diff options
Diffstat (limited to 'drivers/clk')
59 files changed, 5439 insertions, 1288 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 56c1998ced3e..9356ab4b7d76 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -95,16 +95,17 @@ config COMMON_CLK_CDCE706 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. config COMMON_CLK_CDCE925 - tristate "Clock driver for TI CDCE925 devices" + tristate "Clock driver for TI CDCE913/925/937/949 devices" depends on I2C depends on OF select REGMAP_I2C help ---help--- - This driver supports the TI CDCE925 programmable clock synthesizer. - The chip contains two PLLs with spread-spectrum clocking support and - five output dividers. The driver only supports the following setup, - and uses a fixed setting for the output muxes. + This driver supports the TI CDCE913/925/937/949 programmable clock + synthesizer. Each chip has different number of PLLs and outputs. + For example, the CDCE925 contains two PLLs with spread-spectrum + clocking support and five output dividers. The driver only supports + the following setup, and uses a fixed setting for the output muxes. Y1 is derived from the input clock Y2 and Y3 derive from PLL1 Y4 and Y5 derive from PLL2 @@ -198,6 +199,16 @@ config COMMON_CLK_OXNAS ---help--- Support for the OXNAS SoC Family clocks. +config COMMON_CLK_VC5 + tristate "Clock driver for IDT VersaClock5 devices" + depends on I2C + depends on OF + select REGMAP_I2C + help + ---help--- + This driver supports the IDT VersaClock5 programmable clock + generator. + source "drivers/clk/bcm/Kconfig" source "drivers/clk/hisilicon/Kconfig" source "drivers/clk/mediatek/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 925081ec14c0..92c12b86c2e8 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -46,6 +46,7 @@ obj-$(CONFIG_ARCH_TANGO) += clk-tango4.o obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o obj-$(CONFIG_ARCH_U300) += clk-u300.o obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o +obj-$(CONFIG_COMMON_CLK_VC5) += clk-versaclock5.o obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o @@ -87,6 +88,8 @@ obj-y += ti/ obj-$(CONFIG_CLK_UNIPHIER) += uniphier/ obj-$(CONFIG_ARCH_U8500) += ux500/ obj-$(CONFIG_COMMON_CLK_VERSATILE) += versatile/ +ifeq ($(CONFIG_COMMON_CLK), y) obj-$(CONFIG_X86) += x86/ +endif obj-$(CONFIG_ARCH_ZX) += zte/ obj-$(CONFIG_ARCH_ZYNQ) += zynq/ diff --git a/drivers/clk/axs10x/i2s_pll_clock.c b/drivers/clk/axs10x/i2s_pll_clock.c index 411310d29581..02d3bcd6216c 100644 --- a/drivers/clk/axs10x/i2s_pll_clock.c +++ b/drivers/clk/axs10x/i2s_pll_clock.c @@ -182,6 +182,7 @@ static int i2s_pll_clk_probe(struct platform_device *pdev) if (IS_ERR(pll_clk->base)) return PTR_ERR(pll_clk->base); + memset(&init, 0, sizeof(init)); clk_name = node->name; init.name = clk_name; init.ops = &i2s_pll_ops; diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 0d14409097e7..025853870619 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -39,6 +39,7 @@ #include <linux/clk.h> #include <linux/clk/bcm2835.h> #include <linux/debugfs.h> +#include <linux/delay.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -98,7 +99,8 @@ #define CM_SMIDIV 0x0b4 /* no definition for 0x0b8 and 0x0bc */ #define CM_TCNTCTL 0x0c0 -#define CM_TCNTDIV 0x0c4 +# define CM_TCNT_SRC1_SHIFT 12 +#define CM_TCNTCNT 0x0c4 #define CM_TECCTL 0x0c8 #define CM_TECDIV 0x0cc #define CM_TD0CTL 0x0d0 @@ -297,11 +299,32 @@ #define LOCK_TIMEOUT_NS 100000000 #define BCM2835_MAX_FB_RATE 1750000000u +/* + * Names of clocks used within the driver that need to be replaced + * with an external parent's name. This array is in the order that + * the clocks node in the DT references external clocks. + */ +static const char *const cprman_parent_names[] = { + "xosc", + "dsi0_byte", + "dsi0_ddr2", + "dsi0_ddr", + "dsi1_byte", + "dsi1_ddr2", + "dsi1_ddr", +}; + struct bcm2835_cprman { struct device *dev; void __iomem *regs; spinlock_t regs_lock; /* spinlock for all clocks */ - const char *osc_name; + + /* + * Real names of cprman clock parents looked up through + * of_clk_get_parent_name(), which will be used in the + * parent_names[] arrays for clock registration. + */ + const char *real_parent_names[ARRAY_SIZE(cprman_parent_names)]; /* Must be last */ struct clk_hw_onecell_data onecell; @@ -317,6 +340,61 @@ static inline u32 cprman_read(struct bcm2835_cprman *cprman, u32 reg) return readl(cprman->regs + reg); } +/* Does a cycle of measuring a clock through the TCNT clock, which may + * source from many other clocks in the system. + */ +static unsigned long bcm2835_measure_tcnt_mux(struct bcm2835_cprman *cprman, + u32 tcnt_mux) +{ + u32 osccount = 19200; /* 1ms */ + u32 count; + ktime_t timeout; + + spin_lock(&cprman->regs_lock); + + cprman_write(cprman, CM_TCNTCTL, CM_KILL); + + cprman_write(cprman, CM_TCNTCTL, + (tcnt_mux & CM_SRC_MASK) | + (tcnt_mux >> CM_SRC_BITS) << CM_TCNT_SRC1_SHIFT); + + cprman_write(cprman, CM_OSCCOUNT, osccount); + + /* do a kind delay at the start */ + mdelay(1); + + /* Finish off whatever is left of OSCCOUNT */ + timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS); + while (cprman_read(cprman, CM_OSCCOUNT)) { + if (ktime_after(ktime_get(), timeout)) { + dev_err(cprman->dev, "timeout waiting for OSCCOUNT\n"); + count = 0; + goto out; + } + cpu_relax(); + } + + /* Wait for BUSY to clear. */ + timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS); + while (cprman_read(cprman, CM_TCNTCTL) & CM_BUSY) { + if (ktime_after(ktime_get(), timeout)) { + dev_err(cprman->dev, "timeout waiting for !BUSY\n"); + count = 0; + goto out; + } + cpu_relax(); + } + + count = cprman_read(cprman, CM_TCNTCNT); + + cprman_write(cprman, CM_TCNTCTL, 0); + +out: + spin_unlock(&cprman->regs_lock); + + return count * 1000; +} + static int bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base, struct debugfs_reg32 *regs, size_t nregs, struct dentry *dentry) @@ -428,6 +506,7 @@ struct bcm2835_pll_divider_data { u32 load_mask; u32 hold_mask; u32 fixed_divider; + u32 flags; }; struct bcm2835_clock_data { @@ -451,6 +530,8 @@ struct bcm2835_clock_data { bool is_vpu_clock; bool is_mash_clock; + + u32 tcnt_mux; }; struct bcm2835_gate_data { @@ -906,6 +987,9 @@ static long bcm2835_clock_rate_from_divisor(struct bcm2835_clock *clock, const struct bcm2835_clock_data *data = clock->data; u64 temp; + if (data->int_bits == 0 && data->frac_bits == 0) + return parent_rate; + /* * The divisor is a 12.12 fixed point field, but only some of * the bits are populated in any given clock. @@ -929,7 +1013,12 @@ static unsigned long bcm2835_clock_get_rate(struct clk_hw *hw, struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); struct bcm2835_cprman *cprman = clock->cprman; const struct bcm2835_clock_data *data = clock->data; - u32 div = cprman_read(cprman, data->div_reg); + u32 div; + + if (data->int_bits == 0 && data->frac_bits == 0) + return parent_rate; + + div = cprman_read(cprman, data->div_reg); return bcm2835_clock_rate_from_divisor(clock, parent_rate, div); } @@ -978,6 +1067,17 @@ static int bcm2835_clock_on(struct clk_hw *hw) CM_GATE); spin_unlock(&cprman->regs_lock); + /* Debug code to measure the clock once it's turned on to see + * if it's ticking at the rate we expect. + */ + if (data->tcnt_mux && false) { + dev_info(cprman->dev, + "clk %s: rate %ld, measure %ld\n", + data->name, + clk_hw_get_rate(hw), + bcm2835_measure_tcnt_mux(cprman, data->tcnt_mux)); + } + return 0; } @@ -1208,7 +1308,7 @@ static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, memset(&init, 0, sizeof(init)); /* All of the PLLs derive from the external oscillator. */ - init.parent_names = &cprman->osc_name; + init.parent_names = &cprman->real_parent_names[0]; init.num_parents = 1; init.name = data->name; init.ops = &bcm2835_pll_clk_ops; @@ -1252,7 +1352,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, init.num_parents = 1; init.name = divider_name; init.ops = &bcm2835_pll_divider_clk_ops; - init.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED; + init.flags = data->flags | CLK_IGNORE_UNUSED; divider = devm_kzalloc(cprman->dev, sizeof(*divider), GFP_KERNEL); if (!divider) @@ -1294,18 +1394,22 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, struct bcm2835_clock *clock; struct clk_init_data init; const char *parents[1 << CM_SRC_BITS]; - size_t i; + size_t i, j; int ret; /* - * Replace our "xosc" references with the oscillator's - * actual name. + * Replace our strings referencing parent clocks with the + * actual clock-output-name of the parent. */ for (i = 0; i < data->num_mux_parents; i++) { - if (strcmp(data->parents[i], "xosc") == 0) - parents[i] = cprman->osc_name; - else - parents[i] = data->parents[i]; + parents[i] = data->parents[i]; + + for (j = 0; j < ARRAY_SIZE(cprman_parent_names); j++) { + if (strcmp(parents[i], cprman_parent_names[j]) == 0) { + parents[i] = cprman->real_parent_names[j]; + break; + } + } } memset(&init, 0, sizeof(init)); @@ -1432,6 +1536,47 @@ static const char *const bcm2835_clock_vpu_parents[] = { __VA_ARGS__) /* + * DSI parent clocks. The DSI byte/DDR/DDR2 clocks come from the DSI + * analog PHY. The _inv variants are generated internally to cprman, + * but we don't use them so they aren't hooked up. + */ +static const char *const bcm2835_clock_dsi0_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "dsi0_ddr", + "dsi0_ddr_inv", + "dsi0_ddr2", + "dsi0_ddr2_inv", + "dsi0_byte", + "dsi0_byte_inv", +}; + +static const char *const bcm2835_clock_dsi1_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "dsi1_ddr", + "dsi1_ddr_inv", + "dsi1_ddr2", + "dsi1_ddr2_inv", + "dsi1_byte", + "dsi1_byte_inv", +}; + +#define REGISTER_DSI0_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_dsi0_parents), \ + .parents = bcm2835_clock_dsi0_parents, \ + __VA_ARGS__) + +#define REGISTER_DSI1_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_dsi1_parents), \ + .parents = bcm2835_clock_dsi1_parents, \ + __VA_ARGS__) + +/* * the real definition of all the pll, pll_dividers and clocks * these make use of the above REGISTER_* macros */ @@ -1466,7 +1611,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLA_CORE, .load_mask = CM_PLLA_LOADCORE, .hold_mask = CM_PLLA_HOLDCORE, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLA_PER] = REGISTER_PLL_DIV( .name = "plla_per", .source_pll = "plla", @@ -1474,7 +1620,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLA_PER, .load_mask = CM_PLLA_LOADPER, .hold_mask = CM_PLLA_HOLDPER, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLA_DSI0] = REGISTER_PLL_DIV( .name = "plla_dsi0", .source_pll = "plla", @@ -1490,7 +1637,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLA_CCP2, .load_mask = CM_PLLA_LOADCCP2, .hold_mask = CM_PLLA_HOLDCCP2, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), /* PLLB is used for the ARM's clock. */ [BCM2835_PLLB] = REGISTER_PLL( @@ -1514,7 +1662,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLB_ARM, .load_mask = CM_PLLB_LOADARM, .hold_mask = CM_PLLB_HOLDARM, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), /* * PLLC is the core PLL, used to drive the core VPU clock. @@ -1543,7 +1692,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLC_CORE0, .load_mask = CM_PLLC_LOADCORE0, .hold_mask = CM_PLLC_HOLDCORE0, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLC_CORE1] = REGISTER_PLL_DIV( .name = "pllc_core1", .source_pll = "pllc", @@ -1551,7 +1701,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLC_CORE1, .load_mask = CM_PLLC_LOADCORE1, .hold_mask = CM_PLLC_HOLDCORE1, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLC_CORE2] = REGISTER_PLL_DIV( .name = "pllc_core2", .source_pll = "pllc", @@ -1559,7 +1710,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLC_CORE2, .load_mask = CM_PLLC_LOADCORE2, .hold_mask = CM_PLLC_HOLDCORE2, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLC_PER] = REGISTER_PLL_DIV( .name = "pllc_per", .source_pll = "pllc", @@ -1567,7 +1719,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLC_PER, .load_mask = CM_PLLC_LOADPER, .hold_mask = CM_PLLC_HOLDPER, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), /* * PLLD is the display PLL, used to drive DSI display panels. @@ -1596,7 +1749,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLD_CORE, .load_mask = CM_PLLD_LOADCORE, .hold_mask = CM_PLLD_HOLDCORE, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLD_PER] = REGISTER_PLL_DIV( .name = "plld_per", .source_pll = "plld", @@ -1604,7 +1758,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLD_PER, .load_mask = CM_PLLD_LOADPER, .hold_mask = CM_PLLD_HOLDPER, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLD_DSI0] = REGISTER_PLL_DIV( .name = "plld_dsi0", .source_pll = "plld", @@ -1649,7 +1804,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLH_RCAL, .load_mask = CM_PLLH_LOADRCAL, .hold_mask = 0, - .fixed_divider = 10), + .fixed_divider = 10, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLH_AUX] = REGISTER_PLL_DIV( .name = "pllh_aux", .source_pll = "pllh", @@ -1657,7 +1813,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLH_AUX, .load_mask = CM_PLLH_LOADAUX, .hold_mask = 0, - .fixed_divider = 1), + .fixed_divider = 1, + .flags = CLK_SET_RATE_PARENT), [BCM2835_PLLH_PIX] = REGISTER_PLL_DIV( .name = "pllh_pix", .source_pll = "pllh", @@ -1665,7 +1822,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .a2w_reg = A2W_PLLH_PIX, .load_mask = CM_PLLH_LOADPIX, .hold_mask = 0, - .fixed_divider = 10), + .fixed_divider = 10, + .flags = CLK_SET_RATE_PARENT), /* the clocks */ @@ -1677,7 +1835,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_OTPCTL, .div_reg = CM_OTPDIV, .int_bits = 4, - .frac_bits = 0), + .frac_bits = 0, + .tcnt_mux = 6), /* * Used for a 1Mhz clock for the system clocksource, and also used * bythe watchdog timer and the camera pulse generator. @@ -1711,13 +1870,15 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_H264CTL, .div_reg = CM_H264DIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 1), [BCM2835_CLOCK_ISP] = REGISTER_VPU_CLK( .name = "isp", .ctl_reg = CM_ISPCTL, .div_reg = CM_ISPDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 2), /* * Secondary SDRAM clock. Used for low-voltage modes when the PLL @@ -1728,13 +1889,15 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_SDCCTL, .div_reg = CM_SDCDIV, .int_bits = 6, - .frac_bits = 0), + .frac_bits = 0, + .tcnt_mux = 3), [BCM2835_CLOCK_V3D] = REGISTER_VPU_CLK( .name = "v3d", .ctl_reg = CM_V3DCTL, .div_reg = CM_V3DDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 4), /* * VPU clock. This doesn't have an enable bit, since it drives * the bus for everything else, and is special so it doesn't need @@ -1748,7 +1911,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .int_bits = 12, .frac_bits = 8, .flags = CLK_IS_CRITICAL, - .is_vpu_clock = true), + .is_vpu_clock = true, + .tcnt_mux = 5), /* clocks with per parent mux */ [BCM2835_CLOCK_AVEO] = REGISTER_PER_CLK( @@ -1756,19 +1920,22 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_AVEOCTL, .div_reg = CM_AVEODIV, .int_bits = 4, - .frac_bits = 0), + .frac_bits = 0, + .tcnt_mux = 38), [BCM2835_CLOCK_CAM0] = REGISTER_PER_CLK( .name = "cam0", .ctl_reg = CM_CAM0CTL, .div_reg = CM_CAM0DIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 14), [BCM2835_CLOCK_CAM1] = REGISTER_PER_CLK( .name = "cam1", .ctl_reg = CM_CAM1CTL, .div_reg = CM_CAM1DIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 15), [BCM2835_CLOCK_DFT] = REGISTER_PER_CLK( .name = "dft", .ctl_reg = CM_DFTCTL, @@ -1780,7 +1947,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_DPICTL, .div_reg = CM_DPIDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 17), /* Arasan EMMC clock */ [BCM2835_CLOCK_EMMC] = REGISTER_PER_CLK( @@ -1788,7 +1956,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_EMMCCTL, .div_reg = CM_EMMCDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 39), /* General purpose (GPIO) clocks */ [BCM2835_CLOCK_GP0] = REGISTER_PER_CLK( @@ -1797,7 +1966,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .div_reg = CM_GP0DIV, .int_bits = 12, .frac_bits = 12, - .is_mash_clock = true), + .is_mash_clock = true, + .tcnt_mux = 20), [BCM2835_CLOCK_GP1] = REGISTER_PER_CLK( .name = "gp1", .ctl_reg = CM_GP1CTL, @@ -1805,7 +1975,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .int_bits = 12, .frac_bits = 12, .flags = CLK_IS_CRITICAL, - .is_mash_clock = true), + .is_mash_clock = true, + .tcnt_mux = 21), [BCM2835_CLOCK_GP2] = REGISTER_PER_CLK( .name = "gp2", .ctl_reg = CM_GP2CTL, @@ -1820,40 +1991,46 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_HSMCTL, .div_reg = CM_HSMDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 22), [BCM2835_CLOCK_PCM] = REGISTER_PER_CLK( .name = "pcm", .ctl_reg = CM_PCMCTL, .div_reg = CM_PCMDIV, .int_bits = 12, .frac_bits = 12, - .is_mash_clock = true), + .is_mash_clock = true, + .tcnt_mux = 23), [BCM2835_CLOCK_PWM] = REGISTER_PER_CLK( .name = "pwm", .ctl_reg = CM_PWMCTL, .div_reg = CM_PWMDIV, .int_bits = 12, .frac_bits = 12, - .is_mash_clock = true), + .is_mash_clock = true, + .tcnt_mux = 24), [BCM2835_CLOCK_SLIM] = REGISTER_PER_CLK( .name = "slim", .ctl_reg = CM_SLIMCTL, .div_reg = CM_SLIMDIV, .int_bits = 12, .frac_bits = 12, - .is_mash_clock = true), + .is_mash_clock = true, + .tcnt_mux = 25), [BCM2835_CLOCK_SMI] = REGISTER_PER_CLK( .name = "smi", .ctl_reg = CM_SMICTL, .div_reg = CM_SMIDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 27), [BCM2835_CLOCK_UART] = REGISTER_PER_CLK( .name = "uart", .ctl_reg = CM_UARTCTL, .div_reg = CM_UARTDIV, .int_bits = 10, - .frac_bits = 12), + .frac_bits = 12, + .tcnt_mux = 28), /* TV encoder clock. Only operating frequency is 108Mhz. */ [BCM2835_CLOCK_VEC] = REGISTER_PER_CLK( @@ -1866,7 +2043,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { * Allow rate change propagation only on PLLH_AUX which is * assigned index 7 in the parent array. */ - .set_rate_parent = BIT(7)), + .set_rate_parent = BIT(7), + .tcnt_mux = 29), /* dsi clocks */ [BCM2835_CLOCK_DSI0E] = REGISTER_PER_CLK( @@ -1874,13 +2052,29 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .ctl_reg = CM_DSI0ECTL, .div_reg = CM_DSI0EDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 18), [BCM2835_CLOCK_DSI1E] = REGISTER_PER_CLK( .name = "dsi1e", .ctl_reg = CM_DSI1ECTL, .div_reg = CM_DSI1EDIV, .int_bits = 4, - .frac_bits = 8), + .frac_bits = 8, + .tcnt_mux = 19), + [BCM2835_CLOCK_DSI0P] = REGISTER_DSI0_CLK( + .name = "dsi0p", + .ctl_reg = CM_DSI0PCTL, + .div_reg = CM_DSI0PDIV, + .int_bits = 0, + .frac_bits = 0, + .tcnt_mux = 12), + [BCM2835_CLOCK_DSI1P] = REGISTER_DSI1_CLK( + .name = "dsi1p", + .ctl_reg = CM_DSI1PCTL, + .div_reg = CM_DSI1PDIV, + .int_bits = 0, + .frac_bits = 0, + .tcnt_mux = 13), /* the gates */ @@ -1939,8 +2133,19 @@ static int bcm2835_clk_probe(struct platform_device *pdev) if (IS_ERR(cprman->regs)) return PTR_ERR(cprman->regs); - cprman->osc_name = of_clk_get_parent_name(dev->of_node, 0); - if (!cprman->osc_name) + memcpy(cprman->real_parent_names, cprman_parent_names, + sizeof(cprman_parent_names)); + of_clk_parent_fill(dev->of_node, cprman->real_parent_names, + ARRAY_SIZE(cprman_parent_names)); + + /* + * Make sure the external oscillator has been registered. + * + * The other (DSI) clocks are not present on older device + * trees, which we still need to support for backwards + * compatibility. + */ + if (!cprman->real_parent_names[0]) return -ENODEV; platform_set_drvdata(pdev, cprman); diff --git a/drivers/clk/clk-cdce925.c b/drivers/clk/clk-cdce925.c index f793b2d9238c..c933be01c7db 100644 --- a/drivers/clk/clk-cdce925.c +++ b/drivers/clk/clk-cdce925.c @@ -1,8 +1,8 @@ /* - * Driver for TI Dual PLL CDCE925 clock synthesizer + * Driver for TI Multi PLL CDCE913/925/937/949 clock synthesizer * - * This driver always connects the Y1 to the input clock, Y2/Y3 to PLL1 - * and Y4/Y5 to PLL2. PLL frequency is set on a first-come-first-serve + * This driver always connects the Y1 to the input clock, Y2/Y3 to PLL1, + * Y4/Y5 to PLL2, and so on. PLL frequency is set on a first-come-first-serve * basis. Clients can directly request any frequency that the chip can * deliver using the standard clk framework. In addition, the device can * be configured and activated via the devicetree. @@ -19,11 +19,32 @@ #include <linux/slab.h> #include <linux/gcd.h> -/* The chip has 2 PLLs which can be routed through dividers to 5 outputs. +/* Each chip has different number of PLLs and outputs, for example: + * The CECE925 has 2 PLLs which can be routed through dividers to 5 outputs. * Model this as 2 PLL clocks which are parents to the outputs. */ -#define NUMBER_OF_PLLS 2 -#define NUMBER_OF_OUTPUTS 5 + +enum { + CDCE913, + CDCE925, + CDCE937, + CDCE949, +}; + +struct clk_cdce925_chip_info { + int num_plls; + int num_outputs; +}; + +static const struct clk_cdce925_chip_info clk_cdce925_chip_info_tbl[] = { + [CDCE913] = { .num_plls = 1, .num_outputs = 3 }, + [CDCE925] = { .num_plls = 2, .num_outputs = 5 }, + [CDCE937] = { .num_plls = 3, .num_outputs = 7 }, + [CDCE949] = { .num_plls = 4, .num_outputs = 9 }, +}; + +#define MAX_NUMBER_OF_PLLS 4 +#define MAX_NUMBER_OF_OUTPUTS 9 #define CDCE925_REG_GLOBAL1 0x01 #define CDCE925_REG_Y1SPIPDIVH 0x02 @@ -43,7 +64,7 @@ struct clk_cdce925_output { struct clk_hw hw; struct clk_cdce925_chip *chip; u8 index; - u16 pdiv; /* 1..127 for Y2-Y5; 1..1023 for Y1 */ + u16 pdiv; /* 1..127 for Y2-Y9; 1..1023 for Y1 */ }; #define to_clk_cdce925_output(_hw) \ container_of(_hw, struct clk_cdce925_output, hw) @@ -60,8 +81,9 @@ struct clk_cdce925_pll { struct clk_cdce925_chip { struct regmap *regmap; struct i2c_client *i2c_client; - struct clk_cdce925_pll pll[NUMBER_OF_PLLS]; - struct clk_cdce925_output clk[NUMBER_OF_OUTPUTS]; + const struct clk_cdce925_chip_info *chip_info; + struct clk_cdce925_pll pll[MAX_NUMBER_OF_PLLS]; + struct clk_cdce925_output clk[MAX_NUMBER_OF_OUTPUTS]; }; /* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */ @@ -284,6 +306,18 @@ static void cdce925_clk_set_pdiv(struct clk_cdce925_output *data, u16 pdiv) case 4: regmap_update_bits(data->chip->regmap, 0x27, 0x7F, pdiv); break; + case 5: + regmap_update_bits(data->chip->regmap, 0x36, 0x7F, pdiv); + break; + case 6: + regmap_update_bits(data->chip->regmap, 0x37, 0x7F, pdiv); + break; + case 7: + regmap_update_bits(data->chip->regmap, 0x46, 0x7F, pdiv); + break; + case 8: + regmap_update_bits(data->chip->regmap, 0x47, 0x7F, pdiv); + break; } } @@ -302,6 +336,14 @@ static void cdce925_clk_activate(struct clk_cdce925_output *data) case 4: regmap_update_bits(data->chip->regmap, 0x24, 0x03, 0x03); break; + case 5: + case 6: + regmap_update_bits(data->chip->regmap, 0x34, 0x03, 0x03); + break; + case 7: + case 8: + regmap_update_bits(data->chip->regmap, 0x44, 0x03, 0x03); + break; } } @@ -474,15 +516,6 @@ static const struct clk_ops cdce925_clk_y1_ops = { .set_rate = cdce925_clk_y1_set_rate, }; - -static struct regmap_config cdce925_regmap_config = { - .name = "configuration0", - .reg_bits = 8, - .val_bits = 8, - .cache_type = REGCACHE_RBTREE, - .max_register = 0x2F, -}; - #define CDCE925_I2C_COMMAND_BLOCK_TRANSFER 0x00 #define CDCE925_I2C_COMMAND_BYTE_TRANSFER 0x80 @@ -582,13 +615,19 @@ static int cdce925_probe(struct i2c_client *client, struct clk_cdce925_chip *data; struct device_node *node = client->dev.of_node; const char *parent_name; - const char *pll_clk_name[NUMBER_OF_PLLS] = {NULL,}; + const char *pll_clk_name[MAX_NUMBER_OF_PLLS] = {NULL,}; struct clk_init_data init; u32 value; int i; int err; struct device_node *np_output; char child_name[6]; + struct regmap_config config = { + .name = "configuration0", + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + }; dev_dbg(&client->dev, "%s\n", __func__); data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); @@ -596,8 +635,11 @@ static int cdce925_probe(struct i2c_client *client, return -ENOMEM; data->i2c_client = client; + data->chip_info = &clk_cdce925_chip_info_tbl[id->driver_data]; + config.max_register = CDCE925_OFFSET_PLL + + data->chip_info->num_plls * 0x10 - 1; data->regmap = devm_regmap_init(&client->dev, ®map_cdce925_bus, - &client->dev, &cdce925_regmap_config); + &client->dev, &config); if (IS_ERR(data->regmap)) { dev_err(&client->dev, "failed to allocate register map\n"); return PTR_ERR(data->regmap); @@ -626,7 +668,7 @@ static int cdce925_probe(struct i2c_client *client, init.num_parents = parent_name ? 1 : 0; /* Register PLL clocks */ - for (i = 0; i < NUMBER_OF_PLLS; ++i) { + for (i = 0; i < data->chip_info->num_plls; ++i) { pll_clk_name[i] = kasprintf(GFP_KERNEL, "%s.pll%d", client->dev.of_node->name, i); init.name = pll_clk_name[i]; @@ -684,7 +726,7 @@ static int cdce925_probe(struct i2c_client *client, init.ops = &cdce925_clk_ops; init.flags = CLK_SET_RATE_PARENT; init.num_parents = 1; - for (i = 1; i < NUMBER_OF_OUTPUTS; ++i) { + for (i = 1; i < data->chip_info->num_outputs; ++i) { init.name = kasprintf(GFP_KERNEL, "%s.Y%d", client->dev.of_node->name, i+1); data->clk[i].chip = data; @@ -702,6 +744,16 @@ static int cdce925_probe(struct i2c_client *client, /* Mux Y4/5 to PLL2 */ init.parent_names = &pll_clk_name[1]; break; + case 5: + case 6: + /* Mux Y6/7 to PLL3 */ + init.parent_names = &pll_clk_name[2]; + break; + case 7: + case 8: + /* Mux Y8/9 to PLL4 */ + init.parent_names = &pll_clk_name[3]; + break; } err = devm_clk_hw_register(&client->dev, &data->clk[i].hw); kfree(init.name); /* clock framework made a copy of the name */ @@ -720,7 +772,7 @@ static int cdce925_probe(struct i2c_client *client, err = 0; error: - for (i = 0; i < NUMBER_OF_PLLS; ++i) + for (i = 0; i < data->chip_info->num_plls; ++i) /* clock framework made a copy of the name */ kfree(pll_clk_name[i]); @@ -728,13 +780,19 @@ error: } static const struct i2c_device_id cdce925_id[] = { - { "cdce925", 0 }, + { "cdce913", CDCE913 }, + { "cdce925", CDCE925 }, + { "cdce937", CDCE937 }, + { "cdce949", CDCE949 }, { } }; MODULE_DEVICE_TABLE(i2c, cdce925_id); static const struct of_device_id clk_cdce925_of_match[] = { + { .compatible = "ti,cdce913" }, { .compatible = "ti,cdce925" }, + { .compatible = "ti,cdce937" }, + { .compatible = "ti,cdce949" }, { }, }; MODULE_DEVICE_TABLE(of, clk_cdce925_of_match); @@ -750,5 +808,5 @@ static struct i2c_driver cdce925_driver = { module_i2c_driver(cdce925_driver); MODULE_AUTHOR("Mike Looijmans <mike.looijmans@topic.nl>"); -MODULE_DESCRIPTION("cdce925 driver"); +MODULE_DESCRIPTION("TI CDCE913/925/937/949 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c index 674785d968a3..e0e02a6e5900 100644 --- a/drivers/clk/clk-conf.c +++ b/drivers/clk/clk-conf.c @@ -40,8 +40,9 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier) return 0; pclk = of_clk_get_from_provider(&clkspec); if (IS_ERR(pclk)) { - pr_warn("clk: couldn't get parent clock %d for %s\n", - index, node->full_name); + if (PTR_ERR(pclk) != -EPROBE_DEFER) + pr_warn("clk: couldn't get parent clock %d for %s\n", + index, node->full_name); return PTR_ERR(pclk); } @@ -55,8 +56,9 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier) } clk = of_clk_get_from_provider(&clkspec); if (IS_ERR(clk)) { - pr_warn("clk: couldn't get assigned clock %d for %s\n", - index, node->full_name); + if (PTR_ERR(clk) != -EPROBE_DEFER) + pr_warn("clk: couldn't get assigned clock %d for %s\n", + index, node->full_name); rc = PTR_ERR(clk); goto err; } @@ -99,8 +101,9 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier) clk = of_clk_get_from_provider(&clkspec); if (IS_ERR(clk)) { - pr_warn("clk: couldn't get clock %d for %s\n", - index, node->full_name); + if (PTR_ERR(clk) != -EPROBE_DEFER) + pr_warn("clk: couldn't get clock %d for %s\n", + index, node->full_name); return PTR_ERR(clk); } diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c index 021f3daf34e1..3fca0526d940 100644 --- a/drivers/clk/clk-cs2000-cp.c +++ b/drivers/clk/clk-cs2000-cp.c @@ -59,6 +59,10 @@ struct cs2000_priv { struct i2c_client *client; struct clk *clk_in; struct clk *ref_clk; + + /* suspend/resume */ + unsigned long saved_rate; + unsigned long saved_parent_rate; }; static const struct of_device_id cs2000_of_match[] = { @@ -286,6 +290,9 @@ static int __cs2000_set_rate(struct cs2000_priv *priv, int ch, if (ret < 0) return ret; + priv->saved_rate = rate; + priv->saved_parent_rate = parent_rate; + return 0; } @@ -489,9 +496,24 @@ probe_err: return ret; } +static int cs2000_resume(struct device *dev) +{ + struct cs2000_priv *priv = dev_get_drvdata(dev); + int ch = 0; /* it uses ch0 only at this point */ + + return __cs2000_set_rate(priv, ch, + priv->saved_rate, + priv->saved_parent_rate); +} + +static const struct dev_pm_ops cs2000_pm_ops = { + .resume_early = cs2000_resume, +}; + static struct i2c_driver cs2000_driver = { .driver = { .name = "cs2000-cp", + .pm = &cs2000_pm_ops, .of_match_table = cs2000_of_match, }, .probe = cs2000_probe, diff --git a/drivers/clk/clk-scpi.c b/drivers/clk/clk-scpi.c index 2a3e9d8e88b0..96d37175d0ad 100644 --- a/drivers/clk/clk-scpi.c +++ b/drivers/clk/clk-scpi.c @@ -290,13 +290,15 @@ static int scpi_clocks_probe(struct platform_device *pdev) of_node_put(child); return ret; } - } - /* Add the virtual cpufreq device */ - cpufreq_dev = platform_device_register_simple("scpi-cpufreq", - -1, NULL, 0); - if (IS_ERR(cpufreq_dev)) - pr_warn("unable to register cpufreq device"); + if (match->data != &scpi_dvfs_ops) + continue; + /* Add the virtual cpufreq device if it's DVFS clock provider */ + cpufreq_dev = platform_device_register_simple("scpi-cpufreq", + -1, NULL, 0); + if (IS_ERR(cpufreq_dev)) + pr_warn("unable to register cpufreq device"); + } return 0; } diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index 5eb05dbf59b8..ab609a76706f 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -28,6 +28,14 @@ #include <linux/regmap.h> #include <linux/mfd/syscon.h> +/* + * Include list of clocks wich are not derived from system clock (SYSCLOCK) + * The index of these clocks is the secondary index of DT bindings + * + */ +#include <dt-bindings/clock/stm32fx-clock.h> + +#define STM32F4_RCC_CR 0x00 #define STM32F4_RCC_PLLCFGR 0x04 #define STM32F4_RCC_CFGR 0x08 #define STM32F4_RCC_AHB1ENR 0x30 @@ -37,6 +45,15 @@ #define STM32F4_RCC_APB2ENR 0x44 #define STM32F4_RCC_BDCR 0x70 #define STM32F4_RCC_CSR 0x74 +#define STM32F4_RCC_PLLI2SCFGR 0x84 +#define STM32F4_RCC_PLLSAICFGR 0x88 +#define STM32F4_RCC_DCKCFGR 0x8c +#define STM32F7_RCC_DCKCFGR2 0x90 + +#define NONE -1 +#define NO_IDX NONE +#define NO_MUX NONE +#define NO_GATE NONE struct stm32f4_gate_data { u8 offset; @@ -195,7 +212,7 @@ static const struct stm32f4_gate_data stm32f469_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 8, "adc1", "apb2_div" }, { STM32F4_RCC_APB2ENR, 9, "adc2", "apb2_div" }, { STM32F4_RCC_APB2ENR, 10, "adc3", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 11, "sdio", "pll48" }, + { STM32F4_RCC_APB2ENR, 11, "sdio", "sdmux" }, { STM32F4_RCC_APB2ENR, 12, "spi1", "apb2_div" }, { STM32F4_RCC_APB2ENR, 13, "spi4", "apb2_div" }, { STM32F4_RCC_APB2ENR, 14, "syscfg", "apb2_div" }, @@ -208,7 +225,79 @@ static const struct stm32f4_gate_data stm32f469_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, }; -enum { SYSTICK, FCLK, CLK_LSI, CLK_LSE, CLK_HSE_RTC, CLK_RTC, END_PRIMARY_CLK }; +static const struct stm32f4_gate_data stm32f746_gates[] __initconst = { + { STM32F4_RCC_AHB1ENR, 0, "gpioa", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 1, "gpiob", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 2, "gpioc", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 3, "gpiod", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 4, "gpioe", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 5, "gpiof", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 6, "gpiog", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 7, "gpioh", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 8, "gpioi", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 9, "gpioj", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 10, "gpiok", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 12, "crc", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 18, "bkpsra", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 20, "dtcmram", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 21, "dma1", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 22, "dma2", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 23, "dma2d", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 25, "ethmac", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 26, "ethmactx", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 27, "ethmacrx", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 28, "ethmacptp", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 29, "otghs", "ahb_div" }, + { STM32F4_RCC_AHB1ENR, 30, "otghsulpi", "ahb_div" }, + + { STM32F4_RCC_AHB2ENR, 0, "dcmi", "ahb_div" }, + { STM32F4_RCC_AHB2ENR, 4, "cryp", "ahb_div" }, + { STM32F4_RCC_AHB2ENR, 5, "hash", "ahb_div" }, + { STM32F4_RCC_AHB2ENR, 6, "rng", "pll48" }, + { STM32F4_RCC_AHB2ENR, 7, "otgfs", "pll48" }, + + { STM32F4_RCC_AHB3ENR, 0, "fmc", "ahb_div", + CLK_IGNORE_UNUSED }, + { STM32F4_RCC_AHB3ENR, 1, "qspi", "ahb_div", + CLK_IGNORE_UNUSED }, + + { STM32F4_RCC_APB1ENR, 0, "tim2", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 1, "tim3", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 2, "tim4", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 3, "tim5", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 4, "tim6", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 5, "tim7", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 6, "tim12", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 7, "tim13", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 8, "tim14", "apb1_mul" }, + { STM32F4_RCC_APB1ENR, 11, "wwdg", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 14, "spi2", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 15, "spi3", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 16, "spdifrx", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 25, "can1", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 26, "can2", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 27, "cec", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 28, "pwr", "apb1_div" }, + { STM32F4_RCC_APB1ENR, 29, "dac", "apb1_div" }, + + { STM32F4_RCC_APB2ENR, 0, "tim1", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 1, "tim8", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 8, "adc1", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 9, "adc2", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 10, "adc3", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 11, "sdmmc", "sdmux" }, + { STM32F4_RCC_APB2ENR, 12, "spi1", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 13, "spi4", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 14, "syscfg", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 16, "tim9", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 17, "tim10", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 18, "tim11", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 23, "sai2", "apb2_div" }, + { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, +}; /* * This bitmask tells us which bit offsets (0..192) on STM32F4[23]xxx @@ -224,6 +313,10 @@ static const u64 stm32f46xx_gate_map[MAX_GATE_MAP] = { 0x000000f17ef417ffull, 0x0000000000000003ull, 0x0c777f33f6fec9ffull }; +static const u64 stm32f746_gate_map[MAX_GATE_MAP] = { 0x000000f17ef417ffull, + 0x0000000000000003ull, + 0x04f77f033e01c9ffull }; + static const u64 *stm32f4_gate_map; static struct clk_hw **clks; @@ -233,6 +326,8 @@ static void __iomem *base; static struct regmap *pdrm; +static int stm32fx_end_primary_clk; + /* * "Multiplier" device for APBx clocks. * @@ -324,23 +419,342 @@ static struct clk *clk_register_apb_mul(struct device *dev, const char *name, return clk; } -/* - * Decode current PLL state and (statically) model the state we inherit from - * the bootloader. - */ -static void stm32f4_rcc_register_pll(const char *hse_clk, const char *hsi_clk) +enum { + PLL, + PLL_I2S, + PLL_SAI, +}; + +static const struct clk_div_table pll_divp_table[] = { + { 0, 2 }, { 1, 4 }, { 2, 6 }, { 3, 8 }, { 0 } +}; + +static const struct clk_div_table pll_divr_table[] = { + { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 7, 7 }, { 0 } +}; + +struct stm32f4_pll { + spinlock_t *lock; + struct clk_gate gate; + u8 offset; + u8 bit_rdy_idx; + u8 status; + u8 n_start; +}; + +#define to_stm32f4_pll(_gate) container_of(_gate, struct stm32f4_pll, gate) + +struct stm32f4_pll_post_div_data { + int idx; + u8 pll_num; + const char *name; + const char *parent; + u8 flag; + u8 offset; + u8 shift; + u8 width; + u8 flag_div; + const struct clk_div_table *div_table; +}; + +struct stm32f4_vco_data { + const char *vco_name; + u8 offset; + u8 bit_idx; + u8 bit_rdy_idx; +}; + +static const struct stm32f4_vco_data vco_data[] = { + { "vco", STM32F4_RCC_PLLCFGR, 24, 25 }, + { "vco-i2s", STM32F4_RCC_PLLI2SCFGR, 26, 27 }, + { "vco-sai", STM32F4_RCC_PLLSAICFGR, 28, 29 }, +}; + + +static const struct clk_div_table post_divr_table[] = { + { 0, 2 }, { 1, 4 }, { 2, 8 }, { 3, 16 }, { 0 } +}; + +#define MAX_POST_DIV 3 +static const struct stm32f4_pll_post_div_data post_div_data[MAX_POST_DIV] = { + { CLK_I2SQ_PDIV, PLL_I2S, "plli2s-q-div", "plli2s-q", + CLK_SET_RATE_PARENT, STM32F4_RCC_DCKCFGR, 0, 5, 0, NULL}, + + { CLK_SAIQ_PDIV, PLL_SAI, "pllsai-q-div", "pllsai-q", + CLK_SET_RATE_PARENT, STM32F4_RCC_DCKCFGR, 8, 5, 0, NULL }, + + { NO_IDX, PLL_SAI, "pllsai-r-div", "pllsai-r", CLK_SET_RATE_PARENT, + STM32F4_RCC_DCKCFGR, 16, 2, 0, post_divr_table }, +}; + +struct stm32f4_div_data { + u8 shift; + u8 width; + u8 flag_div; + const struct clk_div_table *div_table; +}; + +#define MAX_PLL_DIV 3 +static const struct stm32f4_div_data div_data[MAX_PLL_DIV] = { + { 16, 2, 0, pll_divp_table }, + { 24, 4, CLK_DIVIDER_ONE_BASED, NULL }, + { 28, 3, 0, pll_divr_table }, +}; + +struct stm32f4_pll_data { + u8 pll_num; + u8 n_start; + const char *div_name[MAX_PLL_DIV]; +}; + +static const struct stm32f4_pll_data stm32f429_pll[MAX_PLL_DIV] = { + { PLL, 192, { "pll", "pll48", NULL } }, + { PLL_I2S, 192, { NULL, "plli2s-q", "plli2s-r" } }, + { PLL_SAI, 49, { NULL, "pllsai-q", "pllsai-r" } }, +}; + +static const struct stm32f4_pll_data stm32f469_pll[MAX_PLL_DIV] = { + { PLL, 50, { "pll", "pll-q", NULL } }, + { PLL_I2S, 50, { "plli2s-p", "plli2s-q", "plli2s-r" } }, + { PLL_SAI, 50, { "pllsai-p", "pllsai-q", "pllsai-r" } }, +}; + +static int stm32f4_pll_is_enabled(struct clk_hw *hw) +{ + return clk_gate_ops.is_enabled(hw); +} + +static int stm32f4_pll_enable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32f4_pll *pll = to_stm32f4_pll(gate); + int ret = 0; + unsigned long reg; + + ret = clk_gate_ops.enable(hw); + + ret = readl_relaxed_poll_timeout_atomic(base + STM32F4_RCC_CR, reg, + reg & (1 << pll->bit_rdy_idx), 0, 10000); + + return ret; +} + +static void stm32f4_pll_disable(struct clk_hw *hw) +{ + clk_gate_ops.disable(hw); +} + +static unsigned long stm32f4_pll_recalc(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32f4_pll *pll = to_stm32f4_pll(gate); + unsigned long n; + + n = (readl(base + pll->offset) >> 6) & 0x1ff; + + return parent_rate * n; +} + +static long stm32f4_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32f4_pll *pll = to_stm32f4_pll(gate); + unsigned long n; + + n = rate / *prate; + + if (n < pll->n_start) + n = pll->n_start; + else if (n > 432) + n = 432; + + return *prate * n; +} + +static int stm32f4_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32f4_pll *pll = to_stm32f4_pll(gate); + + unsigned long n; + unsigned long val; + int pll_state; + + pll_state = stm32f4_pll_is_enabled(hw); + + if (pll_state) + stm32f4_pll_disable(hw); + + n = rate / parent_rate; + + val = readl(base + pll->offset) & ~(0x1ff << 6); + + writel(val | ((n & 0x1ff) << 6), base + pll->offset); + + if (pll_state) + stm32f4_pll_enable(hw); + + return 0; +} + +static const struct clk_ops stm32f4_pll_gate_ops = { + .enable = stm32f4_pll_enable, + .disable = stm32f4_pll_disable, + .is_enabled = stm32f4_pll_is_enabled, + .recalc_rate = stm32f4_pll_recalc, + .round_rate = stm32f4_pll_round_rate, + .set_rate = stm32f4_pll_set_rate, +}; + +struct stm32f4_pll_div { + struct clk_divider div; + struct clk_hw *hw_pll; +}; + +#define to_pll_div_clk(_div) container_of(_div, struct stm32f4_pll_div, div) + +static unsigned long stm32f4_pll_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return clk_divider_ops.recalc_rate(hw, parent_rate); +} + +static long stm32f4_pll_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + return clk_divider_ops.round_rate(hw, rate, prate); +} + +static int stm32f4_pll_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long pllcfgr = readl(base + STM32F4_RCC_PLLCFGR); + int pll_state, ret; + + struct clk_divider *div = to_clk_divider(hw); + struct stm32f4_pll_div *pll_div = to_pll_div_clk(div); + + pll_state = stm32f4_pll_is_enabled(pll_div->hw_pll); + + if (pll_state) + stm32f4_pll_disable(pll_div->hw_pll); + + ret = clk_divider_ops.set_rate(hw, rate, parent_rate); - unsigned long pllm = pllcfgr & 0x3f; - unsigned long plln = (pllcfgr >> 6) & 0x1ff; - unsigned long pllp = BIT(((pllcfgr >> 16) & 3) + 1); - const char *pllsrc = pllcfgr & BIT(22) ? hse_clk : hsi_clk; - unsigned long pllq = (pllcfgr >> 24) & 0xf; + if (pll_state) + stm32f4_pll_enable(pll_div->hw_pll); - clk_register_fixed_factor(NULL, "vco", pllsrc, 0, plln, pllm); - clk_register_fixed_factor(NULL, "pll", "vco", 0, 1, pllp); - clk_register_fixed_factor(NULL, "pll48", "vco", 0, 1, pllq); + return ret; +} + +static const struct clk_ops stm32f4_pll_div_ops = { + .recalc_rate = stm32f4_pll_div_recalc_rate, + .round_rate = stm32f4_pll_div_round_rate, + .set_rate = stm32f4_pll_div_set_rate, +}; + +static struct clk_hw *clk_register_pll_div(const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, const struct clk_div_table *table, + struct clk_hw *pll_hw, spinlock_t *lock) +{ + struct stm32f4_pll_div *pll_div; + struct clk_hw *hw; + struct clk_init_data init; + int ret; + + /* allocate the divider */ + pll_div = kzalloc(sizeof(*pll_div), GFP_KERNEL); + if (!pll_div) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &stm32f4_pll_div_ops; + init.flags = flags; + init.parent_names = (parent_name ? &parent_name : NULL); + init.num_parents = (parent_name ? 1 : 0); + + /* struct clk_divider assignments */ + pll_div->div.reg = reg; + pll_div->div.shift = shift; + pll_div->div.width = width; + pll_div->div.flags = clk_divider_flags; + pll_div->div.lock = lock; + pll_div->div.table = table; + pll_div->div.hw.init = &init; + + pll_div->hw_pll = pll_hw; + + /* register the clock */ + hw = &pll_div->div.hw; + ret = clk_hw_register(NULL, hw); + if (ret) { + kfree(pll_div); + hw = ERR_PTR(ret); + } + + return hw; +} + +static struct clk_hw *stm32f4_rcc_register_pll(const char *pllsrc, + const struct stm32f4_pll_data *data, spinlock_t *lock) +{ + struct stm32f4_pll *pll; + struct clk_init_data init = { NULL }; + void __iomem *reg; + struct clk_hw *pll_hw; + int ret; + int i; + const struct stm32f4_vco_data *vco; + + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + vco = &vco_data[data->pll_num]; + + init.name = vco->vco_name; + init.ops = &stm32f4_pll_gate_ops; + init.flags = CLK_SET_RATE_GATE; + init.parent_names = &pllsrc; + init.num_parents = 1; + + pll->gate.lock = lock; + pll->gate.reg = base + STM32F4_RCC_CR; + pll->gate.bit_idx = vco->bit_idx; + pll->gate.hw.init = &init; + + pll->offset = vco->offset; + pll->n_start = data->n_start; + pll->bit_rdy_idx = vco->bit_rdy_idx; + pll->status = (readl(base + STM32F4_RCC_CR) >> vco->bit_idx) & 0x1; + + reg = base + pll->offset; + + pll_hw = &pll->gate.hw; + ret = clk_hw_register(NULL, pll_hw); + if (ret) { + kfree(pll); + return ERR_PTR(ret); + } + + for (i = 0; i < MAX_PLL_DIV; i++) + if (data->div_name[i]) + clk_register_pll_div(data->div_name[i], + vco->vco_name, + 0, + reg, + div_data[i].shift, + div_data[i].width, + div_data[i].flag_div, + div_data[i].div_table, + pll_hw, + lock); + return pll_hw; } /* @@ -352,7 +766,7 @@ static int stm32f4_rcc_lookup_clk_idx(u8 primary, u8 secondary) u64 table[MAX_GATE_MAP]; if (primary == 1) { - if (WARN_ON(secondary >= END_PRIMARY_CLK)) + if (WARN_ON(secondary >= stm32fx_end_primary_clk)) return -EINVAL; return secondary; } @@ -369,7 +783,7 @@ static int stm32f4_rcc_lookup_clk_idx(u8 primary, u8 secondary) table[BIT_ULL_WORD(secondary)] &= GENMASK_ULL(secondary % BITS_PER_LONG_LONG, 0); - return END_PRIMARY_CLK - 1 + hweight64(table[0]) + + return stm32fx_end_primary_clk - 1 + hweight64(table[0]) + (BIT_ULL_WORD(secondary) >= 1 ? hweight64(table[1]) : 0) + (BIT_ULL_WORD(secondary) >= 2 ? hweight64(table[2]) : 0); } @@ -611,22 +1025,291 @@ static const char *rtc_parents[4] = { "no-clock", "lse", "lsi", "hse-rtc" }; +static const char *lcd_parent[1] = { "pllsai-r-div" }; + +static const char *i2s_parents[2] = { "plli2s-r", NULL }; + +static const char *sai_parents[4] = { "pllsai-q-div", "plli2s-q-div", NULL, + "no-clock" }; + +static const char *pll48_parents[2] = { "pll-q", "pllsai-p" }; + +static const char *sdmux_parents[2] = { "pll48", "sys" }; + +static const char *hdmi_parents[2] = { "lse", "hsi_div488" }; + +static const char *spdif_parent[1] = { "plli2s-p" }; + +static const char *lptim_parent[4] = { "apb1_mul", "lsi", "hsi", "lse" }; + +static const char *uart_parents1[4] = { "apb2_div", "sys", "hsi", "lse" }; +static const char *uart_parents2[4] = { "apb1_div", "sys", "hsi", "lse" }; + +static const char *i2c_parents[4] = { "apb1_div", "sys", "hsi", "no-clock" }; + +struct stm32_aux_clk { + int idx; + const char *name; + const char * const *parent_names; + int num_parents; + int offset_mux; + u8 shift; + u8 mask; + int offset_gate; + u8 bit_idx; + unsigned long flags; +}; + struct stm32f4_clk_data { const struct stm32f4_gate_data *gates_data; const u64 *gates_map; int gates_num; + const struct stm32f4_pll_data *pll_data; + const struct stm32_aux_clk *aux_clk; + int aux_clk_num; + int end_primary; +}; + +static const struct stm32_aux_clk stm32f429_aux_clk[] = { + { + CLK_LCD, "lcd-tft", lcd_parent, ARRAY_SIZE(lcd_parent), + NO_MUX, 0, 0, + STM32F4_RCC_APB2ENR, 26, + CLK_SET_RATE_PARENT + }, + { + CLK_I2S, "i2s", i2s_parents, ARRAY_SIZE(i2s_parents), + STM32F4_RCC_CFGR, 23, 1, + NO_GATE, 0, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI1, "sai1-a", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 20, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI2, "sai1-b", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 22, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, +}; + +static const struct stm32_aux_clk stm32f469_aux_clk[] = { + { + CLK_LCD, "lcd-tft", lcd_parent, ARRAY_SIZE(lcd_parent), + NO_MUX, 0, 0, + STM32F4_RCC_APB2ENR, 26, + CLK_SET_RATE_PARENT + }, + { + CLK_I2S, "i2s", i2s_parents, ARRAY_SIZE(i2s_parents), + STM32F4_RCC_CFGR, 23, 1, + NO_GATE, 0, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI1, "sai1-a", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 20, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI2, "sai1-b", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 22, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, + { + NO_IDX, "pll48", pll48_parents, ARRAY_SIZE(pll48_parents), + STM32F4_RCC_DCKCFGR, 27, 1, + NO_GATE, 0, + 0 + }, + { + NO_IDX, "sdmux", sdmux_parents, ARRAY_SIZE(sdmux_parents), + STM32F4_RCC_DCKCFGR, 28, 1, + NO_GATE, 0, + 0 + }, +}; + +static const struct stm32_aux_clk stm32f746_aux_clk[] = { + { + CLK_LCD, "lcd-tft", lcd_parent, ARRAY_SIZE(lcd_parent), + NO_MUX, 0, 0, + STM32F4_RCC_APB2ENR, 26, + CLK_SET_RATE_PARENT + }, + { + CLK_I2S, "i2s", i2s_parents, ARRAY_SIZE(i2s_parents), + STM32F4_RCC_CFGR, 23, 1, + NO_GATE, 0, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI1, "sai1_clk", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 20, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI2, "sai2_clk", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 22, 3, + STM32F4_RCC_APB2ENR, 23, + CLK_SET_RATE_PARENT + }, + { + NO_IDX, "pll48", pll48_parents, ARRAY_SIZE(pll48_parents), + STM32F7_RCC_DCKCFGR2, 27, 1, + NO_GATE, 0, + 0 + }, + { + NO_IDX, "sdmux", sdmux_parents, ARRAY_SIZE(sdmux_parents), + STM32F7_RCC_DCKCFGR2, 28, 1, + NO_GATE, 0, + 0 + }, + { + CLK_HDMI_CEC, "hdmi-cec", + hdmi_parents, ARRAY_SIZE(hdmi_parents), + STM32F7_RCC_DCKCFGR2, 26, 1, + NO_GATE, 0, + 0 + }, + { + CLK_SPDIF, "spdif-rx", + spdif_parent, ARRAY_SIZE(spdif_parent), + STM32F7_RCC_DCKCFGR2, 22, 3, + STM32F4_RCC_APB2ENR, 23, + CLK_SET_RATE_PARENT + }, + { + CLK_USART1, "usart1", + uart_parents1, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 0, 3, + STM32F4_RCC_APB2ENR, 4, + CLK_SET_RATE_PARENT, + }, + { + CLK_USART2, "usart2", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 2, 3, + STM32F4_RCC_APB1ENR, 17, + CLK_SET_RATE_PARENT, + }, + { + CLK_USART3, "usart3", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 4, 3, + STM32F4_RCC_APB1ENR, 18, + CLK_SET_RATE_PARENT, + }, + { + CLK_UART4, "uart4", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 6, 3, + STM32F4_RCC_APB1ENR, 19, + CLK_SET_RATE_PARENT, + }, + { + CLK_UART5, "uart5", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 8, 3, + STM32F4_RCC_APB1ENR, 20, + CLK_SET_RATE_PARENT, + }, + { + CLK_USART6, "usart6", + uart_parents1, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 10, 3, + STM32F4_RCC_APB2ENR, 5, + CLK_SET_RATE_PARENT, + }, + + { + CLK_UART7, "uart7", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 12, 3, + STM32F4_RCC_APB1ENR, 30, + CLK_SET_RATE_PARENT, + }, + { + CLK_UART8, "uart8", + uart_parents2, ARRAY_SIZE(uart_parents1), + STM32F7_RCC_DCKCFGR2, 14, 3, + STM32F4_RCC_APB1ENR, 31, + CLK_SET_RATE_PARENT, + }, + { + CLK_I2C1, "i2c1", + i2c_parents, ARRAY_SIZE(i2c_parents), + STM32F7_RCC_DCKCFGR2, 16, 3, + STM32F4_RCC_APB1ENR, 21, + CLK_SET_RATE_PARENT, + }, + { + CLK_I2C2, "i2c2", + i2c_parents, ARRAY_SIZE(i2c_parents), + STM32F7_RCC_DCKCFGR2, 18, 3, + STM32F4_RCC_APB1ENR, 22, + CLK_SET_RATE_PARENT, + }, + { + CLK_I2C3, "i2c3", + i2c_parents, ARRAY_SIZE(i2c_parents), + STM32F7_RCC_DCKCFGR2, 20, 3, + STM32F4_RCC_APB1ENR, 23, + CLK_SET_RATE_PARENT, + }, + { + CLK_I2C4, "i2c4", + i2c_parents, ARRAY_SIZE(i2c_parents), + STM32F7_RCC_DCKCFGR2, 22, 3, + STM32F4_RCC_APB1ENR, 24, + CLK_SET_RATE_PARENT, + }, + + { + CLK_LPTIMER, "lptim1", + lptim_parent, ARRAY_SIZE(lptim_parent), + STM32F7_RCC_DCKCFGR2, 24, 3, + STM32F4_RCC_APB1ENR, 9, + CLK_SET_RATE_PARENT + }, }; static const struct stm32f4_clk_data stm32f429_clk_data = { + .end_primary = END_PRIMARY_CLK, .gates_data = stm32f429_gates, .gates_map = stm32f42xx_gate_map, .gates_num = ARRAY_SIZE(stm32f429_gates), + .pll_data = stm32f429_pll, + .aux_clk = stm32f429_aux_clk, + .aux_clk_num = ARRAY_SIZE(stm32f429_aux_clk), }; static const struct stm32f4_clk_data stm32f469_clk_data = { + .end_primary = END_PRIMARY_CLK, .gates_data = stm32f469_gates, .gates_map = stm32f46xx_gate_map, .gates_num = ARRAY_SIZE(stm32f469_gates), + .pll_data = stm32f469_pll, + .aux_clk = stm32f469_aux_clk, + .aux_clk_num = ARRAY_SIZE(stm32f469_aux_clk), +}; + +static const struct stm32f4_clk_data stm32f746_clk_data = { + .end_primary = END_PRIMARY_CLK_F7, + .gates_data = stm32f746_gates, + .gates_map = stm32f746_gate_map, + .gates_num = ARRAY_SIZE(stm32f746_gates), + .pll_data = stm32f469_pll, + .aux_clk = stm32f746_aux_clk, + .aux_clk_num = ARRAY_SIZE(stm32f746_aux_clk), }; static const struct of_device_id stm32f4_of_match[] = { @@ -638,15 +1321,84 @@ static const struct of_device_id stm32f4_of_match[] = { .compatible = "st,stm32f469-rcc", .data = &stm32f469_clk_data }, + { + .compatible = "st,stm32f746-rcc", + .data = &stm32f746_clk_data + }, {} }; +static struct clk_hw *stm32_register_aux_clk(const char *name, + const char * const *parent_names, int num_parents, + int offset_mux, u8 shift, u8 mask, + int offset_gate, u8 bit_idx, + unsigned long flags, spinlock_t *lock) +{ + struct clk_hw *hw; + struct clk_gate *gate = NULL; + struct clk_mux *mux = NULL; + struct clk_hw *mux_hw = NULL, *gate_hw = NULL; + const struct clk_ops *mux_ops = NULL, *gate_ops = NULL; + + if (offset_gate != NO_GATE) { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) { + hw = ERR_PTR(-EINVAL); + goto fail; + } + + gate->reg = base + offset_gate; + gate->bit_idx = bit_idx; + gate->flags = 0; + gate->lock = lock; + gate_hw = &gate->hw; + gate_ops = &clk_gate_ops; + } + + if (offset_mux != NO_MUX) { + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) { + hw = ERR_PTR(-EINVAL); + goto fail; + } + + mux->reg = base + offset_mux; + mux->shift = shift; + mux->mask = mask; + mux->flags = 0; + mux_hw = &mux->hw; + mux_ops = &clk_mux_ops; + } + + if (mux_hw == NULL && gate_hw == NULL) { + hw = ERR_PTR(-EINVAL); + goto fail; + } + + hw = clk_hw_register_composite(NULL, name, parent_names, num_parents, + mux_hw, mux_ops, + NULL, NULL, + gate_hw, gate_ops, + flags); + +fail: + if (IS_ERR(hw)) { + kfree(gate); + kfree(mux); + } + + return hw; +} + static void __init stm32f4_rcc_init(struct device_node *np) { - const char *hse_clk; + const char *hse_clk, *i2s_in_clk; int n; const struct of_device_id *match; const struct stm32f4_clk_data *data; + unsigned long pllcfgr; + const char *pllsrc; + unsigned long pllm; base = of_iomap(np, 0); if (!base) { @@ -666,7 +1418,9 @@ static void __init stm32f4_rcc_init(struct device_node *np) data = match->data; - clks = kmalloc_array(data->gates_num + END_PRIMARY_CLK, + stm32fx_end_primary_clk = data->end_primary; + + clks = kmalloc_array(data->gates_num + stm32fx_end_primary_clk, sizeof(*clks), GFP_KERNEL); if (!clks) goto fail; @@ -675,12 +1429,54 @@ static void __init stm32f4_rcc_init(struct device_node *np) hse_clk = of_clk_get_parent_name(np, 0); - clk_register_fixed_rate_with_accuracy(NULL, "hsi", NULL, 0, - 16000000, 160000); - stm32f4_rcc_register_pll(hse_clk, "hsi"); + i2s_in_clk = of_clk_get_parent_name(np, 1); + + i2s_parents[1] = i2s_in_clk; + sai_parents[2] = i2s_in_clk; + + clks[CLK_HSI] = clk_hw_register_fixed_rate_with_accuracy(NULL, "hsi", + NULL, 0, 16000000, 160000); + + pllcfgr = readl(base + STM32F4_RCC_PLLCFGR); + pllsrc = pllcfgr & BIT(22) ? hse_clk : "hsi"; + pllm = pllcfgr & 0x3f; + + clk_hw_register_fixed_factor(NULL, "vco_in", pllsrc, + 0, 1, pllm); + + stm32f4_rcc_register_pll("vco_in", &data->pll_data[0], + &stm32f4_clk_lock); + + clks[PLL_VCO_I2S] = stm32f4_rcc_register_pll("vco_in", + &data->pll_data[1], &stm32f4_clk_lock); + + clks[PLL_VCO_SAI] = stm32f4_rcc_register_pll("vco_in", + &data->pll_data[2], &stm32f4_clk_lock); + + for (n = 0; n < MAX_POST_DIV; n++) { + const struct stm32f4_pll_post_div_data *post_div; + struct clk_hw *hw; + + post_div = &post_div_data[n]; + + hw = clk_register_pll_div(post_div->name, + post_div->parent, + post_div->flag, + base + post_div->offset, + post_div->shift, + post_div->width, + post_div->flag_div, + post_div->div_table, + clks[post_div->pll_num], + &stm32f4_clk_lock); + + if (post_div->idx != NO_IDX) + clks[post_div->idx] = hw; + } sys_parents[1] = hse_clk; - clk_register_mux_table( + + clks[CLK_SYSCLK] = clk_hw_register_mux_table( NULL, "sys", sys_parents, ARRAY_SIZE(sys_parents), 0, base + STM32F4_RCC_CFGR, 0, 3, 0, NULL, &stm32f4_clk_lock); @@ -762,11 +1558,39 @@ static void __init stm32f4_rcc_init(struct device_node *np) goto fail; } + for (n = 0; n < data->aux_clk_num; n++) { + const struct stm32_aux_clk *aux_clk; + struct clk_hw *hw; + + aux_clk = &data->aux_clk[n]; + + hw = stm32_register_aux_clk(aux_clk->name, + aux_clk->parent_names, aux_clk->num_parents, + aux_clk->offset_mux, aux_clk->shift, + aux_clk->mask, aux_clk->offset_gate, + aux_clk->bit_idx, aux_clk->flags, + &stm32f4_clk_lock); + + if (IS_ERR(hw)) { + pr_warn("Unable to register %s clk\n", aux_clk->name); + continue; + } + + if (aux_clk->idx != NO_IDX) + clks[aux_clk->idx] = hw; + } + + if (of_device_is_compatible(np, "st,stm32f746-rcc")) + + clk_hw_register_fixed_factor(NULL, "hsi_div488", "hsi", 0, + 1, 488); + of_clk_add_hw_provider(np, stm32f4_rcc_lookup_clk, NULL); return; fail: kfree(clks); iounmap(base); } -CLK_OF_DECLARE(stm32f42xx_rcc, "st,stm32f42xx-rcc", stm32f4_rcc_init); -CLK_OF_DECLARE(stm32f46xx_rcc, "st,stm32f469-rcc", stm32f4_rcc_init); +CLK_OF_DECLARE_DRIVER(stm32f42xx_rcc, "st,stm32f42xx-rcc", stm32f4_rcc_init); +CLK_OF_DECLARE_DRIVER(stm32f46xx_rcc, "st,stm32f469-rcc", stm32f4_rcc_init); +CLK_OF_DECLARE_DRIVER(stm32f746_rcc, "st,stm32f746-rcc", stm32f4_rcc_init); diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c new file mode 100644 index 000000000000..56741f3cf0a3 --- /dev/null +++ b/drivers/clk/clk-versaclock5.c @@ -0,0 +1,791 @@ +/* + * Driver for IDT Versaclock 5 + * + * Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * Possible optimizations: + * - Use spread spectrum + * - Use integer divider in FOD if applicable + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/rational.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +/* VersaClock5 registers */ +#define VC5_OTP_CONTROL 0x00 + +/* Factory-reserved register block */ +#define VC5_RSVD_DEVICE_ID 0x01 +#define VC5_RSVD_ADC_GAIN_7_0 0x02 +#define VC5_RSVD_ADC_GAIN_15_8 0x03 +#define VC5_RSVD_ADC_OFFSET_7_0 0x04 +#define VC5_RSVD_ADC_OFFSET_15_8 0x05 +#define VC5_RSVD_TEMPY 0x06 +#define VC5_RSVD_OFFSET_TBIN 0x07 +#define VC5_RSVD_GAIN 0x08 +#define VC5_RSVD_TEST_NP 0x09 +#define VC5_RSVD_UNUSED 0x0a +#define VC5_RSVD_BANDGAP_TRIM_UP 0x0b +#define VC5_RSVD_BANDGAP_TRIM_DN 0x0c +#define VC5_RSVD_CLK_R_12_CLK_AMP_4 0x0d +#define VC5_RSVD_CLK_R_34_CLK_AMP_4 0x0e +#define VC5_RSVD_CLK_AMP_123 0x0f + +/* Configuration register block */ +#define VC5_PRIM_SRC_SHDN 0x10 +#define VC5_PRIM_SRC_SHDN_EN_XTAL BIT(7) +#define VC5_PRIM_SRC_SHDN_EN_CLKIN BIT(6) +#define VC5_PRIM_SRC_SHDN_SP BIT(1) +#define VC5_PRIM_SRC_SHDN_EN_GBL_SHDN BIT(0) + +#define VC5_VCO_BAND 0x11 +#define VC5_XTAL_X1_LOAD_CAP 0x12 +#define VC5_XTAL_X2_LOAD_CAP 0x13 +#define VC5_REF_DIVIDER 0x15 +#define VC5_REF_DIVIDER_SEL_PREDIV2 BIT(7) +#define VC5_REF_DIVIDER_REF_DIV(n) ((n) & 0x3f) + +#define VC5_VCO_CTRL_AND_PREDIV 0x16 +#define VC5_VCO_CTRL_AND_PREDIV_BYPASS_PREDIV BIT(7) + +#define VC5_FEEDBACK_INT_DIV 0x17 +#define VC5_FEEDBACK_INT_DIV_BITS 0x18 +#define VC5_FEEDBACK_FRAC_DIV(n) (0x19 + (n)) +#define VC5_RC_CONTROL0 0x1e +#define VC5_RC_CONTROL1 0x1f +/* Register 0x20 is factory reserved */ + +/* Output divider control for divider 1,2,3,4 */ +#define VC5_OUT_DIV_CONTROL(idx) (0x21 + ((idx) * 0x10)) +#define VC5_OUT_DIV_CONTROL_RESET BIT(7) +#define VC5_OUT_DIV_CONTROL_SELB_NORM BIT(3) +#define VC5_OUT_DIV_CONTROL_SEL_EXT BIT(2) +#define VC5_OUT_DIV_CONTROL_INT_MODE BIT(1) +#define VC5_OUT_DIV_CONTROL_EN_FOD BIT(0) + +#define VC5_OUT_DIV_FRAC(idx, n) (0x22 + ((idx) * 0x10) + (n)) +#define VC5_OUT_DIV_FRAC4_OD_SCEE BIT(1) + +#define VC5_OUT_DIV_STEP_SPREAD(idx, n) (0x26 + ((idx) * 0x10) + (n)) +#define VC5_OUT_DIV_SPREAD_MOD(idx, n) (0x29 + ((idx) * 0x10) + (n)) +#define VC5_OUT_DIV_SKEW_INT(idx, n) (0x2b + ((idx) * 0x10) + (n)) +#define VC5_OUT_DIV_INT(idx, n) (0x2d + ((idx) * 0x10) + (n)) +#define VC5_OUT_DIV_SKEW_FRAC(idx) (0x2f + ((idx) * 0x10)) +/* Registers 0x30, 0x40, 0x50 are factory reserved */ + +/* Clock control register for clock 1,2 */ +#define VC5_CLK_OUTPUT_CFG(idx, n) (0x60 + ((idx) * 0x2) + (n)) +#define VC5_CLK_OUTPUT_CFG1_EN_CLKBUF BIT(0) + +#define VC5_CLK_OE_SHDN 0x68 +#define VC5_CLK_OS_SHDN 0x69 + +#define VC5_GLOBAL_REGISTER 0x76 +#define VC5_GLOBAL_REGISTER_GLOBAL_RESET BIT(5) + +/* PLL/VCO runs between 2.5 GHz and 3.0 GHz */ +#define VC5_PLL_VCO_MIN 2500000000UL +#define VC5_PLL_VCO_MAX 3000000000UL + +/* VC5 Input mux settings */ +#define VC5_MUX_IN_XIN BIT(0) +#define VC5_MUX_IN_CLKIN BIT(1) + +/* Supported IDT VC5 models. */ +enum vc5_model { + IDT_VC5_5P49V5923, + IDT_VC5_5P49V5933, +}; + +struct vc5_driver_data; + +struct vc5_hw_data { + struct clk_hw hw; + struct vc5_driver_data *vc5; + u32 div_int; + u32 div_frc; + unsigned int num; +}; + +struct vc5_driver_data { + struct i2c_client *client; + struct regmap *regmap; + enum vc5_model model; + + struct clk *pin_xin; + struct clk *pin_clkin; + unsigned char clk_mux_ins; + struct clk_hw clk_mux; + struct vc5_hw_data clk_pll; + struct vc5_hw_data clk_fod[2]; + struct vc5_hw_data clk_out[3]; +}; + +static const char * const vc5_mux_names[] = { + "mux" +}; + +static const char * const vc5_pll_names[] = { + "pll" +}; + +static const char * const vc5_fod_names[] = { + "fod0", "fod1", "fod2", "fod3", +}; + +static const char * const vc5_clk_out_names[] = { + "out0_sel_i2cb", "out1", "out2", "out3", "out4", +}; + +/* + * VersaClock5 i2c regmap + */ +static bool vc5_regmap_is_writeable(struct device *dev, unsigned int reg) +{ + /* Factory reserved regs, make them read-only */ + if (reg <= 0xf) + return false; + + /* Factory reserved regs, make them read-only */ + if (reg == 0x14 || reg == 0x1c || reg == 0x1d) + return false; + + return true; +} + +static const struct regmap_config vc5_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .max_register = 0x76, + .writeable_reg = vc5_regmap_is_writeable, +}; + +/* + * VersaClock5 input multiplexer between XTAL and CLKIN divider + */ +static unsigned char vc5_mux_get_parent(struct clk_hw *hw) +{ + struct vc5_driver_data *vc5 = + container_of(hw, struct vc5_driver_data, clk_mux); + const u8 mask = VC5_PRIM_SRC_SHDN_EN_XTAL | VC5_PRIM_SRC_SHDN_EN_CLKIN; + unsigned int src; + + regmap_read(vc5->regmap, VC5_PRIM_SRC_SHDN, &src); + src &= mask; + + if (src == VC5_PRIM_SRC_SHDN_EN_XTAL) + return 0; + + if (src == VC5_PRIM_SRC_SHDN_EN_CLKIN) + return 1; + + dev_warn(&vc5->client->dev, + "Invalid clock input configuration (%02x)\n", src); + return 0; +} + +static int vc5_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct vc5_driver_data *vc5 = + container_of(hw, struct vc5_driver_data, clk_mux); + const u8 mask = VC5_PRIM_SRC_SHDN_EN_XTAL | VC5_PRIM_SRC_SHDN_EN_CLKIN; + u8 src; + + if ((index > 1) || !vc5->clk_mux_ins) + return -EINVAL; + + if (vc5->clk_mux_ins == (VC5_MUX_IN_CLKIN | VC5_MUX_IN_XIN)) { + if (index == 0) + src = VC5_PRIM_SRC_SHDN_EN_XTAL; + if (index == 1) + src = VC5_PRIM_SRC_SHDN_EN_CLKIN; + } else { + if (index != 0) + return -EINVAL; + + if (vc5->clk_mux_ins == VC5_MUX_IN_XIN) + src = VC5_PRIM_SRC_SHDN_EN_XTAL; + if (vc5->clk_mux_ins == VC5_MUX_IN_CLKIN) + src = VC5_PRIM_SRC_SHDN_EN_CLKIN; + } + + return regmap_update_bits(vc5->regmap, VC5_PRIM_SRC_SHDN, mask, src); +} + +static unsigned long vc5_mux_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct vc5_driver_data *vc5 = + container_of(hw, struct vc5_driver_data, clk_mux); + unsigned int prediv, div; + + regmap_read(vc5->regmap, VC5_VCO_CTRL_AND_PREDIV, &prediv); + + /* The bypass_prediv is set, PLL fed from Ref_in directly. */ + if (prediv & VC5_VCO_CTRL_AND_PREDIV_BYPASS_PREDIV) + return parent_rate; + + regmap_read(vc5->regmap, VC5_REF_DIVIDER, &div); + + /* The Sel_prediv2 is set, PLL fed from prediv2 (Ref_in / 2) */ + if (div & VC5_REF_DIVIDER_SEL_PREDIV2) + return parent_rate / 2; + else + return parent_rate / VC5_REF_DIVIDER_REF_DIV(div); +} + +static long vc5_mux_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + unsigned long idiv; + + /* PLL cannot operate with input clock above 50 MHz. */ + if (rate > 50000000) + return -EINVAL; + + /* CLKIN within range of PLL input, feed directly to PLL. */ + if (*parent_rate <= 50000000) + return *parent_rate; + + idiv = DIV_ROUND_UP(*parent_rate, rate); + if (idiv > 127) + return -EINVAL; + + return *parent_rate / idiv; +} + +static int vc5_mux_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct vc5_driver_data *vc5 = + container_of(hw, struct vc5_driver_data, clk_mux); + unsigned long idiv; + u8 div; + + /* CLKIN within range of PLL input, feed directly to PLL. */ + if (parent_rate <= 50000000) { + regmap_update_bits(vc5->regmap, VC5_VCO_CTRL_AND_PREDIV, + VC5_VCO_CTRL_AND_PREDIV_BYPASS_PREDIV, + VC5_VCO_CTRL_AND_PREDIV_BYPASS_PREDIV); + regmap_update_bits(vc5->regmap, VC5_REF_DIVIDER, 0xff, 0x00); + return 0; + } + + idiv = DIV_ROUND_UP(parent_rate, rate); + + /* We have dedicated div-2 predivider. */ + if (idiv == 2) + div = VC5_REF_DIVIDER_SEL_PREDIV2; + else + div = VC5_REF_DIVIDER_REF_DIV(idiv); + + regmap_update_bits(vc5->regmap, VC5_REF_DIVIDER, 0xff, div); + regmap_update_bits(vc5->regmap, VC5_VCO_CTRL_AND_PREDIV, + VC5_VCO_CTRL_AND_PREDIV_BYPASS_PREDIV, 0); + + return 0; +} + +static const struct clk_ops vc5_mux_ops = { + .set_parent = vc5_mux_set_parent, + .get_parent = vc5_mux_get_parent, + .recalc_rate = vc5_mux_recalc_rate, + .round_rate = vc5_mux_round_rate, + .set_rate = vc5_mux_set_rate, +}; + +/* + * VersaClock5 PLL/VCO + */ +static unsigned long vc5_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + u32 div_int, div_frc; + u8 fb[5]; + + regmap_bulk_read(vc5->regmap, VC5_FEEDBACK_INT_DIV, fb, 5); + + div_int = (fb[0] << 4) | (fb[1] >> 4); + div_frc = (fb[2] << 16) | (fb[3] << 8) | fb[4]; + + /* The PLL divider has 12 integer bits and 24 fractional bits */ + return (parent_rate * div_int) + ((parent_rate * div_frc) >> 24); +} + +static long vc5_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + u32 div_int; + u64 div_frc; + + if (rate < VC5_PLL_VCO_MIN) + rate = VC5_PLL_VCO_MIN; + if (rate > VC5_PLL_VCO_MAX) + rate = VC5_PLL_VCO_MAX; + + /* Determine integer part, which is 12 bit wide */ + div_int = rate / *parent_rate; + if (div_int > 0xfff) + rate = *parent_rate * 0xfff; + + /* Determine best fractional part, which is 24 bit wide */ + div_frc = rate % *parent_rate; + div_frc *= BIT(24) - 1; + do_div(div_frc, *parent_rate); + + hwdata->div_int = div_int; + hwdata->div_frc = (u32)div_frc; + + return (*parent_rate * div_int) + ((*parent_rate * div_frc) >> 24); +} + +static int vc5_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + u8 fb[5]; + + fb[0] = hwdata->div_int >> 4; + fb[1] = hwdata->div_int << 4; + fb[2] = hwdata->div_frc >> 16; + fb[3] = hwdata->div_frc >> 8; + fb[4] = hwdata->div_frc; + + return regmap_bulk_write(vc5->regmap, VC5_FEEDBACK_INT_DIV, fb, 5); +} + +static const struct clk_ops vc5_pll_ops = { + .recalc_rate = vc5_pll_recalc_rate, + .round_rate = vc5_pll_round_rate, + .set_rate = vc5_pll_set_rate, +}; + +static unsigned long vc5_fod_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + /* VCO frequency is divided by two before entering FOD */ + u32 f_in = parent_rate / 2; + u32 div_int, div_frc; + u8 od_int[2]; + u8 od_frc[4]; + + regmap_bulk_read(vc5->regmap, VC5_OUT_DIV_INT(hwdata->num, 0), + od_int, 2); + regmap_bulk_read(vc5->regmap, VC5_OUT_DIV_FRAC(hwdata->num, 0), + od_frc, 4); + + div_int = (od_int[0] << 4) | (od_int[1] >> 4); + div_frc = (od_frc[0] << 22) | (od_frc[1] << 14) | + (od_frc[2] << 6) | (od_frc[3] >> 2); + + /* The PLL divider has 12 integer bits and 30 fractional bits */ + return div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc); +} + +static long vc5_fod_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + /* VCO frequency is divided by two before entering FOD */ + u32 f_in = *parent_rate / 2; + u32 div_int; + u64 div_frc; + + /* Determine integer part, which is 12 bit wide */ + div_int = f_in / rate; + /* + * WARNING: The clock chip does not output signal if the integer part + * of the divider is 0xfff and fractional part is non-zero. + * Clamp the divider at 0xffe to keep the code simple. + */ + if (div_int > 0xffe) { + div_int = 0xffe; + rate = f_in / div_int; + } + + /* Determine best fractional part, which is 30 bit wide */ + div_frc = f_in % rate; + div_frc <<= 24; + do_div(div_frc, rate); + + hwdata->div_int = div_int; + hwdata->div_frc = (u32)div_frc; + + return div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc); +} + +static int vc5_fod_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + u8 data[14] = { + hwdata->div_frc >> 22, hwdata->div_frc >> 14, + hwdata->div_frc >> 6, hwdata->div_frc << 2, + 0, 0, 0, 0, 0, + 0, 0, + hwdata->div_int >> 4, hwdata->div_int << 4, + 0 + }; + + regmap_bulk_write(vc5->regmap, VC5_OUT_DIV_FRAC(hwdata->num, 0), + data, 14); + + /* + * Toggle magic bit in undocumented register for unknown reason. + * This is what the IDT timing commander tool does and the chip + * datasheet somewhat implies this is needed, but the register + * and the bit is not documented. + */ + regmap_update_bits(vc5->regmap, VC5_GLOBAL_REGISTER, + VC5_GLOBAL_REGISTER_GLOBAL_RESET, 0); + regmap_update_bits(vc5->regmap, VC5_GLOBAL_REGISTER, + VC5_GLOBAL_REGISTER_GLOBAL_RESET, + VC5_GLOBAL_REGISTER_GLOBAL_RESET); + return 0; +} + +static const struct clk_ops vc5_fod_ops = { + .recalc_rate = vc5_fod_recalc_rate, + .round_rate = vc5_fod_round_rate, + .set_rate = vc5_fod_set_rate, +}; + +static int vc5_clk_out_prepare(struct clk_hw *hw) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + + /* Enable the clock buffer */ + regmap_update_bits(vc5->regmap, VC5_CLK_OUTPUT_CFG(hwdata->num, 1), + VC5_CLK_OUTPUT_CFG1_EN_CLKBUF, + VC5_CLK_OUTPUT_CFG1_EN_CLKBUF); + return 0; +} + +static void vc5_clk_out_unprepare(struct clk_hw *hw) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + + /* Enable the clock buffer */ + regmap_update_bits(vc5->regmap, VC5_CLK_OUTPUT_CFG(hwdata->num, 1), + VC5_CLK_OUTPUT_CFG1_EN_CLKBUF, 0); +} + +static unsigned char vc5_clk_out_get_parent(struct clk_hw *hw) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + const u8 mask = VC5_OUT_DIV_CONTROL_SELB_NORM | + VC5_OUT_DIV_CONTROL_SEL_EXT | + VC5_OUT_DIV_CONTROL_EN_FOD; + const u8 fodclkmask = VC5_OUT_DIV_CONTROL_SELB_NORM | + VC5_OUT_DIV_CONTROL_EN_FOD; + const u8 extclk = VC5_OUT_DIV_CONTROL_SELB_NORM | + VC5_OUT_DIV_CONTROL_SEL_EXT; + unsigned int src; + + regmap_read(vc5->regmap, VC5_OUT_DIV_CONTROL(hwdata->num), &src); + src &= mask; + + if ((src & fodclkmask) == VC5_OUT_DIV_CONTROL_EN_FOD) + return 0; + + if (src == extclk) + return 1; + + dev_warn(&vc5->client->dev, + "Invalid clock output configuration (%02x)\n", src); + return 0; +} + +static int vc5_clk_out_set_parent(struct clk_hw *hw, u8 index) +{ + struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; + const u8 mask = VC5_OUT_DIV_CONTROL_RESET | + VC5_OUT_DIV_CONTROL_SELB_NORM | + VC5_OUT_DIV_CONTROL_SEL_EXT | + VC5_OUT_DIV_CONTROL_EN_FOD; + const u8 extclk = VC5_OUT_DIV_CONTROL_SELB_NORM | + VC5_OUT_DIV_CONTROL_SEL_EXT; + u8 src = VC5_OUT_DIV_CONTROL_RESET; + + if (index == 0) + src |= VC5_OUT_DIV_CONTROL_EN_FOD; + else + src |= extclk; + + return regmap_update_bits(vc5->regmap, VC5_OUT_DIV_CONTROL(hwdata->num), + mask, src); +} + +static const struct clk_ops vc5_clk_out_ops = { + .prepare = vc5_clk_out_prepare, + .unprepare = vc5_clk_out_unprepare, + .set_parent = vc5_clk_out_set_parent, + .get_parent = vc5_clk_out_get_parent, +}; + +static struct clk_hw *vc5_of_clk_get(struct of_phandle_args *clkspec, + void *data) +{ + struct vc5_driver_data *vc5 = data; + unsigned int idx = clkspec->args[0]; + + if (idx > 2) + return ERR_PTR(-EINVAL); + + return &vc5->clk_out[idx].hw; +} + +static int vc5_map_index_to_output(const enum vc5_model model, + const unsigned int n) +{ + switch (model) { + case IDT_VC5_5P49V5933: + return (n == 0) ? 0 : 3; + case IDT_VC5_5P49V5923: + default: + return n; + } +} + +static const struct of_device_id clk_vc5_of_match[]; + +static int vc5_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + const struct of_device_id *of_id = + of_match_device(clk_vc5_of_match, &client->dev); + struct vc5_driver_data *vc5; + struct clk_init_data init; + const char *parent_names[2]; + unsigned int n, idx; + int ret; + + vc5 = devm_kzalloc(&client->dev, sizeof(*vc5), GFP_KERNEL); + if (vc5 == NULL) + return -ENOMEM; + + i2c_set_clientdata(client, vc5); + vc5->client = client; + vc5->model = (enum vc5_model)of_id->data; + + vc5->pin_xin = devm_clk_get(&client->dev, "xin"); + if (PTR_ERR(vc5->pin_xin) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + vc5->pin_clkin = devm_clk_get(&client->dev, "clkin"); + if (PTR_ERR(vc5->pin_clkin) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + vc5->regmap = devm_regmap_init_i2c(client, &vc5_regmap_config); + if (IS_ERR(vc5->regmap)) { + dev_err(&client->dev, "failed to allocate register map\n"); + return PTR_ERR(vc5->regmap); + } + + /* Register clock input mux */ + memset(&init, 0, sizeof(init)); + + if (!IS_ERR(vc5->pin_xin)) { + vc5->clk_mux_ins |= VC5_MUX_IN_XIN; + parent_names[init.num_parents++] = __clk_get_name(vc5->pin_xin); + } else if (vc5->model == IDT_VC5_5P49V5933) { + /* IDT VC5 5P49V5933 has built-in oscilator. */ + vc5->pin_xin = clk_register_fixed_rate(&client->dev, + "internal-xtal", NULL, + 0, 25000000); + if (IS_ERR(vc5->pin_xin)) + return PTR_ERR(vc5->pin_xin); + vc5->clk_mux_ins |= VC5_MUX_IN_XIN; + parent_names[init.num_parents++] = __clk_get_name(vc5->pin_xin); + } + + if (!IS_ERR(vc5->pin_clkin)) { + vc5->clk_mux_ins |= VC5_MUX_IN_CLKIN; + parent_names[init.num_parents++] = + __clk_get_name(vc5->pin_clkin); + } + + if (!init.num_parents) { + dev_err(&client->dev, "no input clock specified!\n"); + return -EINVAL; + } + + init.name = vc5_mux_names[0]; + init.ops = &vc5_mux_ops; + init.flags = 0; + init.parent_names = parent_names; + vc5->clk_mux.init = &init; + ret = devm_clk_hw_register(&client->dev, &vc5->clk_mux); + if (ret) { + dev_err(&client->dev, "unable to register %s\n", init.name); + goto err_clk; + } + + /* Register PLL */ + memset(&init, 0, sizeof(init)); + init.name = vc5_pll_names[0]; + init.ops = &vc5_pll_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = vc5_mux_names; + init.num_parents = 1; + vc5->clk_pll.num = 0; + vc5->clk_pll.vc5 = vc5; + vc5->clk_pll.hw.init = &init; + ret = devm_clk_hw_register(&client->dev, &vc5->clk_pll.hw); + if (ret) { + dev_err(&client->dev, "unable to register %s\n", init.name); + goto err_clk; + } + + /* Register FODs */ + for (n = 0; n < 2; n++) { + idx = vc5_map_index_to_output(vc5->model, n); + memset(&init, 0, sizeof(init)); + init.name = vc5_fod_names[idx]; + init.ops = &vc5_fod_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = vc5_pll_names; + init.num_parents = 1; + vc5->clk_fod[n].num = idx; + vc5->clk_fod[n].vc5 = vc5; + vc5->clk_fod[n].hw.init = &init; + ret = devm_clk_hw_register(&client->dev, &vc5->clk_fod[n].hw); + if (ret) { + dev_err(&client->dev, "unable to register %s\n", + init.name); + goto err_clk; + } + } + + /* Register MUX-connected OUT0_I2C_SELB output */ + memset(&init, 0, sizeof(init)); + init.name = vc5_clk_out_names[0]; + init.ops = &vc5_clk_out_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = vc5_mux_names; + init.num_parents = 1; + vc5->clk_out[0].num = idx; + vc5->clk_out[0].vc5 = vc5; + vc5->clk_out[0].hw.init = &init; + ret = devm_clk_hw_register(&client->dev, &vc5->clk_out[0].hw); + if (ret) { + dev_err(&client->dev, "unable to register %s\n", + init.name); + goto err_clk; + } + + /* Register FOD-connected OUTx outputs */ + for (n = 1; n < 3; n++) { + idx = vc5_map_index_to_output(vc5->model, n - 1); + parent_names[0] = vc5_fod_names[idx]; + if (n == 1) + parent_names[1] = vc5_mux_names[0]; + else + parent_names[1] = vc5_clk_out_names[n - 1]; + + memset(&init, 0, sizeof(init)); + init.name = vc5_clk_out_names[idx + 1]; + init.ops = &vc5_clk_out_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = parent_names; + init.num_parents = 2; + vc5->clk_out[n].num = idx; + vc5->clk_out[n].vc5 = vc5; + vc5->clk_out[n].hw.init = &init; + ret = devm_clk_hw_register(&client->dev, + &vc5->clk_out[n].hw); + if (ret) { + dev_err(&client->dev, "unable to register %s\n", + init.name); + goto err_clk; + } + } + + ret = of_clk_add_hw_provider(client->dev.of_node, vc5_of_clk_get, vc5); + if (ret) { + dev_err(&client->dev, "unable to add clk provider\n"); + goto err_clk; + } + + return 0; + +err_clk: + if (vc5->model == IDT_VC5_5P49V5933) + clk_unregister_fixed_rate(vc5->pin_xin); + return ret; +} + +static int vc5_remove(struct i2c_client *client) +{ + struct vc5_driver_data *vc5 = i2c_get_clientdata(client); + + of_clk_del_provider(client->dev.of_node); + + if (vc5->model == IDT_VC5_5P49V5933) + clk_unregister_fixed_rate(vc5->pin_xin); + + return 0; +} + +static const struct i2c_device_id vc5_id[] = { + { "5p49v5923", .driver_data = IDT_VC5_5P49V5923 }, + { "5p49v5933", .driver_data = IDT_VC5_5P49V5933 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, vc5_id); + +static const struct of_device_id clk_vc5_of_match[] = { + { .compatible = "idt,5p49v5923", .data = (void *)IDT_VC5_5P49V5923 }, + { .compatible = "idt,5p49v5933", .data = (void *)IDT_VC5_5P49V5933 }, + { }, +}; +MODULE_DEVICE_TABLE(of, clk_vc5_of_match); + +static struct i2c_driver vc5_driver = { + .driver = { + .name = "vc5", + .of_match_table = clk_vc5_of_match, + }, + .probe = vc5_probe, + .remove = vc5_remove, + .id_table = vc5_id, +}; +module_i2c_driver(vc5_driver); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("IDT VersaClock 5 driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c index 0621fbfb4beb..a47960aacfa5 100644 --- a/drivers/clk/clk-wm831x.c +++ b/drivers/clk/clk-wm831x.c @@ -97,7 +97,8 @@ static int wm831x_fll_prepare(struct clk_hw *hw) if (ret != 0) dev_crit(wm831x->dev, "Failed to enable FLL: %d\n", ret); - usleep_range(2000, 2000); + /* wait 2-3 ms for new frequency taking effect */ + usleep_range(2000, 3000); return ret; } diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig index cbed6602172b..7098bfd32b1b 100644 --- a/drivers/clk/hisilicon/Kconfig +++ b/drivers/clk/hisilicon/Kconfig @@ -14,6 +14,13 @@ config COMMON_CLK_HI3519 help Build the clock driver for hi3519. +config COMMON_CLK_HI3660 + bool "Hi3660 Clock Driver" + depends on ARCH_HISI || COMPILE_TEST + default ARCH_HISI + help + Build the clock driver for hi3660. + config COMMON_CLK_HI3798CV200 tristate "Hi3798CV200 Clock Driver" depends on ARCH_HISI || COMPILE_TEST diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index 4eec5e511e4c..1e4c3ddbad84 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o obj-$(CONFIG_ARCH_HIX5HD2) += clk-hix5hd2.o obj-$(CONFIG_COMMON_CLK_HI3516CV300) += crg-hi3516cv300.o obj-$(CONFIG_COMMON_CLK_HI3519) += clk-hi3519.o +obj-$(CONFIG_COMMON_CLK_HI3660) += clk-hi3660.o obj-$(CONFIG_COMMON_CLK_HI3798CV200) += crg-hi3798cv200.o obj-$(CONFIG_COMMON_CLK_HI6220) += clk-hi6220.o obj-$(CONFIG_RESET_HISI) += reset.o diff --git a/drivers/clk/hisilicon/clk-hi3660.c b/drivers/clk/hisilicon/clk-hi3660.c new file mode 100644 index 000000000000..96a9697b06cf --- /dev/null +++ b/drivers/clk/hisilicon/clk-hi3660.c @@ -0,0 +1,567 @@ +/* + * Copyright (c) 2016-2017 Linaro Ltd. + * Copyright (c) 2016-2017 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <dt-bindings/clock/hi3660-clock.h> +#include <linux/clk-provider.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "clk.h" + +static const struct hisi_fixed_rate_clock hi3660_fixed_rate_clks[] = { + { HI3660_CLKIN_SYS, "clkin_sys", NULL, 0, 19200000, }, + { HI3660_CLKIN_REF, "clkin_ref", NULL, 0, 32764, }, + { HI3660_CLK_FLL_SRC, "clk_fll_src", NULL, 0, 128000000, }, + { HI3660_CLK_PPLL0, "clk_ppll0", NULL, 0, 1600000000, }, + { HI3660_CLK_PPLL1, "clk_ppll1", NULL, 0, 1866000000, }, + { HI3660_CLK_PPLL2, "clk_ppll2", NULL, 0, 960000000, }, + { HI3660_CLK_PPLL3, "clk_ppll3", NULL, 0, 1290000000, }, + { HI3660_CLK_SCPLL, "clk_scpll", NULL, 0, 245760000, }, + { HI3660_PCLK, "pclk", NULL, 0, 20000000, }, + { HI3660_CLK_UART0_DBG, "clk_uart0_dbg", NULL, 0, 19200000, }, + { HI3660_CLK_UART6, "clk_uart6", NULL, 0, 19200000, }, + { HI3660_OSC32K, "osc32k", NULL, 0, 32764, }, + { HI3660_OSC19M, "osc19m", NULL, 0, 19200000, }, + { HI3660_CLK_480M, "clk_480m", NULL, 0, 480000000, }, + { HI3660_CLK_INV, "clk_inv", NULL, 0, 10000000, }, +}; + +/* crgctrl */ +static const struct hisi_fixed_factor_clock hi3660_crg_fixed_factor_clks[] = { + { HI3660_FACTOR_UART3, "clk_factor_uart3", "iomcu_peri0", 1, 8, 0, }, + { HI3660_CLK_FACTOR_MMC, "clk_factor_mmc", "clkin_sys", 1, 6, 0, }, + { HI3660_CLK_GATE_I2C0, "clk_gate_i2c0", "clk_i2c0_iomcu", 1, 4, 0, }, + { HI3660_CLK_GATE_I2C1, "clk_gate_i2c1", "clk_i2c1_iomcu", 1, 4, 0, }, + { HI3660_CLK_GATE_I2C2, "clk_gate_i2c2", "clk_i2c2_iomcu", 1, 4, 0, }, + { HI3660_CLK_GATE_I2C6, "clk_gate_i2c6", "clk_i2c6_iomcu", 1, 4, 0, }, + { HI3660_CLK_DIV_SYSBUS, "clk_div_sysbus", "clk_mux_sysbus", 1, 7, 0, }, + { HI3660_CLK_DIV_320M, "clk_div_320m", "clk_320m_pll_gt", 1, 5, 0, }, + { HI3660_CLK_DIV_A53, "clk_div_a53hpm", "clk_a53hpm_andgt", 1, 2, 0, }, + { HI3660_CLK_GATE_SPI0, "clk_gate_spi0", "clk_ppll0", 1, 8, 0, }, + { HI3660_CLK_GATE_SPI2, "clk_gate_spi2", "clk_ppll0", 1, 8, 0, }, + { HI3660_PCIEPHY_REF, "clk_pciephy_ref", "clk_div_pciephy", 1, 1, 0, }, + { HI3660_CLK_ABB_USB, "clk_abb_usb", "clk_gate_usb_tcxo_en", 1, 1, 0 }, +}; + +static const struct hisi_gate_clock hi3660_crgctrl_gate_sep_clks[] = { + { HI3660_HCLK_GATE_SDIO0, "hclk_gate_sdio0", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0x0, 21, 0, }, + { HI3660_HCLK_GATE_SD, "hclk_gate_sd", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0x0, 30, 0, }, + { HI3660_CLK_GATE_AOMM, "clk_gate_aomm", "clk_div_aomm", + CLK_SET_RATE_PARENT, 0x0, 31, 0, }, + { HI3660_PCLK_GPIO0, "pclk_gpio0", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 0, 0, }, + { HI3660_PCLK_GPIO1, "pclk_gpio1", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 1, 0, }, + { HI3660_PCLK_GPIO2, "pclk_gpio2", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 2, 0, }, + { HI3660_PCLK_GPIO3, "pclk_gpio3", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 3, 0, }, + { HI3660_PCLK_GPIO4, "pclk_gpio4", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 4, 0, }, + { HI3660_PCLK_GPIO5, "pclk_gpio5", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 5, 0, }, + { HI3660_PCLK_GPIO6, "pclk_gpio6", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 6, 0, }, + { HI3660_PCLK_GPIO7, "pclk_gpio7", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 7, 0, }, + { HI3660_PCLK_GPIO8, "pclk_gpio8", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 8, 0, }, + { HI3660_PCLK_GPIO9, "pclk_gpio9", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 9, 0, }, + { HI3660_PCLK_GPIO10, "pclk_gpio10", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 10, 0, }, + { HI3660_PCLK_GPIO11, "pclk_gpio11", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 11, 0, }, + { HI3660_PCLK_GPIO12, "pclk_gpio12", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 12, 0, }, + { HI3660_PCLK_GPIO13, "pclk_gpio13", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 13, 0, }, + { HI3660_PCLK_GPIO14, "pclk_gpio14", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 14, 0, }, + { HI3660_PCLK_GPIO15, "pclk_gpio15", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 15, 0, }, + { HI3660_PCLK_GPIO16, "pclk_gpio16", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 16, 0, }, + { HI3660_PCLK_GPIO17, "pclk_gpio17", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 17, 0, }, + { HI3660_PCLK_GPIO18, "pclk_gpio18", "clk_div_ioperi", + CLK_SET_RATE_PARENT, 0x10, 18, 0, }, + { HI3660_PCLK_GPIO19, "pclk_gpio19", "clk_div_ioperi", + CLK_SET_RATE_PARENT, 0x10, 19, 0, }, + { HI3660_PCLK_GPIO20, "pclk_gpio20", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 20, 0, }, + { HI3660_PCLK_GPIO21, "pclk_gpio21", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x10, 21, 0, }, + { HI3660_CLK_GATE_SPI3, "clk_gate_spi3", "clk_div_ioperi", + CLK_SET_RATE_PARENT, 0x10, 30, 0, }, + { HI3660_CLK_GATE_I2C7, "clk_gate_i2c7", "clk_mux_i2c", + CLK_SET_RATE_PARENT, 0x10, 31, 0, }, + { HI3660_CLK_GATE_I2C3, "clk_gate_i2c3", "clk_mux_i2c", + CLK_SET_RATE_PARENT, 0x20, 7, 0, }, + { HI3660_CLK_GATE_SPI1, "clk_gate_spi1", "clk_mux_spi", + CLK_SET_RATE_PARENT, 0x20, 9, 0, }, + { HI3660_CLK_GATE_UART1, "clk_gate_uart1", "clk_mux_uarth", + CLK_SET_RATE_PARENT, 0x20, 11, 0, }, + { HI3660_CLK_GATE_UART2, "clk_gate_uart2", "clk_mux_uart1", + CLK_SET_RATE_PARENT, 0x20, 12, 0, }, + { HI3660_CLK_GATE_UART4, "clk_gate_uart4", "clk_mux_uarth", + CLK_SET_RATE_PARENT, 0x20, 14, 0, }, + { HI3660_CLK_GATE_UART5, "clk_gate_uart5", "clk_mux_uart1", + CLK_SET_RATE_PARENT, 0x20, 15, 0, }, + { HI3660_CLK_GATE_I2C4, "clk_gate_i2c4", "clk_mux_i2c", + CLK_SET_RATE_PARENT, 0x20, 27, 0, }, + { HI3660_CLK_GATE_DMAC, "clk_gate_dmac", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0x30, 1, 0, }, + { HI3660_PCLK_GATE_DSS, "pclk_gate_dss", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x30, 12, 0, }, + { HI3660_ACLK_GATE_DSS, "aclk_gate_dss", "clk_gate_vivobus", + CLK_SET_RATE_PARENT, 0x30, 13, 0, }, + { HI3660_CLK_GATE_LDI1, "clk_gate_ldi1", "clk_div_ldi1", + CLK_SET_RATE_PARENT, 0x30, 14, 0, }, + { HI3660_CLK_GATE_LDI0, "clk_gate_ldi0", "clk_div_ldi0", + CLK_SET_RATE_PARENT, 0x30, 15, 0, }, + { HI3660_CLK_GATE_VIVOBUS, "clk_gate_vivobus", "clk_div_vivobus", + CLK_SET_RATE_PARENT, 0x30, 16, 0, }, + { HI3660_CLK_GATE_EDC0, "clk_gate_edc0", "clk_div_edc0", + CLK_SET_RATE_PARENT, 0x30, 17, 0, }, + { HI3660_CLK_GATE_TXDPHY0_CFG, "clk_gate_txdphy0_cfg", "clkin_sys", + CLK_SET_RATE_PARENT, 0x30, 28, 0, }, + { HI3660_CLK_GATE_TXDPHY0_REF, "clk_gate_txdphy0_ref", "clkin_sys", + CLK_SET_RATE_PARENT, 0x30, 29, 0, }, + { HI3660_CLK_GATE_TXDPHY1_CFG, "clk_gate_txdphy1_cfg", "clkin_sys", + CLK_SET_RATE_PARENT, 0x30, 30, 0, }, + { HI3660_CLK_GATE_TXDPHY1_REF, "clk_gate_txdphy1_ref", "clkin_sys", + CLK_SET_RATE_PARENT, 0x30, 31, 0, }, + { HI3660_ACLK_GATE_USB3OTG, "aclk_gate_usb3otg", "clk_div_mmc0bus", + CLK_SET_RATE_PARENT, 0x40, 1, 0, }, + { HI3660_CLK_GATE_SPI4, "clk_gate_spi4", "clk_mux_spi", + CLK_SET_RATE_PARENT, 0x40, 4, 0, }, + { HI3660_CLK_GATE_SD, "clk_gate_sd", "clk_mux_sd_sys", + CLK_SET_RATE_PARENT, 0x40, 17, 0, }, + { HI3660_CLK_GATE_SDIO0, "clk_gate_sdio0", "clk_mux_sdio_sys", + CLK_SET_RATE_PARENT, 0x40, 19, 0, }, + { HI3660_CLK_GATE_UFS_SUBSYS, "clk_gate_ufs_subsys", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0x50, 21, 0, }, + { HI3660_PCLK_GATE_DSI0, "pclk_gate_dsi0", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x50, 28, 0, }, + { HI3660_PCLK_GATE_DSI1, "pclk_gate_dsi1", "clk_div_cfgbus", + CLK_SET_RATE_PARENT, 0x50, 29, 0, }, + { HI3660_ACLK_GATE_PCIE, "aclk_gate_pcie", "clk_div_mmc1bus", + CLK_SET_RATE_PARENT, 0x420, 5, 0, }, + { HI3660_PCLK_GATE_PCIE_SYS, "pclk_gate_pcie_sys", "clk_div_mmc1bus", + CLK_SET_RATE_PARENT, 0x420, 7, 0, }, + { HI3660_CLK_GATE_PCIEAUX, "clk_gate_pcieaux", "clkin_sys", + CLK_SET_RATE_PARENT, 0x420, 8, 0, }, + { HI3660_PCLK_GATE_PCIE_PHY, "pclk_gate_pcie_phy", "clk_div_mmc1bus", + CLK_SET_RATE_PARENT, 0x420, 9, 0, }, +}; + +static const struct hisi_gate_clock hi3660_crgctrl_gate_clks[] = { + { HI3660_CLK_ANDGT_LDI0, "clk_andgt_ldi0", "clk_mux_ldi0", + CLK_SET_RATE_PARENT, 0xf0, 6, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_LDI1, "clk_andgt_ldi1", "clk_mux_ldi1", + CLK_SET_RATE_PARENT, 0xf0, 7, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_EDC0, "clk_andgt_edc0", "clk_mux_edc0", + CLK_SET_RATE_PARENT, 0xf0, 8, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_GATE_UFSPHY_GT, "clk_gate_ufsphy_gt", "clk_div_ufsperi", + CLK_SET_RATE_PARENT, 0xf4, 1, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_MMC, "clk_andgt_mmc", "clk_mux_mmc_pll", + CLK_SET_RATE_PARENT, 0xf4, 2, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_SD, "clk_andgt_sd", "clk_mux_sd_pll", + CLK_SET_RATE_PARENT, 0xf4, 3, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_A53HPM_ANDGT, "clk_a53hpm_andgt", "clk_mux_a53hpm", + CLK_SET_RATE_PARENT, 0xf4, 7, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_SDIO, "clk_andgt_sdio", "clk_mux_sdio_pll", + CLK_SET_RATE_PARENT, 0xf4, 8, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_UART0, "clk_andgt_uart0", "clk_div_320m", + CLK_SET_RATE_PARENT, 0xf4, 9, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_UART1, "clk_andgt_uart1", "clk_div_320m", + CLK_SET_RATE_PARENT, 0xf4, 10, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_UARTH, "clk_andgt_uarth", "clk_div_320m", + CLK_SET_RATE_PARENT, 0xf4, 11, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_ANDGT_SPI, "clk_andgt_spi", "clk_div_320m", + CLK_SET_RATE_PARENT, 0xf4, 13, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_VIVOBUS_ANDGT, "clk_vivobus_andgt", "clk_mux_vivobus", + CLK_SET_RATE_PARENT, 0xf8, 1, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_AOMM_ANDGT, "clk_aomm_andgt", "clk_ppll2", + CLK_SET_RATE_PARENT, 0xf8, 3, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_320M_PLL_GT, "clk_320m_pll_gt", "clk_mux_320m", + CLK_SET_RATE_PARENT, 0xf8, 10, 0, }, + { HI3660_AUTODIV_EMMC0BUS, "autodiv_emmc0bus", "autodiv_sysbus", + CLK_SET_RATE_PARENT, 0x404, 1, CLK_GATE_HIWORD_MASK, }, + { HI3660_AUTODIV_SYSBUS, "autodiv_sysbus", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0x404, 5, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_GATE_UFSPHY_CFG, "clk_gate_ufsphy_cfg", + "clk_div_ufsphy_cfg", CLK_SET_RATE_PARENT, 0x420, 12, 0, }, + { HI3660_CLK_GATE_UFSIO_REF, "clk_gate_ufsio_ref", + "clk_gate_ufs_tcxo_en", CLK_SET_RATE_PARENT, 0x420, 14, 0, }, +}; + +static const char *const +clk_mux_sdio_sys_p[] = {"clk_factor_mmc", "clk_div_sdio",}; +static const char *const +clk_mux_sd_sys_p[] = {"clk_factor_mmc", "clk_div_sd",}; +static const char *const +clk_mux_pll_p[] = {"clk_ppll0", "clk_ppll1", "clk_ppll2", "clk_ppll2",}; +static const char *const +clk_mux_pll0123_p[] = {"clk_ppll0", "clk_ppll1", "clk_ppll2", "clk_ppll3",}; +static const char *const +clk_mux_edc0_p[] = {"clk_inv", "clk_ppll0", "clk_ppll1", "clk_inv", + "clk_ppll2", "clk_inv", "clk_inv", "clk_inv", + "clk_ppll3", "clk_inv", "clk_inv", "clk_inv", + "clk_inv", "clk_inv", "clk_inv", "clk_inv",}; +static const char *const +clk_mux_ldi0_p[] = {"clk_inv", "clk_ppll0", "clk_ppll2", "clk_inv", + "clk_ppll1", "clk_inv", "clk_inv", "clk_inv", + "clk_ppll3", "clk_inv", "clk_inv", "clk_inv", + "clk_inv", "clk_inv", "clk_inv", "clk_inv",}; +static const char *const +clk_mux_uart0_p[] = {"clkin_sys", "clk_div_uart0",}; +static const char *const +clk_mux_uart1_p[] = {"clkin_sys", "clk_div_uart1",}; +static const char *const +clk_mux_uarth_p[] = {"clkin_sys", "clk_div_uarth",}; +static const char *const +clk_mux_pll02p[] = {"clk_ppll0", "clk_ppll2",}; +static const char *const +clk_mux_ioperi_p[] = {"clk_div_320m", "clk_div_a53hpm",}; +static const char *const +clk_mux_spi_p[] = {"clkin_sys", "clk_div_spi",}; +static const char *const +clk_mux_i2c_p[] = {"clkin_sys", "clk_div_i2c",}; + +static const struct hisi_mux_clock hi3660_crgctrl_mux_clks[] = { + { HI3660_CLK_MUX_SYSBUS, "clk_mux_sysbus", clk_mux_sdio_sys_p, + ARRAY_SIZE(clk_mux_sdio_sys_p), CLK_SET_RATE_PARENT, 0xac, 0, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_UART0, "clk_mux_uart0", clk_mux_uart0_p, + ARRAY_SIZE(clk_mux_uart0_p), CLK_SET_RATE_PARENT, 0xac, 2, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_UART1, "clk_mux_uart1", clk_mux_uart1_p, + ARRAY_SIZE(clk_mux_uart1_p), CLK_SET_RATE_PARENT, 0xac, 3, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_UARTH, "clk_mux_uarth", clk_mux_uarth_p, + ARRAY_SIZE(clk_mux_uarth_p), CLK_SET_RATE_PARENT, 0xac, 4, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_SPI, "clk_mux_spi", clk_mux_spi_p, + ARRAY_SIZE(clk_mux_spi_p), CLK_SET_RATE_PARENT, 0xac, 8, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_I2C, "clk_mux_i2c", clk_mux_i2c_p, + ARRAY_SIZE(clk_mux_i2c_p), CLK_SET_RATE_PARENT, 0xac, 13, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_MMC_PLL, "clk_mux_mmc_pll", clk_mux_pll02p, + ARRAY_SIZE(clk_mux_pll02p), CLK_SET_RATE_PARENT, 0xb4, 0, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_LDI1, "clk_mux_ldi1", clk_mux_ldi0_p, + ARRAY_SIZE(clk_mux_ldi0_p), CLK_SET_RATE_PARENT, 0xb4, 8, 4, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_LDI0, "clk_mux_ldi0", clk_mux_ldi0_p, + ARRAY_SIZE(clk_mux_ldi0_p), CLK_SET_RATE_PARENT, 0xb4, 12, 4, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_SD_PLL, "clk_mux_sd_pll", clk_mux_pll_p, + ARRAY_SIZE(clk_mux_pll_p), CLK_SET_RATE_PARENT, 0xb8, 4, 2, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_SD_SYS, "clk_mux_sd_sys", clk_mux_sd_sys_p, + ARRAY_SIZE(clk_mux_sd_sys_p), CLK_SET_RATE_PARENT, 0xb8, 6, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_EDC0, "clk_mux_edc0", clk_mux_edc0_p, + ARRAY_SIZE(clk_mux_edc0_p), CLK_SET_RATE_PARENT, 0xbc, 6, 4, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_SDIO_SYS, "clk_mux_sdio_sys", clk_mux_sdio_sys_p, + ARRAY_SIZE(clk_mux_sdio_sys_p), CLK_SET_RATE_PARENT, 0xc0, 6, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_SDIO_PLL, "clk_mux_sdio_pll", clk_mux_pll_p, + ARRAY_SIZE(clk_mux_pll_p), CLK_SET_RATE_PARENT, 0xc0, 4, 2, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_VIVOBUS, "clk_mux_vivobus", clk_mux_pll0123_p, + ARRAY_SIZE(clk_mux_pll0123_p), CLK_SET_RATE_PARENT, 0xd0, 12, 2, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_A53HPM, "clk_mux_a53hpm", clk_mux_pll02p, + ARRAY_SIZE(clk_mux_pll02p), CLK_SET_RATE_PARENT, 0xd4, 9, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_320M, "clk_mux_320m", clk_mux_pll02p, + ARRAY_SIZE(clk_mux_pll02p), CLK_SET_RATE_PARENT, 0x100, 0, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_MUX_IOPERI, "clk_mux_ioperi", clk_mux_ioperi_p, + ARRAY_SIZE(clk_mux_ioperi_p), CLK_SET_RATE_PARENT, 0x108, 10, 1, + CLK_MUX_HIWORD_MASK, }, +}; + +static const struct hisi_divider_clock hi3660_crgctrl_divider_clks[] = { + { HI3660_CLK_DIV_UART0, "clk_div_uart0", "clk_andgt_uart0", + CLK_SET_RATE_PARENT, 0xb0, 4, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_UART1, "clk_div_uart1", "clk_andgt_uart1", + CLK_SET_RATE_PARENT, 0xb0, 8, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_UARTH, "clk_div_uarth", "clk_andgt_uarth", + CLK_SET_RATE_PARENT, 0xb0, 12, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_MMC, "clk_div_mmc", "clk_andgt_mmc", + CLK_SET_RATE_PARENT, 0xb4, 3, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_SD, "clk_div_sd", "clk_andgt_sd", + CLK_SET_RATE_PARENT, 0xb8, 0, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_EDC0, "clk_div_edc0", "clk_andgt_edc0", + CLK_SET_RATE_PARENT, 0xbc, 0, 6, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_LDI0, "clk_div_ldi0", "clk_andgt_ldi0", + CLK_SET_RATE_PARENT, 0xbc, 10, 6, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_SDIO, "clk_div_sdio", "clk_andgt_sdio", + CLK_SET_RATE_PARENT, 0xc0, 0, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_LDI1, "clk_div_ldi1", "clk_andgt_ldi1", + CLK_SET_RATE_PARENT, 0xc0, 8, 6, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_SPI, "clk_div_spi", "clk_andgt_spi", + CLK_SET_RATE_PARENT, 0xc4, 12, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_VIVOBUS, "clk_div_vivobus", "clk_vivobus_andgt", + CLK_SET_RATE_PARENT, 0xd0, 7, 5, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_I2C, "clk_div_i2c", "clk_div_320m", + CLK_SET_RATE_PARENT, 0xe8, 4, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_UFSPHY, "clk_div_ufsphy_cfg", "clk_gate_ufsphy_gt", + CLK_SET_RATE_PARENT, 0xe8, 9, 2, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_CFGBUS, "clk_div_cfgbus", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0xec, 0, 2, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_MMC0BUS, "clk_div_mmc0bus", "autodiv_emmc0bus", + CLK_SET_RATE_PARENT, 0xec, 2, 1, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_MMC1BUS, "clk_div_mmc1bus", "clk_div_sysbus", + CLK_SET_RATE_PARENT, 0xec, 3, 1, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_UFSPERI, "clk_div_ufsperi", "clk_gate_ufs_subsys", + CLK_SET_RATE_PARENT, 0xec, 14, 1, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_AOMM, "clk_div_aomm", "clk_aomm_andgt", + CLK_SET_RATE_PARENT, 0x100, 7, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_IOPERI, "clk_div_ioperi", "clk_mux_ioperi", + CLK_SET_RATE_PARENT, 0x108, 11, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, +}; + +/* clk_pmuctrl */ +/* pmu register need shift 2 bits */ +static const struct hisi_gate_clock hi3660_pmu_gate_clks[] = { + { HI3660_GATE_ABB_192, "clk_gate_abb_192", "clkin_sys", + CLK_SET_RATE_PARENT, (0x10a << 2), 3, 0, }, +}; + +/* clk_pctrl */ +static const struct hisi_gate_clock hi3660_pctrl_gate_clks[] = { + { HI3660_GATE_UFS_TCXO_EN, "clk_gate_ufs_tcxo_en", + "clk_gate_abb_192", CLK_SET_RATE_PARENT, 0x10, 0, + CLK_GATE_HIWORD_MASK, }, + { HI3660_GATE_USB_TCXO_EN, "clk_gate_usb_tcxo_en", "clk_gate_abb_192", + CLK_SET_RATE_PARENT, 0x10, 1, CLK_GATE_HIWORD_MASK, }, +}; + +/* clk_sctrl */ +static const struct hisi_gate_clock hi3660_sctrl_gate_sep_clks[] = { + { HI3660_PCLK_AO_GPIO0, "pclk_ao_gpio0", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 11, 0, }, + { HI3660_PCLK_AO_GPIO1, "pclk_ao_gpio1", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 12, 0, }, + { HI3660_PCLK_AO_GPIO2, "pclk_ao_gpio2", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 13, 0, }, + { HI3660_PCLK_AO_GPIO3, "pclk_ao_gpio3", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 14, 0, }, + { HI3660_PCLK_AO_GPIO4, "pclk_ao_gpio4", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 21, 0, }, + { HI3660_PCLK_AO_GPIO5, "pclk_ao_gpio5", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 22, 0, }, + { HI3660_PCLK_AO_GPIO6, "pclk_ao_gpio6", "clk_div_aobus", + CLK_SET_RATE_PARENT, 0x160, 25, 0, }, + { HI3660_PCLK_GATE_MMBUF, "pclk_gate_mmbuf", "pclk_div_mmbuf", + CLK_SET_RATE_PARENT, 0x170, 23, 0, }, + { HI3660_CLK_GATE_DSS_AXI_MM, "clk_gate_dss_axi_mm", "aclk_mux_mmbuf", + CLK_SET_RATE_PARENT, 0x170, 24, 0, }, +}; + +static const struct hisi_gate_clock hi3660_sctrl_gate_clks[] = { + { HI3660_PCLK_MMBUF_ANDGT, "pclk_mmbuf_andgt", "clk_sw_mmbuf", + CLK_SET_RATE_PARENT, 0x258, 7, CLK_GATE_HIWORD_MASK, }, + { HI3660_CLK_MMBUF_PLL_ANDGT, "clk_mmbuf_pll_andgt", "clk_ppll0", + CLK_SET_RATE_PARENT, 0x260, 11, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_FLL_MMBUF_ANDGT, "clk_fll_mmbuf_andgt", "clk_fll_src", + CLK_SET_RATE_PARENT, 0x260, 12, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_SYS_MMBUF_ANDGT, "clk_sys_mmbuf_andgt", "clkin_sys", + CLK_SET_RATE_PARENT, 0x260, 13, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_GATE_PCIEPHY_GT, "clk_gate_pciephy_gt", "clk_ppll0", + CLK_SET_RATE_PARENT, 0x268, 11, CLK_DIVIDER_HIWORD_MASK, 0, }, +}; + +static const char *const +aclk_mux_mmbuf_p[] = {"aclk_div_mmbuf", "clk_gate_aomm",}; +static const char *const +clk_sw_mmbuf_p[] = {"clk_sys_mmbuf_andgt", "clk_fll_mmbuf_andgt", + "aclk_mux_mmbuf", "aclk_mux_mmbuf"}; + +static const struct hisi_mux_clock hi3660_sctrl_mux_clks[] = { + { HI3660_ACLK_MUX_MMBUF, "aclk_mux_mmbuf", aclk_mux_mmbuf_p, + ARRAY_SIZE(aclk_mux_mmbuf_p), CLK_SET_RATE_PARENT, 0x250, 12, 1, + CLK_MUX_HIWORD_MASK, }, + { HI3660_CLK_SW_MMBUF, "clk_sw_mmbuf", clk_sw_mmbuf_p, + ARRAY_SIZE(clk_sw_mmbuf_p), CLK_SET_RATE_PARENT, 0x258, 8, 2, + CLK_MUX_HIWORD_MASK, }, +}; + +static const struct hisi_divider_clock hi3660_sctrl_divider_clks[] = { + { HI3660_CLK_DIV_AOBUS, "clk_div_aobus", "clk_ppll0", + CLK_SET_RATE_PARENT, 0x254, 0, 6, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_PCLK_DIV_MMBUF, "pclk_div_mmbuf", "pclk_mmbuf_andgt", + CLK_SET_RATE_PARENT, 0x258, 10, 2, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_ACLK_DIV_MMBUF, "aclk_div_mmbuf", "clk_mmbuf_pll_andgt", + CLK_SET_RATE_PARENT, 0x258, 12, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, + { HI3660_CLK_DIV_PCIEPHY, "clk_div_pciephy", "clk_gate_pciephy_gt", + CLK_SET_RATE_PARENT, 0x268, 12, 4, CLK_DIVIDER_HIWORD_MASK, 0, }, +}; + +/* clk_iomcu */ +static const struct hisi_gate_clock hi3660_iomcu_gate_sep_clks[] = { + { HI3660_CLK_I2C0_IOMCU, "clk_i2c0_iomcu", "clk_fll_src", + CLK_SET_RATE_PARENT, 0x10, 3, 0, }, + { HI3660_CLK_I2C1_IOMCU, "clk_i2c1_iomcu", "clk_fll_src", + CLK_SET_RATE_PARENT, 0x10, 4, 0, }, + { HI3660_CLK_I2C2_IOMCU, "clk_i2c2_iomcu", "clk_fll_src", + CLK_SET_RATE_PARENT, 0x10, 5, 0, }, + { HI3660_CLK_I2C6_IOMCU, "clk_i2c6_iomcu", "clk_fll_src", + CLK_SET_RATE_PARENT, 0x10, 27, 0, }, + { HI3660_CLK_IOMCU_PERI0, "iomcu_peri0", "clk_ppll0", + CLK_SET_RATE_PARENT, 0x90, 0, 0, }, +}; + +static void hi3660_clk_iomcu_init(struct device_node *np) +{ + struct hisi_clock_data *clk_data; + int nr = ARRAY_SIZE(hi3660_iomcu_gate_sep_clks); + + clk_data = hisi_clk_init(np, nr); + if (!clk_data) + return; + + hisi_clk_register_gate_sep(hi3660_iomcu_gate_sep_clks, + ARRAY_SIZE(hi3660_iomcu_gate_sep_clks), + clk_data); +} + +static void hi3660_clk_pmuctrl_init(struct device_node *np) +{ + struct hisi_clock_data *clk_data; + int nr = ARRAY_SIZE(hi3660_pmu_gate_clks); + + clk_data = hisi_clk_init(np, nr); + if (!clk_data) + return; + + hisi_clk_register_gate(hi3660_pmu_gate_clks, + ARRAY_SIZE(hi3660_pmu_gate_clks), clk_data); +} + +static void hi3660_clk_pctrl_init(struct device_node *np) +{ + struct hisi_clock_data *clk_data; + int nr = ARRAY_SIZE(hi3660_pctrl_gate_clks); + + clk_data = hisi_clk_init(np, nr); + if (!clk_data) + return; + hisi_clk_register_gate(hi3660_pctrl_gate_clks, + ARRAY_SIZE(hi3660_pctrl_gate_clks), clk_data); +} + +static void hi3660_clk_sctrl_init(struct device_node *np) +{ + struct hisi_clock_data *clk_data; + int nr = ARRAY_SIZE(hi3660_sctrl_gate_clks) + + ARRAY_SIZE(hi3660_sctrl_gate_sep_clks) + + ARRAY_SIZE(hi3660_sctrl_mux_clks) + + ARRAY_SIZE(hi3660_sctrl_divider_clks); + + clk_data = hisi_clk_init(np, nr); + if (!clk_data) + return; + hisi_clk_register_gate(hi3660_sctrl_gate_clks, + ARRAY_SIZE(hi3660_sctrl_gate_clks), clk_data); + hisi_clk_register_gate_sep(hi3660_sctrl_gate_sep_clks, + ARRAY_SIZE(hi3660_sctrl_gate_sep_clks), + clk_data); + hisi_clk_register_mux(hi3660_sctrl_mux_clks, + ARRAY_SIZE(hi3660_sctrl_mux_clks), clk_data); + hisi_clk_register_divider(hi3660_sctrl_divider_clks, + ARRAY_SIZE(hi3660_sctrl_divider_clks), + clk_data); +} + +static void hi3660_clk_crgctrl_init(struct device_node *np) +{ + struct hisi_clock_data *clk_data; + int nr = ARRAY_SIZE(hi3660_fixed_rate_clks) + + ARRAY_SIZE(hi3660_crgctrl_gate_sep_clks) + + ARRAY_SIZE(hi3660_crgctrl_gate_clks) + + ARRAY_SIZE(hi3660_crgctrl_mux_clks) + + ARRAY_SIZE(hi3660_crg_fixed_factor_clks) + + ARRAY_SIZE(hi3660_crgctrl_divider_clks); + + clk_data = hisi_clk_init(np, nr); + if (!clk_data) + return; + + hisi_clk_register_fixed_rate(hi3660_fixed_rate_clks, + ARRAY_SIZE(hi3660_fixed_rate_clks), + clk_data); + hisi_clk_register_gate_sep(hi3660_crgctrl_gate_sep_clks, + ARRAY_SIZE(hi3660_crgctrl_gate_sep_clks), + clk_data); + hisi_clk_register_gate(hi3660_crgctrl_gate_clks, + ARRAY_SIZE(hi3660_crgctrl_gate_clks), + clk_data); + hisi_clk_register_mux(hi3660_crgctrl_mux_clks, + ARRAY_SIZE(hi3660_crgctrl_mux_clks), + clk_data); + hisi_clk_register_fixed_factor(hi3660_crg_fixed_factor_clks, + ARRAY_SIZE(hi3660_crg_fixed_factor_clks), + clk_data); + hisi_clk_register_divider(hi3660_crgctrl_divider_clks, + ARRAY_SIZE(hi3660_crgctrl_divider_clks), + clk_data); +} + +static const struct of_device_id hi3660_clk_match_table[] = { + { .compatible = "hisilicon,hi3660-crgctrl", + .data = hi3660_clk_crgctrl_init }, + { .compatible = "hisilicon,hi3660-pctrl", + .data = hi3660_clk_pctrl_init }, + { .compatible = "hisilicon,hi3660-pmuctrl", + .data = hi3660_clk_pmuctrl_init }, + { .compatible = "hisilicon,hi3660-sctrl", + .data = hi3660_clk_sctrl_init }, + { .compatible = "hisilicon,hi3660-iomcu", + .data = hi3660_clk_iomcu_init }, + { } +}; + +static int hi3660_clk_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = pdev->dev.of_node; + void (*init_func)(struct device_node *np); + + init_func = of_device_get_match_data(dev); + if (!init_func) + return -ENODEV; + + init_func(np); + + return 0; +} + +static struct platform_driver hi3660_clk_driver = { + .probe = hi3660_clk_probe, + .driver = { + .name = "hi3660-clk", + .of_match_table = hi3660_clk_match_table, + }, +}; + +static int __init hi3660_clk_init(void) +{ + return platform_driver_register(&hi3660_clk_driver); +} +core_initcall(hi3660_clk_init); diff --git a/drivers/clk/hisilicon/clkgate-separated.c b/drivers/clk/hisilicon/clkgate-separated.c index a47812f56a17..7908bc3c9ec7 100644 --- a/drivers/clk/hisilicon/clkgate-separated.c +++ b/drivers/clk/hisilicon/clkgate-separated.c @@ -120,6 +120,7 @@ struct clk *hisi_register_clkgate_sep(struct device *dev, const char *name, sclk->bit_idx = bit_idx; sclk->flags = clk_gate_flags; sclk->hw.init = &init; + sclk->lock = lock; clk = clk_register(dev, &sclk->hw); if (IS_ERR(clk)) diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index 42ffc1c92bab..c07df719b8a3 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -592,15 +592,20 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) imx6q_mmdc_ch1_mask_handshake(base); - /* - * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware - * bug. Set the muxes to the requested values before registering the - * ldb_di_sel clocks. - */ - init_ldb_clks(np, base); + if (clk_on_imx6qp()) { + clk[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT); + clk[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT); + } else { + /* + * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware + * bug. Set the muxes to the requested values before registering the + * ldb_di_sel clocks. + */ + init_ldb_clks(np, base); - clk[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_mux_ldb("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); - clk[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_mux_ldb("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); + clk[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_mux_ldb("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); + clk[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_mux_ldb("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); + } clk[IMX6QDL_CLK_IPU1_DI0_PRE_SEL] = imx_clk_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index e7c7353a86fc..ae1d31be906e 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -803,6 +803,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_DRAM_PHYM_ROOT_CLK] = imx_clk_gate4("dram_phym_root_clk", "dram_phym_cg", base + 0x4130, 0); clks[IMX7D_DRAM_PHYM_ALT_ROOT_CLK] = imx_clk_gate4("dram_phym_alt_root_clk", "dram_phym_alt_post_div", base + 0x4130, 0); clks[IMX7D_DRAM_ALT_ROOT_CLK] = imx_clk_gate4("dram_alt_root_clk", "dram_alt_post_div", base + 0x4130, 0); + clks[IMX7D_OCOTP_CLK] = imx_clk_gate4("ocotp_clk", "ipg_root_clk", base + 0x4230, 0); clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4420, 0); clks[IMX7D_SDMA_CORE_CLK] = imx_clk_gate4("sdma_root_clk", "ahb_root_clk", base + 0x4480, 0); clks[IMX7D_PCIE_CTRL_ROOT_CLK] = imx_clk_gate4("pcie_ctrl_root_clk", "pcie_ctrl_post_div", base + 0x4600, 0); diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index ed3a2df536ea..f1099167ba31 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -21,6 +21,9 @@ #define PLL_NUM_OFFSET 0x10 #define PLL_DENOM_OFFSET 0x20 +#define PLL_VF610_NUM_OFFSET 0x20 +#define PLL_VF610_DENOM_OFFSET 0x30 + #define BM_PLL_POWER (0x1 << 12) #define BM_PLL_LOCK (0x1 << 31) #define IMX7_ENET_PLL_POWER (0x1 << 5) @@ -300,6 +303,99 @@ static const struct clk_ops clk_pllv3_av_ops = { .set_rate = clk_pllv3_av_set_rate, }; +struct clk_pllv3_vf610_mf { + u32 mfi; /* integer part, can be 20 or 22 */ + u32 mfn; /* numerator, 30-bit value */ + u32 mfd; /* denominator, 30-bit value, must be less than mfn */ +}; + +static unsigned long clk_pllv3_vf610_mf_to_rate(unsigned long parent_rate, + struct clk_pllv3_vf610_mf mf) +{ + u64 temp64; + + temp64 = parent_rate; + temp64 *= mf.mfn; + do_div(temp64, mf.mfd); + + return (parent_rate * mf.mfi) + temp64; +} + +static struct clk_pllv3_vf610_mf clk_pllv3_vf610_rate_to_mf( + unsigned long parent_rate, unsigned long rate) +{ + struct clk_pllv3_vf610_mf mf; + u64 temp64; + + mf.mfi = (rate >= 22 * parent_rate) ? 22 : 20; + mf.mfd = 0x3fffffff; /* use max supported value for best accuracy */ + + if (rate <= parent_rate * mf.mfi) + mf.mfn = 0; + else if (rate >= parent_rate * (mf.mfi + 1)) + mf.mfn = mf.mfd - 1; + else { + /* rate = parent_rate * (mfi + mfn/mfd) */ + temp64 = rate - parent_rate * mf.mfi; + temp64 *= mf.mfd; + do_div(temp64, parent_rate); + mf.mfn = temp64; + } + + return mf; +} + +static unsigned long clk_pllv3_vf610_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_pllv3 *pll = to_clk_pllv3(hw); + struct clk_pllv3_vf610_mf mf; + + mf.mfn = readl_relaxed(pll->base + PLL_VF610_NUM_OFFSET); + mf.mfd = readl_relaxed(pll->base + PLL_VF610_DENOM_OFFSET); + mf.mfi = (readl_relaxed(pll->base) & pll->div_mask) ? 22 : 20; + + return clk_pllv3_vf610_mf_to_rate(parent_rate, mf); +} + +static long clk_pllv3_vf610_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_pllv3_vf610_mf mf = clk_pllv3_vf610_rate_to_mf(*prate, rate); + + return clk_pllv3_vf610_mf_to_rate(*prate, mf); +} + +static int clk_pllv3_vf610_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_pllv3 *pll = to_clk_pllv3(hw); + struct clk_pllv3_vf610_mf mf = + clk_pllv3_vf610_rate_to_mf(parent_rate, rate); + u32 val; + + val = readl_relaxed(pll->base); + if (mf.mfi == 20) + val &= ~pll->div_mask; /* clear bit for mfi=20 */ + else + val |= pll->div_mask; /* set bit for mfi=22 */ + writel_relaxed(val, pll->base); + + writel_relaxed(mf.mfn, pll->base + PLL_VF610_NUM_OFFSET); + writel_relaxed(mf.mfd, pll->base + PLL_VF610_DENOM_OFFSET); + + return clk_pllv3_wait_lock(pll); +} + +static const struct clk_ops clk_pllv3_vf610_ops = { + .prepare = clk_pllv3_prepare, + .unprepare = clk_pllv3_unprepare, + .is_prepared = clk_pllv3_is_prepared, + .recalc_rate = clk_pllv3_vf610_recalc_rate, + .round_rate = clk_pllv3_vf610_round_rate, + .set_rate = clk_pllv3_vf610_set_rate, +}; + static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -334,6 +430,9 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, case IMX_PLLV3_SYS: ops = &clk_pllv3_sys_ops; break; + case IMX_PLLV3_SYS_VF610: + ops = &clk_pllv3_vf610_ops; + break; case IMX_PLLV3_USB_VF610: pll->div_shift = 1; case IMX_PLLV3_USB: diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c index 0476353ab423..59b1863deb88 100644 --- a/drivers/clk/imx/clk-vf610.c +++ b/drivers/clk/imx/clk-vf610.c @@ -219,8 +219,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", PLL6_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); clk[VF610_CLK_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", PLL7_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); - clk[VF610_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll1", "pll1_bypass_src", PLL1_CTRL, 0x1); - clk[VF610_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "pll2_bypass_src", PLL2_CTRL, 0x1); + clk[VF610_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS_VF610, "pll1", "pll1_bypass_src", PLL1_CTRL, 0x1); + clk[VF610_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_SYS_VF610, "pll2", "pll2_bypass_src", PLL2_CTRL, 0x1); clk[VF610_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB_VF610, "pll3", "pll3_bypass_src", PLL3_CTRL, 0x2); clk[VF610_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "pll4_bypass_src", PLL4_CTRL, 0x7f); clk[VF610_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll5", "pll5_bypass_src", PLL5_CTRL, 0x3); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 4afad3b96a61..e1f5e425db73 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -34,6 +34,7 @@ enum imx_pllv3_type { IMX_PLLV3_AV, IMX_PLLV3_ENET, IMX_PLLV3_ENET_IMX7, + IMX_PLLV3_SYS_VF610, }; struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 0bd631a41f6a..a01ef7806aed 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -8,52 +8,53 @@ config COMMON_CLK_MEDIATEK config COMMON_CLK_MT2701 bool "Clock driver for Mediatek MT2701" + depends on (ARCH_MEDIATEK && ARM) || COMPILE_TEST select COMMON_CLK_MEDIATEK - default ARCH_MEDIATEK + default ARCH_MEDIATEK && ARM ---help--- This driver supports Mediatek MT2701 basic clocks. config COMMON_CLK_MT2701_MMSYS bool "Clock driver for Mediatek MT2701 mmsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 mmsys clocks. config COMMON_CLK_MT2701_IMGSYS bool "Clock driver for Mediatek MT2701 imgsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 imgsys clocks. config COMMON_CLK_MT2701_VDECSYS bool "Clock driver for Mediatek MT2701 vdecsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 vdecsys clocks. config COMMON_CLK_MT2701_HIFSYS bool "Clock driver for Mediatek MT2701 hifsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 hifsys clocks. config COMMON_CLK_MT2701_ETHSYS bool "Clock driver for Mediatek MT2701 ethsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 ethsys clocks. config COMMON_CLK_MT2701_BDPSYS bool "Clock driver for Mediatek MT2701 bdpsys" - select COMMON_CLK_MT2701 + depends on COMMON_CLK_MT2701 ---help--- This driver supports Mediatek MT2701 bdpsys clocks. config COMMON_CLK_MT8135 bool "Clock driver for Mediatek MT8135" - depends on ARCH_MEDIATEK || COMPILE_TEST + depends on (ARCH_MEDIATEK && ARM) || COMPILE_TEST select COMMON_CLK_MEDIATEK - default ARCH_MEDIATEK + default ARCH_MEDIATEK && ARM ---help--- This driver supports Mediatek MT8135 clocks. diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 3f1be46cbb33..888494d4fb8a 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -607,7 +607,6 @@ static int meson8b_clkc_probe(struct platform_device *pdev) /* Populate the base address for the MPEG clks */ meson8b_mpeg_clk_sel.reg = clk_base + (u32)meson8b_mpeg_clk_sel.reg; meson8b_mpeg_clk_div.reg = clk_base + (u32)meson8b_mpeg_clk_div.reg; - meson8b_clk81.reg = clk_base + (u32)meson8b_clk81.reg; /* Populate base address for gates */ for (i = 0; i < ARRAY_SIZE(meson8b_clk_gates); i++) diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c index 8181b919f062..f17702107ac5 100644 --- a/drivers/clk/mvebu/ap806-system-controller.c +++ b/drivers/clk/mvebu/ap806-system-controller.c @@ -55,21 +55,39 @@ static int ap806_syscon_clk_probe(struct platform_device *pdev) freq_mode = reg & AP806_SAR_CLKFREQ_MODE_MASK; switch (freq_mode) { - case 0x0 ... 0x5: + case 0x0: + case 0x1: cpuclk_freq = 2000; break; - case 0x6 ... 0xB: + case 0x6: + case 0x7: cpuclk_freq = 1800; break; - case 0xC ... 0x11: + case 0x4: + case 0xB: + case 0xD: cpuclk_freq = 1600; break; - case 0x12 ... 0x16: + case 0x1a: cpuclk_freq = 1400; break; - case 0x17 ... 0x19: + case 0x14: + case 0x17: cpuclk_freq = 1300; break; + case 0x19: + cpuclk_freq = 1200; + break; + case 0x13: + case 0x1d: + cpuclk_freq = 1000; + break; + case 0x1c: + cpuclk_freq = 800; + break; + case 0x1b: + cpuclk_freq = 600; + break; default: dev_err(&pdev->dev, "invalid SAR value\n"); return -EINVAL; diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c index b3094315a3c0..890a863ae0d0 100644 --- a/drivers/clk/mvebu/armada-xp.c +++ b/drivers/clk/mvebu/armada-xp.c @@ -52,6 +52,12 @@ static u32 __init axp_get_tclk_freq(void __iomem *sar) return 250000000; } +/* MV98DX3236 TCLK frequency is fixed to 200MHz */ +static u32 __init mv98dx3236_get_tclk_freq(void __iomem *sar) +{ + return 200000000; +} + static const u32 axp_cpu_freqs[] __initconst = { 1000000000, 1066000000, @@ -89,6 +95,12 @@ static u32 __init axp_get_cpu_freq(void __iomem *sar) return cpu_freq; } +/* MV98DX3236 CLK frequency is fixed to 800MHz */ +static u32 __init mv98dx3236_get_cpu_freq(void __iomem *sar) +{ + return 800000000; +} + static const int axp_nbclk_ratios[32][2] __initconst = { {0, 1}, {1, 2}, {2, 2}, {2, 2}, {1, 2}, {1, 2}, {1, 1}, {2, 3}, @@ -158,6 +170,11 @@ static const struct coreclk_soc_desc axp_coreclks = { .num_ratios = ARRAY_SIZE(axp_coreclk_ratios), }; +static const struct coreclk_soc_desc mv98dx3236_coreclks = { + .get_tclk_freq = mv98dx3236_get_tclk_freq, + .get_cpu_freq = mv98dx3236_get_cpu_freq, +}; + /* * Clock Gating Control */ @@ -195,6 +212,15 @@ static const struct clk_gating_soc_desc axp_gating_desc[] __initconst = { { } }; +static const struct clk_gating_soc_desc mv98dx3236_gating_desc[] __initconst = { + { "ge1", NULL, 3, 0 }, + { "ge0", NULL, 4, 0 }, + { "pex00", NULL, 5, 0 }, + { "sdio", NULL, 17, 0 }, + { "xor0", NULL, 22, 0 }, + { } +}; + static void __init axp_clk_init(struct device_node *np) { struct device_node *cgnp = @@ -206,3 +232,16 @@ static void __init axp_clk_init(struct device_node *np) mvebu_clk_gating_setup(cgnp, axp_gating_desc); } CLK_OF_DECLARE(axp_clk, "marvell,armada-xp-core-clock", axp_clk_init); + +static void __init mv98dx3236_clk_init(struct device_node *np) +{ + struct device_node *cgnp = + of_find_compatible_node(NULL, NULL, "marvell,armada-xp-gating-clock"); + + mvebu_coreclk_setup(np, &mv98dx3236_coreclks); + + if (cgnp) + mvebu_clk_gating_setup(cgnp, mv98dx3236_gating_desc); +} +CLK_OF_DECLARE(mv98dx3236_clk, "marvell,mv98dx3236-core-clock", + mv98dx3236_clk_init); diff --git a/drivers/clk/mvebu/clk-corediv.c b/drivers/clk/mvebu/clk-corediv.c index d1e5863d3375..8491979f4096 100644 --- a/drivers/clk/mvebu/clk-corediv.c +++ b/drivers/clk/mvebu/clk-corediv.c @@ -71,6 +71,10 @@ static const struct clk_corediv_desc mvebu_corediv_desc[] = { { .mask = 0x3f, .offset = 8, .fieldbit = 1 }, /* NAND clock */ }; +static const struct clk_corediv_desc mv98dx3236_corediv_desc[] = { + { .mask = 0x0f, .offset = 6, .fieldbit = 26 }, /* NAND clock */ +}; + #define to_corediv_clk(p) container_of(p, struct clk_corediv, hw) static int clk_corediv_is_enabled(struct clk_hw *hwclk) @@ -232,6 +236,18 @@ static const struct clk_corediv_soc_desc armada375_corediv_soc = { .ratio_offset = 0x4, }; +static const struct clk_corediv_soc_desc mv98dx3236_corediv_soc = { + .descs = mv98dx3236_corediv_desc, + .ndescs = ARRAY_SIZE(mv98dx3236_corediv_desc), + .ops = { + .recalc_rate = clk_corediv_recalc_rate, + .round_rate = clk_corediv_round_rate, + .set_rate = clk_corediv_set_rate, + }, + .ratio_reload = BIT(10), + .ratio_offset = 0x8, +}; + static void __init mvebu_corediv_clk_init(struct device_node *node, const struct clk_corediv_soc_desc *soc_desc) @@ -313,3 +329,10 @@ static void __init armada380_corediv_clk_init(struct device_node *node) } CLK_OF_DECLARE(armada380_corediv_clk, "marvell,armada-380-corediv-clock", armada380_corediv_clk_init); + +static void __init mv98dx3236_corediv_clk_init(struct device_node *node) +{ + return mvebu_corediv_clk_init(node, &mv98dx3236_corediv_soc); +} +CLK_OF_DECLARE(mv98dx3236_corediv_clk, "marvell,mv98dx3236-corediv-clock", + mv98dx3236_corediv_clk_init); diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c index 5837eb8a212f..044892b6534d 100644 --- a/drivers/clk/mvebu/clk-cpu.c +++ b/drivers/clk/mvebu/clk-cpu.c @@ -245,3 +245,11 @@ cpuclk_out: CLK_OF_DECLARE(armada_xp_cpu_clock, "marvell,armada-xp-cpu-clock", of_cpu_clk_setup); + +static void __init of_mv98dx3236_cpu_clk_setup(struct device_node *node) +{ + of_clk_add_provider(node, of_clk_src_simple_get, NULL); +} + +CLK_OF_DECLARE(mv98dx3236_cpu_clock, "marvell,mv98dx3236-cpu-clock", + of_mv98dx3236_cpu_clk_setup); diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c index 07e2cc6ed781..3487c267833e 100644 --- a/drivers/clk/qcom/clk-smd-rpm.c +++ b/drivers/clk/qcom/clk-smd-rpm.c @@ -462,8 +462,79 @@ static const struct rpm_smd_clk_desc rpm_clk_msm8916 = { .num_clks = ARRAY_SIZE(msm8916_clks), }; +/* msm8974 */ +DEFINE_CLK_SMD_RPM(msm8974, pnoc_clk, pnoc_a_clk, QCOM_SMD_RPM_BUS_CLK, 0); +DEFINE_CLK_SMD_RPM(msm8974, snoc_clk, snoc_a_clk, QCOM_SMD_RPM_BUS_CLK, 1); +DEFINE_CLK_SMD_RPM(msm8974, cnoc_clk, cnoc_a_clk, QCOM_SMD_RPM_BUS_CLK, 2); +DEFINE_CLK_SMD_RPM(msm8974, mmssnoc_ahb_clk, mmssnoc_ahb_a_clk, QCOM_SMD_RPM_BUS_CLK, 3); +DEFINE_CLK_SMD_RPM(msm8974, bimc_clk, bimc_a_clk, QCOM_SMD_RPM_MEM_CLK, 0); +DEFINE_CLK_SMD_RPM(msm8974, gfx3d_clk_src, gfx3d_a_clk_src, QCOM_SMD_RPM_MEM_CLK, 1); +DEFINE_CLK_SMD_RPM(msm8974, ocmemgx_clk, ocmemgx_a_clk, QCOM_SMD_RPM_MEM_CLK, 2); +DEFINE_CLK_SMD_RPM_QDSS(msm8974, qdss_clk, qdss_a_clk, QCOM_SMD_RPM_MISC_CLK, 1); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, cxo_d0, cxo_d0_a, 1); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, cxo_d1, cxo_d1_a, 2); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, cxo_a0, cxo_a0_a, 4); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, cxo_a1, cxo_a1_a, 5); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, cxo_a2, cxo_a2_a, 6); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, diff_clk, diff_a_clk, 7); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, div_clk1, div_a_clk1, 11); +DEFINE_CLK_SMD_RPM_XO_BUFFER(msm8974, div_clk2, div_a_clk2, 12); +DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8974, cxo_d0_pin, cxo_d0_a_pin, 1); +DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8974, cxo_d1_pin, cxo_d1_a_pin, 2); +DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8974, cxo_a0_pin, cxo_a0_a_pin, 4); +DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8974, cxo_a1_pin, cxo_a1_a_pin, 5); +DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8974, cxo_a2_pin, cxo_a2_a_pin, 6); + +static struct clk_smd_rpm *msm8974_clks[] = { + [RPM_SMD_PNOC_CLK] = &msm8974_pnoc_clk, + [RPM_SMD_PNOC_A_CLK] = &msm8974_pnoc_a_clk, + [RPM_SMD_SNOC_CLK] = &msm8974_snoc_clk, + [RPM_SMD_SNOC_A_CLK] = &msm8974_snoc_a_clk, + [RPM_SMD_CNOC_CLK] = &msm8974_cnoc_clk, + [RPM_SMD_CNOC_A_CLK] = &msm8974_cnoc_a_clk, + [RPM_SMD_MMSSNOC_AHB_CLK] = &msm8974_mmssnoc_ahb_clk, + [RPM_SMD_MMSSNOC_AHB_A_CLK] = &msm8974_mmssnoc_ahb_a_clk, + [RPM_SMD_BIMC_CLK] = &msm8974_bimc_clk, + [RPM_SMD_BIMC_A_CLK] = &msm8974_bimc_a_clk, + [RPM_SMD_OCMEMGX_CLK] = &msm8974_ocmemgx_clk, + [RPM_SMD_OCMEMGX_A_CLK] = &msm8974_ocmemgx_a_clk, + [RPM_SMD_QDSS_CLK] = &msm8974_qdss_clk, + [RPM_SMD_QDSS_A_CLK] = &msm8974_qdss_a_clk, + [RPM_SMD_CXO_D0] = &msm8974_cxo_d0, + [RPM_SMD_CXO_D0_A] = &msm8974_cxo_d0_a, + [RPM_SMD_CXO_D1] = &msm8974_cxo_d1, + [RPM_SMD_CXO_D1_A] = &msm8974_cxo_d1_a, + [RPM_SMD_CXO_A0] = &msm8974_cxo_a0, + [RPM_SMD_CXO_A0_A] = &msm8974_cxo_a0_a, + [RPM_SMD_CXO_A1] = &msm8974_cxo_a1, + [RPM_SMD_CXO_A1_A] = &msm8974_cxo_a1_a, + [RPM_SMD_CXO_A2] = &msm8974_cxo_a2, + [RPM_SMD_CXO_A2_A] = &msm8974_cxo_a2_a, + [RPM_SMD_DIFF_CLK] = &msm8974_diff_clk, + [RPM_SMD_DIFF_A_CLK] = &msm8974_diff_a_clk, + [RPM_SMD_DIV_CLK1] = &msm8974_div_clk1, + [RPM_SMD_DIV_A_CLK1] = &msm8974_div_a_clk1, + [RPM_SMD_DIV_CLK2] = &msm8974_div_clk2, + [RPM_SMD_DIV_A_CLK2] = &msm8974_div_a_clk2, + [RPM_SMD_CXO_D0_PIN] = &msm8974_cxo_d0_pin, + [RPM_SMD_CXO_D0_A_PIN] = &msm8974_cxo_d0_a_pin, + [RPM_SMD_CXO_D1_PIN] = &msm8974_cxo_d1_pin, + [RPM_SMD_CXO_D1_A_PIN] = &msm8974_cxo_d1_a_pin, + [RPM_SMD_CXO_A0_PIN] = &msm8974_cxo_a0_pin, + [RPM_SMD_CXO_A0_A_PIN] = &msm8974_cxo_a0_a_pin, + [RPM_SMD_CXO_A1_PIN] = &msm8974_cxo_a1_pin, + [RPM_SMD_CXO_A1_A_PIN] = &msm8974_cxo_a1_a_pin, + [RPM_SMD_CXO_A2_PIN] = &msm8974_cxo_a2_pin, + [RPM_SMD_CXO_A2_A_PIN] = &msm8974_cxo_a2_a_pin, +}; + +static const struct rpm_smd_clk_desc rpm_clk_msm8974 = { + .clks = msm8974_clks, + .num_clks = ARRAY_SIZE(msm8974_clks), +}; static const struct of_device_id rpm_smd_clk_match_table[] = { { .compatible = "qcom,rpmcc-msm8916", .data = &rpm_clk_msm8916 }, + { .compatible = "qcom,rpmcc-msm8974", .data = &rpm_clk_msm8974 }, { } }; MODULE_DEVICE_TABLE(of, rpm_smd_clk_match_table); diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c index 33d09138f5e5..46cb256b4aa2 100644 --- a/drivers/clk/qcom/gcc-ipq4019.c +++ b/drivers/clk/qcom/gcc-ipq4019.c @@ -20,6 +20,9 @@ #include <linux/clk-provider.h> #include <linux/regmap.h> #include <linux/reset-controller.h> +#include <linux/math64.h> +#include <linux/delay.h> +#include <linux/clk.h> #include <dt-bindings/clock/qcom,gcc-ipq4019.h> @@ -28,6 +31,13 @@ #include "clk-rcg.h" #include "clk-branch.h" #include "reset.h" +#include "clk-regmap-divider.h" + +#define to_clk_regmap_div(_hw) container_of(to_clk_regmap(_hw),\ + struct clk_regmap_div, clkr) + +#define to_clk_fepll(_hw) container_of(to_clk_regmap_div(_hw),\ + struct clk_fepll, cdiv) enum { P_XO, @@ -40,6 +50,41 @@ enum { P_DDRPLLAPSS, }; +/* + * struct clk_fepll_vco - vco feedback divider corresponds for FEPLL clocks + * @fdbkdiv_shift: lowest bit for FDBKDIV + * @fdbkdiv_width: number of bits in FDBKDIV + * @refclkdiv_shift: lowest bit for REFCLKDIV + * @refclkdiv_width: number of bits in REFCLKDIV + * @reg: PLL_DIV register address + */ +struct clk_fepll_vco { + u32 fdbkdiv_shift; + u32 fdbkdiv_width; + u32 refclkdiv_shift; + u32 refclkdiv_width; + u32 reg; +}; + +/* + * struct clk_fepll - clk divider corresponds to FEPLL clocks + * @fixed_div: fixed divider value if divider is fixed + * @parent_map: map from software's parent index to hardware's src_sel field + * @cdiv: divider values for PLL_DIV + * @pll_vco: vco feedback divider + * @div_table: mapping for actual divider value to register divider value + * in case of non fixed divider + * @freq_tbl: frequency table + */ +struct clk_fepll { + u32 fixed_div; + const u8 *parent_map; + struct clk_regmap_div cdiv; + const struct clk_fepll_vco *pll_vco; + const struct clk_div_table *div_table; + const struct freq_tbl *freq_tbl; +}; + static struct parent_map gcc_xo_200_500_map[] = { { P_XO, 0 }, { P_FEPLL200, 1 }, @@ -80,7 +125,7 @@ static struct parent_map gcc_xo_sdcc1_500_map[] = { static const char * const gcc_xo_sdcc1_500[] = { "xo", - "ddrpll", + "ddrpllsdcc", "fepll500", }; @@ -121,6 +166,12 @@ static struct parent_map gcc_xo_ddr_500_200_map[] = { { P_DDRPLLAPSS, 1 }, }; +/* + * Contains index for safe clock during APSS freq change. + * fepll500 is being used as safe clock so initialize it + * with its index in parents list gcc_xo_ddr_500_200. + */ +static const int gcc_ipq4019_cpu_safe_parent = 2; static const char * const gcc_xo_ddr_500_200[] = { "xo", "fepll200", @@ -505,7 +556,7 @@ static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk[] = { F(25000000, P_FEPLL500, 1, 1, 20), F(50000000, P_FEPLL500, 1, 1, 10), F(100000000, P_FEPLL500, 1, 1, 5), - F(193000000, P_DDRPLL, 1, 0, 0), + F(192000000, P_DDRPLL, 1, 0, 0), { } }; @@ -524,10 +575,20 @@ static struct clk_rcg2 sdcc1_apps_clk_src = { }; static const struct freq_tbl ftbl_gcc_apps_clk[] = { - F(48000000, P_XO, 1, 0, 0), + F(48000000, P_XO, 1, 0, 0), F(200000000, P_FEPLL200, 1, 0, 0), + F(384000000, P_DDRPLLAPSS, 1, 0, 0), + F(413000000, P_DDRPLLAPSS, 1, 0, 0), + F(448000000, P_DDRPLLAPSS, 1, 0, 0), + F(488000000, P_DDRPLLAPSS, 1, 0, 0), F(500000000, P_FEPLL500, 1, 0, 0), - F(626000000, P_DDRPLLAPSS, 1, 0, 0), + F(512000000, P_DDRPLLAPSS, 1, 0, 0), + F(537000000, P_DDRPLLAPSS, 1, 0, 0), + F(565000000, P_DDRPLLAPSS, 1, 0, 0), + F(597000000, P_DDRPLLAPSS, 1, 0, 0), + F(632000000, P_DDRPLLAPSS, 1, 0, 0), + F(672000000, P_DDRPLLAPSS, 1, 0, 0), + F(716000000, P_DDRPLLAPSS, 1, 0, 0), { } }; @@ -541,6 +602,7 @@ static struct clk_rcg2 apps_clk_src = { .parent_names = gcc_xo_ddr_500_200, .num_parents = 4, .ops = &clk_rcg2_ops, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1154,6 +1216,364 @@ static struct clk_branch gcc_wcss5g_rtc_clk = { }, }; +/* Calculates the VCO rate for FEPLL. */ +static u64 clk_fepll_vco_calc_rate(struct clk_fepll *pll_div, + unsigned long parent_rate) +{ + const struct clk_fepll_vco *pll_vco = pll_div->pll_vco; + u32 fdbkdiv, refclkdiv, cdiv; + u64 vco; + + regmap_read(pll_div->cdiv.clkr.regmap, pll_vco->reg, &cdiv); + refclkdiv = (cdiv >> pll_vco->refclkdiv_shift) & + (BIT(pll_vco->refclkdiv_width) - 1); + fdbkdiv = (cdiv >> pll_vco->fdbkdiv_shift) & + (BIT(pll_vco->fdbkdiv_width) - 1); + + vco = parent_rate / refclkdiv; + vco *= 2; + vco *= fdbkdiv; + + return vco; +} + +static const struct clk_fepll_vco gcc_apss_ddrpll_vco = { + .fdbkdiv_shift = 16, + .fdbkdiv_width = 8, + .refclkdiv_shift = 24, + .refclkdiv_width = 5, + .reg = 0x2e020, +}; + +static const struct clk_fepll_vco gcc_fepll_vco = { + .fdbkdiv_shift = 16, + .fdbkdiv_width = 8, + .refclkdiv_shift = 24, + .refclkdiv_width = 5, + .reg = 0x2f020, +}; + +/* + * Round rate function for APSS CPU PLL Clock divider. + * It looks up the frequency table and returns the next higher frequency + * supported in hardware. + */ +static long clk_cpu_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *p_rate) +{ + struct clk_fepll *pll = to_clk_fepll(hw); + struct clk_hw *p_hw; + const struct freq_tbl *f; + + f = qcom_find_freq(pll->freq_tbl, rate); + if (!f) + return -EINVAL; + + p_hw = clk_hw_get_parent_by_index(hw, f->src); + *p_rate = clk_hw_get_rate(p_hw); + + return f->freq; +}; + +/* + * Clock set rate function for APSS CPU PLL Clock divider. + * It looks up the frequency table and updates the PLL divider to corresponding + * divider value. + */ +static int clk_cpu_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_fepll *pll = to_clk_fepll(hw); + const struct freq_tbl *f; + u32 mask; + int ret; + + f = qcom_find_freq(pll->freq_tbl, rate); + if (!f) + return -EINVAL; + + mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift; + ret = regmap_update_bits(pll->cdiv.clkr.regmap, + pll->cdiv.reg, mask, + f->pre_div << pll->cdiv.shift); + /* + * There is no status bit which can be checked for successful CPU + * divider update operation so using delay for the same. + */ + udelay(1); + + return 0; +}; + +/* + * Clock frequency calculation function for APSS CPU PLL Clock divider. + * This clock divider is nonlinear so this function calculates the actual + * divider and returns the output frequency by dividing VCO Frequency + * with this actual divider value. + */ +static unsigned long +clk_cpu_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_fepll *pll = to_clk_fepll(hw); + u32 cdiv, pre_div; + u64 rate; + + regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv); + cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1); + + /* + * Some dividers have value in 0.5 fraction so multiply both VCO + * frequency(parent_rate) and pre_div with 2 to make integer + * calculation. + */ + if (cdiv > 10) + pre_div = (cdiv + 1) * 2; + else + pre_div = cdiv + 12; + + rate = clk_fepll_vco_calc_rate(pll, parent_rate) * 2; + do_div(rate, pre_div); + + return rate; +}; + +static const struct clk_ops clk_regmap_cpu_div_ops = { + .round_rate = clk_cpu_div_round_rate, + .set_rate = clk_cpu_div_set_rate, + .recalc_rate = clk_cpu_div_recalc_rate, +}; + +static const struct freq_tbl ftbl_apss_ddr_pll[] = { + { 384000000, P_XO, 0xd, 0, 0 }, + { 413000000, P_XO, 0xc, 0, 0 }, + { 448000000, P_XO, 0xb, 0, 0 }, + { 488000000, P_XO, 0xa, 0, 0 }, + { 512000000, P_XO, 0x9, 0, 0 }, + { 537000000, P_XO, 0x8, 0, 0 }, + { 565000000, P_XO, 0x7, 0, 0 }, + { 597000000, P_XO, 0x6, 0, 0 }, + { 632000000, P_XO, 0x5, 0, 0 }, + { 672000000, P_XO, 0x4, 0, 0 }, + { 716000000, P_XO, 0x3, 0, 0 }, + { 768000000, P_XO, 0x2, 0, 0 }, + { 823000000, P_XO, 0x1, 0, 0 }, + { 896000000, P_XO, 0x0, 0, 0 }, + { } +}; + +static struct clk_fepll gcc_apss_cpu_plldiv_clk = { + .cdiv.reg = 0x2e020, + .cdiv.shift = 4, + .cdiv.width = 4, + .cdiv.clkr = { + .enable_reg = 0x2e000, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "ddrpllapss", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_regmap_cpu_div_ops, + }, + }, + .freq_tbl = ftbl_apss_ddr_pll, + .pll_vco = &gcc_apss_ddrpll_vco, +}; + +/* Calculates the rate for PLL divider. + * If the divider value is not fixed then it gets the actual divider value + * from divider table. Then, it calculate the clock rate by dividing the + * parent rate with actual divider value. + */ +static unsigned long +clk_regmap_clk_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_fepll *pll = to_clk_fepll(hw); + u32 cdiv, pre_div = 1; + u64 rate; + const struct clk_div_table *clkt; + + if (pll->fixed_div) { + pre_div = pll->fixed_div; + } else { + regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv); + cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1); + + for (clkt = pll->div_table; clkt->div; clkt++) { + if (clkt->val == cdiv) + pre_div = clkt->div; + } + } + + rate = clk_fepll_vco_calc_rate(pll, parent_rate); + do_div(rate, pre_div); + + return rate; +}; + +static const struct clk_ops clk_fepll_div_ops = { + .recalc_rate = clk_regmap_clk_div_recalc_rate, +}; + +static struct clk_fepll gcc_apss_sdcc_clk = { + .fixed_div = 28, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "ddrpllsdcc", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .pll_vco = &gcc_apss_ddrpll_vco, +}; + +static struct clk_fepll gcc_fepll125_clk = { + .fixed_div = 32, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepll125", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .pll_vco = &gcc_fepll_vco, +}; + +static struct clk_fepll gcc_fepll125dly_clk = { + .fixed_div = 32, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepll125dly", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .pll_vco = &gcc_fepll_vco, +}; + +static struct clk_fepll gcc_fepll200_clk = { + .fixed_div = 20, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepll200", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .pll_vco = &gcc_fepll_vco, +}; + +static struct clk_fepll gcc_fepll500_clk = { + .fixed_div = 8, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepll500", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .pll_vco = &gcc_fepll_vco, +}; + +static const struct clk_div_table fepllwcss_clk_div_table[] = { + { 0, 15 }, + { 1, 16 }, + { 2, 18 }, + { 3, 20 }, + { }, +}; + +static struct clk_fepll gcc_fepllwcss2g_clk = { + .cdiv.reg = 0x2f020, + .cdiv.shift = 8, + .cdiv.width = 2, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepllwcss2g", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .div_table = fepllwcss_clk_div_table, + .pll_vco = &gcc_fepll_vco, +}; + +static struct clk_fepll gcc_fepllwcss5g_clk = { + .cdiv.reg = 0x2f020, + .cdiv.shift = 12, + .cdiv.width = 2, + .cdiv.clkr = { + .hw.init = &(struct clk_init_data){ + .name = "fepllwcss5g", + .parent_names = (const char *[]){ + "xo", + }, + .num_parents = 1, + .ops = &clk_fepll_div_ops, + }, + }, + .div_table = fepllwcss_clk_div_table, + .pll_vco = &gcc_fepll_vco, +}; + +static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = { + F(48000000, P_XO, 1, 0, 0), + F(100000000, P_FEPLL200, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = { + .cmd_rcgr = 0x21024, + .hid_width = 5, + .parent_map = gcc_xo_200_500_map, + .freq_tbl = ftbl_gcc_pcnoc_ahb_clk, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gcc_pcnoc_ahb_clk_src", + .parent_names = gcc_xo_200_500, + .num_parents = 3, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_branch pcnoc_clk_src = { + .halt_reg = 0x21030, + .clkr = { + .enable_reg = 0x21030, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "pcnoc_clk_src", + .parent_names = (const char *[]){ + "gcc_pcnoc_ahb_clk_src", + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + .flags = CLK_SET_RATE_PARENT | + CLK_IS_CRITICAL, + }, + }, +}; + static struct clk_regmap *gcc_ipq4019_clocks[] = { [AUDIO_CLK_SRC] = &audio_clk_src.clkr, [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr, @@ -1214,6 +1634,16 @@ static struct clk_regmap *gcc_ipq4019_clocks[] = { [GCC_WCSS5G_CLK] = &gcc_wcss5g_clk.clkr, [GCC_WCSS5G_REF_CLK] = &gcc_wcss5g_ref_clk.clkr, [GCC_WCSS5G_RTC_CLK] = &gcc_wcss5g_rtc_clk.clkr, + [GCC_SDCC_PLLDIV_CLK] = &gcc_apss_sdcc_clk.cdiv.clkr, + [GCC_FEPLL125_CLK] = &gcc_fepll125_clk.cdiv.clkr, + [GCC_FEPLL125DLY_CLK] = &gcc_fepll125dly_clk.cdiv.clkr, + [GCC_FEPLL200_CLK] = &gcc_fepll200_clk.cdiv.clkr, + [GCC_FEPLL500_CLK] = &gcc_fepll500_clk.cdiv.clkr, + [GCC_FEPLL_WCSS2G_CLK] = &gcc_fepllwcss2g_clk.cdiv.clkr, + [GCC_FEPLL_WCSS5G_CLK] = &gcc_fepllwcss5g_clk.cdiv.clkr, + [GCC_APSS_CPU_PLLDIV_CLK] = &gcc_apss_cpu_plldiv_clk.cdiv.clkr, + [GCC_PCNOC_AHB_CLK_SRC] = &gcc_pcnoc_ahb_clk_src.clkr, + [GCC_PCNOC_AHB_CLK] = &pcnoc_clk_src.clkr, }; static const struct qcom_reset_map gcc_ipq4019_resets[] = { @@ -1294,7 +1724,7 @@ static const struct regmap_config gcc_ipq4019_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, - .max_register = 0x2dfff, + .max_register = 0x2ffff, .fast_io = true, }; @@ -1312,23 +1742,44 @@ static const struct of_device_id gcc_ipq4019_match_table[] = { }; MODULE_DEVICE_TABLE(of, gcc_ipq4019_match_table); +static int +gcc_ipq4019_cpu_clk_notifier_fn(struct notifier_block *nb, + unsigned long action, void *data) +{ + int err = 0; + + if (action == PRE_RATE_CHANGE) + err = clk_rcg2_ops.set_parent(&apps_clk_src.clkr.hw, + gcc_ipq4019_cpu_safe_parent); + + return notifier_from_errno(err); +} + +static struct notifier_block gcc_ipq4019_cpu_clk_notifier = { + .notifier_call = gcc_ipq4019_cpu_clk_notifier_fn, +}; + static int gcc_ipq4019_probe(struct platform_device *pdev) { - struct device *dev = &pdev->dev; + int err; - clk_register_fixed_rate(dev, "fepll125", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "fepll125dly", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "fepllwcss2g", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "fepllwcss5g", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "fepll200", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "fepll500", "xo", 0, 200000000); - clk_register_fixed_rate(dev, "ddrpllapss", "xo", 0, 666000000); + err = qcom_cc_probe(pdev, &gcc_ipq4019_desc); + if (err) + return err; - return qcom_cc_probe(pdev, &gcc_ipq4019_desc); + return clk_notifier_register(apps_clk_src.clkr.hw.clk, + &gcc_ipq4019_cpu_clk_notifier); +} + +static int gcc_ipq4019_remove(struct platform_device *pdev) +{ + return clk_notifier_unregister(apps_clk_src.clkr.hw.clk, + &gcc_ipq4019_cpu_clk_notifier); } static struct platform_driver gcc_ipq4019_driver = { .probe = gcc_ipq4019_probe, + .remove = gcc_ipq4019_remove, .driver = { .name = "qcom,gcc-ipq4019", .of_match_table = gcc_ipq4019_match_table, diff --git a/drivers/clk/qcom/gcc-mdm9615.c b/drivers/clk/qcom/gcc-mdm9615.c index 581a17f67379..b99dd406e907 100644 --- a/drivers/clk/qcom/gcc-mdm9615.c +++ b/drivers/clk/qcom/gcc-mdm9615.c @@ -1563,6 +1563,34 @@ static struct clk_branch rpm_msg_ram_h_clk = { }, }; +static struct clk_branch ebi2_clk = { + .hwcg_reg = 0x2664, + .hwcg_bit = 6, + .halt_reg = 0x2fcc, + .halt_bit = 24, + .clkr = { + .enable_reg = 0x2664, + .enable_mask = BIT(6) | BIT(4), + .hw.init = &(struct clk_init_data){ + .name = "ebi2_clk", + .ops = &clk_branch_ops, + }, + }, +}; + +static struct clk_branch ebi2_aon_clk = { + .halt_reg = 0x2fcc, + .halt_bit = 23, + .clkr = { + .enable_reg = 0x2664, + .enable_mask = BIT(8), + .hw.init = &(struct clk_init_data){ + .name = "ebi2_aon_clk", + .ops = &clk_branch_ops, + }, + }, +}; + static struct clk_hw *gcc_mdm9615_hws[] = { &cxo.hw, }; @@ -1637,6 +1665,8 @@ static struct clk_regmap *gcc_mdm9615_clks[] = { [PMIC_ARB1_H_CLK] = &pmic_arb1_h_clk.clkr, [PMIC_SSBI2_CLK] = &pmic_ssbi2_clk.clkr, [RPM_MSG_RAM_H_CLK] = &rpm_msg_ram_h_clk.clkr, + [EBI2_CLK] = &ebi2_clk.clkr, + [EBI2_AON_CLK] = &ebi2_aon_clk.clkr, }; static const struct qcom_reset_map gcc_mdm9615_resets[] = { diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c index 4b1fc1730d29..8abc200d4fd3 100644 --- a/drivers/clk/qcom/gcc-msm8996.c +++ b/drivers/clk/qcom/gcc-msm8996.c @@ -3448,6 +3448,7 @@ static const struct qcom_reset_map gcc_msm8996_resets[] = { [GCC_MSMPU_BCR] = { 0x8d000 }, [GCC_MSS_Q6_BCR] = { 0x8e000 }, [GCC_QREFS_VBG_CAL_BCR] = { 0x88020 }, + [GCC_MSS_RESTART] = { 0x8f008 }, }; static const struct regmap_config gcc_msm8996_regmap_config = { diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c index 288186cce0ae..a4f3580587b7 100644 --- a/drivers/clk/qcom/gdsc.c +++ b/drivers/clk/qcom/gdsc.c @@ -63,11 +63,26 @@ static int gdsc_hwctrl(struct gdsc *sc, bool en) return regmap_update_bits(sc->regmap, sc->gdscr, HW_CONTROL_MASK, val); } +static int gdsc_poll_status(struct gdsc *sc, unsigned int reg, bool en) +{ + ktime_t start; + + start = ktime_get(); + do { + if (gdsc_is_enabled(sc, reg) == en) + return 0; + } while (ktime_us_delta(ktime_get(), start) < TIMEOUT_US); + + if (gdsc_is_enabled(sc, reg) == en) + return 0; + + return -ETIMEDOUT; +} + static int gdsc_toggle_logic(struct gdsc *sc, bool en) { int ret; u32 val = en ? 0 : SW_COLLAPSE_MASK; - ktime_t start; unsigned int status_reg = sc->gdscr; ret = regmap_update_bits(sc->regmap, sc->gdscr, SW_COLLAPSE_MASK, val); @@ -100,16 +115,7 @@ static int gdsc_toggle_logic(struct gdsc *sc, bool en) udelay(1); } - start = ktime_get(); - do { - if (gdsc_is_enabled(sc, status_reg) == en) - return 0; - } while (ktime_us_delta(ktime_get(), start) < TIMEOUT_US); - - if (gdsc_is_enabled(sc, status_reg) == en) - return 0; - - return -ETIMEDOUT; + return gdsc_poll_status(sc, status_reg, en); } static inline int gdsc_deassert_reset(struct gdsc *sc) @@ -188,8 +194,20 @@ static int gdsc_enable(struct generic_pm_domain *domain) udelay(1); /* Turn on HW trigger mode if supported */ - if (sc->flags & HW_CTRL) - return gdsc_hwctrl(sc, true); + if (sc->flags & HW_CTRL) { + ret = gdsc_hwctrl(sc, true); + if (ret) + return ret; + /* + * Wait for the GDSC to go through a power down and + * up cycle. In case a firmware ends up polling status + * bits for the gdsc, it might read an 'on' status before + * the GDSC can finish the power cycle. + * We wait 1us before returning to ensure the firmware + * can't immediately poll the status bits. + */ + udelay(1); + } return 0; } @@ -204,9 +222,23 @@ static int gdsc_disable(struct generic_pm_domain *domain) /* Turn off HW trigger mode if supported */ if (sc->flags & HW_CTRL) { + unsigned int reg; + ret = gdsc_hwctrl(sc, false); if (ret < 0) return ret; + /* + * Wait for the GDSC to go through a power down and + * up cycle. In case we end up polling status + * bits for the gdsc before the power cycle is completed + * it might read an 'on' status wrongly. + */ + udelay(1); + + reg = sc->gds_hw_ctrl ? sc->gds_hw_ctrl : sc->gdscr; + ret = gdsc_poll_status(sc, reg, true); + if (ret) + return ret; } if (sc->pwrsts & PWRSTS_OFF) diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 9375777776d9..3ce819c26077 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -37,12 +37,14 @@ * @smstpcr: module stop control register * @mstpsr: module stop status register (optional) * @lock: protects writes to SMSTPCR + * @width_8bit: registers are 8-bit, not 32-bit */ struct mstp_clock_group { struct clk_onecell_data data; void __iomem *smstpcr; void __iomem *mstpsr; spinlock_t lock; + bool width_8bit; }; /** @@ -59,6 +61,18 @@ struct mstp_clock { #define to_mstp_clock(_hw) container_of(_hw, struct mstp_clock, hw) +static inline u32 cpg_mstp_read(struct mstp_clock_group *group, + u32 __iomem *reg) +{ + return group->width_8bit ? readb(reg) : clk_readl(reg); +} + +static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val, + u32 __iomem *reg) +{ + group->width_8bit ? writeb(val, reg) : clk_writel(val, reg); +} + static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) { struct mstp_clock *clock = to_mstp_clock(hw); @@ -70,12 +84,12 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) spin_lock_irqsave(&group->lock, flags); - value = clk_readl(group->smstpcr); + value = cpg_mstp_read(group, group->smstpcr); if (enable) value &= ~bitmask; else value |= bitmask; - clk_writel(value, group->smstpcr); + cpg_mstp_write(group, value, group->smstpcr); spin_unlock_irqrestore(&group->lock, flags); @@ -83,7 +97,7 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) return 0; for (i = 1000; i > 0; --i) { - if (!(clk_readl(group->mstpsr) & bitmask)) + if (!(cpg_mstp_read(group, group->mstpsr) & bitmask)) break; cpu_relax(); } @@ -114,9 +128,9 @@ static int cpg_mstp_clock_is_enabled(struct clk_hw *hw) u32 value; if (group->mstpsr) - value = clk_readl(group->mstpsr); + value = cpg_mstp_read(group, group->mstpsr); else - value = clk_readl(group->smstpcr); + value = cpg_mstp_read(group, group->smstpcr); return !(value & BIT(clock->bit_index)); } @@ -127,9 +141,9 @@ static const struct clk_ops cpg_mstp_clock_ops = { .is_enabled = cpg_mstp_clock_is_enabled, }; -static struct clk * __init -cpg_mstp_clock_register(const char *name, const char *parent_name, - unsigned int index, struct mstp_clock_group *group) +static struct clk * __init cpg_mstp_clock_register(const char *name, + const char *parent_name, unsigned int index, + struct mstp_clock_group *group) { struct clk_init_data init; struct mstp_clock *clock; @@ -144,6 +158,11 @@ cpg_mstp_clock_register(const char *name, const char *parent_name, init.name = name; init.ops = &cpg_mstp_clock_ops; init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT; + /* INTC-SYS is the module clock of the GIC, and must not be disabled */ + if (!strcmp(name, "intc-sys")) { + pr_debug("MSTP %s setting CLK_IS_CRITICAL\n", name); + init.flags |= CLK_IS_CRITICAL; + } init.parent_names = &parent_name; init.num_parents = 1; @@ -188,6 +207,9 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) return; } + if (of_device_is_compatible(np, "renesas,r7s72100-mstp-clocks")) + group->width_8bit = true; + for (i = 0; i < MSTP_MAX_CLOCKS; ++i) clks[i] = ERR_PTR(-ENOENT); diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index 50698a7d9074..bfffdb00df97 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -221,6 +221,7 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4), DEF_MOD("i2c6", 918, R8A7795_CLK_S3D2), DEF_MOD("i2c5", 919, R8A7795_CLK_S3D2), + DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP), DEF_MOD("i2c4", 927, R8A7795_CLK_S3D2), DEF_MOD("i2c3", 928, R8A7795_CLK_S3D2), DEF_MOD("i2c2", 929, R8A7795_CLK_S3D2), diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 7d298c57a3e0..11e084a56b0d 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -103,7 +103,9 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1), DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1), + DEF_DIV6P1("canfd", R8A7796_CLK_CANFD, CLK_PLL1_DIV4, 0x244), DEF_DIV6P1("csi0", R8A7796_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A7796_CLK_MSO, CLK_PLL1_DIV4, 0x014), DEF_DIV6_RO("osc", R8A7796_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), @@ -117,6 +119,10 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { DEF_MOD("scif3", 204, R8A7796_CLK_S3D4), DEF_MOD("scif1", 206, R8A7796_CLK_S3D4), DEF_MOD("scif0", 207, R8A7796_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A7796_CLK_MSO), + DEF_MOD("msiof2", 209, R8A7796_CLK_MSO), + DEF_MOD("msiof1", 210, R8A7796_CLK_MSO), + DEF_MOD("msiof0", 211, R8A7796_CLK_MSO), DEF_MOD("sys-dmac2", 217, R8A7796_CLK_S0D3), DEF_MOD("sys-dmac1", 218, R8A7796_CLK_S0D3), DEF_MOD("sys-dmac0", 219, R8A7796_CLK_S0D3), @@ -181,8 +187,12 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { DEF_MOD("gpio2", 910, R8A7796_CLK_S3D4), DEF_MOD("gpio1", 911, R8A7796_CLK_S3D4), DEF_MOD("gpio0", 912, R8A7796_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4), DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6), DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6), + DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP), DEF_MOD("i2c4", 927, R8A7796_CLK_S0D6), DEF_MOD("i2c3", 928, R8A7796_CLK_S0D6), DEF_MOD("i2c2", 929, R8A7796_CLK_S3D2), diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 8359ce75db7a..eadcbd43ff88 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -16,6 +16,7 @@ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/clk/renesas.h> +#include <linux/delay.h> #include <linux/device.h> #include <linux/init.h> #include <linux/mod_devicetable.h> @@ -25,6 +26,7 @@ #include <linux/platform_device.h> #include <linux/pm_clock.h> #include <linux/pm_domain.h> +#include <linux/reset-controller.h> #include <linux/slab.h> #include <dt-bindings/clock/renesas-cpg-mssr.h> @@ -43,7 +45,7 @@ * Module Standby and Software Reset register offets. * * If the registers exist, these are valid for SH-Mobile, R-Mobile, - * R-Car Gen 2, and R-Car Gen 3. + * R-Car Gen2, R-Car Gen3, and RZ/G1. * These are NOT valid for R-Car Gen1 and RZ/A1! */ @@ -96,18 +98,22 @@ static const u16 srcr[] = { /** * Clock Pulse Generator / Module Standby and Software Reset Private Data * + * @rcdev: Optional reset controller entity * @dev: CPG/MSSR device * @base: CPG/MSSR register block base address - * @mstp_lock: protects writes to SMSTPCR + * @rmw_lock: protects RMW register accesses * @clks: Array containing all Core and Module Clocks * @num_core_clks: Number of Core Clocks in clks[] * @num_mod_clks: Number of Module Clocks in clks[] * @last_dt_core_clk: ID of the last Core Clock exported to DT */ struct cpg_mssr_priv { +#ifdef CONFIG_RESET_CONTROLLER + struct reset_controller_dev rcdev; +#endif struct device *dev; void __iomem *base; - spinlock_t mstp_lock; + spinlock_t rmw_lock; struct clk **clks; unsigned int num_core_clks; @@ -144,7 +150,7 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) dev_dbg(dev, "MSTP %u%02u/%pC %s\n", reg, bit, hw->clk, enable ? "ON" : "OFF"); - spin_lock_irqsave(&priv->mstp_lock, flags); + spin_lock_irqsave(&priv->rmw_lock, flags); value = readl(priv->base + SMSTPCR(reg)); if (enable) @@ -153,7 +159,7 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) value |= bitmask; writel(value, priv->base + SMSTPCR(reg)); - spin_unlock_irqrestore(&priv->mstp_lock, flags); + spin_unlock_irqrestore(&priv->rmw_lock, flags); if (!enable) return 0; @@ -346,17 +352,10 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod, init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT; for (i = 0; i < info->num_crit_mod_clks; i++) if (id == info->crit_mod_clks[i]) { -#ifdef CLK_ENABLE_HAND_OFF - dev_dbg(dev, "MSTP %s setting CLK_ENABLE_HAND_OFF\n", + dev_dbg(dev, "MSTP %s setting CLK_IS_CRITICAL\n", mod->name); - init.flags |= CLK_ENABLE_HAND_OFF; + init.flags |= CLK_IS_CRITICAL; break; -#else - dev_dbg(dev, "Ignoring MSTP %s to prevent disabling\n", - mod->name); - kfree(clock); - return; -#endif } parent_name = __clk_get_name(parent); @@ -501,6 +500,122 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev, return 0; } +#ifdef CONFIG_RESET_CONTROLLER + +#define rcdev_to_priv(x) container_of(x, struct cpg_mssr_priv, rcdev) + +static int cpg_mssr_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + unsigned long flags; + u32 value; + + dev_dbg(priv->dev, "reset %u%02u\n", reg, bit); + + /* Reset module */ + spin_lock_irqsave(&priv->rmw_lock, flags); + value = readl(priv->base + SRCR(reg)); + value |= bitmask; + writel(value, priv->base + SRCR(reg)); + spin_unlock_irqrestore(&priv->rmw_lock, flags); + + /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ + udelay(35); + + /* Release module from reset state */ + writel(bitmask, priv->base + SRSTCLR(reg)); + + return 0; +} + +static int cpg_mssr_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + unsigned long flags; + u32 value; + + dev_dbg(priv->dev, "assert %u%02u\n", reg, bit); + + spin_lock_irqsave(&priv->rmw_lock, flags); + value = readl(priv->base + SRCR(reg)); + value |= bitmask; + writel(value, priv->base + SRCR(reg)); + spin_unlock_irqrestore(&priv->rmw_lock, flags); + return 0; +} + +static int cpg_mssr_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + + dev_dbg(priv->dev, "deassert %u%02u\n", reg, bit); + + writel(bitmask, priv->base + SRSTCLR(reg)); + return 0; +} + +static int cpg_mssr_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + + return !!(readl(priv->base + SRCR(reg)) & bitmask); +} + +static const struct reset_control_ops cpg_mssr_reset_ops = { + .reset = cpg_mssr_reset, + .assert = cpg_mssr_assert, + .deassert = cpg_mssr_deassert, + .status = cpg_mssr_status, +}; + +static int cpg_mssr_reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int unpacked = reset_spec->args[0]; + unsigned int idx = MOD_CLK_PACK(unpacked); + + if (unpacked % 100 > 31 || idx >= rcdev->nr_resets) { + dev_err(priv->dev, "Invalid reset index %u\n", unpacked); + return -EINVAL; + } + + return idx; +} + +static int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv) +{ + priv->rcdev.ops = &cpg_mssr_reset_ops; + priv->rcdev.of_node = priv->dev->of_node; + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = cpg_mssr_reset_xlate; + priv->rcdev.nr_resets = priv->num_mod_clks; + return devm_reset_controller_register(priv->dev, &priv->rcdev); +} + +#else /* !CONFIG_RESET_CONTROLLER */ +static inline int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv) +{ + return 0; +} +#endif /* !CONFIG_RESET_CONTROLLER */ + + static const struct of_device_id cpg_mssr_match[] = { #ifdef CONFIG_ARCH_R8A7743 { @@ -557,7 +672,7 @@ static int __init cpg_mssr_probe(struct platform_device *pdev) return -ENOMEM; priv->dev = dev; - spin_lock_init(&priv->mstp_lock); + spin_lock_init(&priv->rmw_lock); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->base = devm_ioremap_resource(dev, res); @@ -598,6 +713,10 @@ static int __init cpg_mssr_probe(struct platform_device *pdev) if (error) return error; + error = cpg_mssr_reset_controller_register(priv); + if (error) + return error; + return 0; } diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index 16e098c36f90..141971488f40 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -8,6 +8,7 @@ obj-y += clk-pll.o obj-y += clk-cpu.o obj-y += clk-inverter.o obj-y += clk-mmc-phase.o +obj-y += clk-muxgrf.o obj-y += clk-ddr.o obj-$(CONFIG_RESET_CONTROLLER) += softrst.o @@ -16,5 +17,6 @@ obj-y += clk-rk3036.o obj-y += clk-rk3188.o obj-y += clk-rk3228.o obj-y += clk-rk3288.o +obj-y += clk-rk3328.o obj-y += clk-rk3368.o obj-y += clk-rk3399.o diff --git a/drivers/clk/rockchip/clk-muxgrf.c b/drivers/clk/rockchip/clk-muxgrf.c new file mode 100644 index 000000000000..4f291180a26b --- /dev/null +++ b/drivers/clk/rockchip/clk-muxgrf.c @@ -0,0 +1,102 @@ +/* + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/slab.h> +#include <linux/bitops.h> +#include <linux/regmap.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include "clk.h" + +struct rockchip_muxgrf_clock { + struct clk_hw hw; + struct regmap *regmap; + u32 reg; + u32 shift; + u32 width; + int flags; +}; + +#define to_muxgrf_clock(_hw) container_of(_hw, struct rockchip_muxgrf_clock, hw) + +static u8 rockchip_muxgrf_get_parent(struct clk_hw *hw) +{ + struct rockchip_muxgrf_clock *mux = to_muxgrf_clock(hw); + unsigned int mask = GENMASK(mux->width - 1, 0); + unsigned int val; + + regmap_read(mux->regmap, mux->reg, &val); + + val >>= mux->shift; + val &= mask; + + return val; +} + +static int rockchip_muxgrf_set_parent(struct clk_hw *hw, u8 index) +{ + struct rockchip_muxgrf_clock *mux = to_muxgrf_clock(hw); + unsigned int mask = GENMASK(mux->width + mux->shift - 1, mux->shift); + unsigned int val; + + val = index; + val <<= mux->shift; + + if (mux->flags & CLK_MUX_HIWORD_MASK) + return regmap_write(mux->regmap, mux->reg, val | (mask << 16)); + else + return regmap_update_bits(mux->regmap, mux->reg, mask, val); +} + +static const struct clk_ops rockchip_muxgrf_clk_ops = { + .get_parent = rockchip_muxgrf_get_parent, + .set_parent = rockchip_muxgrf_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; + +struct clk *rockchip_clk_register_muxgrf(const char *name, + const char *const *parent_names, u8 num_parents, + int flags, struct regmap *regmap, int reg, + int shift, int width, int mux_flags) +{ + struct rockchip_muxgrf_clock *muxgrf_clock; + struct clk_init_data init; + struct clk *clk; + + if (IS_ERR(regmap)) { + pr_err("%s: regmap not available\n", __func__); + return ERR_PTR(-ENOTSUPP); + } + + muxgrf_clock = kmalloc(sizeof(*muxgrf_clock), GFP_KERNEL); + if (!muxgrf_clock) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.flags = flags; + init.num_parents = num_parents; + init.parent_names = parent_names; + init.ops = &rockchip_muxgrf_clk_ops; + + muxgrf_clock->hw.init = &init; + muxgrf_clock->regmap = regmap; + muxgrf_clock->reg = reg; + muxgrf_clock->shift = shift; + muxgrf_clock->width = width; + muxgrf_clock->flags = mux_flags; + + clk = clk_register(NULL, &muxgrf_clock->hw); + if (IS_ERR(clk)) + kfree(muxgrf_clock); + + return clk; +} diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 6ed605776abd..eec51893a7e6 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -29,6 +29,7 @@ #define PLL_MODE_SLOW 0x0 #define PLL_MODE_NORM 0x1 #define PLL_MODE_DEEP 0x2 +#define PLL_RK3328_MODE_MASK 0x1 struct rockchip_clk_pll { struct clk_hw hw; @@ -848,7 +849,8 @@ struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, struct clk *pll_clk, *mux_clk; char pll_name[20]; - if (num_parents != 2) { + if ((pll_type != pll_rk3328 && num_parents != 2) || + (pll_type == pll_rk3328 && num_parents != 1)) { pr_err("%s: needs two parent clocks\n", __func__); return ERR_PTR(-EINVAL); } @@ -865,13 +867,17 @@ struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, pll_mux = &pll->pll_mux; pll_mux->reg = ctx->reg_base + mode_offset; pll_mux->shift = mode_shift; - pll_mux->mask = PLL_MODE_MASK; + if (pll_type == pll_rk3328) + pll_mux->mask = PLL_RK3328_MODE_MASK; + else + pll_mux->mask = PLL_MODE_MASK; pll_mux->flags = 0; pll_mux->lock = &ctx->lock; pll_mux->hw.init = &init; if (pll_type == pll_rk3036 || pll_type == pll_rk3066 || + pll_type == pll_rk3328 || pll_type == pll_rk3399) pll_mux->flags |= CLK_MUX_HIWORD_MASK; @@ -884,7 +890,10 @@ struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, init.flags = CLK_SET_RATE_PARENT; init.ops = pll->pll_mux_ops; init.parent_names = pll_parents; - init.num_parents = ARRAY_SIZE(pll_parents); + if (pll_type == pll_rk3328) + init.num_parents = 2; + else + init.num_parents = ARRAY_SIZE(pll_parents); mux_clk = clk_register(NULL, &pll_mux->hw); if (IS_ERR(mux_clk)) @@ -918,6 +927,7 @@ struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, switch (pll_type) { case pll_rk3036: + case pll_rk3328: if (!pll->rate_table || IS_ERR(ctx->grf)) init.ops = &rockchip_rk3036_pll_clk_norate_ops; else diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index 062ef4960244..00ad0e5f8d66 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -507,8 +507,8 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS), GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS), - GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS), - GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), + GATE(PCLK_DDRUPCTL, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS), + GATE(PCLK_PUBL, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS), GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS), GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS), GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS), diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 39af05a589b3..60bff5f5295d 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -198,6 +198,7 @@ PNAME(mux_hsadcout_p) = { "hsadc_src", "ext_hsadc" }; PNAME(mux_edp_24m_p) = { "ext_edp_24m", "xin24m" }; PNAME(mux_tspout_p) = { "cpll", "gpll", "npll", "xin27m" }; +PNAME(mux_aclk_vcodec_pre_p) = { "aclk_vepu", "aclk_vdpu" }; PNAME(mux_usbphy480m_p) = { "sclk_otgphy1_480m", "sclk_otgphy2_480m", "sclk_otgphy0_480m" }; PNAME(mux_hsicphy480m_p) = { "cpll", "gpll", "usbphy480m_src" }; @@ -398,14 +399,12 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0, RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS, RK3288_CLKGATE_CON(3), 11, GFLAGS), - /* - * We use aclk_vdpu by default GRF_SOC_CON0[7] setting in system, - * so we ignore the mux and make clocks nodes as following, - */ - GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vdpu", 0, + MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, 0, + RK3288_GRF_SOC_CON(0), 7, 1, MFLAGS), + GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vcodec_pre", 0, RK3288_CLKGATE_CON(9), 0, GFLAGS), - FACTOR_GATE(0, "hclk_vcodec_pre", "aclk_vdpu", 0, 1, 4, + FACTOR_GATE(0, "hclk_vcodec_pre", "aclk_vcodec_pre", 0, 1, 4, RK3288_CLKGATE_CON(3), 10, GFLAGS), GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0, @@ -801,7 +800,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(0, "pclk_vip_in", "ext_vip", 0, RK3288_CLKGATE_CON(16), 0, GFLAGS), INVERTER(0, "pclk_vip", "pclk_vip_in", RK3288_CLKSEL_CON(29), 4, IFLAGS), - GATE(0, "pclk_isp_in", "ext_isp", 0, RK3288_CLKGATE_CON(16), 3, GFLAGS), + GATE(PCLK_ISP_IN, "pclk_isp_in", "ext_isp", 0, RK3288_CLKGATE_CON(16), 3, GFLAGS), INVERTER(0, "pclk_isp", "pclk_isp_in", RK3288_CLKSEL_CON(29), 3, IFLAGS), }; diff --git a/drivers/clk/rockchip/clk-rk3328.c b/drivers/clk/rockchip/clk-rk3328.c new file mode 100644 index 000000000000..1e384e143504 --- /dev/null +++ b/drivers/clk/rockchip/clk-rk3328.c @@ -0,0 +1,895 @@ +/* + * Copyright (c) 2016 Rockchip Electronics Co. Ltd. + * Author: Elaine <zhangqing@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/syscore_ops.h> +#include <dt-bindings/clock/rk3328-cru.h> +#include "clk.h" + +#define RK3328_GRF_SOC_STATUS0 0x480 +#define RK3328_GRF_MAC_CON1 0x904 +#define RK3328_GRF_MAC_CON2 0x908 + +enum rk3328_plls { + apll, dpll, cpll, gpll, npll, +}; + +static struct rockchip_pll_rate_table rk3328_pll_rates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), + RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), + RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), + RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), + RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0), + RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0), + RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0), + RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0), + RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0), + RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0), + RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0), + RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0), + RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0), + RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0), + RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0), + RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0), + RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0), + RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0), + RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0), + RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0), + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), + RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0), + RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0), + RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0), + RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0), + RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0), + RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0), + RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0), + RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0), + RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0), + RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0), + RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0), + RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0), + RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0), + RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0), + RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0), + RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0), + RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0), + RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0), + RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0), + RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0), + RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0), + { /* sentinel */ }, +}; + +static struct rockchip_pll_rate_table rk3328_pll_frac_rates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE(1016064000, 3, 127, 1, 1, 0, 134217), + /* vco = 1016064000 */ + RK3036_PLL_RATE(983040000, 24, 983, 1, 1, 0, 671088), + /* vco = 983040000 */ + RK3036_PLL_RATE(491520000, 24, 983, 2, 1, 0, 671088), + /* vco = 983040000 */ + RK3036_PLL_RATE(61440000, 6, 215, 7, 2, 0, 671088), + /* vco = 860156000 */ + RK3036_PLL_RATE(56448000, 12, 451, 4, 4, 0, 9797894), + /* vco = 903168000 */ + RK3036_PLL_RATE(40960000, 12, 409, 4, 5, 0, 10066329), + /* vco = 819200000 */ + { /* sentinel */ }, +}; + +#define RK3328_DIV_ACLKM_MASK 0x7 +#define RK3328_DIV_ACLKM_SHIFT 4 +#define RK3328_DIV_PCLK_DBG_MASK 0xf +#define RK3328_DIV_PCLK_DBG_SHIFT 0 + +#define RK3328_CLKSEL1(_aclk_core, _pclk_dbg) \ +{ \ + .reg = RK3328_CLKSEL_CON(1), \ + .val = HIWORD_UPDATE(_aclk_core, RK3328_DIV_ACLKM_MASK, \ + RK3328_DIV_ACLKM_SHIFT) | \ + HIWORD_UPDATE(_pclk_dbg, RK3328_DIV_PCLK_DBG_MASK, \ + RK3328_DIV_PCLK_DBG_SHIFT), \ +} + +#define RK3328_CPUCLK_RATE(_prate, _aclk_core, _pclk_dbg) \ +{ \ + .prate = _prate, \ + .divs = { \ + RK3328_CLKSEL1(_aclk_core, _pclk_dbg), \ + }, \ +} + +static struct rockchip_cpuclk_rate_table rk3328_cpuclk_rates[] __initdata = { + RK3328_CPUCLK_RATE(1800000000, 1, 7), + RK3328_CPUCLK_RATE(1704000000, 1, 7), + RK3328_CPUCLK_RATE(1608000000, 1, 7), + RK3328_CPUCLK_RATE(1512000000, 1, 7), + RK3328_CPUCLK_RATE(1488000000, 1, 5), + RK3328_CPUCLK_RATE(1416000000, 1, 5), + RK3328_CPUCLK_RATE(1392000000, 1, 5), + RK3328_CPUCLK_RATE(1296000000, 1, 5), + RK3328_CPUCLK_RATE(1200000000, 1, 5), + RK3328_CPUCLK_RATE(1104000000, 1, 5), + RK3328_CPUCLK_RATE(1008000000, 1, 5), + RK3328_CPUCLK_RATE(912000000, 1, 5), + RK3328_CPUCLK_RATE(816000000, 1, 3), + RK3328_CPUCLK_RATE(696000000, 1, 3), + RK3328_CPUCLK_RATE(600000000, 1, 3), + RK3328_CPUCLK_RATE(408000000, 1, 1), + RK3328_CPUCLK_RATE(312000000, 1, 1), + RK3328_CPUCLK_RATE(216000000, 1, 1), + RK3328_CPUCLK_RATE(96000000, 1, 1), +}; + +static const struct rockchip_cpuclk_reg_data rk3328_cpuclk_data = { + .core_reg = RK3328_CLKSEL_CON(0), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 3, + .mux_core_shift = 6, + .mux_core_mask = 0x3, +}; + +PNAME(mux_pll_p) = { "xin24m" }; + +PNAME(mux_2plls_p) = { "cpll", "gpll" }; +PNAME(mux_gpll_cpll_p) = { "gpll", "cpll" }; +PNAME(mux_cpll_gpll_apll_p) = { "cpll", "gpll", "apll" }; +PNAME(mux_2plls_xin24m_p) = { "cpll", "gpll", "xin24m" }; +PNAME(mux_2plls_hdmiphy_p) = { "cpll", "gpll", + "dummy_hdmiphy" }; +PNAME(mux_4plls_p) = { "cpll", "gpll", + "dummy_hdmiphy", + "usb480m" }; +PNAME(mux_2plls_u480m_p) = { "cpll", "gpll", + "usb480m" }; +PNAME(mux_2plls_24m_u480m_p) = { "cpll", "gpll", + "xin24m", "usb480m" }; + +PNAME(mux_ddrphy_p) = { "dpll", "apll", "cpll" }; +PNAME(mux_armclk_p) = { "apll_core", + "gpll_core", + "dpll_core", + "npll_core"}; +PNAME(mux_hdmiphy_p) = { "hdmi_phy", "xin24m" }; +PNAME(mux_usb480m_p) = { "usb480m_phy", + "xin24m" }; + +PNAME(mux_i2s0_p) = { "clk_i2s0_div", + "clk_i2s0_frac", + "xin12m", + "xin12m" }; +PNAME(mux_i2s1_p) = { "clk_i2s1_div", + "clk_i2s1_frac", + "clkin_i2s1", + "xin12m" }; +PNAME(mux_i2s2_p) = { "clk_i2s2_div", + "clk_i2s2_frac", + "clkin_i2s2", + "xin12m" }; +PNAME(mux_i2s1out_p) = { "clk_i2s1", "xin12m"}; +PNAME(mux_i2s2out_p) = { "clk_i2s2", "xin12m" }; +PNAME(mux_spdif_p) = { "clk_spdif_div", + "clk_spdif_frac", + "xin12m", + "xin12m" }; +PNAME(mux_uart0_p) = { "clk_uart0_div", + "clk_uart0_frac", + "xin24m" }; +PNAME(mux_uart1_p) = { "clk_uart1_div", + "clk_uart1_frac", + "xin24m" }; +PNAME(mux_uart2_p) = { "clk_uart2_div", + "clk_uart2_frac", + "xin24m" }; + +PNAME(mux_sclk_cif_p) = { "clk_cif_src", + "xin24m" }; +PNAME(mux_dclk_lcdc_p) = { "hdmiphy", + "dclk_lcdc_src" }; +PNAME(mux_aclk_peri_pre_p) = { "cpll_peri", + "gpll_peri", + "hdmiphy_peri" }; +PNAME(mux_ref_usb3otg_src_p) = { "xin24m", + "clk_usb3otg_ref" }; +PNAME(mux_xin24m_32k_p) = { "xin24m", + "clk_rtc32k" }; +PNAME(mux_mac2io_src_p) = { "clk_mac2io_src", + "gmac_clkin" }; +PNAME(mux_mac2phy_src_p) = { "clk_mac2phy_src", + "phy_50m_out" }; + +static struct rockchip_pll_clock rk3328_pll_clks[] __initdata = { + [apll] = PLL(pll_rk3328, PLL_APLL, "apll", mux_pll_p, + 0, RK3328_PLL_CON(0), + RK3328_MODE_CON, 0, 4, 0, rk3328_pll_frac_rates), + [dpll] = PLL(pll_rk3328, PLL_DPLL, "dpll", mux_pll_p, + 0, RK3328_PLL_CON(8), + RK3328_MODE_CON, 4, 3, 0, NULL), + [cpll] = PLL(pll_rk3328, PLL_CPLL, "cpll", mux_pll_p, + 0, RK3328_PLL_CON(16), + RK3328_MODE_CON, 8, 2, 0, rk3328_pll_rates), + [gpll] = PLL(pll_rk3328, PLL_GPLL, "gpll", mux_pll_p, + 0, RK3328_PLL_CON(24), + RK3328_MODE_CON, 12, 1, 0, rk3328_pll_frac_rates), + [npll] = PLL(pll_rk3328, PLL_NPLL, "npll", mux_pll_p, + 0, RK3328_PLL_CON(40), + RK3328_MODE_CON, 1, 0, 0, rk3328_pll_rates), +}; + +#define MFLAGS CLK_MUX_HIWORD_MASK +#define DFLAGS CLK_DIVIDER_HIWORD_MASK +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) + +static struct rockchip_clk_branch rk3328_i2s0_fracmux __initdata = + MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(6), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_i2s1_fracmux __initdata = + MUX(0, "i2s1_pre", mux_i2s1_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(8), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_i2s2_fracmux __initdata = + MUX(0, "i2s2_pre", mux_i2s2_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(10), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_spdif_fracmux __initdata = + MUX(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(12), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_uart0_fracmux __initdata = + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(14), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_uart1_fracmux __initdata = + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(16), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_uart2_fracmux __initdata = + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(18), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { + /* + * Clock-Architecture Diagram 1 + */ + + DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(2), 8, 5, DFLAGS), + COMPOSITE(SCLK_RTC32K, "clk_rtc32k", mux_2plls_xin24m_p, 0, + RK3328_CLKSEL_CON(38), 14, 2, MFLAGS, 0, 14, DFLAGS, + RK3328_CLKGATE_CON(0), 11, GFLAGS), + + /* PD_MISC */ + MUX(HDMIPHY, "hdmiphy", mux_hdmiphy_p, CLK_SET_RATE_PARENT, + RK3328_MISC_CON, 13, 1, MFLAGS), + MUX(USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT, + RK3328_MISC_CON, 15, 1, MFLAGS), + + /* + * Clock-Architecture Diagram 2 + */ + + /* PD_CORE */ + GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(0), 0, GFLAGS), + GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(0), 2, GFLAGS), + GATE(0, "dpll_core", "dpll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(0), 1, GFLAGS), + GATE(0, "npll_core", "npll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(0), 12, GFLAGS), + COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3328_CLKGATE_CON(7), 0, GFLAGS), + COMPOSITE_NOMUX(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3328_CLKGATE_CON(7), 1, GFLAGS), + GATE(0, "aclk_core_niu", "aclk_core", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(13), 0, GFLAGS), + GATE(0, "aclk_gic400", "aclk_core", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(13), 1, GFLAGS), + + GATE(0, "clk_jtag", "jtag_clkin", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(7), 2, GFLAGS), + + /* PD_GPU */ + COMPOSITE(0, "aclk_gpu_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(44), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 6, GFLAGS), + GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(14), 0, GFLAGS), + GATE(0, "aclk_gpu_niu", "aclk_gpu_pre", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(14), 1, GFLAGS), + + /* PD_DDR */ + COMPOSITE(0, "clk_ddr", mux_ddrphy_p, CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(3), 8, 2, MFLAGS, 0, 3, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, + RK3328_CLKGATE_CON(0), 4, GFLAGS), + GATE(0, "clk_ddrmsch", "clk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 6, GFLAGS), + GATE(0, "clk_ddrupctl", "clk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 5, GFLAGS), + GATE(0, "aclk_ddrupctl", "clk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 4, GFLAGS), + GATE(0, "clk_ddrmon", "xin24m", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(0), 6, GFLAGS), + + COMPOSITE(PCLK_DDR, "pclk_ddr", mux_2plls_hdmiphy_p, 0, + RK3328_CLKSEL_CON(4), 13, 2, MFLAGS, 8, 3, DFLAGS, + RK3328_CLKGATE_CON(7), 4, GFLAGS), + GATE(0, "pclk_ddrupctl", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 1, GFLAGS), + GATE(0, "pclk_ddr_msch", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 2, GFLAGS), + GATE(0, "pclk_ddr_mon", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 3, GFLAGS), + GATE(0, "pclk_ddrstdby", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 7, GFLAGS), + GATE(0, "pclk_ddr_grf", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(18), 9, GFLAGS), + + /* + * Clock-Architecture Diagram 3 + */ + + /* PD_BUS */ + COMPOSITE(ACLK_BUS_PRE, "aclk_bus_pre", mux_2plls_hdmiphy_p, 0, + RK3328_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(8), 0, GFLAGS), + COMPOSITE_NOMUX(HCLK_BUS_PRE, "hclk_bus_pre", "aclk_bus_pre", 0, + RK3328_CLKSEL_CON(1), 8, 2, DFLAGS, + RK3328_CLKGATE_CON(8), 1, GFLAGS), + COMPOSITE_NOMUX(PCLK_BUS_PRE, "pclk_bus_pre", "aclk_bus_pre", 0, + RK3328_CLKSEL_CON(1), 12, 3, DFLAGS, + RK3328_CLKGATE_CON(8), 2, GFLAGS), + GATE(0, "pclk_bus", "pclk_bus_pre", 0, + RK3328_CLKGATE_CON(8), 3, GFLAGS), + GATE(0, "pclk_phy_pre", "pclk_bus_pre", 0, + RK3328_CLKGATE_CON(8), 4, GFLAGS), + + COMPOSITE(SCLK_TSP, "clk_tsp", mux_2plls_p, 0, + RK3328_CLKSEL_CON(21), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(2), 5, GFLAGS), + GATE(0, "clk_hsadc_tsp", "ext_gpio3a2", 0, + RK3328_CLKGATE_CON(17), 13, GFLAGS), + + /* PD_I2S */ + COMPOSITE(0, "clk_i2s0_div", mux_2plls_p, 0, + RK3328_CLKSEL_CON(6), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(1), 1, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s0_frac", "clk_i2s0_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(7), 0, + RK3328_CLKGATE_CON(1), 2, GFLAGS, + &rk3328_i2s0_fracmux), + GATE(SCLK_I2S0, "clk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(1), 3, GFLAGS), + + COMPOSITE(0, "clk_i2s1_div", mux_2plls_p, 0, + RK3328_CLKSEL_CON(8), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(1), 4, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s1_frac", "clk_i2s1_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(9), 0, + RK3328_CLKGATE_CON(1), 5, GFLAGS, + &rk3328_i2s1_fracmux), + GATE(SCLK_I2S1, "clk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(0), 6, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S1_OUT, "i2s1_out", mux_i2s1out_p, 0, + RK3328_CLKSEL_CON(8), 12, 1, MFLAGS, + RK3328_CLKGATE_CON(1), 7, GFLAGS), + + COMPOSITE(0, "clk_i2s2_div", mux_2plls_p, 0, + RK3328_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(1), 8, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s2_frac", "clk_i2s2_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(11), 0, + RK3328_CLKGATE_CON(1), 9, GFLAGS, + &rk3328_i2s2_fracmux), + GATE(SCLK_I2S2, "clk_i2s2", "i2s2_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(1), 10, GFLAGS), + COMPOSITE_NODIV(SCLK_I2S2_OUT, "i2s2_out", mux_i2s2out_p, 0, + RK3328_CLKSEL_CON(10), 12, 1, MFLAGS, + RK3328_CLKGATE_CON(1), 11, GFLAGS), + + COMPOSITE(0, "clk_spdif_div", mux_2plls_p, 0, + RK3328_CLKSEL_CON(12), 15, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(1), 12, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_spdif_frac", "clk_spdif_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(13), 0, + RK3328_CLKGATE_CON(1), 13, GFLAGS, + &rk3328_spdif_fracmux), + + /* PD_UART */ + COMPOSITE(0, "clk_uart0_div", mux_2plls_u480m_p, 0, + RK3328_CLKSEL_CON(14), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(1), 14, GFLAGS), + COMPOSITE(0, "clk_uart1_div", mux_2plls_u480m_p, 0, + RK3328_CLKSEL_CON(16), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 0, GFLAGS), + COMPOSITE(0, "clk_uart2_div", mux_2plls_u480m_p, 0, + RK3328_CLKSEL_CON(18), 12, 2, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 2, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_uart0_frac", "clk_uart0_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(15), 0, + RK3328_CLKGATE_CON(1), 15, GFLAGS, + &rk3328_uart0_fracmux), + COMPOSITE_FRACMUX(0, "clk_uart1_frac", "clk_uart1_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(17), 0, + RK3328_CLKGATE_CON(2), 1, GFLAGS, + &rk3328_uart1_fracmux), + COMPOSITE_FRACMUX(0, "clk_uart2_frac", "clk_uart2_div", CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(19), 0, + RK3328_CLKGATE_CON(2), 3, GFLAGS, + &rk3328_uart2_fracmux), + + /* + * Clock-Architecture Diagram 4 + */ + + COMPOSITE(SCLK_I2C0, "clk_i2c0", mux_2plls_p, 0, + RK3328_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 9, GFLAGS), + COMPOSITE(SCLK_I2C1, "clk_i2c1", mux_2plls_p, 0, + RK3328_CLKSEL_CON(34), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 10, GFLAGS), + COMPOSITE(SCLK_I2C2, "clk_i2c2", mux_2plls_p, 0, + RK3328_CLKSEL_CON(35), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 11, GFLAGS), + COMPOSITE(SCLK_I2C3, "clk_i2c3", mux_2plls_p, 0, + RK3328_CLKSEL_CON(35), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 12, GFLAGS), + COMPOSITE(SCLK_CRYPTO, "clk_crypto", mux_2plls_p, 0, + RK3328_CLKSEL_CON(20), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 4, GFLAGS), + COMPOSITE_NOMUX(SCLK_TSADC, "clk_tsadc", "clk_24m", 0, + RK3328_CLKSEL_CON(22), 0, 10, DFLAGS, + RK3328_CLKGATE_CON(2), 6, GFLAGS), + COMPOSITE_NOMUX(SCLK_SARADC, "clk_saradc", "clk_24m", 0, + RK3328_CLKSEL_CON(23), 0, 10, DFLAGS, + RK3328_CLKGATE_CON(2), 14, GFLAGS), + COMPOSITE(SCLK_SPI, "clk_spi", mux_2plls_p, 0, + RK3328_CLKSEL_CON(24), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 7, GFLAGS), + COMPOSITE(SCLK_PWM, "clk_pwm", mux_2plls_p, 0, + RK3328_CLKSEL_CON(24), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3328_CLKGATE_CON(2), 8, GFLAGS), + COMPOSITE(SCLK_OTP, "clk_otp", mux_2plls_xin24m_p, 0, + RK3328_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 6, DFLAGS, + RK3328_CLKGATE_CON(3), 8, GFLAGS), + COMPOSITE(SCLK_EFUSE, "clk_efuse", mux_2plls_xin24m_p, 0, + RK3328_CLKSEL_CON(5), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(2), 13, GFLAGS), + COMPOSITE(SCLK_PDM, "clk_pdm", mux_cpll_gpll_apll_p, CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(20), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(2), 15, GFLAGS), + + GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0, + RK3328_CLKGATE_CON(8), 5, GFLAGS), + GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0, + RK3328_CLKGATE_CON(8), 6, GFLAGS), + GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0, + RK3328_CLKGATE_CON(8), 7, GFLAGS), + GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0, + RK3328_CLKGATE_CON(8), 8, GFLAGS), + GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0, + RK3328_CLKGATE_CON(8), 9, GFLAGS), + GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0, + RK3328_CLKGATE_CON(8), 10, GFLAGS), + + COMPOSITE(SCLK_WIFI, "clk_wifi", mux_2plls_u480m_p, 0, + RK3328_CLKSEL_CON(52), 6, 2, MFLAGS, 0, 6, DFLAGS, + RK3328_CLKGATE_CON(0), 10, GFLAGS), + + /* + * Clock-Architecture Diagram 5 + */ + + /* PD_VIDEO */ + COMPOSITE(ACLK_RKVDEC_PRE, "aclk_rkvdec_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(48), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 0, GFLAGS), + FACTOR_GATE(HCLK_RKVDEC_PRE, "hclk_rkvdec_pre", "aclk_rkvdec_pre", 0, 1, 4, + RK3328_CLKGATE_CON(11), 0, GFLAGS), + GATE(ACLK_RKVDEC, "aclk_rkvdec", "aclk_rkvdec_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(24), 0, GFLAGS), + GATE(HCLK_RKVDEC, "hclk_rkvdec", "hclk_rkvdec_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(24), 1, GFLAGS), + GATE(0, "aclk_rkvdec_niu", "aclk_rkvdec_pre", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(24), 2, GFLAGS), + GATE(0, "hclk_rkvdec_niu", "hclk_rkvdec_pre", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(24), 3, GFLAGS), + + COMPOSITE(SCLK_VDEC_CABAC, "sclk_vdec_cabac", mux_4plls_p, 0, + RK3328_CLKSEL_CON(48), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 1, GFLAGS), + + COMPOSITE(SCLK_VDEC_CORE, "sclk_vdec_core", mux_4plls_p, 0, + RK3328_CLKSEL_CON(49), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 2, GFLAGS), + + COMPOSITE(ACLK_VPU_PRE, "aclk_vpu_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(50), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 5, GFLAGS), + FACTOR_GATE(HCLK_VPU_PRE, "hclk_vpu_pre", "aclk_vpu_pre", 0, 1, 4, + RK3328_CLKGATE_CON(11), 8, GFLAGS), + GATE(ACLK_VPU, "aclk_vpu", "aclk_vpu_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(23), 0, GFLAGS), + GATE(HCLK_VPU, "hclk_vpu", "hclk_vpu_pre", CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(23), 1, GFLAGS), + GATE(0, "aclk_vpu_niu", "aclk_vpu_pre", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(23), 2, GFLAGS), + GATE(0, "hclk_vpu_niu", "hclk_vpu_pre", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(23), 3, GFLAGS), + + COMPOSITE(ACLK_RKVENC, "aclk_rkvenc", mux_4plls_p, 0, + RK3328_CLKSEL_CON(51), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 3, GFLAGS), + FACTOR_GATE(HCLK_RKVENC, "hclk_rkvenc", "aclk_rkvenc", 0, 1, 4, + RK3328_CLKGATE_CON(11), 4, GFLAGS), + GATE(0, "aclk_rkvenc_niu", "aclk_rkvenc", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(25), 0, GFLAGS), + GATE(0, "hclk_rkvenc_niu", "hclk_rkvenc", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(25), 1, GFLAGS), + GATE(ACLK_H265, "aclk_h265", "aclk_rkvenc", 0, + RK3328_CLKGATE_CON(25), 0, GFLAGS), + GATE(PCLK_H265, "pclk_h265", "hclk_rkvenc", 0, + RK3328_CLKGATE_CON(25), 1, GFLAGS), + GATE(ACLK_H264, "aclk_h264", "aclk_rkvenc", 0, + RK3328_CLKGATE_CON(25), 0, GFLAGS), + GATE(HCLK_H264, "hclk_h264", "hclk_rkvenc", 0, + RK3328_CLKGATE_CON(25), 1, GFLAGS), + GATE(ACLK_AXISRAM, "aclk_axisram", "aclk_rkvenc", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(25), 0, GFLAGS), + + COMPOSITE(SCLK_VENC_CORE, "sclk_venc_core", mux_4plls_p, 0, + RK3328_CLKSEL_CON(51), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 4, GFLAGS), + + COMPOSITE(SCLK_VENC_DSP, "sclk_venc_dsp", mux_4plls_p, 0, + RK3328_CLKSEL_CON(52), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(6), 7, GFLAGS), + + /* + * Clock-Architecture Diagram 6 + */ + + /* PD_VIO */ + COMPOSITE(ACLK_VIO_PRE, "aclk_vio_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(37), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(5), 2, GFLAGS), + DIV(HCLK_VIO_PRE, "hclk_vio_pre", "aclk_vio_pre", 0, + RK3328_CLKSEL_CON(37), 8, 5, DFLAGS), + + COMPOSITE(ACLK_RGA_PRE, "aclk_rga_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(36), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(5), 0, GFLAGS), + COMPOSITE(SCLK_RGA, "clk_rga", mux_4plls_p, 0, + RK3328_CLKSEL_CON(36), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(5), 1, GFLAGS), + COMPOSITE(ACLK_VOP_PRE, "aclk_vop_pre", mux_4plls_p, 0, + RK3328_CLKSEL_CON(39), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(5), 5, GFLAGS), + GATE(0, "clk_hdmi_sfc", "xin24m", 0, + RK3328_CLKGATE_CON(5), 4, GFLAGS), + + COMPOSITE_NODIV(0, "clk_cif_src", mux_2plls_p, 0, + RK3328_CLKSEL_CON(42), 7, 1, MFLAGS, + RK3328_CLKGATE_CON(5), 3, GFLAGS), + COMPOSITE_NOGATE(SCLK_CIF_OUT, "clk_cif_out", mux_sclk_cif_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(42), 5, 1, MFLAGS, 0, 5, DFLAGS), + + COMPOSITE(DCLK_LCDC_SRC, "dclk_lcdc_src", mux_gpll_cpll_p, 0, + RK3328_CLKSEL_CON(40), 0, 1, MFLAGS, 8, 8, DFLAGS, + RK3328_CLKGATE_CON(5), 6, GFLAGS), + DIV(DCLK_HDMIPHY, "dclk_hdmiphy", "dclk_lcdc_src", 0, + RK3328_CLKSEL_CON(40), 3, 3, DFLAGS), + MUX(DCLK_LCDC, "dclk_lcdc", mux_dclk_lcdc_p, 0, + RK3328_CLKSEL_CON(40), 1, 1, MFLAGS), + + /* + * Clock-Architecture Diagram 7 + */ + + /* PD_PERI */ + GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(4), 0, GFLAGS), + GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(4), 1, GFLAGS), + GATE(0, "hdmiphy_peri", "hdmiphy", CLK_IGNORE_UNUSED, + RK3328_CLKGATE_CON(4), 2, GFLAGS), + COMPOSITE_NOGATE(ACLK_PERI_PRE, "aclk_peri_pre", mux_aclk_peri_pre_p, 0, + RK3328_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 5, DFLAGS), + COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_pre", CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(29), 0, 2, DFLAGS, + RK3328_CLKGATE_CON(10), 2, GFLAGS), + COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_pre", CLK_IGNORE_UNUSED, + RK3328_CLKSEL_CON(29), 4, 3, DFLAGS, + RK3328_CLKGATE_CON(10), 1, GFLAGS), + GATE(ACLK_PERI, "aclk_peri", "aclk_peri_pre", CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, + RK3328_CLKGATE_CON(10), 0, GFLAGS), + + COMPOSITE(SCLK_SDMMC, "clk_sdmmc", mux_2plls_24m_u480m_p, 0, + RK3328_CLKSEL_CON(30), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3328_CLKGATE_CON(4), 3, GFLAGS), + + COMPOSITE(SCLK_SDIO, "clk_sdio", mux_2plls_24m_u480m_p, 0, + RK3328_CLKSEL_CON(31), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3328_CLKGATE_CON(4), 4, GFLAGS), + + COMPOSITE(SCLK_EMMC, "clk_emmc", mux_2plls_24m_u480m_p, 0, + RK3328_CLKSEL_CON(32), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3328_CLKGATE_CON(4), 5, GFLAGS), + + COMPOSITE(SCLK_SDMMC_EXT, "clk_sdmmc_ext", mux_2plls_24m_u480m_p, 0, + RK3328_CLKSEL_CON(43), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3328_CLKGATE_CON(4), 10, GFLAGS), + + COMPOSITE(SCLK_REF_USB3OTG_SRC, "clk_ref_usb3otg_src", mux_2plls_p, 0, + RK3328_CLKSEL_CON(45), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3328_CLKGATE_CON(4), 9, GFLAGS), + + MUX(SCLK_REF_USB3OTG, "clk_ref_usb3otg", mux_ref_usb3otg_src_p, CLK_SET_RATE_PARENT, + RK3328_CLKSEL_CON(45), 8, 1, MFLAGS), + + GATE(SCLK_USB3OTG_REF, "clk_usb3otg_ref", "xin24m", 0, + RK3328_CLKGATE_CON(4), 7, GFLAGS), + + COMPOSITE(SCLK_USB3OTG_SUSPEND, "clk_usb3otg_suspend", mux_xin24m_32k_p, 0, + RK3328_CLKSEL_CON(33), 15, 1, MFLAGS, 0, 10, DFLAGS, + RK3328_CLKGATE_CON(4), 8, GFLAGS), + + /* + * Clock-Architecture Diagram 8 + */ + + /* PD_GMAC */ + COMPOSITE(ACLK_GMAC, "aclk_gmac", mux_2plls_hdmiphy_p, 0, + RK3328_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(3), 2, GFLAGS), + COMPOSITE_NOMUX(PCLK_GMAC, "pclk_gmac", "aclk_gmac", 0, + RK3328_CLKSEL_CON(25), 8, 3, DFLAGS, + RK3328_CLKGATE_CON(9), 0, GFLAGS), + + COMPOSITE(SCLK_MAC2IO_SRC, "clk_mac2io_src", mux_2plls_p, 0, + RK3328_CLKSEL_CON(27), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(3), 1, GFLAGS), + GATE(SCLK_MAC2IO_REF, "clk_mac2io_ref", "clk_mac2io", 0, + RK3328_CLKGATE_CON(9), 7, GFLAGS), + GATE(SCLK_MAC2IO_RX, "clk_mac2io_rx", "clk_mac2io", 0, + RK3328_CLKGATE_CON(9), 4, GFLAGS), + GATE(SCLK_MAC2IO_TX, "clk_mac2io_tx", "clk_mac2io", 0, + RK3328_CLKGATE_CON(9), 5, GFLAGS), + GATE(SCLK_MAC2IO_REFOUT, "clk_mac2io_refout", "clk_mac2io", 0, + RK3328_CLKGATE_CON(9), 6, GFLAGS), + COMPOSITE(SCLK_MAC2IO_OUT, "clk_mac2io_out", mux_2plls_p, 0, + RK3328_CLKSEL_CON(27), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3328_CLKGATE_CON(3), 5, GFLAGS), + + COMPOSITE(SCLK_MAC2PHY_SRC, "clk_mac2phy_src", mux_2plls_p, 0, + RK3328_CLKSEL_CON(26), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3328_CLKGATE_CON(3), 0, GFLAGS), + GATE(SCLK_MAC2PHY_REF, "clk_mac2phy_ref", "clk_mac2phy", 0, + RK3328_CLKGATE_CON(9), 3, GFLAGS), + GATE(SCLK_MAC2PHY_RXTX, "clk_mac2phy_rxtx", "clk_mac2phy", 0, + RK3328_CLKGATE_CON(9), 1, GFLAGS), + COMPOSITE_NOMUX(SCLK_MAC2PHY_OUT, "clk_mac2phy_out", "clk_mac2phy", 0, + RK3328_CLKSEL_CON(26), 8, 2, DFLAGS, + RK3328_CLKGATE_CON(9), 2, GFLAGS), + + FACTOR(0, "xin12m", "xin24m", 0, 1, 2), + + /* + * Clock-Architecture Diagram 9 + */ + + /* PD_VOP */ + GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3328_CLKGATE_CON(21), 10, GFLAGS), + GATE(0, "aclk_rga_niu", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(22), 3, GFLAGS), + GATE(ACLK_VOP, "aclk_vop", "aclk_vop_pre", 0, RK3328_CLKGATE_CON(21), 2, GFLAGS), + GATE(0, "aclk_vop_niu", "aclk_vop_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 4, GFLAGS), + + GATE(ACLK_IEP, "aclk_iep", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 6, GFLAGS), + GATE(ACLK_CIF, "aclk_cif", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 8, GFLAGS), + GATE(ACLK_HDCP, "aclk_hdcp", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 15, GFLAGS), + GATE(0, "aclk_vio_niu", "aclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(22), 2, GFLAGS), + + GATE(HCLK_VOP, "hclk_vop", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 3, GFLAGS), + GATE(0, "hclk_vop_niu", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 5, GFLAGS), + GATE(HCLK_IEP, "hclk_iep", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 7, GFLAGS), + GATE(HCLK_CIF, "hclk_cif", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 9, GFLAGS), + GATE(HCLK_RGA, "hclk_rga", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 11, GFLAGS), + GATE(0, "hclk_ahb1tom", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 12, GFLAGS), + GATE(0, "pclk_vio_h2p", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 13, GFLAGS), + GATE(0, "hclk_vio_h2p", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 14, GFLAGS), + GATE(HCLK_HDCP, "hclk_hdcp", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 0, GFLAGS), + GATE(HCLK_VIO, "hclk_vio", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 1, GFLAGS), + GATE(PCLK_HDMI, "pclk_hdmi", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 4, GFLAGS), + GATE(PCLK_HDCP, "pclk_hdcp", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 5, GFLAGS), + + /* PD_PERI */ + GATE(0, "aclk_peri_noc", "aclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 11, GFLAGS), + GATE(ACLK_USB3OTG, "aclk_usb3otg", "aclk_peri", 0, RK3328_CLKGATE_CON(19), 4, GFLAGS), + + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 0, GFLAGS), + GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 1, GFLAGS), + GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 2, GFLAGS), + GATE(HCLK_SDMMC_EXT, "hclk_sdmmc_ext", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 15, GFLAGS), + GATE(HCLK_HOST0, "hclk_host0", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 6, GFLAGS), + GATE(HCLK_HOST0_ARB, "hclk_host0_arb", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 7, GFLAGS), + GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 8, GFLAGS), + GATE(HCLK_OTG_PMU, "hclk_otg_pmu", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 9, GFLAGS), + GATE(0, "hclk_peri_niu", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 12, GFLAGS), + GATE(0, "pclk_peri_niu", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 13, GFLAGS), + + /* PD_GMAC */ + GATE(ACLK_MAC2PHY, "aclk_mac2phy", "aclk_gmac", 0, RK3328_CLKGATE_CON(26), 0, GFLAGS), + GATE(ACLK_MAC2IO, "aclk_mac2io", "aclk_gmac", 0, RK3328_CLKGATE_CON(26), 2, GFLAGS), + GATE(0, "aclk_gmac_niu", "aclk_gmac", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(26), 4, GFLAGS), + GATE(PCLK_MAC2PHY, "pclk_mac2phy", "pclk_gmac", 0, RK3328_CLKGATE_CON(26), 1, GFLAGS), + GATE(PCLK_MAC2IO, "pclk_mac2io", "pclk_gmac", 0, RK3328_CLKGATE_CON(26), 3, GFLAGS), + GATE(0, "pclk_gmac_niu", "pclk_gmac", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(26), 5, GFLAGS), + + /* PD_BUS */ + GATE(0, "aclk_bus_niu", "aclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 12, GFLAGS), + GATE(ACLK_DCF, "aclk_dcf", "aclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 11, GFLAGS), + GATE(ACLK_TSP, "aclk_tsp", "aclk_bus_pre", 0, RK3328_CLKGATE_CON(17), 12, GFLAGS), + GATE(0, "aclk_intmem", "aclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 0, GFLAGS), + GATE(ACLK_DMAC, "aclk_dmac_bus", "aclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 1, GFLAGS), + + GATE(0, "hclk_rom", "hclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 2, GFLAGS), + GATE(HCLK_I2S0_8CH, "hclk_i2s0_8ch", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 3, GFLAGS), + GATE(HCLK_I2S1_8CH, "hclk_i2s1_8ch", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 4, GFLAGS), + GATE(HCLK_I2S2_2CH, "hclk_i2s2_2ch", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 5, GFLAGS), + GATE(HCLK_SPDIF_8CH, "hclk_spdif_8ch", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 6, GFLAGS), + GATE(HCLK_TSP, "hclk_tsp", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(17), 11, GFLAGS), + GATE(HCLK_CRYPTO_MST, "hclk_crypto_mst", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 7, GFLAGS), + GATE(HCLK_CRYPTO_SLV, "hclk_crypto_slv", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 8, GFLAGS), + GATE(0, "hclk_bus_niu", "hclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 13, GFLAGS), + GATE(HCLK_PDM, "hclk_pdm", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(28), 0, GFLAGS), + + GATE(0, "pclk_bus_niu", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 14, GFLAGS), + GATE(0, "pclk_efuse", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 9, GFLAGS), + GATE(0, "pclk_otp", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(28), 4, GFLAGS), + GATE(PCLK_I2C0, "pclk_i2c0", "pclk_bus", 0, RK3328_CLKGATE_CON(15), 10, GFLAGS), + GATE(PCLK_I2C1, "pclk_i2c1", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 0, GFLAGS), + GATE(PCLK_I2C2, "pclk_i2c2", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 1, GFLAGS), + GATE(PCLK_I2C3, "pclk_i2c3", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 2, GFLAGS), + GATE(PCLK_TIMER, "pclk_timer0", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 3, GFLAGS), + GATE(0, "pclk_stimer", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 4, GFLAGS), + GATE(PCLK_SPI, "pclk_spi", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 5, GFLAGS), + GATE(PCLK_PWM, "pclk_rk_pwm", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 6, GFLAGS), + GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 7, GFLAGS), + GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 8, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 9, GFLAGS), + GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 10, GFLAGS), + GATE(PCLK_UART0, "pclk_uart0", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 11, GFLAGS), + GATE(PCLK_UART1, "pclk_uart1", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 12, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 13, GFLAGS), + GATE(PCLK_TSADC, "pclk_tsadc", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 14, GFLAGS), + GATE(PCLK_DCF, "pclk_dcf", "pclk_bus", 0, RK3328_CLKGATE_CON(16), 15, GFLAGS), + GATE(PCLK_GRF, "pclk_grf", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 0, GFLAGS), + GATE(0, "pclk_cru", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 4, GFLAGS), + GATE(0, "pclk_sgrf", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 6, GFLAGS), + GATE(0, "pclk_sim", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 10, GFLAGS), + GATE(PCLK_SARADC, "pclk_saradc", "pclk_bus", 0, RK3328_CLKGATE_CON(17), 15, GFLAGS), + GATE(0, "pclk_pmu", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(28), 3, GFLAGS), + + GATE(PCLK_USB3PHY_OTG, "pclk_usb3phy_otg", "pclk_phy_pre", 0, RK3328_CLKGATE_CON(28), 1, GFLAGS), + GATE(PCLK_USB3PHY_PIPE, "pclk_usb3phy_pipe", "pclk_phy_pre", 0, RK3328_CLKGATE_CON(28), 2, GFLAGS), + GATE(PCLK_USB3_GRF, "pclk_usb3_grf", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 2, GFLAGS), + GATE(PCLK_USB2_GRF, "pclk_usb2_grf", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 14, GFLAGS), + GATE(0, "pclk_ddrphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 13, GFLAGS), + GATE(0, "pclk_acodecphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 5, GFLAGS), + GATE(PCLK_HDMIPHY, "pclk_hdmiphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 7, GFLAGS), + GATE(0, "pclk_vdacphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 8, GFLAGS), + GATE(0, "pclk_phy_niu", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 15, GFLAGS), + + /* PD_MMC */ + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", + RK3328_SDMMC_CON0, 1), + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", + RK3328_SDMMC_CON1, 1), + + MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", + RK3328_SDIO_CON0, 1), + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", + RK3328_SDIO_CON1, 1), + + MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", + RK3328_EMMC_CON0, 1), + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", + RK3328_EMMC_CON1, 1), + + MMC(SCLK_SDMMC_EXT_DRV, "sdmmc_ext_drv", "sclk_sdmmc_ext", + RK3328_SDMMC_EXT_CON0, 1), + MMC(SCLK_SDMMC_EXT_SAMPLE, "sdmmc_ext_sample", "sclk_sdmmc_ext", + RK3328_SDMMC_EXT_CON1, 1), +}; + +static const char *const rk3328_critical_clocks[] __initconst = { + "aclk_bus", + "pclk_bus", + "hclk_bus", + "aclk_peri", + "hclk_peri", + "pclk_peri", + "pclk_dbg", + "aclk_core_niu", + "aclk_gic400", + "aclk_intmem", + "hclk_rom", + "pclk_grf", + "pclk_cru", + "pclk_sgrf", + "pclk_timer0", + "clk_timer0", + "pclk_ddr_msch", + "pclk_ddr_mon", + "pclk_ddr_grf", + "clk_ddrupctl", + "clk_ddrmsch", + "hclk_ahb1tom", + "clk_jtag", + "pclk_ddrphy", + "pclk_pmu", + "hclk_otg_pmu", + "aclk_rga_niu", + "pclk_vio_h2p", + "hclk_vio_h2p", +}; + +static void __init rk3328_clk_init(struct device_node *np) +{ + struct rockchip_clk_provider *ctx; + void __iomem *reg_base; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru region\n", __func__); + return; + } + + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(reg_base); + return; + } + + rockchip_clk_register_plls(ctx, rk3328_pll_clks, + ARRAY_SIZE(rk3328_pll_clks), + RK3328_GRF_SOC_STATUS0); + rockchip_clk_register_branches(ctx, rk3328_clk_branches, + ARRAY_SIZE(rk3328_clk_branches)); + rockchip_clk_protect_critical(rk3328_critical_clocks, + ARRAY_SIZE(rk3328_critical_clocks)); + + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", + mux_armclk_p, ARRAY_SIZE(mux_armclk_p), + &rk3328_cpuclk_data, rk3328_cpuclk_rates, + ARRAY_SIZE(rk3328_cpuclk_rates)); + + rockchip_register_softrst(np, 11, reg_base + RK3328_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_register_restart_notifier(ctx, RK3328_GLB_SRST_FST, NULL); + + rockchip_clk_of_add_provider(np, ctx); +} +CLK_OF_DECLARE(rk3328_cru, "rockchip,rk3328-cru", rk3328_clk_init); diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index b886be30f34f..fe1d393cf678 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -344,7 +344,6 @@ struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np, ctx->clk_data.clks = clk_table; ctx->clk_data.clk_num = nr_clks; ctx->cru_node = np; - ctx->grf = ERR_PTR(-EPROBE_DEFER); spin_lock_init(&ctx->lock); ctx->grf = syscon_regmap_lookup_by_phandle(ctx->cru_node, @@ -417,6 +416,13 @@ void __init rockchip_clk_register_branches( list->mux_shift, list->mux_width, list->mux_flags, &ctx->lock); break; + case branch_muxgrf: + clk = rockchip_clk_register_muxgrf(list->name, + list->parent_names, list->num_parents, + flags, ctx->grf, list->muxdiv_offset, + list->mux_shift, list->mux_width, + list->mux_flags); + break; case branch_divider: if (list->div_table) clk = clk_register_divider_table(NULL, diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index d67eecc4ade9..7c15473ea72b 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -91,6 +91,24 @@ struct clk; #define RK3288_EMMC_CON0 0x218 #define RK3288_EMMC_CON1 0x21c +#define RK3328_PLL_CON(x) RK2928_PLL_CON(x) +#define RK3328_CLKSEL_CON(x) ((x) * 0x4 + 0x100) +#define RK3328_CLKGATE_CON(x) ((x) * 0x4 + 0x200) +#define RK3328_GRFCLKSEL_CON(x) ((x) * 0x4 + 0x100) +#define RK3328_GLB_SRST_FST 0x9c +#define RK3328_GLB_SRST_SND 0x98 +#define RK3328_SOFTRST_CON(x) ((x) * 0x4 + 0x300) +#define RK3328_MODE_CON 0x80 +#define RK3328_MISC_CON 0x84 +#define RK3328_SDMMC_CON0 0x380 +#define RK3328_SDMMC_CON1 0x384 +#define RK3328_SDIO_CON0 0x388 +#define RK3328_SDIO_CON1 0x38c +#define RK3328_EMMC_CON0 0x390 +#define RK3328_EMMC_CON1 0x394 +#define RK3328_SDMMC_EXT_CON0 0x398 +#define RK3328_SDMMC_EXT_CON1 0x39C + #define RK3368_PLL_CON(x) RK2928_PLL_CON(x) #define RK3368_CLKSEL_CON(x) ((x) * 0x4 + 0x100) #define RK3368_CLKGATE_CON(x) ((x) * 0x4 + 0x200) @@ -130,6 +148,7 @@ struct clk; enum rockchip_pll_type { pll_rk3036, pll_rk3066, + pll_rk3328, pll_rk3399, }; @@ -317,11 +336,17 @@ struct clk *rockchip_clk_register_inverter(const char *name, void __iomem *reg, int shift, int flags, spinlock_t *lock); +struct clk *rockchip_clk_register_muxgrf(const char *name, + const char *const *parent_names, u8 num_parents, + int flags, struct regmap *grf, int reg, + int shift, int width, int mux_flags); + #define PNAME(x) static const char *const x[] __initconst enum rockchip_clk_branch_type { branch_composite, branch_mux, + branch_muxgrf, branch_divider, branch_fraction_divider, branch_gate, @@ -551,6 +576,21 @@ struct rockchip_clk_branch { .gate_offset = -1, \ } +#define MUXGRF(_id, cname, pnames, f, o, s, w, mf) \ + { \ + .id = _id, \ + .branch_type = branch_muxgrf, \ + .name = cname, \ + .parent_names = pnames, \ + .num_parents = ARRAY_SIZE(pnames), \ + .flags = f, \ + .muxdiv_offset = o, \ + .mux_shift = s, \ + .mux_width = w, \ + .mux_flags = mf, \ + .gate_offset = -1, \ + } + #define DIV(_id, cname, pname, f, o, s, w, df) \ { \ .id = _id, \ diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 57f4dc6dc447..7afc21dc374e 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -5,7 +5,6 @@ obj-$(CONFIG_COMMON_CLK) += clk.o clk-pll.o clk-cpu.o obj-$(CONFIG_SOC_EXYNOS3250) += clk-exynos3250.o obj-$(CONFIG_ARCH_EXYNOS4) += clk-exynos4.o -obj-$(CONFIG_SOC_EXYNOS4415) += clk-exynos4415.o obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5260) += clk-exynos5260.o obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index 17e68a724945..cb7df358a27d 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -44,7 +44,7 @@ static unsigned long reg_save[][2] = { { ASS_CLK_GATE, 0 }, }; -static int exynos_audss_clk_suspend(void) +static int exynos_audss_clk_suspend(struct device *dev) { int i; @@ -54,18 +54,15 @@ static int exynos_audss_clk_suspend(void) return 0; } -static void exynos_audss_clk_resume(void) +static int exynos_audss_clk_resume(struct device *dev) { int i; for (i = 0; i < ARRAY_SIZE(reg_save); i++) writel(reg_save[i][1], reg_base + reg_save[i][0]); -} -static struct syscore_ops exynos_audss_clk_syscore_ops = { - .suspend = exynos_audss_clk_suspend, - .resume = exynos_audss_clk_resume, -}; + return 0; +} #endif /* CONFIG_PM_SLEEP */ struct exynos_audss_clk_drvdata { @@ -251,9 +248,6 @@ static int exynos_audss_clk_probe(struct platform_device *pdev) goto unregister; } -#ifdef CONFIG_PM_SLEEP - register_syscore_ops(&exynos_audss_clk_syscore_ops); -#endif return 0; unregister: @@ -267,10 +261,6 @@ unregister: static int exynos_audss_clk_remove(struct platform_device *pdev) { -#ifdef CONFIG_PM_SLEEP - unregister_syscore_ops(&exynos_audss_clk_syscore_ops); -#endif - of_clk_del_provider(pdev->dev.of_node); exynos_audss_clk_teardown(); @@ -281,10 +271,16 @@ static int exynos_audss_clk_remove(struct platform_device *pdev) return 0; } +static const struct dev_pm_ops exynos_audss_clk_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(exynos_audss_clk_suspend, + exynos_audss_clk_resume) +}; + static struct platform_driver exynos_audss_clk_driver = { .driver = { .name = "exynos-audss-clk", .of_match_table = exynos_audss_clk_of_match, + .pm = &exynos_audss_clk_pm_ops, }, .probe = exynos_audss_clk_probe, .remove = exynos_audss_clk_remove, diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index faab9b31baf5..e40b77583c47 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1298,6 +1298,8 @@ static const struct samsung_pll_rate_table exynos4210_vpll_rates[] __initconst = }; static const struct samsung_pll_rate_table exynos4x12_apll_rates[] __initconst = { + PLL_35XX_RATE(1704000000, 213, 3, 0), + PLL_35XX_RATE(1600000000, 200, 3, 0), PLL_35XX_RATE(1500000000, 250, 4, 0), PLL_35XX_RATE(1400000000, 175, 3, 0), PLL_35XX_RATE(1300000000, 325, 6, 0), @@ -1421,6 +1423,8 @@ static const struct exynos_cpuclk_cfg_data e4212_armclk_d[] __initconst = { (((cores) << 8) | ((hpm) << 4) | ((copy) << 0)) static const struct exynos_cpuclk_cfg_data e4412_armclk_d[] __initconst = { + { 1704000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(7, 0, 7), }, + { 1600000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(7, 0, 6), }, { 1500000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(7, 0, 6), }, { 1400000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(6, 0, 6), }, { 1300000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4412_CPU_DIV1(6, 0, 5), }, diff --git a/drivers/clk/samsung/clk-exynos4415.c b/drivers/clk/samsung/clk-exynos4415.c deleted file mode 100644 index 6c9063159717..000000000000 --- a/drivers/clk/samsung/clk-exynos4415.c +++ /dev/null @@ -1,1022 +0,0 @@ -/* - * Copyright (c) 2014 Samsung Electronics Co., Ltd. - * Author: Chanwoo Choi <cw00.choi@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Common Clock Framework support for Exynos4415 SoC. - */ - -#include <linux/clk-provider.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/platform_device.h> -#include <linux/syscore_ops.h> - -#include <dt-bindings/clock/exynos4415.h> - -#include "clk.h" -#include "clk-pll.h" - -#define SRC_LEFTBUS 0x4200 -#define DIV_LEFTBUS 0x4500 -#define GATE_IP_LEFTBUS 0x4800 -#define GATE_IP_IMAGE 0x4930 -#define SRC_RIGHTBUS 0x8200 -#define DIV_RIGHTBUS 0x8500 -#define GATE_IP_RIGHTBUS 0x8800 -#define GATE_IP_PERIR 0x8960 -#define EPLL_LOCK 0xc010 -#define G3D_PLL_LOCK 0xc020 -#define DISP_PLL_LOCK 0xc030 -#define ISP_PLL_LOCK 0xc040 -#define EPLL_CON0 0xc110 -#define EPLL_CON1 0xc114 -#define EPLL_CON2 0xc118 -#define G3D_PLL_CON0 0xc120 -#define G3D_PLL_CON1 0xc124 -#define G3D_PLL_CON2 0xc128 -#define ISP_PLL_CON0 0xc130 -#define ISP_PLL_CON1 0xc134 -#define ISP_PLL_CON2 0xc138 -#define DISP_PLL_CON0 0xc140 -#define DISP_PLL_CON1 0xc144 -#define DISP_PLL_CON2 0xc148 -#define SRC_TOP0 0xc210 -#define SRC_TOP1 0xc214 -#define SRC_CAM 0xc220 -#define SRC_TV 0xc224 -#define SRC_MFC 0xc228 -#define SRC_G3D 0xc22c -#define SRC_LCD 0xc234 -#define SRC_ISP 0xc238 -#define SRC_MAUDIO 0xc23c -#define SRC_FSYS 0xc240 -#define SRC_PERIL0 0xc250 -#define SRC_PERIL1 0xc254 -#define SRC_CAM1 0xc258 -#define SRC_TOP_ISP0 0xc25c -#define SRC_TOP_ISP1 0xc260 -#define SRC_MASK_TOP 0xc310 -#define SRC_MASK_CAM 0xc320 -#define SRC_MASK_TV 0xc324 -#define SRC_MASK_LCD 0xc334 -#define SRC_MASK_ISP 0xc338 -#define SRC_MASK_MAUDIO 0xc33c -#define SRC_MASK_FSYS 0xc340 -#define SRC_MASK_PERIL0 0xc350 -#define SRC_MASK_PERIL1 0xc354 -#define DIV_TOP 0xc510 -#define DIV_CAM 0xc520 -#define DIV_TV 0xc524 -#define DIV_MFC 0xc528 -#define DIV_G3D 0xc52c -#define DIV_LCD 0xc534 -#define DIV_ISP 0xc538 -#define DIV_MAUDIO 0xc53c -#define DIV_FSYS0 0xc540 -#define DIV_FSYS1 0xc544 -#define DIV_FSYS2 0xc548 -#define DIV_PERIL0 0xc550 -#define DIV_PERIL1 0xc554 -#define DIV_PERIL2 0xc558 -#define DIV_PERIL3 0xc55c -#define DIV_PERIL4 0xc560 -#define DIV_PERIL5 0xc564 -#define DIV_CAM1 0xc568 -#define DIV_TOP_ISP1 0xc56c -#define DIV_TOP_ISP0 0xc570 -#define CLKDIV2_RATIO 0xc580 -#define GATE_SCLK_CAM 0xc820 -#define GATE_SCLK_TV 0xc824 -#define GATE_SCLK_MFC 0xc828 -#define GATE_SCLK_G3D 0xc82c -#define GATE_SCLK_LCD 0xc834 -#define GATE_SCLK_MAUDIO 0xc83c -#define GATE_SCLK_FSYS 0xc840 -#define GATE_SCLK_PERIL 0xc850 -#define GATE_IP_CAM 0xc920 -#define GATE_IP_TV 0xc924 -#define GATE_IP_MFC 0xc928 -#define GATE_IP_G3D 0xc92c -#define GATE_IP_LCD 0xc934 -#define GATE_IP_FSYS 0xc940 -#define GATE_IP_PERIL 0xc950 -#define GATE_BLOCK 0xc970 -#define APLL_LOCK 0x14000 -#define APLL_CON0 0x14100 -#define SRC_CPU 0x14200 -#define DIV_CPU0 0x14500 -#define DIV_CPU1 0x14504 - -static const unsigned long exynos4415_cmu_clk_regs[] __initconst = { - SRC_LEFTBUS, - DIV_LEFTBUS, - GATE_IP_LEFTBUS, - GATE_IP_IMAGE, - SRC_RIGHTBUS, - DIV_RIGHTBUS, - GATE_IP_RIGHTBUS, - GATE_IP_PERIR, - EPLL_LOCK, - G3D_PLL_LOCK, - DISP_PLL_LOCK, - ISP_PLL_LOCK, - EPLL_CON0, - EPLL_CON1, - EPLL_CON2, - G3D_PLL_CON0, - G3D_PLL_CON1, - G3D_PLL_CON2, - ISP_PLL_CON0, - ISP_PLL_CON1, - ISP_PLL_CON2, - DISP_PLL_CON0, - DISP_PLL_CON1, - DISP_PLL_CON2, - SRC_TOP0, - SRC_TOP1, - SRC_CAM, - SRC_TV, - SRC_MFC, - SRC_G3D, - SRC_LCD, - SRC_ISP, - SRC_MAUDIO, - SRC_FSYS, - SRC_PERIL0, - SRC_PERIL1, - SRC_CAM1, - SRC_TOP_ISP0, - SRC_TOP_ISP1, - SRC_MASK_TOP, - SRC_MASK_CAM, - SRC_MASK_TV, - SRC_MASK_LCD, - SRC_MASK_ISP, - SRC_MASK_MAUDIO, - SRC_MASK_FSYS, - SRC_MASK_PERIL0, - SRC_MASK_PERIL1, - DIV_TOP, - DIV_CAM, - DIV_TV, - DIV_MFC, - DIV_G3D, - DIV_LCD, - DIV_ISP, - DIV_MAUDIO, - DIV_FSYS0, - DIV_FSYS1, - DIV_FSYS2, - DIV_PERIL0, - DIV_PERIL1, - DIV_PERIL2, - DIV_PERIL3, - DIV_PERIL4, - DIV_PERIL5, - DIV_CAM1, - DIV_TOP_ISP1, - DIV_TOP_ISP0, - CLKDIV2_RATIO, - GATE_SCLK_CAM, - GATE_SCLK_TV, - GATE_SCLK_MFC, - GATE_SCLK_G3D, - GATE_SCLK_LCD, - GATE_SCLK_MAUDIO, - GATE_SCLK_FSYS, - GATE_SCLK_PERIL, - GATE_IP_CAM, - GATE_IP_TV, - GATE_IP_MFC, - GATE_IP_G3D, - GATE_IP_LCD, - GATE_IP_FSYS, - GATE_IP_PERIL, - GATE_BLOCK, - APLL_LOCK, - APLL_CON0, - SRC_CPU, - DIV_CPU0, - DIV_CPU1, -}; - -/* list of all parent clock list */ -PNAME(mout_g3d_pllsrc_p) = { "fin_pll", }; - -PNAME(mout_apll_p) = { "fin_pll", "fout_apll", }; -PNAME(mout_g3d_pll_p) = { "fin_pll", "fout_g3d_pll", }; -PNAME(mout_isp_pll_p) = { "fin_pll", "fout_isp_pll", }; -PNAME(mout_disp_pll_p) = { "fin_pll", "fout_disp_pll", }; - -PNAME(mout_mpll_user_p) = { "fin_pll", "div_mpll_pre", }; -PNAME(mout_epll_p) = { "fin_pll", "fout_epll", }; -PNAME(mout_core_p) = { "mout_apll", "mout_mpll_user_c", }; -PNAME(mout_hpm_p) = { "mout_apll", "mout_mpll_user_c", }; - -PNAME(mout_ebi_p) = { "div_aclk_200", "div_aclk_160", }; -PNAME(mout_ebi_1_p) = { "mout_ebi", "mout_g3d_pll", }; - -PNAME(mout_gdl_p) = { "mout_mpll_user_l", }; -PNAME(mout_gdr_p) = { "mout_mpll_user_r", }; - -PNAME(mout_aclk_266_p) = { "mout_mpll_user_t", "mout_g3d_pll", }; - -PNAME(group_epll_g3dpll_p) = { "mout_epll", "mout_g3d_pll" }; -PNAME(group_sclk_p) = { "xxti", "xusbxti", - "none", "mout_isp_pll", - "none", "none", "div_mpll_pre", - "mout_epll", "mout_g3d_pll", }; -PNAME(group_spdif_p) = { "mout_audio0", "mout_audio1", - "mout_audio2", "spdif_extclk", }; -PNAME(group_sclk_audio2_p) = { "audiocdclk2", "none", - "none", "mout_isp_pll", - "mout_disp_pll", "xusbxti", - "div_mpll_pre", "mout_epll", - "mout_g3d_pll", }; -PNAME(group_sclk_audio1_p) = { "audiocdclk1", "none", - "none", "mout_isp_pll", - "mout_disp_pll", "xusbxti", - "div_mpll_pre", "mout_epll", - "mout_g3d_pll", }; -PNAME(group_sclk_audio0_p) = { "audiocdclk0", "none", - "none", "mout_isp_pll", - "mout_disp_pll", "xusbxti", - "div_mpll_pre", "mout_epll", - "mout_g3d_pll", }; -PNAME(group_fimc_lclk_p) = { "xxti", "xusbxti", - "none", "mout_isp_pll", - "none", "mout_disp_pll", - "mout_mpll_user_t", "mout_epll", - "mout_g3d_pll", }; -PNAME(group_sclk_fimd0_p) = { "xxti", "xusbxti", - "m_bitclkhsdiv4_4l", "mout_isp_pll", - "mout_disp_pll", "sclk_hdmiphy", - "div_mpll_pre", "mout_epll", - "mout_g3d_pll", }; -PNAME(mout_hdmi_p) = { "sclk_pixel", "sclk_hdmiphy" }; -PNAME(mout_mfc_p) = { "mout_mfc_0", "mout_mfc_1" }; -PNAME(mout_g3d_p) = { "mout_g3d_0", "mout_g3d_1" }; -PNAME(mout_jpeg_p) = { "mout_jpeg_0", "mout_jpeg_1" }; -PNAME(mout_jpeg1_p) = { "mout_epll", "mout_g3d_pll" }; -PNAME(group_aclk_isp0_300_p) = { "mout_isp_pll", "div_mpll_pre" }; -PNAME(group_aclk_isp0_400_user_p) = { "fin_pll", "div_aclk_400_mcuisp" }; -PNAME(group_aclk_isp0_300_user_p) = { "fin_pll", "mout_aclk_isp0_300" }; -PNAME(group_aclk_isp1_300_user_p) = { "fin_pll", "mout_aclk_isp1_300" }; -PNAME(group_mout_mpll_user_t_p) = { "mout_mpll_user_t" }; - -static const struct samsung_fixed_factor_clock exynos4415_fixed_factor_clks[] __initconst = { - /* HACK: fin_pll hardcoded to xusbxti until detection is implemented. */ - FFACTOR(CLK_FIN_PLL, "fin_pll", "xusbxti", 1, 1, 0), -}; - -static const struct samsung_fixed_rate_clock exynos4415_fixed_rate_clks[] __initconst = { - FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 27000000), -}; - -static const struct samsung_mux_clock exynos4415_mux_clks[] __initconst = { - /* - * NOTE: Following table is sorted by register address in ascending - * order and then bitfield shift in descending order, as it is done - * in the User's Manual. When adding new entries, please make sure - * that the order is preserved, to avoid merge conflicts and make - * further work with defined data easier. - */ - - /* SRC_LEFTBUS */ - MUX(CLK_MOUT_MPLL_USER_L, "mout_mpll_user_l", mout_mpll_user_p, - SRC_LEFTBUS, 4, 1), - MUX(CLK_MOUT_GDL, "mout_gdl", mout_gdl_p, SRC_LEFTBUS, 0, 1), - - /* SRC_RIGHTBUS */ - MUX(CLK_MOUT_MPLL_USER_R, "mout_mpll_user_r", mout_mpll_user_p, - SRC_RIGHTBUS, 4, 1), - MUX(CLK_MOUT_GDR, "mout_gdr", mout_gdr_p, SRC_RIGHTBUS, 0, 1), - - /* SRC_TOP0 */ - MUX(CLK_MOUT_EBI, "mout_ebi", mout_ebi_p, SRC_TOP0, 28, 1), - MUX(CLK_MOUT_ACLK_200, "mout_aclk_200", group_mout_mpll_user_t_p, - SRC_TOP0, 24, 1), - MUX(CLK_MOUT_ACLK_160, "mout_aclk_160", group_mout_mpll_user_t_p, - SRC_TOP0, 20, 1), - MUX(CLK_MOUT_ACLK_100, "mout_aclk_100", group_mout_mpll_user_t_p, - SRC_TOP0, 16, 1), - MUX(CLK_MOUT_ACLK_266, "mout_aclk_266", mout_aclk_266_p, - SRC_TOP0, 12, 1), - MUX(CLK_MOUT_G3D_PLL, "mout_g3d_pll", mout_g3d_pll_p, - SRC_TOP0, 8, 1), - MUX(CLK_MOUT_EPLL, "mout_epll", mout_epll_p, SRC_TOP0, 4, 1), - MUX(CLK_MOUT_EBI_1, "mout_ebi_1", mout_ebi_1_p, SRC_TOP0, 0, 1), - - /* SRC_TOP1 */ - MUX(CLK_MOUT_ISP_PLL, "mout_isp_pll", mout_isp_pll_p, - SRC_TOP1, 28, 1), - MUX(CLK_MOUT_DISP_PLL, "mout_disp_pll", mout_disp_pll_p, - SRC_TOP1, 16, 1), - MUX(CLK_MOUT_MPLL_USER_T, "mout_mpll_user_t", mout_mpll_user_p, - SRC_TOP1, 12, 1), - MUX(CLK_MOUT_ACLK_400_MCUISP, "mout_aclk_400_mcuisp", - group_mout_mpll_user_t_p, SRC_TOP1, 8, 1), - MUX(CLK_MOUT_G3D_PLLSRC, "mout_g3d_pllsrc", mout_g3d_pllsrc_p, - SRC_TOP1, 0, 1), - - /* SRC_CAM */ - MUX(CLK_MOUT_CSIS1, "mout_csis1", group_fimc_lclk_p, SRC_CAM, 28, 4), - MUX(CLK_MOUT_CSIS0, "mout_csis0", group_fimc_lclk_p, SRC_CAM, 24, 4), - MUX(CLK_MOUT_CAM1, "mout_cam1", group_fimc_lclk_p, SRC_CAM, 20, 4), - MUX(CLK_MOUT_FIMC3_LCLK, "mout_fimc3_lclk", group_fimc_lclk_p, SRC_CAM, - 12, 4), - MUX(CLK_MOUT_FIMC2_LCLK, "mout_fimc2_lclk", group_fimc_lclk_p, SRC_CAM, - 8, 4), - MUX(CLK_MOUT_FIMC1_LCLK, "mout_fimc1_lclk", group_fimc_lclk_p, SRC_CAM, - 4, 4), - MUX(CLK_MOUT_FIMC0_LCLK, "mout_fimc0_lclk", group_fimc_lclk_p, SRC_CAM, - 0, 4), - - /* SRC_TV */ - MUX(CLK_MOUT_HDMI, "mout_hdmi", mout_hdmi_p, SRC_TV, 0, 1), - - /* SRC_MFC */ - MUX(CLK_MOUT_MFC, "mout_mfc", mout_mfc_p, SRC_MFC, 8, 1), - MUX(CLK_MOUT_MFC_1, "mout_mfc_1", group_epll_g3dpll_p, SRC_MFC, 4, 1), - MUX(CLK_MOUT_MFC_0, "mout_mfc_0", group_mout_mpll_user_t_p, SRC_MFC, 0, - 1), - - /* SRC_G3D */ - MUX(CLK_MOUT_G3D, "mout_g3d", mout_g3d_p, SRC_G3D, 8, 1), - MUX(CLK_MOUT_G3D_1, "mout_g3d_1", group_epll_g3dpll_p, SRC_G3D, 4, 1), - MUX(CLK_MOUT_G3D_0, "mout_g3d_0", group_mout_mpll_user_t_p, SRC_G3D, 0, - 1), - - /* SRC_LCD */ - MUX(CLK_MOUT_MIPI0, "mout_mipi0", group_fimc_lclk_p, SRC_LCD, 12, 4), - MUX(CLK_MOUT_FIMD0, "mout_fimd0", group_sclk_fimd0_p, SRC_LCD, 0, 4), - - /* SRC_ISP */ - MUX(CLK_MOUT_TSADC_ISP, "mout_tsadc_isp", group_fimc_lclk_p, SRC_ISP, - 16, 4), - MUX(CLK_MOUT_UART_ISP, "mout_uart_isp", group_fimc_lclk_p, SRC_ISP, - 12, 4), - MUX(CLK_MOUT_SPI1_ISP, "mout_spi1_isp", group_fimc_lclk_p, SRC_ISP, - 8, 4), - MUX(CLK_MOUT_SPI0_ISP, "mout_spi0_isp", group_fimc_lclk_p, SRC_ISP, - 4, 4), - MUX(CLK_MOUT_PWM_ISP, "mout_pwm_isp", group_fimc_lclk_p, SRC_ISP, - 0, 4), - - /* SRC_MAUDIO */ - MUX(CLK_MOUT_AUDIO0, "mout_audio0", group_sclk_audio0_p, SRC_MAUDIO, - 0, 4), - - /* SRC_FSYS */ - MUX(CLK_MOUT_TSADC, "mout_tsadc", group_sclk_p, SRC_FSYS, 28, 4), - MUX(CLK_MOUT_MMC2, "mout_mmc2", group_sclk_p, SRC_FSYS, 8, 4), - MUX(CLK_MOUT_MMC1, "mout_mmc1", group_sclk_p, SRC_FSYS, 4, 4), - MUX(CLK_MOUT_MMC0, "mout_mmc0", group_sclk_p, SRC_FSYS, 0, 4), - - /* SRC_PERIL0 */ - MUX(CLK_MOUT_UART3, "mout_uart3", group_sclk_p, SRC_PERIL0, 12, 4), - MUX(CLK_MOUT_UART2, "mout_uart2", group_sclk_p, SRC_PERIL0, 8, 4), - MUX(CLK_MOUT_UART1, "mout_uart1", group_sclk_p, SRC_PERIL0, 4, 4), - MUX(CLK_MOUT_UART0, "mout_uart0", group_sclk_p, SRC_PERIL0, 0, 4), - - /* SRC_PERIL1 */ - MUX(CLK_MOUT_SPI2, "mout_spi2", group_sclk_p, SRC_PERIL1, 24, 4), - MUX(CLK_MOUT_SPI1, "mout_spi1", group_sclk_p, SRC_PERIL1, 20, 4), - MUX(CLK_MOUT_SPI0, "mout_spi0", group_sclk_p, SRC_PERIL1, 16, 4), - MUX(CLK_MOUT_SPDIF, "mout_spdif", group_spdif_p, SRC_PERIL1, 8, 4), - MUX(CLK_MOUT_AUDIO2, "mout_audio2", group_sclk_audio2_p, SRC_PERIL1, - 4, 4), - MUX(CLK_MOUT_AUDIO1, "mout_audio1", group_sclk_audio1_p, SRC_PERIL1, - 0, 4), - - /* SRC_CPU */ - MUX(CLK_MOUT_MPLL_USER_C, "mout_mpll_user_c", mout_mpll_user_p, - SRC_CPU, 24, 1), - MUX(CLK_MOUT_HPM, "mout_hpm", mout_hpm_p, SRC_CPU, 20, 1), - MUX_F(CLK_MOUT_CORE, "mout_core", mout_core_p, SRC_CPU, 16, 1, 0, - CLK_MUX_READ_ONLY), - MUX_F(CLK_MOUT_APLL, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, - CLK_SET_RATE_PARENT, 0), - - /* SRC_CAM1 */ - MUX(CLK_MOUT_PXLASYNC_CSIS1_FIMC, "mout_pxlasync_csis1", - group_fimc_lclk_p, SRC_CAM1, 20, 1), - MUX(CLK_MOUT_PXLASYNC_CSIS0_FIMC, "mout_pxlasync_csis0", - group_fimc_lclk_p, SRC_CAM1, 16, 1), - MUX(CLK_MOUT_JPEG, "mout_jpeg", mout_jpeg_p, SRC_CAM1, 8, 1), - MUX(CLK_MOUT_JPEG1, "mout_jpeg_1", mout_jpeg1_p, SRC_CAM1, 4, 1), - MUX(CLK_MOUT_JPEG0, "mout_jpeg_0", group_mout_mpll_user_t_p, SRC_CAM1, - 0, 1), - - /* SRC_TOP_ISP0 */ - MUX(CLK_MOUT_ACLK_ISP0_300, "mout_aclk_isp0_300", - group_aclk_isp0_300_p, SRC_TOP_ISP0, 8, 1), - MUX(CLK_MOUT_ACLK_ISP0_400, "mout_aclk_isp0_400_user", - group_aclk_isp0_400_user_p, SRC_TOP_ISP0, 4, 1), - MUX(CLK_MOUT_ACLK_ISP0_300_USER, "mout_aclk_isp0_300_user", - group_aclk_isp0_300_user_p, SRC_TOP_ISP0, 0, 1), - - /* SRC_TOP_ISP1 */ - MUX(CLK_MOUT_ACLK_ISP1_300, "mout_aclk_isp1_300", - group_aclk_isp0_300_p, SRC_TOP_ISP1, 4, 1), - MUX(CLK_MOUT_ACLK_ISP1_300_USER, "mout_aclk_isp1_300_user", - group_aclk_isp1_300_user_p, SRC_TOP_ISP1, 0, 1), -}; - -static const struct samsung_div_clock exynos4415_div_clks[] __initconst = { - /* - * NOTE: Following table is sorted by register address in ascending - * order and then bitfield shift in descending order, as it is done - * in the User's Manual. When adding new entries, please make sure - * that the order is preserved, to avoid merge conflicts and make - * further work with defined data easier. - */ - - /* DIV_LEFTBUS */ - DIV(CLK_DIV_GPL, "div_gpl", "div_gdl", DIV_LEFTBUS, 4, 3), - DIV(CLK_DIV_GDL, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 4), - - /* DIV_RIGHTBUS */ - DIV(CLK_DIV_GPR, "div_gpr", "div_gdr", DIV_RIGHTBUS, 4, 3), - DIV(CLK_DIV_GDR, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 4), - - /* DIV_TOP */ - DIV(CLK_DIV_ACLK_400_MCUISP, "div_aclk_400_mcuisp", - "mout_aclk_400_mcuisp", DIV_TOP, 24, 3), - DIV(CLK_DIV_EBI, "div_ebi", "mout_ebi_1", DIV_TOP, 16, 3), - DIV(CLK_DIV_ACLK_200, "div_aclk_200", "mout_aclk_200", DIV_TOP, 12, 3), - DIV(CLK_DIV_ACLK_160, "div_aclk_160", "mout_aclk_160", DIV_TOP, 8, 3), - DIV(CLK_DIV_ACLK_100, "div_aclk_100", "mout_aclk_100", DIV_TOP, 4, 4), - DIV(CLK_DIV_ACLK_266, "div_aclk_266", "mout_aclk_266", DIV_TOP, 0, 3), - - /* DIV_CAM */ - DIV(CLK_DIV_CSIS1, "div_csis1", "mout_csis1", DIV_CAM, 28, 4), - DIV(CLK_DIV_CSIS0, "div_csis0", "mout_csis0", DIV_CAM, 24, 4), - DIV(CLK_DIV_CAM1, "div_cam1", "mout_cam1", DIV_CAM, 20, 4), - DIV(CLK_DIV_FIMC3_LCLK, "div_fimc3_lclk", "mout_fimc3_lclk", DIV_CAM, - 12, 4), - DIV(CLK_DIV_FIMC2_LCLK, "div_fimc2_lclk", "mout_fimc2_lclk", DIV_CAM, - 8, 4), - DIV(CLK_DIV_FIMC1_LCLK, "div_fimc1_lclk", "mout_fimc1_lclk", DIV_CAM, - 4, 4), - DIV(CLK_DIV_FIMC0_LCLK, "div_fimc0_lclk", "mout_fimc0_lclk", DIV_CAM, - 0, 4), - - /* DIV_TV */ - DIV(CLK_DIV_TV_BLK, "div_tv_blk", "mout_g3d_pll", DIV_TV, 0, 4), - - /* DIV_MFC */ - DIV(CLK_DIV_MFC, "div_mfc", "mout_mfc", DIV_MFC, 0, 4), - - /* DIV_G3D */ - DIV(CLK_DIV_G3D, "div_g3d", "mout_g3d", DIV_G3D, 0, 4), - - /* DIV_LCD */ - DIV_F(CLK_DIV_MIPI0_PRE, "div_mipi0_pre", "div_mipi0", DIV_LCD, 20, 4, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_MIPI0, "div_mipi0", "mout_mipi0", DIV_LCD, 16, 4), - DIV(CLK_DIV_FIMD0, "div_fimd0", "mout_fimd0", DIV_LCD, 0, 4), - - /* DIV_ISP */ - DIV(CLK_DIV_UART_ISP, "div_uart_isp", "mout_uart_isp", DIV_ISP, 28, 4), - DIV_F(CLK_DIV_SPI1_ISP_PRE, "div_spi1_isp_pre", "div_spi1_isp", - DIV_ISP, 20, 8, CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_SPI1_ISP, "div_spi1_isp", "mout_spi1_isp", DIV_ISP, 16, 4), - DIV_F(CLK_DIV_SPI0_ISP_PRE, "div_spi0_isp_pre", "div_spi0_isp", - DIV_ISP, 8, 8, CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_SPI0_ISP, "div_spi0_isp", "mout_spi0_isp", DIV_ISP, 4, 4), - DIV(CLK_DIV_PWM_ISP, "div_pwm_isp", "mout_pwm_isp", DIV_ISP, 0, 4), - - /* DIV_MAUDIO */ - DIV(CLK_DIV_PCM0, "div_pcm0", "div_audio0", DIV_MAUDIO, 4, 8), - DIV(CLK_DIV_AUDIO0, "div_audio0", "mout_audio0", DIV_MAUDIO, 0, 4), - - /* DIV_FSYS0 */ - DIV_F(CLK_DIV_TSADC_PRE, "div_tsadc_pre", "div_tsadc", DIV_FSYS0, 8, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_TSADC, "div_tsadc", "mout_tsadc", DIV_FSYS0, 0, 4), - - /* DIV_FSYS1 */ - DIV_F(CLK_DIV_MMC1_PRE, "div_mmc1_pre", "div_mmc1", DIV_FSYS1, 24, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_MMC1, "div_mmc1", "mout_mmc1", DIV_FSYS1, 16, 4), - DIV_F(CLK_DIV_MMC0_PRE, "div_mmc0_pre", "div_mmc0", DIV_FSYS1, 8, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_MMC0, "div_mmc0", "mout_mmc0", DIV_FSYS1, 0, 4), - - /* DIV_FSYS2 */ - DIV_F(CLK_DIV_MMC2_PRE, "div_mmc2_pre", "div_mmc2", DIV_FSYS2, 8, 8, - CLK_SET_RATE_PARENT, 0), - DIV_F(CLK_DIV_MMC2_PRE, "div_mmc2", "mout_mmc2", DIV_FSYS2, 0, 4, - CLK_SET_RATE_PARENT, 0), - - /* DIV_PERIL0 */ - DIV(CLK_DIV_UART3, "div_uart3", "mout_uart3", DIV_PERIL0, 12, 4), - DIV(CLK_DIV_UART2, "div_uart2", "mout_uart2", DIV_PERIL0, 8, 4), - DIV(CLK_DIV_UART1, "div_uart1", "mout_uart1", DIV_PERIL0, 4, 4), - DIV(CLK_DIV_UART0, "div_uart0", "mout_uart0", DIV_PERIL0, 0, 4), - - /* DIV_PERIL1 */ - DIV_F(CLK_DIV_SPI1_PRE, "div_spi1_pre", "div_spi1", DIV_PERIL1, 24, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_SPI1, "div_spi1", "mout_spi1", DIV_PERIL1, 16, 4), - DIV_F(CLK_DIV_SPI0_PRE, "div_spi0_pre", "div_spi0", DIV_PERIL1, 8, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_SPI0, "div_spi0", "mout_spi0", DIV_PERIL1, 0, 4), - - /* DIV_PERIL2 */ - DIV_F(CLK_DIV_SPI2_PRE, "div_spi2_pre", "div_spi2", DIV_PERIL2, 8, 8, - CLK_SET_RATE_PARENT, 0), - DIV(CLK_DIV_SPI2, "div_spi2", "mout_spi2", DIV_PERIL2, 0, 4), - - /* DIV_PERIL4 */ - DIV(CLK_DIV_PCM2, "div_pcm2", "div_audio2", DIV_PERIL4, 20, 8), - DIV(CLK_DIV_AUDIO2, "div_audio2", "mout_audio2", DIV_PERIL4, 16, 4), - DIV(CLK_DIV_PCM1, "div_pcm1", "div_audio1", DIV_PERIL4, 20, 8), - DIV(CLK_DIV_AUDIO1, "div_audio1", "mout_audio1", DIV_PERIL4, 0, 4), - - /* DIV_PERIL5 */ - DIV(CLK_DIV_I2S1, "div_i2s1", "div_audio1", DIV_PERIL5, 0, 6), - - /* DIV_CAM1 */ - DIV(CLK_DIV_PXLASYNC_CSIS1_FIMC, "div_pxlasync_csis1_fimc", - "mout_pxlasync_csis1", DIV_CAM1, 24, 4), - DIV(CLK_DIV_PXLASYNC_CSIS0_FIMC, "div_pxlasync_csis0_fimc", - "mout_pxlasync_csis0", DIV_CAM1, 20, 4), - DIV(CLK_DIV_JPEG, "div_jpeg", "mout_jpeg", DIV_CAM1, 0, 4), - - /* DIV_CPU0 */ - DIV(CLK_DIV_CORE2, "div_core2", "div_core", DIV_CPU0, 28, 3), - DIV_F(CLK_DIV_APLL, "div_apll", "mout_apll", DIV_CPU0, 24, 3, - CLK_GET_RATE_NOCACHE, CLK_DIVIDER_READ_ONLY), - DIV(CLK_DIV_PCLK_DBG, "div_pclk_dbg", "div_core2", DIV_CPU0, 20, 3), - DIV(CLK_DIV_ATB, "div_atb", "div_core2", DIV_CPU0, 16, 3), - DIV(CLK_DIV_PERIPH, "div_periph", "div_core2", DIV_CPU0, 12, 3), - DIV(CLK_DIV_COREM1, "div_corem1", "div_core2", DIV_CPU0, 8, 3), - DIV(CLK_DIV_COREM0, "div_corem0", "div_core2", DIV_CPU0, 4, 3), - DIV_F(CLK_DIV_CORE, "div_core", "mout_core", DIV_CPU0, 0, 3, - CLK_GET_RATE_NOCACHE, CLK_DIVIDER_READ_ONLY), - - /* DIV_CPU1 */ - DIV(CLK_DIV_HPM, "div_hpm", "div_copy", DIV_CPU1, 4, 3), - DIV(CLK_DIV_COPY, "div_copy", "mout_hpm", DIV_CPU1, 0, 3), -}; - -static const struct samsung_gate_clock exynos4415_gate_clks[] __initconst = { - /* - * NOTE: Following table is sorted by register address in ascending - * order and then bitfield shift in descending order, as it is done - * in the User's Manual. When adding new entries, please make sure - * that the order is preserved, to avoid merge conflicts and make - * further work with defined data easier. - */ - - /* GATE_IP_LEFTBUS */ - GATE(CLK_ASYNC_G3D, "async_g3d", "div_aclk_100", GATE_IP_LEFTBUS, 6, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_MFCL, "async_mfcl", "div_aclk_100", GATE_IP_LEFTBUS, 4, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_TVX, "async_tvx", "div_aclk_100", GATE_IP_LEFTBUS, 3, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_PPMULEFT, "ppmuleft", "div_aclk_100", GATE_IP_LEFTBUS, 1, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_GPIO_LEFT, "gpio_left", "div_aclk_100", GATE_IP_LEFTBUS, 0, - CLK_IGNORE_UNUSED, 0), - - /* GATE_IP_IMAGE */ - GATE(CLK_PPMUIMAGE, "ppmuimage", "div_aclk_100", GATE_IP_IMAGE, - 9, 0, 0), - GATE(CLK_QEMDMA2, "qe_mdma2", "div_aclk_100", GATE_IP_IMAGE, - 8, 0, 0), - GATE(CLK_QEROTATOR, "qe_rotator", "div_aclk_100", GATE_IP_IMAGE, - 7, 0, 0), - GATE(CLK_SMMUMDMA2, "smmu_mdam2", "div_aclk_100", GATE_IP_IMAGE, - 5, 0, 0), - GATE(CLK_SMMUROTATOR, "smmu_rotator", "div_aclk_100", GATE_IP_IMAGE, - 4, 0, 0), - GATE(CLK_MDMA2, "mdma2", "div_aclk_100", GATE_IP_IMAGE, 2, 0, 0), - GATE(CLK_ROTATOR, "rotator", "div_aclk_100", GATE_IP_IMAGE, 1, 0, 0), - - /* GATE_IP_RIGHTBUS */ - GATE(CLK_ASYNC_ISPMX, "async_ispmx", "div_aclk_100", - GATE_IP_RIGHTBUS, 9, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_MAUDIOX, "async_maudiox", "div_aclk_100", - GATE_IP_RIGHTBUS, 7, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_MFCR, "async_mfcr", "div_aclk_100", - GATE_IP_RIGHTBUS, 6, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_FSYSD, "async_fsysd", "div_aclk_100", - GATE_IP_RIGHTBUS, 5, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_LCD0X, "async_lcd0x", "div_aclk_100", - GATE_IP_RIGHTBUS, 3, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ASYNC_CAMX, "async_camx", "div_aclk_100", - GATE_IP_RIGHTBUS, 2, CLK_IGNORE_UNUSED, 0), - GATE(CLK_PPMURIGHT, "ppmuright", "div_aclk_100", - GATE_IP_RIGHTBUS, 1, CLK_IGNORE_UNUSED, 0), - GATE(CLK_GPIO_RIGHT, "gpio_right", "div_aclk_100", - GATE_IP_RIGHTBUS, 0, CLK_IGNORE_UNUSED, 0), - - /* GATE_IP_PERIR */ - GATE(CLK_ANTIRBK_APBIF, "antirbk_apbif", "div_aclk_100", - GATE_IP_PERIR, 24, CLK_IGNORE_UNUSED, 0), - GATE(CLK_EFUSE_WRITER_APBIF, "efuse_writer_apbif", "div_aclk_100", - GATE_IP_PERIR, 23, CLK_IGNORE_UNUSED, 0), - GATE(CLK_MONOCNT, "monocnt", "div_aclk_100", GATE_IP_PERIR, 22, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC6, "tzpc6", "div_aclk_100", GATE_IP_PERIR, 21, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_PROVISIONKEY1, "provisionkey1", "div_aclk_100", - GATE_IP_PERIR, 20, CLK_IGNORE_UNUSED, 0), - GATE(CLK_PROVISIONKEY0, "provisionkey0", "div_aclk_100", - GATE_IP_PERIR, 19, CLK_IGNORE_UNUSED, 0), - GATE(CLK_CMU_ISPPART, "cmu_isppart", "div_aclk_100", GATE_IP_PERIR, 18, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TMU_APBIF, "tmu_apbif", "div_aclk_100", - GATE_IP_PERIR, 17, 0, 0), - GATE(CLK_KEYIF, "keyif", "div_aclk_100", GATE_IP_PERIR, 16, 0, 0), - GATE(CLK_RTC, "rtc", "div_aclk_100", GATE_IP_PERIR, 15, 0, 0), - GATE(CLK_WDT, "wdt", "div_aclk_100", GATE_IP_PERIR, 14, 0, 0), - GATE(CLK_MCT, "mct", "div_aclk_100", GATE_IP_PERIR, 13, 0, 0), - GATE(CLK_SECKEY, "seckey", "div_aclk_100", GATE_IP_PERIR, 12, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_HDMI_CEC, "hdmi_cec", "div_aclk_100", GATE_IP_PERIR, 11, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC5, "tzpc5", "div_aclk_100", GATE_IP_PERIR, 10, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC4, "tzpc4", "div_aclk_100", GATE_IP_PERIR, 9, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC3, "tzpc3", "div_aclk_100", GATE_IP_PERIR, 8, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC2, "tzpc2", "div_aclk_100", GATE_IP_PERIR, 7, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC1, "tzpc1", "div_aclk_100", GATE_IP_PERIR, 6, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_TZPC0, "tzpc0", "div_aclk_100", GATE_IP_PERIR, 5, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_CMU_COREPART, "cmu_corepart", "div_aclk_100", GATE_IP_PERIR, 4, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_CMU_TOPPART, "cmu_toppart", "div_aclk_100", GATE_IP_PERIR, 3, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_PMU_APBIF, "pmu_apbif", "div_aclk_100", GATE_IP_PERIR, 2, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_SYSREG, "sysreg", "div_aclk_100", GATE_IP_PERIR, 1, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_CHIP_ID, "chip_id", "div_aclk_100", GATE_IP_PERIR, 0, - CLK_IGNORE_UNUSED, 0), - - /* GATE_SCLK_CAM - non-completed */ - GATE(CLK_SCLK_PXLAYSNC_CSIS1_FIMC, "sclk_pxlasync_csis1_fimc", - "div_pxlasync_csis1_fimc", GATE_SCLK_CAM, 11, - CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_PXLAYSNC_CSIS0_FIMC, "sclk_pxlasync_csis0_fimc", - "div_pxlasync_csis0_fimc", GATE_SCLK_CAM, - 10, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_JPEG, "sclk_jpeg", "div_jpeg", - GATE_SCLK_CAM, 8, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_CSIS1, "sclk_csis1", "div_csis1", - GATE_SCLK_CAM, 7, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_CSIS0, "sclk_csis0", "div_csis0", - GATE_SCLK_CAM, 6, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_CAM1, "sclk_cam1", "div_cam1", - GATE_SCLK_CAM, 5, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_FIMC3_LCLK, "sclk_fimc3_lclk", "div_fimc3_lclk", - GATE_SCLK_CAM, 3, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_FIMC2_LCLK, "sclk_fimc2_lclk", "div_fimc2_lclk", - GATE_SCLK_CAM, 2, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_FIMC1_LCLK, "sclk_fimc1_lclk", "div_fimc1_lclk", - GATE_SCLK_CAM, 1, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_FIMC0_LCLK, "sclk_fimc0_lclk", "div_fimc0_lclk", - GATE_SCLK_CAM, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_TV */ - GATE(CLK_SCLK_PIXEL, "sclk_pixel", "div_tv_blk", - GATE_SCLK_TV, 3, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_HDMI, "sclk_hdmi", "mout_hdmi", - GATE_SCLK_TV, 2, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MIXER, "sclk_mixer", "div_tv_blk", - GATE_SCLK_TV, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_MFC */ - GATE(CLK_SCLK_MFC, "sclk_mfc", "div_mfc", - GATE_SCLK_MFC, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_G3D */ - GATE(CLK_SCLK_G3D, "sclk_g3d", "div_g3d", - GATE_SCLK_G3D, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_LCD */ - GATE(CLK_SCLK_MIPIDPHY4L, "sclk_mipidphy4l", "div_mipi0", - GATE_SCLK_LCD, 4, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MIPI0, "sclk_mipi0", "div_mipi0_pre", - GATE_SCLK_LCD, 3, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MDNIE0, "sclk_mdnie0", "div_fimd0", - GATE_SCLK_LCD, 1, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_FIMD0, "sclk_fimd0", "div_fimd0", - GATE_SCLK_LCD, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_MAUDIO */ - GATE(CLK_SCLK_PCM0, "sclk_pcm0", "div_pcm0", - GATE_SCLK_MAUDIO, 1, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_AUDIO0, "sclk_audio0", "div_audio0", - GATE_SCLK_MAUDIO, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_FSYS */ - GATE(CLK_SCLK_TSADC, "sclk_tsadc", "div_tsadc_pre", - GATE_SCLK_FSYS, 9, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_EBI, "sclk_ebi", "div_ebi", - GATE_SCLK_FSYS, 6, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MMC2, "sclk_mmc2", "div_mmc2_pre", - GATE_SCLK_FSYS, 2, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MMC1, "sclk_mmc1", "div_mmc1_pre", - GATE_SCLK_FSYS, 1, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_MMC0, "sclk_mmc0", "div_mmc0_pre", - GATE_SCLK_FSYS, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_SCLK_PERIL */ - GATE(CLK_SCLK_I2S, "sclk_i2s1", "div_i2s1", - GATE_SCLK_PERIL, 18, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_PCM2, "sclk_pcm2", "div_pcm2", - GATE_SCLK_PERIL, 16, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_PCM1, "sclk_pcm1", "div_pcm1", - GATE_SCLK_PERIL, 15, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_AUDIO2, "sclk_audio2", "div_audio2", - GATE_SCLK_PERIL, 14, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_AUDIO1, "sclk_audio1", "div_audio1", - GATE_SCLK_PERIL, 13, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPDIF, "sclk_spdif", "mout_spdif", - GATE_SCLK_PERIL, 10, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPI2, "sclk_spi2", "div_spi2_pre", - GATE_SCLK_PERIL, 8, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPI1, "sclk_spi1", "div_spi1_pre", - GATE_SCLK_PERIL, 7, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPI0, "sclk_spi0", "div_spi0_pre", - GATE_SCLK_PERIL, 6, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_UART3, "sclk_uart3", "div_uart3", - GATE_SCLK_PERIL, 3, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_UART2, "sclk_uart2", "div_uart2", - GATE_SCLK_PERIL, 2, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_UART1, "sclk_uart1", "div_uart1", - GATE_SCLK_PERIL, 1, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_UART0, "sclk_uart0", "div_uart0", - GATE_SCLK_PERIL, 0, CLK_SET_RATE_PARENT, 0), - - /* GATE_IP_CAM */ - GATE(CLK_SMMUFIMC_LITE2, "smmufimc_lite2", "div_aclk_160", GATE_IP_CAM, - 22, CLK_IGNORE_UNUSED, 0), - GATE(CLK_FIMC_LITE2, "fimc_lite2", "div_aclk_160", GATE_IP_CAM, - 20, CLK_IGNORE_UNUSED, 0), - GATE(CLK_PIXELASYNCM1, "pixelasyncm1", "div_aclk_160", GATE_IP_CAM, - 18, CLK_IGNORE_UNUSED, 0), - GATE(CLK_PIXELASYNCM0, "pixelasyncm0", "div_aclk_160", GATE_IP_CAM, - 17, CLK_IGNORE_UNUSED, 0), - GATE(CLK_PPMUCAMIF, "ppmucamif", "div_aclk_160", GATE_IP_CAM, - 16, CLK_IGNORE_UNUSED, 0), - GATE(CLK_SMMUJPEG, "smmujpeg", "div_aclk_160", GATE_IP_CAM, 11, 0, 0), - GATE(CLK_SMMUFIMC3, "smmufimc3", "div_aclk_160", GATE_IP_CAM, 10, 0, 0), - GATE(CLK_SMMUFIMC2, "smmufimc2", "div_aclk_160", GATE_IP_CAM, 9, 0, 0), - GATE(CLK_SMMUFIMC1, "smmufimc1", "div_aclk_160", GATE_IP_CAM, 8, 0, 0), - GATE(CLK_SMMUFIMC0, "smmufimc0", "div_aclk_160", GATE_IP_CAM, 7, 0, 0), - GATE(CLK_JPEG, "jpeg", "div_aclk_160", GATE_IP_CAM, 6, 0, 0), - GATE(CLK_CSIS1, "csis1", "div_aclk_160", GATE_IP_CAM, 5, 0, 0), - GATE(CLK_CSIS0, "csis0", "div_aclk_160", GATE_IP_CAM, 4, 0, 0), - GATE(CLK_FIMC3, "fimc3", "div_aclk_160", GATE_IP_CAM, 3, 0, 0), - GATE(CLK_FIMC2, "fimc2", "div_aclk_160", GATE_IP_CAM, 2, 0, 0), - GATE(CLK_FIMC1, "fimc1", "div_aclk_160", GATE_IP_CAM, 1, 0, 0), - GATE(CLK_FIMC0, "fimc0", "div_aclk_160", GATE_IP_CAM, 0, 0, 0), - - /* GATE_IP_TV */ - GATE(CLK_PPMUTV, "ppmutv", "div_aclk_100", GATE_IP_TV, 5, 0, 0), - GATE(CLK_SMMUTV, "smmutv", "div_aclk_100", GATE_IP_TV, 4, 0, 0), - GATE(CLK_HDMI, "hdmi", "div_aclk_100", GATE_IP_TV, 3, 0, 0), - GATE(CLK_MIXER, "mixer", "div_aclk_100", GATE_IP_TV, 1, 0, 0), - GATE(CLK_VP, "vp", "div_aclk_100", GATE_IP_TV, 0, 0, 0), - - /* GATE_IP_MFC */ - GATE(CLK_PPMUMFC_R, "ppmumfc_r", "div_aclk_200", GATE_IP_MFC, 4, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_PPMUMFC_L, "ppmumfc_l", "div_aclk_200", GATE_IP_MFC, 3, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_SMMUMFC_R, "smmumfc_r", "div_aclk_200", GATE_IP_MFC, 2, 0, 0), - GATE(CLK_SMMUMFC_L, "smmumfc_l", "div_aclk_200", GATE_IP_MFC, 1, 0, 0), - GATE(CLK_MFC, "mfc", "div_aclk_200", GATE_IP_MFC, 0, 0, 0), - - /* GATE_IP_G3D */ - GATE(CLK_PPMUG3D, "ppmug3d", "div_aclk_200", GATE_IP_G3D, 1, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_G3D, "g3d", "div_aclk_200", GATE_IP_G3D, 0, 0, 0), - - /* GATE_IP_LCD */ - GATE(CLK_PPMULCD0, "ppmulcd0", "div_aclk_160", GATE_IP_LCD, 5, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_SMMUFIMD0, "smmufimd0", "div_aclk_160", GATE_IP_LCD, 4, 0, 0), - GATE(CLK_DSIM0, "dsim0", "div_aclk_160", GATE_IP_LCD, 3, 0, 0), - GATE(CLK_SMIES, "smies", "div_aclk_160", GATE_IP_LCD, 2, 0, 0), - GATE(CLK_MIE0, "mie0", "div_aclk_160", GATE_IP_LCD, 1, 0, 0), - GATE(CLK_FIMD0, "fimd0", "div_aclk_160", GATE_IP_LCD, 0, 0, 0), - - /* GATE_IP_FSYS */ - GATE(CLK_TSADC, "tsadc", "div_aclk_200", GATE_IP_FSYS, 20, 0, 0), - GATE(CLK_PPMUFILE, "ppmufile", "div_aclk_200", GATE_IP_FSYS, 17, - CLK_IGNORE_UNUSED, 0), - GATE(CLK_NFCON, "nfcon", "div_aclk_200", GATE_IP_FSYS, 16, 0, 0), - GATE(CLK_USBDEVICE, "usbdevice", "div_aclk_200", GATE_IP_FSYS, 13, - 0, 0), - GATE(CLK_USBHOST, "usbhost", "div_aclk_200", GATE_IP_FSYS, 12, 0, 0), - GATE(CLK_SROMC, "sromc", "div_aclk_200", GATE_IP_FSYS, 11, 0, 0), - GATE(CLK_SDMMC2, "sdmmc2", "div_aclk_200", GATE_IP_FSYS, 7, 0, 0), - GATE(CLK_SDMMC1, "sdmmc1", "div_aclk_200", GATE_IP_FSYS, 6, 0, 0), - GATE(CLK_SDMMC0, "sdmmc0", "div_aclk_200", GATE_IP_FSYS, 5, 0, 0), - GATE(CLK_PDMA1, "pdma1", "div_aclk_200", GATE_IP_FSYS, 1, 0, 0), - GATE(CLK_PDMA0, "pdma0", "div_aclk_200", GATE_IP_FSYS, 0, 0, 0), - - /* GATE_IP_PERIL */ - GATE(CLK_SPDIF, "spdif", "div_aclk_100", GATE_IP_PERIL, 26, 0, 0), - GATE(CLK_PWM, "pwm", "div_aclk_100", GATE_IP_PERIL, 24, 0, 0), - GATE(CLK_PCM2, "pcm2", "div_aclk_100", GATE_IP_PERIL, 23, 0, 0), - GATE(CLK_PCM1, "pcm1", "div_aclk_100", GATE_IP_PERIL, 22, 0, 0), - GATE(CLK_I2S1, "i2s1", "div_aclk_100", GATE_IP_PERIL, 20, 0, 0), - GATE(CLK_SPI2, "spi2", "div_aclk_100", GATE_IP_PERIL, 18, 0, 0), - GATE(CLK_SPI1, "spi1", "div_aclk_100", GATE_IP_PERIL, 17, 0, 0), - GATE(CLK_SPI0, "spi0", "div_aclk_100", GATE_IP_PERIL, 16, 0, 0), - GATE(CLK_I2CHDMI, "i2chdmi", "div_aclk_100", GATE_IP_PERIL, 14, 0, 0), - GATE(CLK_I2C7, "i2c7", "div_aclk_100", GATE_IP_PERIL, 13, 0, 0), - GATE(CLK_I2C6, "i2c6", "div_aclk_100", GATE_IP_PERIL, 12, 0, 0), - GATE(CLK_I2C5, "i2c5", "div_aclk_100", GATE_IP_PERIL, 11, 0, 0), - GATE(CLK_I2C4, "i2c4", "div_aclk_100", GATE_IP_PERIL, 10, 0, 0), - GATE(CLK_I2C3, "i2c3", "div_aclk_100", GATE_IP_PERIL, 9, 0, 0), - GATE(CLK_I2C2, "i2c2", "div_aclk_100", GATE_IP_PERIL, 8, 0, 0), - GATE(CLK_I2C1, "i2c1", "div_aclk_100", GATE_IP_PERIL, 7, 0, 0), - GATE(CLK_I2C0, "i2c0", "div_aclk_100", GATE_IP_PERIL, 6, 0, 0), - GATE(CLK_UART3, "uart3", "div_aclk_100", GATE_IP_PERIL, 3, 0, 0), - GATE(CLK_UART2, "uart2", "div_aclk_100", GATE_IP_PERIL, 2, 0, 0), - GATE(CLK_UART1, "uart1", "div_aclk_100", GATE_IP_PERIL, 1, 0, 0), - GATE(CLK_UART0, "uart0", "div_aclk_100", GATE_IP_PERIL, 0, 0, 0), -}; - -/* - * APLL & MPLL & BPLL & ISP_PLL & DISP_PLL & G3D_PLL - */ -static const struct samsung_pll_rate_table exynos4415_pll_rates[] __initconst = { - PLL_35XX_RATE(1600000000, 400, 3, 1), - PLL_35XX_RATE(1500000000, 250, 2, 1), - PLL_35XX_RATE(1400000000, 175, 3, 0), - PLL_35XX_RATE(1300000000, 325, 3, 1), - PLL_35XX_RATE(1200000000, 400, 4, 1), - PLL_35XX_RATE(1100000000, 275, 3, 1), - PLL_35XX_RATE(1066000000, 533, 6, 1), - PLL_35XX_RATE(1000000000, 250, 3, 1), - PLL_35XX_RATE(960000000, 320, 4, 1), - PLL_35XX_RATE(900000000, 300, 4, 1), - PLL_35XX_RATE(850000000, 425, 6, 1), - PLL_35XX_RATE(800000000, 200, 3, 1), - PLL_35XX_RATE(700000000, 175, 3, 1), - PLL_35XX_RATE(667000000, 667, 12, 1), - PLL_35XX_RATE(600000000, 400, 4, 2), - PLL_35XX_RATE(550000000, 275, 3, 2), - PLL_35XX_RATE(533000000, 533, 6, 2), - PLL_35XX_RATE(520000000, 260, 3, 2), - PLL_35XX_RATE(500000000, 250, 3, 2), - PLL_35XX_RATE(440000000, 220, 3, 2), - PLL_35XX_RATE(400000000, 200, 3, 2), - PLL_35XX_RATE(350000000, 175, 3, 2), - PLL_35XX_RATE(300000000, 300, 3, 3), - PLL_35XX_RATE(266000000, 266, 3, 3), - PLL_35XX_RATE(200000000, 200, 3, 3), - PLL_35XX_RATE(160000000, 160, 3, 3), - PLL_35XX_RATE(100000000, 200, 3, 4), - { /* sentinel */ } -}; - -/* EPLL */ -static const struct samsung_pll_rate_table exynos4415_epll_rates[] __initconst = { - PLL_36XX_RATE(800000000, 200, 3, 1, 0), - PLL_36XX_RATE(288000000, 96, 2, 2, 0), - PLL_36XX_RATE(192000000, 128, 2, 3, 0), - PLL_36XX_RATE(144000000, 96, 2, 3, 0), - PLL_36XX_RATE(96000000, 128, 2, 4, 0), - PLL_36XX_RATE(84000000, 112, 2, 4, 0), - PLL_36XX_RATE(80750011, 107, 2, 4, 43691), - PLL_36XX_RATE(73728004, 98, 2, 4, 19923), - PLL_36XX_RATE(67987602, 271, 3, 5, 62285), - PLL_36XX_RATE(65911004, 175, 2, 5, 49982), - PLL_36XX_RATE(50000000, 200, 3, 5, 0), - PLL_36XX_RATE(49152003, 131, 2, 5, 4719), - PLL_36XX_RATE(48000000, 128, 2, 5, 0), - PLL_36XX_RATE(45250000, 181, 3, 5, 0), - { /* sentinel */ } -}; - -static const struct samsung_pll_clock exynos4415_plls[] __initconst = { - PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll", - APLL_LOCK, APLL_CON0, exynos4415_pll_rates), - PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll", - EPLL_LOCK, EPLL_CON0, exynos4415_epll_rates), - PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll", "mout_g3d_pllsrc", - G3D_PLL_LOCK, G3D_PLL_CON0, exynos4415_pll_rates), - PLL(pll_35xx, CLK_FOUT_ISP_PLL, "fout_isp_pll", "fin_pll", - ISP_PLL_LOCK, ISP_PLL_CON0, exynos4415_pll_rates), - PLL(pll_35xx, CLK_FOUT_DISP_PLL, "fout_disp_pll", - "fin_pll", DISP_PLL_LOCK, DISP_PLL_CON0, exynos4415_pll_rates), -}; - -static const struct samsung_cmu_info cmu_info __initconst = { - .pll_clks = exynos4415_plls, - .nr_pll_clks = ARRAY_SIZE(exynos4415_plls), - .mux_clks = exynos4415_mux_clks, - .nr_mux_clks = ARRAY_SIZE(exynos4415_mux_clks), - .div_clks = exynos4415_div_clks, - .nr_div_clks = ARRAY_SIZE(exynos4415_div_clks), - .gate_clks = exynos4415_gate_clks, - .nr_gate_clks = ARRAY_SIZE(exynos4415_gate_clks), - .fixed_clks = exynos4415_fixed_rate_clks, - .nr_fixed_clks = ARRAY_SIZE(exynos4415_fixed_rate_clks), - .fixed_factor_clks = exynos4415_fixed_factor_clks, - .nr_fixed_factor_clks = ARRAY_SIZE(exynos4415_fixed_factor_clks), - .nr_clk_ids = CLK_NR_CLKS, - .clk_regs = exynos4415_cmu_clk_regs, - .nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_clk_regs), -}; - -static void __init exynos4415_cmu_init(struct device_node *np) -{ - samsung_cmu_register_one(np, &cmu_info); -} -CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init); - -/* - * CMU DMC - */ - -#define MPLL_LOCK 0x008 -#define MPLL_CON0 0x108 -#define MPLL_CON1 0x10c -#define MPLL_CON2 0x110 -#define BPLL_LOCK 0x118 -#define BPLL_CON0 0x218 -#define BPLL_CON1 0x21c -#define BPLL_CON2 0x220 -#define SRC_DMC 0x300 -#define DIV_DMC1 0x504 - -static const unsigned long exynos4415_cmu_dmc_clk_regs[] __initconst = { - MPLL_LOCK, - MPLL_CON0, - MPLL_CON1, - MPLL_CON2, - BPLL_LOCK, - BPLL_CON0, - BPLL_CON1, - BPLL_CON2, - SRC_DMC, - DIV_DMC1, -}; - -PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", }; -PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", }; -PNAME(mbpll_p) = { "mout_mpll", "mout_bpll", }; - -static const struct samsung_mux_clock exynos4415_dmc_mux_clks[] __initconst = { - MUX(CLK_DMC_MOUT_MPLL, "mout_mpll", mout_mpll_p, SRC_DMC, 12, 1), - MUX(CLK_DMC_MOUT_BPLL, "mout_bpll", mout_bpll_p, SRC_DMC, 10, 1), - MUX(CLK_DMC_MOUT_DPHY, "mout_dphy", mbpll_p, SRC_DMC, 8, 1), - MUX(CLK_DMC_MOUT_DMC_BUS, "mout_dmc_bus", mbpll_p, SRC_DMC, 4, 1), -}; - -static const struct samsung_div_clock exynos4415_dmc_div_clks[] __initconst = { - DIV(CLK_DMC_DIV_DMC, "div_dmc", "div_dmc_pre", DIV_DMC1, 27, 3), - DIV(CLK_DMC_DIV_DPHY, "div_dphy", "mout_dphy", DIV_DMC1, 23, 3), - DIV(CLK_DMC_DIV_DMC_PRE, "div_dmc_pre", "mout_dmc_bus", - DIV_DMC1, 19, 2), - DIV(CLK_DMC_DIV_DMCP, "div_dmcp", "div_dmcd", DIV_DMC1, 15, 3), - DIV(CLK_DMC_DIV_DMCD, "div_dmcd", "div_dmc", DIV_DMC1, 11, 3), - DIV(CLK_DMC_DIV_MPLL_PRE, "div_mpll_pre", "mout_mpll", DIV_DMC1, 8, 2), -}; - -static const struct samsung_pll_clock exynos4415_dmc_plls[] __initconst = { - PLL(pll_35xx, CLK_DMC_FOUT_MPLL, "fout_mpll", "fin_pll", - MPLL_LOCK, MPLL_CON0, exynos4415_pll_rates), - PLL(pll_35xx, CLK_DMC_FOUT_BPLL, "fout_bpll", "fin_pll", - BPLL_LOCK, BPLL_CON0, exynos4415_pll_rates), -}; - -static const struct samsung_cmu_info cmu_dmc_info __initconst = { - .pll_clks = exynos4415_dmc_plls, - .nr_pll_clks = ARRAY_SIZE(exynos4415_dmc_plls), - .mux_clks = exynos4415_dmc_mux_clks, - .nr_mux_clks = ARRAY_SIZE(exynos4415_dmc_mux_clks), - .div_clks = exynos4415_dmc_div_clks, - .nr_div_clks = ARRAY_SIZE(exynos4415_dmc_div_clks), - .nr_clk_ids = NR_CLKS_DMC, - .clk_regs = exynos4415_cmu_dmc_clk_regs, - .nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs), -}; - -static void __init exynos4415_cmu_dmc_init(struct device_node *np) -{ - samsung_cmu_register_one(np, &cmu_dmc_info); -} -CLK_OF_DECLARE(exynos4415_cmu_dmc, "samsung,exynos4415-cmu-dmc", - exynos4415_cmu_dmc_init); diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 8c8b495cbf0d..cdc092a1d9ef 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -586,7 +586,7 @@ static const struct samsung_gate_clock exynos5800_gate_clks[] __initconst = { GATE(CLK_ACLK550_CAM, "aclk550_cam", "mout_user_aclk550_cam", GATE_BUS_TOP, 24, 0, 0), GATE(CLK_ACLK432_SCALER, "aclk432_scaler", "mout_user_aclk432_scaler", - GATE_BUS_TOP, 27, 0, 0), + GATE_BUS_TOP, 27, CLK_IS_CRITICAL, 0), }; static const struct samsung_mux_clock exynos5420_mux_clks[] __initconst = { @@ -956,20 +956,20 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_SMMU_G2D, "smmu_g2d", "aclk333_g2d", GATE_IP_G2D, 7, 0, 0), GATE(0, "aclk200_fsys", "mout_user_aclk200_fsys", - GATE_BUS_FSYS0, 9, CLK_IGNORE_UNUSED, 0), + GATE_BUS_FSYS0, 9, CLK_IS_CRITICAL, 0), GATE(0, "aclk200_fsys2", "mout_user_aclk200_fsys2", GATE_BUS_FSYS0, 10, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_g2d", "mout_user_aclk333_g2d", GATE_BUS_TOP, 0, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk266_g2d", "mout_user_aclk266_g2d", - GATE_BUS_TOP, 1, CLK_IGNORE_UNUSED, 0), + GATE_BUS_TOP, 1, CLK_IS_CRITICAL, 0), GATE(0, "aclk300_jpeg", "mout_user_aclk300_jpeg", GATE_BUS_TOP, 4, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_432_isp0", "mout_user_aclk333_432_isp0", GATE_BUS_TOP, 5, 0, 0), GATE(0, "aclk300_gscl", "mout_user_aclk300_gscl", - GATE_BUS_TOP, 6, CLK_IGNORE_UNUSED, 0), + GATE_BUS_TOP, 6, CLK_IS_CRITICAL, 0), GATE(0, "aclk333_432_gscl", "mout_user_aclk333_432_gscl", GATE_BUS_TOP, 7, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_432_isp", "mout_user_aclk333_432_isp", @@ -983,20 +983,20 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(0, "aclk166", "mout_user_aclk166", GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK333, "aclk333", "mout_user_aclk333", - GATE_BUS_TOP, 15, CLK_IGNORE_UNUSED, 0), + GATE_BUS_TOP, 15, CLK_IS_CRITICAL, 0), GATE(0, "aclk400_isp", "mout_user_aclk400_isp", GATE_BUS_TOP, 16, 0, 0), GATE(0, "aclk400_mscl", "mout_user_aclk400_mscl", GATE_BUS_TOP, 17, 0, 0), GATE(0, "aclk200_disp1", "mout_user_aclk200_disp1", - GATE_BUS_TOP, 18, 0, 0), + GATE_BUS_TOP, 18, CLK_IS_CRITICAL, 0), GATE(CLK_SCLK_MPHY_IXTAL24, "sclk_mphy_ixtal24", "mphy_refclk_ixtal24", GATE_BUS_TOP, 28, 0, 0), GATE(CLK_SCLK_HSIC_12M, "sclk_hsic_12m", "ff_hsic_12m", GATE_BUS_TOP, 29, 0, 0), GATE(0, "aclk300_disp1", "mout_user_aclk300_disp1", - SRC_MASK_TOP2, 24, 0, 0), + SRC_MASK_TOP2, 24, CLK_IS_CRITICAL, 0), GATE(CLK_MAU_EPLL, "mau_epll", "mout_mau_epll_clk", SRC_MASK_TOP7, 20, 0, 0), diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index ad6aa532532b..11343a597093 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -549,10 +549,10 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { 29, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_BUS0_400, "aclk_bus0_400", "div_aclk_bus0_400", ENABLE_ACLK_TOP, 26, - CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0), + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), GATE(CLK_ACLK_BUS1_400, "aclk_bus1_400", "div_aclk_bus1_400", ENABLE_ACLK_TOP, 25, - CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0), + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), GATE(CLK_ACLK_IMEM_200, "aclk_imem_200", "div_aclk_imem_266", ENABLE_ACLK_TOP, 24, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), @@ -616,7 +616,7 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { /* ENABLE_SCLK_TOP_MSCL */ GATE(CLK_SCLK_JPEG_MSCL, "sclk_jpeg_mscl", "div_sclk_jpeg", - ENABLE_SCLK_TOP_MSCL, 0, 0, 0), + ENABLE_SCLK_TOP_MSCL, 0, CLK_SET_RATE_PARENT, 0), /* ENABLE_SCLK_TOP_CAM1 */ GATE(CLK_SCLK_ISP_SENSOR2, "sclk_isp_sensor2", "div_sclk_isp_sensor2_b", @@ -1384,7 +1384,7 @@ static const struct samsung_gate_clock mif_gate_clks[] __initconst = { /* ENABLE_ACLK_MIF3 */ GATE(CLK_ACLK_BUS2_400, "aclk_bus2_400", "div_aclk_bus2_400", ENABLE_ACLK_MIF3, 4, - CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0), + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), GATE(CLK_ACLK_DISP_333, "aclk_disp_333", "div_aclk_disp_333", ENABLE_ACLK_MIF3, 1, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index b4e5de16e561..6bb87784a0d6 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -140,6 +140,35 @@ static bool _is_valid_div(struct clk_divider *divider, unsigned int div) return true; } +static int _div_round_up(const struct clk_div_table *table, + unsigned long parent_rate, unsigned long rate) +{ + const struct clk_div_table *clkt; + int up = INT_MAX; + int div = DIV_ROUND_UP_ULL((u64)parent_rate, rate); + + for (clkt = table; clkt->div; clkt++) { + if (clkt->div == div) + return clkt->div; + else if (clkt->div < div) + continue; + + if ((clkt->div - div) < (up - div)) + up = clkt->div; + } + + return up; +} + +static int _div_round(const struct clk_div_table *table, + unsigned long parent_rate, unsigned long rate) +{ + if (!table) + return DIV_ROUND_UP(parent_rate, rate); + + return _div_round_up(table, parent_rate, rate); +} + static int ti_clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate, unsigned long *best_parent_rate) { @@ -155,7 +184,7 @@ static int ti_clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate, if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { parent_rate = *best_parent_rate; - bestdiv = DIV_ROUND_UP(parent_rate, rate); + bestdiv = _div_round(divider->table, parent_rate, rate); bestdiv = bestdiv == 0 ? 1 : bestdiv; bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; return bestdiv; diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c index 0007218ce6a0..2cf386347f0c 100644 --- a/drivers/clk/uniphier/clk-uniphier-core.c +++ b/drivers/clk/uniphier/clk-uniphier-core.c @@ -90,11 +90,8 @@ static int uniphier_clk_probe(struct platform_device *pdev) dev_dbg(dev, "register %s (index=%d)\n", p->name, p->idx); hw = uniphier_clk_register(dev, regmap, p); - if (IS_ERR(hw)) { - dev_err(dev, "failed to register %s (error %ld)\n", - p->name, PTR_ERR(hw)); - return PTR_ERR(hw); - } + if (WARN(IS_ERR(hw), "failed to register %s", p->name)) + continue; if (p->idx >= 0) hw_data->hws[p->idx] = hw; diff --git a/drivers/clk/uniphier/clk-uniphier-cpugear.c b/drivers/clk/uniphier/clk-uniphier-cpugear.c index 9bff26e0cbb0..ec11f55594ad 100644 --- a/drivers/clk/uniphier/clk-uniphier-cpugear.c +++ b/drivers/clk/uniphier/clk-uniphier-cpugear.c @@ -14,7 +14,6 @@ */ #include <linux/clk-provider.h> -#include <linux/delay.h> #include <linux/device.h> #include <linux/regmap.h> diff --git a/drivers/clk/ux500/abx500-clk.c b/drivers/clk/ux500/abx500-clk.c index a07c31e6f26d..2257d12ba988 100644 --- a/drivers/clk/ux500/abx500-clk.c +++ b/drivers/clk/ux500/abx500-clk.c @@ -10,20 +10,26 @@ #include <linux/err.h> #include <linux/module.h> #include <linux/device.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/mfd/abx500/ab8500-sysctrl.h> #include <linux/clkdev.h> #include <linux/clk-provider.h> -#include <linux/mfd/dbx500-prcmu.h> +#include <dt-bindings/clock/ste-ab8500.h> #include "clk.h" +#define AB8500_NUM_CLKS 6 + +static struct clk *ab8500_clks[AB8500_NUM_CLKS]; +static struct clk_onecell_data ab8500_clk_data; + /* Clock definitions for ab8500 */ static int ab8500_reg_clks(struct device *dev) { int ret; struct clk *clk; - + struct device_node *np = dev->of_node; const char *intclk_parents[] = {"ab8500_sysclk", "ulpclk"}; u16 intclk_reg_sel[] = {0 , AB8500_SYSULPCLKCTRL1}; u8 intclk_reg_mask[] = {0 , AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_MASK}; @@ -32,55 +38,52 @@ static int ab8500_reg_clks(struct device *dev) (1 << AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_SHIFT) }; - dev_info(dev, "register clocks for ab850x\n"); - /* Enable SWAT */ ret = ab8500_sysctrl_set(AB8500_SWATCTRL, AB8500_SWATCTRL_SWATENABLE); if (ret) return ret; - /* ab8500_sysclk */ - clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0); - clk_register_clkdev(clk, "sysclk", "ab8500-usb.0"); - clk_register_clkdev(clk, "sysclk", "ab-iddet.0"); - clk_register_clkdev(clk, "sysclk", "snd-soc-mop500.0"); - clk_register_clkdev(clk, "sysclk", "shrm_bus"); - /* ab8500_sysclk2 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk2", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ, 0, 0); - clk_register_clkdev(clk, "sysclk", "0-0070"); + ab8500_clks[AB8500_SYSCLK_BUF2] = clk; /* ab8500_sysclk3 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk3", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ, 0, 0); - clk_register_clkdev(clk, "sysclk", "cg1960_core.0"); + ab8500_clks[AB8500_SYSCLK_BUF3] = clk; /* ab8500_sysclk4 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk4", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ, 0, 0); + ab8500_clks[AB8500_SYSCLK_BUF4] = clk; /* ab_ulpclk */ clk = clk_reg_sysctrl_gate_fixed_rate(dev, "ulpclk", NULL, AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_ULPCLKREQ, AB8500_SYSULPCLKCTRL1_ULPCLKREQ, 38400000, 9000, 0); - clk_register_clkdev(clk, "ulpclk", "snd-soc-mop500.0"); + ab8500_clks[AB8500_SYSCLK_ULP] = clk; /* ab8500_intclk */ clk = clk_reg_sysctrl_set_parent(dev , "intclk", intclk_parents, 2, intclk_reg_sel, intclk_reg_mask, intclk_reg_bits, 0); - clk_register_clkdev(clk, "intclk", "snd-soc-mop500.0"); - clk_register_clkdev(clk, NULL, "ab8500-pwm.1"); + ab8500_clks[AB8500_SYSCLK_INT] = clk; /* ab8500_audioclk */ clk = clk_reg_sysctrl_gate(dev , "audioclk", "intclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, 0, 0); - clk_register_clkdev(clk, "audioclk", "ab8500-codec.0"); + ab8500_clks[AB8500_SYSCLK_AUDIO] = clk; + + ab8500_clk_data.clks = ab8500_clks; + ab8500_clk_data.clk_num = ARRAY_SIZE(ab8500_clks); + of_clk_add_provider(np, of_clk_src_onecell_get, &ab8500_clk_data); + + dev_info(dev, "registered clocks for ab850x\n"); return 0; } @@ -116,9 +119,15 @@ static int abx500_clk_probe(struct platform_device *pdev) return ret; } +static const struct of_device_id abx500_clk_match[] = { + { .compatible = "stericsson,ab8500-clk", }, + {} +}; + static struct platform_driver abx500_clk_driver = { .driver = { .name = "abx500-clk", + .of_match_table = abx500_clk_match, }, .probe = abx500_clk_probe, }; @@ -127,7 +136,6 @@ static int __init abx500_clk_init(void) { return platform_driver_register(&abx500_clk_driver); } - arch_initcall(abx500_clk_init); MODULE_AUTHOR("Ulf Hansson <ulf.hansson@linaro.org"); diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c index e960d686d9db..d5888591e1a9 100644 --- a/drivers/clk/ux500/u8500_of_clk.c +++ b/drivers/clk/ux500/u8500_of_clk.c @@ -206,6 +206,9 @@ static void u8500_clk_init(struct device_node *np) clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0); prcmu_clk[PRCMU_TIMCLK] = clk; + clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0); + prcmu_clk[PRCMU_SYSCLK] = clk; + clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK, 100000000, CLK_SET_RATE_GATE); prcmu_clk[PRCMU_SDMMCCLK] = clk; diff --git a/drivers/clk/x86/Makefile b/drivers/clk/x86/Makefile index 04781389d0fb..1367afb03858 100644 --- a/drivers/clk/x86/Makefile +++ b/drivers/clk/x86/Makefile @@ -1,2 +1,3 @@ clk-x86-lpss-objs := clk-lpt.o obj-$(CONFIG_X86_INTEL_LPSS) += clk-x86-lpss.o +obj-$(CONFIG_PMC_ATOM) += clk-pmc-atom.o diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c new file mode 100644 index 000000000000..2b60577703ef --- /dev/null +++ b/drivers/clk/x86/clk-pmc-atom.c @@ -0,0 +1,371 @@ +/* + * Intel Atom platform clocks driver for BayTrail and CherryTrail SoCs + * + * Copyright (C) 2016, Intel Corporation + * Author: Irina Tirdea <irina.tirdea@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/platform_data/x86/clk-pmc-atom.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#define PLT_CLK_NAME_BASE "pmc_plt_clk" + +#define PMC_CLK_CTL_OFFSET 0x60 +#define PMC_CLK_CTL_SIZE 4 +#define PMC_CLK_NUM 6 +#define PMC_CLK_CTL_GATED_ON_D3 0x0 +#define PMC_CLK_CTL_FORCE_ON 0x1 +#define PMC_CLK_CTL_FORCE_OFF 0x2 +#define PMC_CLK_CTL_RESERVED 0x3 +#define PMC_MASK_CLK_CTL GENMASK(1, 0) +#define PMC_MASK_CLK_FREQ BIT(2) +#define PMC_CLK_FREQ_XTAL (0 << 2) /* 25 MHz */ +#define PMC_CLK_FREQ_PLL (1 << 2) /* 19.2 MHz */ + +struct clk_plt_fixed { + struct clk_hw *clk; + struct clk_lookup *lookup; +}; + +struct clk_plt { + struct clk_hw hw; + void __iomem *reg; + struct clk_lookup *lookup; + /* protect access to PMC registers */ + spinlock_t lock; +}; + +#define to_clk_plt(_hw) container_of(_hw, struct clk_plt, hw) + +struct clk_plt_data { + struct clk_plt_fixed **parents; + u8 nparents; + struct clk_plt *clks[PMC_CLK_NUM]; +}; + +/* Return an index in parent table */ +static inline int plt_reg_to_parent(int reg) +{ + switch (reg & PMC_MASK_CLK_FREQ) { + default: + case PMC_CLK_FREQ_XTAL: + return 0; + case PMC_CLK_FREQ_PLL: + return 1; + } +} + +/* Return clk index of parent */ +static inline int plt_parent_to_reg(int index) +{ + switch (index) { + default: + case 0: + return PMC_CLK_FREQ_XTAL; + case 1: + return PMC_CLK_FREQ_PLL; + } +} + +/* Abstract status in simpler enabled/disabled value */ +static inline int plt_reg_to_enabled(int reg) +{ + switch (reg & PMC_MASK_CLK_CTL) { + case PMC_CLK_CTL_GATED_ON_D3: + case PMC_CLK_CTL_FORCE_ON: + return 1; /* enabled */ + case PMC_CLK_CTL_FORCE_OFF: + case PMC_CLK_CTL_RESERVED: + default: + return 0; /* disabled */ + } +} + +static void plt_clk_reg_update(struct clk_plt *clk, u32 mask, u32 val) +{ + u32 tmp; + unsigned long flags; + + spin_lock_irqsave(&clk->lock, flags); + + tmp = readl(clk->reg); + tmp = (tmp & ~mask) | (val & mask); + writel(tmp, clk->reg); + + spin_unlock_irqrestore(&clk->lock, flags); +} + +static int plt_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_plt *clk = to_clk_plt(hw); + + plt_clk_reg_update(clk, PMC_MASK_CLK_FREQ, plt_parent_to_reg(index)); + + return 0; +} + +static u8 plt_clk_get_parent(struct clk_hw *hw) +{ + struct clk_plt *clk = to_clk_plt(hw); + u32 value; + + value = readl(clk->reg); + + return plt_reg_to_parent(value); +} + +static int plt_clk_enable(struct clk_hw *hw) +{ + struct clk_plt *clk = to_clk_plt(hw); + + plt_clk_reg_update(clk, PMC_MASK_CLK_CTL, PMC_CLK_CTL_FORCE_ON); + + return 0; +} + +static void plt_clk_disable(struct clk_hw *hw) +{ + struct clk_plt *clk = to_clk_plt(hw); + + plt_clk_reg_update(clk, PMC_MASK_CLK_CTL, PMC_CLK_CTL_FORCE_OFF); +} + +static int plt_clk_is_enabled(struct clk_hw *hw) +{ + struct clk_plt *clk = to_clk_plt(hw); + u32 value; + + value = readl(clk->reg); + + return plt_reg_to_enabled(value); +} + +static const struct clk_ops plt_clk_ops = { + .enable = plt_clk_enable, + .disable = plt_clk_disable, + .is_enabled = plt_clk_is_enabled, + .get_parent = plt_clk_get_parent, + .set_parent = plt_clk_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; + +static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id, + void __iomem *base, + const char **parent_names, + int num_parents) +{ + struct clk_plt *pclk; + struct clk_init_data init; + int ret; + + pclk = devm_kzalloc(&pdev->dev, sizeof(*pclk), GFP_KERNEL); + if (!pclk) + return ERR_PTR(-ENOMEM); + + init.name = kasprintf(GFP_KERNEL, "%s_%d", PLT_CLK_NAME_BASE, id); + init.ops = &plt_clk_ops; + init.flags = 0; + init.parent_names = parent_names; + init.num_parents = num_parents; + + pclk->hw.init = &init; + pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE; + spin_lock_init(&pclk->lock); + + ret = devm_clk_hw_register(&pdev->dev, &pclk->hw); + if (ret) { + pclk = ERR_PTR(ret); + goto err_free_init; + } + + pclk->lookup = clkdev_hw_create(&pclk->hw, init.name, NULL); + if (!pclk->lookup) { + pclk = ERR_PTR(-ENOMEM); + goto err_free_init; + } + +err_free_init: + kfree(init.name); + return pclk; +} + +static void plt_clk_unregister(struct clk_plt *pclk) +{ + clkdev_drop(pclk->lookup); +} + +static struct clk_plt_fixed *plt_clk_register_fixed_rate(struct platform_device *pdev, + const char *name, + const char *parent_name, + unsigned long fixed_rate) +{ + struct clk_plt_fixed *pclk; + + pclk = devm_kzalloc(&pdev->dev, sizeof(*pclk), GFP_KERNEL); + if (!pclk) + return ERR_PTR(-ENOMEM); + + pclk->clk = clk_hw_register_fixed_rate(&pdev->dev, name, parent_name, + 0, fixed_rate); + if (IS_ERR(pclk->clk)) + return ERR_CAST(pclk->clk); + + pclk->lookup = clkdev_hw_create(pclk->clk, name, NULL); + if (!pclk->lookup) { + clk_hw_unregister_fixed_rate(pclk->clk); + return ERR_PTR(-ENOMEM); + } + + return pclk; +} + +static void plt_clk_unregister_fixed_rate(struct clk_plt_fixed *pclk) +{ + clkdev_drop(pclk->lookup); + clk_hw_unregister_fixed_rate(pclk->clk); +} + +static void plt_clk_unregister_fixed_rate_loop(struct clk_plt_data *data, + unsigned int i) +{ + while (i--) + plt_clk_unregister_fixed_rate(data->parents[i]); +} + +static void plt_clk_free_parent_names_loop(const char **parent_names, + unsigned int i) +{ + while (i--) + kfree_const(parent_names[i]); + kfree(parent_names); +} + +static void plt_clk_unregister_loop(struct clk_plt_data *data, + unsigned int i) +{ + while (i--) + plt_clk_unregister(data->clks[i]); +} + +static const char **plt_clk_register_parents(struct platform_device *pdev, + struct clk_plt_data *data, + const struct pmc_clk *clks) +{ + const char **parent_names; + unsigned int i; + int err; + int nparents = 0; + + data->nparents = 0; + while (clks[nparents].name) + nparents++; + + data->parents = devm_kcalloc(&pdev->dev, nparents, + sizeof(*data->parents), GFP_KERNEL); + if (!data->parents) + return ERR_PTR(-ENOMEM); + + parent_names = kcalloc(nparents, sizeof(*parent_names), + GFP_KERNEL); + if (!parent_names) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < nparents; i++) { + data->parents[i] = + plt_clk_register_fixed_rate(pdev, clks[i].name, + clks[i].parent_name, + clks[i].freq); + if (IS_ERR(data->parents[i])) { + err = PTR_ERR(data->parents[i]); + goto err_unreg; + } + parent_names[i] = kstrdup_const(clks[i].name, GFP_KERNEL); + } + + data->nparents = nparents; + return parent_names; + +err_unreg: + plt_clk_unregister_fixed_rate_loop(data, i); + plt_clk_free_parent_names_loop(parent_names, i); + return ERR_PTR(err); +} + +static void plt_clk_unregister_parents(struct clk_plt_data *data) +{ + plt_clk_unregister_fixed_rate_loop(data, data->nparents); +} + +static int plt_clk_probe(struct platform_device *pdev) +{ + const struct pmc_clk_data *pmc_data; + const char **parent_names; + struct clk_plt_data *data; + unsigned int i; + int err; + + pmc_data = dev_get_platdata(&pdev->dev); + if (!pmc_data || !pmc_data->clks) + return -EINVAL; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + parent_names = plt_clk_register_parents(pdev, data, pmc_data->clks); + if (IS_ERR(parent_names)) + return PTR_ERR(parent_names); + + for (i = 0; i < PMC_CLK_NUM; i++) { + data->clks[i] = plt_clk_register(pdev, i, pmc_data->base, + parent_names, data->nparents); + if (IS_ERR(data->clks[i])) { + err = PTR_ERR(data->clks[i]); + goto err_unreg_clk_plt; + } + } + + plt_clk_free_parent_names_loop(parent_names, data->nparents); + + platform_set_drvdata(pdev, data); + return 0; + +err_unreg_clk_plt: + plt_clk_unregister_loop(data, i); + plt_clk_unregister_parents(data); + plt_clk_free_parent_names_loop(parent_names, data->nparents); + return err; +} + +static int plt_clk_remove(struct platform_device *pdev) +{ + struct clk_plt_data *data; + + data = platform_get_drvdata(pdev); + + plt_clk_unregister_loop(data, PMC_CLK_NUM); + plt_clk_unregister_parents(data); + return 0; +} + +static struct platform_driver plt_clk_driver = { + .driver = { + .name = "clk-pmc-atom", + }, + .probe = plt_clk_probe, + .remove = plt_clk_remove, +}; +builtin_platform_driver(plt_clk_driver); diff --git a/drivers/clk/zte/clk-zx296718.c b/drivers/clk/zte/clk-zx296718.c index 707d62956e9b..ad5d1dfb3682 100644 --- a/drivers/clk/zte/clk-zx296718.c +++ b/drivers/clk/zte/clk-zx296718.c @@ -610,9 +610,12 @@ static int __init top_clocks_init(struct device_node *np) } } - if (of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &top_hw_onecell_data)) - panic("could not register clk provider\n"); - pr_info("top clk init over, nr:%d\n", TOP_NR_CLKS); + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &top_hw_onecell_data); + if (ret) { + pr_err("failed to register top clk provider: %d\n", ret); + return ret; + } return 0; } @@ -776,9 +779,12 @@ static int __init lsp0_clocks_init(struct device_node *np) } } - if (of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &lsp0_hw_onecell_data)) - panic("could not register clk provider\n"); - pr_info("lsp0-clk init over:%d\n", LSP0_NR_CLKS); + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &lsp0_hw_onecell_data); + if (ret) { + pr_err("failed to register lsp0 clk provider: %d\n", ret); + return ret; + } return 0; } @@ -881,9 +887,138 @@ static int __init lsp1_clocks_init(struct device_node *np) } } - if (of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &lsp1_hw_onecell_data)) - panic("could not register clk provider\n"); - pr_info("lsp1-clk init over, nr:%d\n", LSP1_NR_CLKS); + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &lsp1_hw_onecell_data); + if (ret) { + pr_err("failed to register lsp1 clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +PNAME(audio_wclk_common_p) = { + "audio_99m", + "audio_24m", +}; + +PNAME(audio_timer_p) = { + "audio_24m", + "audio_32k", +}; + +static struct zx_clk_mux audio_mux_clk[] = { + MUX(0, "i2s0_wclk_mux", audio_wclk_common_p, AUDIO_I2S0_CLK, 0, 1), + MUX(0, "i2s1_wclk_mux", audio_wclk_common_p, AUDIO_I2S1_CLK, 0, 1), + MUX(0, "i2s2_wclk_mux", audio_wclk_common_p, AUDIO_I2S2_CLK, 0, 1), + MUX(0, "i2s3_wclk_mux", audio_wclk_common_p, AUDIO_I2S3_CLK, 0, 1), + MUX(0, "i2c0_wclk_mux", audio_wclk_common_p, AUDIO_I2C0_CLK, 0, 1), + MUX(0, "spdif0_wclk_mux", audio_wclk_common_p, AUDIO_SPDIF0_CLK, 0, 1), + MUX(0, "spdif1_wclk_mux", audio_wclk_common_p, AUDIO_SPDIF1_CLK, 0, 1), + MUX(0, "timer_wclk_mux", audio_timer_p, AUDIO_TIMER_CLK, 0, 1), +}; + +static struct clk_zx_audio_divider audio_adiv_clk[] = { + AUDIO_DIV(0, "i2s0_wclk_div", "i2s0_wclk_mux", AUDIO_I2S0_DIV_CFG1), + AUDIO_DIV(0, "i2s1_wclk_div", "i2s1_wclk_mux", AUDIO_I2S1_DIV_CFG1), + AUDIO_DIV(0, "i2s2_wclk_div", "i2s2_wclk_mux", AUDIO_I2S2_DIV_CFG1), + AUDIO_DIV(0, "i2s3_wclk_div", "i2s3_wclk_mux", AUDIO_I2S3_DIV_CFG1), + AUDIO_DIV(0, "spdif0_wclk_div", "spdif0_wclk_mux", AUDIO_SPDIF0_DIV_CFG1), + AUDIO_DIV(0, "spdif1_wclk_div", "spdif1_wclk_mux", AUDIO_SPDIF1_DIV_CFG1), +}; + +static struct zx_clk_div audio_div_clk[] = { + DIV_T(0, "tdm_wclk_div", "audio_16m384", AUDIO_TDM_CLK, 8, 4, 0, common_div_table), +}; + +static struct zx_clk_gate audio_gate_clk[] = { + GATE(AUDIO_I2S0_WCLK, "i2s0_wclk", "i2s0_wclk_div", AUDIO_I2S0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S1_WCLK, "i2s1_wclk", "i2s1_wclk_div", AUDIO_I2S1_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S2_WCLK, "i2s2_wclk", "i2s2_wclk_div", AUDIO_I2S2_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S3_WCLK, "i2s3_wclk", "i2s3_wclk_div", AUDIO_I2S3_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2C0_WCLK, "i2c0_wclk", "i2c0_wclk_mux", AUDIO_I2C0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_SPDIF0_WCLK, "spdif0_wclk", "spdif0_wclk_div", AUDIO_SPDIF0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_SPDIF1_WCLK, "spdif1_wclk", "spdif1_wclk_div", AUDIO_SPDIF1_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_TDM_WCLK, "tdm_wclk", "tdm_wclk_div", AUDIO_TDM_CLK, 17, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_TS_PCLK, "tempsensor_pclk", "clk49m5", AUDIO_TS_CLK, 1, 0, 0), +}; + +static struct clk_hw_onecell_data audio_hw_onecell_data = { + .num = AUDIO_NR_CLKS, + .hws = { + [AUDIO_NR_CLKS - 1] = NULL, + }, +}; + +static int __init audio_clocks_init(struct device_node *np) +{ + void __iomem *reg_base; + int i, ret; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: Unable to map audio clk base\n", __func__); + return -ENXIO; + } + + for (i = 0; i < ARRAY_SIZE(audio_mux_clk); i++) { + if (audio_mux_clk[i].id) + audio_hw_onecell_data.hws[audio_mux_clk[i].id] = + &audio_mux_clk[i].mux.hw; + + audio_mux_clk[i].mux.reg += (uintptr_t)reg_base; + ret = clk_hw_register(NULL, &audio_mux_clk[i].mux.hw); + if (ret) { + pr_warn("audio clk %s init error!\n", + audio_mux_clk[i].mux.hw.init->name); + } + } + + for (i = 0; i < ARRAY_SIZE(audio_adiv_clk); i++) { + if (audio_adiv_clk[i].id) + audio_hw_onecell_data.hws[audio_adiv_clk[i].id] = + &audio_adiv_clk[i].hw; + + audio_adiv_clk[i].reg_base += (uintptr_t)reg_base; + ret = clk_hw_register(NULL, &audio_adiv_clk[i].hw); + if (ret) { + pr_warn("audio clk %s init error!\n", + audio_adiv_clk[i].hw.init->name); + } + } + + for (i = 0; i < ARRAY_SIZE(audio_div_clk); i++) { + if (audio_div_clk[i].id) + audio_hw_onecell_data.hws[audio_div_clk[i].id] = + &audio_div_clk[i].div.hw; + + audio_div_clk[i].div.reg += (uintptr_t)reg_base; + ret = clk_hw_register(NULL, &audio_div_clk[i].div.hw); + if (ret) { + pr_warn("audio clk %s init error!\n", + audio_div_clk[i].div.hw.init->name); + } + } + + for (i = 0; i < ARRAY_SIZE(audio_gate_clk); i++) { + if (audio_gate_clk[i].id) + audio_hw_onecell_data.hws[audio_gate_clk[i].id] = + &audio_gate_clk[i].gate.hw; + + audio_gate_clk[i].gate.reg += (uintptr_t)reg_base; + ret = clk_hw_register(NULL, &audio_gate_clk[i].gate.hw); + if (ret) { + pr_warn("audio clk %s init error!\n", + audio_gate_clk[i].gate.hw.init->name); + } + } + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &audio_hw_onecell_data); + if (ret) { + pr_err("failed to register audio clk provider: %d\n", ret); + return ret; + } return 0; } @@ -892,6 +1027,7 @@ static const struct of_device_id zx_clkc_match_table[] = { { .compatible = "zte,zx296718-topcrm", .data = &top_clocks_init }, { .compatible = "zte,zx296718-lsp0crm", .data = &lsp0_clocks_init }, { .compatible = "zte,zx296718-lsp1crm", .data = &lsp1_clocks_init }, + { .compatible = "zte,zx296718-audiocrm", .data = &audio_clocks_init }, { } }; diff --git a/drivers/clk/zte/clk.c b/drivers/clk/zte/clk.c index c4c1251bc1e7..878d879b23ff 100644 --- a/drivers/clk/zte/clk.c +++ b/drivers/clk/zte/clk.c @@ -9,6 +9,7 @@ #include <linux/clk-provider.h> #include <linux/err.h> +#include <linux/gcd.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/slab.h> @@ -310,3 +311,129 @@ struct clk *clk_register_zx_audio(const char *name, return clk; } + +#define CLK_AUDIO_DIV_FRAC BIT(0) +#define CLK_AUDIO_DIV_INT BIT(1) +#define CLK_AUDIO_DIV_UNCOMMON BIT(1) + +#define CLK_AUDIO_DIV_FRAC_NSHIFT 16 +#define CLK_AUDIO_DIV_INT_FRAC_RE BIT(16) +#define CLK_AUDIO_DIV_INT_FRAC_MAX (0xffff) +#define CLK_AUDIO_DIV_INT_FRAC_MIN (0x2) +#define CLK_AUDIO_DIV_INT_INT_SHIFT 24 +#define CLK_AUDIO_DIV_INT_INT_WIDTH 4 + +struct zx_clk_audio_div_table { + unsigned long rate; + unsigned int int_reg; + unsigned int frac_reg; +}; + +#define to_clk_zx_audio_div(_hw) container_of(_hw, struct clk_zx_audio_divider, hw) + +static unsigned long audio_calc_rate(struct clk_zx_audio_divider *audio_div, + u32 reg_frac, u32 reg_int, + unsigned long parent_rate) +{ + unsigned long rate, m, n; + + m = reg_frac & 0xffff; + n = (reg_frac >> 16) & 0xffff; + + m = (reg_int & 0xffff) * n + m; + rate = (parent_rate * n) / m; + + return rate; +} + +static void audio_calc_reg(struct clk_zx_audio_divider *audio_div, + struct zx_clk_audio_div_table *div_table, + unsigned long rate, unsigned long parent_rate) +{ + unsigned int reg_int, reg_frac; + unsigned long m, n, div; + + reg_int = parent_rate / rate; + + if (reg_int > CLK_AUDIO_DIV_INT_FRAC_MAX) + reg_int = CLK_AUDIO_DIV_INT_FRAC_MAX; + else if (reg_int < CLK_AUDIO_DIV_INT_FRAC_MIN) + reg_int = 0; + m = parent_rate - rate * reg_int; + n = rate; + + div = gcd(m, n); + m = m / div; + n = n / div; + + if ((m >> 16) || (n >> 16)) { + if (m > n) { + n = n * 0xffff / m; + m = 0xffff; + } else { + m = m * 0xffff / n; + n = 0xffff; + } + } + reg_frac = m | (n << 16); + + div_table->rate = parent_rate * n / (reg_int * n + m); + div_table->int_reg = reg_int; + div_table->frac_reg = reg_frac; +} + +static unsigned long zx_audio_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + u32 reg_frac, reg_int; + + reg_frac = readl_relaxed(zx_audio_div->reg_base); + reg_int = readl_relaxed(zx_audio_div->reg_base + 0x4); + + return audio_calc_rate(zx_audio_div, reg_frac, reg_int, parent_rate); +} + +static long zx_audio_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + struct zx_clk_audio_div_table divt; + + audio_calc_reg(zx_audio_div, &divt, rate, *prate); + + return audio_calc_rate(zx_audio_div, divt.frac_reg, divt.int_reg, *prate); +} + +static int zx_audio_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + struct zx_clk_audio_div_table divt; + unsigned int val; + + audio_calc_reg(zx_audio_div, &divt, rate, parent_rate); + if (divt.rate != rate) + pr_debug("the real rate is:%ld", divt.rate); + + writel_relaxed(divt.frac_reg, zx_audio_div->reg_base); + + val = readl_relaxed(zx_audio_div->reg_base + 0x4); + val &= ~0xffff; + val |= divt.int_reg | CLK_AUDIO_DIV_INT_FRAC_RE; + writel_relaxed(val, zx_audio_div->reg_base + 0x4); + + mdelay(1); + + val = readl_relaxed(zx_audio_div->reg_base + 0x4); + val &= ~CLK_AUDIO_DIV_INT_FRAC_RE; + writel_relaxed(val, zx_audio_div->reg_base + 0x4); + + return 0; +} + +const struct clk_ops zx_audio_div_ops = { + .recalc_rate = zx_audio_div_recalc_rate, + .round_rate = zx_audio_div_round_rate, + .set_rate = zx_audio_div_set_rate, +}; diff --git a/drivers/clk/zte/clk.h b/drivers/clk/zte/clk.h index 0df3474b2cf3..84a55a3e2bd4 100644 --- a/drivers/clk/zte/clk.h +++ b/drivers/clk/zte/clk.h @@ -153,6 +153,25 @@ struct zx_clk_div { .id = _id, \ } +struct clk_zx_audio_divider { + struct clk_hw hw; + void __iomem *reg_base; + unsigned int rate_count; + spinlock_t *lock; + u16 id; +}; + +#define AUDIO_DIV(_id, _name, _parent, _reg) \ +{ \ + .reg_base = (void __iomem *) _reg, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &zx_audio_div_ops, \ + 0), \ + .id = _id, \ +} + struct clk *clk_register_zx_pll(const char *name, const char *parent_name, unsigned long flags, void __iomem *reg_base, const struct zx_pll_config *lookup_table, int count, spinlock_t *lock); @@ -167,4 +186,6 @@ struct clk *clk_register_zx_audio(const char *name, unsigned long flags, void __iomem *reg_base); extern const struct clk_ops zx_pll_ops; +extern const struct clk_ops zx_audio_div_ops; + #endif |