diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-u300/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-u300/core.c | 548 | ||||
| -rw-r--r-- | arch/arm/mach-u300/i2c.c | 285 | ||||
| -rw-r--r-- | arch/arm/mach-u300/i2c.h | 23 | ||||
| -rw-r--r-- | arch/arm/mach-u300/regulator.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-u300/spi.c | 102 | ||||
| -rw-r--r-- | arch/arm/mach-u300/spi.h | 26 | ||||
| -rw-r--r-- | arch/arm/mach-u300/timer.c | 38 | ||||
| -rw-r--r-- | arch/arm/mach-u300/timer.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-u300/u300-gpio.h | 70 |
11 files changed, 22 insertions, 1087 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fbad3337a838..26896433ae78 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -827,6 +827,7 @@ config ARCH_U300 select GENERIC_CLOCKEVENTS select HAVE_TCM select SPARSE_IRQ + select USE_OF help Support for ST-Ericsson U300 series mobile platforms. diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile index 5a86c58da396..0f362b64fb87 100644 --- a/arch/arm/mach-u300/Makefile +++ b/arch/arm/mach-u300/Makefile @@ -7,7 +7,5 @@ obj-m := obj-n := obj- := -obj-$(CONFIG_SPI_PL022) += spi.o obj-$(CONFIG_MACH_U300_SPIDUMMY) += dummyspichip.o -obj-$(CONFIG_I2C_STU300) += i2c.o obj-$(CONFIG_REGULATOR_AB3100) += regulator.o diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 8f9e77aea76a..13d48125b89b 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -9,50 +9,20 @@ * Author: Linus Walleij <linus.walleij@stericsson.com> */ #include <linux/kernel.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/termios.h> -#include <linux/dmaengine.h> -#include <linux/amba/bus.h> -#include <linux/amba/mmci.h> -#include <linux/amba/pl022.h> -#include <linux/amba/serial.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/fsmc.h> #include <linux/pinctrl/machine.h> #include <linux/pinctrl/pinconf-generic.h> -#include <linux/dma-mapping.h> #include <linux/platform_data/clk-u300.h> #include <linux/platform_data/pinctrl-coh901.h> -#include <linux/platform_data/dma-coh901318.h> -#include <linux/irqchip/arm-vic.h> #include <linux/irqchip.h> #include <linux/of_platform.h> #include <linux/clocksource.h> +#include <linux/clk.h> -#include <asm/types.h> -#include <asm/setup.h> -#include <asm/memory.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <mach/hardware.h> +#include <mach/u300-regs.h> #include <mach/syscon.h> -#include <mach/irqs.h> - -#include "timer.h" -#include "spi.h" -#include "i2c.h" -#include "u300-gpio.h" /* * Static I/O mappings that are needed for booting the U300 platforms. The @@ -87,287 +57,6 @@ static void __init u300_map_io(void) } /* - * Declaration of devices found on the U300 board and - * their respective memory locations. - */ - -static struct amba_pl011_data uart0_plat_data = { -#ifdef CONFIG_COH901318 - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_UART0_RX, - .dma_tx_param = (void *) U300_DMA_UART0_TX, -#endif -}; - -/* Slow device at 0x3000 offset */ -static AMBA_APB_DEVICE(uart0, "uart0", 0, U300_UART0_BASE, - { IRQ_U300_UART0 }, &uart0_plat_data); - -/* The U335 have an additional UART1 on the APP CPU */ -static struct amba_pl011_data uart1_plat_data = { -#ifdef CONFIG_COH901318 - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_UART1_RX, - .dma_tx_param = (void *) U300_DMA_UART1_TX, -#endif -}; - -/* Fast device at 0x7000 offset */ -static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE, - { IRQ_U300_UART1 }, &uart1_plat_data); - -/* AHB device at 0x4000 offset */ -static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL); - -/* Fast device at 0x6000 offset */ -static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE, - { IRQ_U300_SPI }, NULL); - -/* Fast device at 0x1000 offset */ -#define U300_MMCSD_IRQS { IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 } - -static struct mmci_platform_data mmcsd_platform_data = { - /* - * Do not set ocr_mask or voltage translation function, - * we have a regulator we can control instead. - */ - .f_max = 24000000, - .gpio_wp = -1, - .gpio_cd = U300_GPIO_PIN_MMC_CD, - .cd_invert = true, - .capabilities = MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, -#ifdef CONFIG_COH901318 - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX, - /* Don't specify a TX channel, this RX channel is bidirectional */ -#endif -}; - -static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE, - U300_MMCSD_IRQS, &mmcsd_platform_data); - -/* - * The order of device declaration may be important, since some devices - * have dependencies on other devices being initialized first. - */ -static struct amba_device *amba_devs[] __initdata = { - &uart0_device, - &uart1_device, - &pl022_device, - &pl172_device, - &mmcsd_device, -}; - -/* Here follows a list of all hw resources that the platform devices - * allocate. Note, clock dependencies are not included - */ - -static struct resource gpio_resources[] = { - { - .start = U300_GPIO_BASE, - .end = (U300_GPIO_BASE + SZ_4K - 1), - .flags = IORESOURCE_MEM, - }, - { - .name = "gpio0", - .start = IRQ_U300_GPIO_PORT0, - .end = IRQ_U300_GPIO_PORT0, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio1", - .start = IRQ_U300_GPIO_PORT1, - .end = IRQ_U300_GPIO_PORT1, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio2", - .start = IRQ_U300_GPIO_PORT2, - .end = IRQ_U300_GPIO_PORT2, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio3", - .start = IRQ_U300_GPIO_PORT3, - .end = IRQ_U300_GPIO_PORT3, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio4", - .start = IRQ_U300_GPIO_PORT4, - .end = IRQ_U300_GPIO_PORT4, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio5", - .start = IRQ_U300_GPIO_PORT5, - .end = IRQ_U300_GPIO_PORT5, - .flags = IORESOURCE_IRQ, - }, - { - .name = "gpio6", - .start = IRQ_U300_GPIO_PORT6, - .end = IRQ_U300_GPIO_PORT6, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource keypad_resources[] = { - { - .start = U300_KEYPAD_BASE, - .end = U300_KEYPAD_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "coh901461-press", - .start = IRQ_U300_KEYPAD_KEYBF, - .end = IRQ_U300_KEYPAD_KEYBF, - .flags = IORESOURCE_IRQ, - }, - { - .name = "coh901461-release", - .start = IRQ_U300_KEYPAD_KEYBR, - .end = IRQ_U300_KEYPAD_KEYBR, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource rtc_resources[] = { - { - .start = U300_RTC_BASE, - .end = U300_RTC_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_U300_RTC, - .end = IRQ_U300_RTC, - .flags = IORESOURCE_IRQ, - }, -}; - -/* - * Fsmc does have IRQs: #43 and #44 (NFIF and NFIF2) - * but these are not yet used by the driver. - */ -static struct resource fsmc_resources[] = { - { - .name = "nand_addr", - .start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE, - .end = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "nand_cmd", - .start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE, - .end = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "nand_data", - .start = U300_NAND_CS0_PHYS_BASE, - .end = U300_NAND_CS0_PHYS_BASE + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "fsmc_regs", - .start = U300_NAND_IF_PHYS_BASE, - .end = U300_NAND_IF_PHYS_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct resource i2c0_resources[] = { - { - .start = U300_I2C0_BASE, - .end = U300_I2C0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_U300_I2C0, - .end = IRQ_U300_I2C0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource i2c1_resources[] = { - { - .start = U300_I2C1_BASE, - .end = U300_I2C1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_U300_I2C1, - .end = IRQ_U300_I2C1, - .flags = IORESOURCE_IRQ, - }, - -}; - -static struct resource wdog_resources[] = { - { - .start = U300_WDOG_BASE, - .end = U300_WDOG_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_U300_WDOG, - .end = IRQ_U300_WDOG, - .flags = IORESOURCE_IRQ, - } -}; - -static struct resource dma_resource[] = { - { - .start = U300_DMAC_BASE, - .end = U300_DMAC_BASE + PAGE_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_U300_DMA, - .end = IRQ_U300_DMA, - .flags = IORESOURCE_IRQ, - } -}; - - -static struct resource pinctrl_resources[] = { - { - .start = U300_SYSCON_BASE, - .end = U300_SYSCON_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device wdog_device = { - .name = "coh901327_wdog", - .id = -1, - .num_resources = ARRAY_SIZE(wdog_resources), - .resource = wdog_resources, -}; - -static struct platform_device i2c0_device = { - .name = "stu300", - .id = 0, - .num_resources = ARRAY_SIZE(i2c0_resources), - .resource = i2c0_resources, -}; - -static struct platform_device i2c1_device = { - .name = "stu300", - .id = 1, - .num_resources = ARRAY_SIZE(i2c1_resources), - .resource = i2c1_resources, -}; - -static struct platform_device pinctrl_device = { - .name = "pinctrl-u300", - .id = -1, - .num_resources = ARRAY_SIZE(pinctrl_resources), - .resource = pinctrl_resources, -}; - -/* * The different variants have a few different versions of the * GPIO block, with different number of ports. */ @@ -376,75 +65,6 @@ static struct u300_gpio_platform u300_gpio_plat = { .gpio_base = 0, }; -static struct platform_device gpio_device = { - .name = "u300-gpio", - .id = -1, - .num_resources = ARRAY_SIZE(gpio_resources), - .resource = gpio_resources, - .dev = { - .platform_data = &u300_gpio_plat, - }, -}; - -static struct platform_device keypad_device = { - .name = "keypad", - .id = -1, - .num_resources = ARRAY_SIZE(keypad_resources), - .resource = keypad_resources, -}; - -static struct platform_device rtc_device = { - .name = "rtc-coh901331", - .id = -1, - .num_resources = ARRAY_SIZE(rtc_resources), - .resource = rtc_resources, -}; - -static struct mtd_partition u300_partitions[] = { - { - .name = "bootrecords", - .offset = 0, - .size = SZ_128K, - }, - { - .name = "free", - .offset = SZ_128K, - .size = 8064 * SZ_1K, - }, - { - .name = "platform", - .offset = 8192 * SZ_1K, - .size = 253952 * SZ_1K, - }, -}; - -static struct fsmc_nand_platform_data nand_platform_data = { - .partitions = u300_partitions, - .nr_partitions = ARRAY_SIZE(u300_partitions), - .options = NAND_SKIP_BBTSCAN, - .width = FSMC_NAND_BW8, -}; - -static struct platform_device nand_device = { - .name = "fsmc-nand", - .id = -1, - .resource = fsmc_resources, - .num_resources = ARRAY_SIZE(fsmc_resources), - .dev = { - .platform_data = &nand_platform_data, - }, -}; - -static struct platform_device dma_device = { - .name = "coh901318", - .id = -1, - .resource = dma_resource, - .num_resources = ARRAY_SIZE(dma_resource), - .dev = { - .coherent_dma_mask = ~0, - }, -}; - static unsigned long pin_pullup_conf[] = { PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 1), }; @@ -471,61 +91,6 @@ static struct pinctrl_map __initdata u300_pinmux_map[] = { pin_highz_conf), }; -/* - * Notice that AMBA devices are initialized before platform devices. - * - */ -static struct platform_device *platform_devs[] __initdata = { - &dma_device, - &i2c0_device, - &i2c1_device, - &keypad_device, - &rtc_device, - &pinctrl_device, - &gpio_device, - &nand_device, - &wdog_device, -}; - -/* - * Interrupts: the U300 platforms have two pl190 ARM PrimeCells connected - * together so some interrupts are connected to the first one and some - * to the second one. - */ -static void __init u300_init_irq(void) -{ - u32 mask[2] = {0, 0}; - struct clk *clk; - int i; - - /* initialize clocking early, we want to clock the INTCON */ - u300_clk_init(U300_SYSCON_VBASE); - - /* Bootstrap EMIF and SEMI clocks */ - clk = clk_get_sys("pl172", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - clk = clk_get_sys("semi", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - - /* Clock the interrupt controller */ - clk = clk_get_sys("intcon", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - - for (i = 0; i < U300_VIC_IRQS_END; i++) - set_bit(i, (unsigned long *) &mask[0]); - vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START, - mask[0], mask[0]); - vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START, - mask[1], mask[1]); -} - - -/* - * U300 platforms peripheral handling - */ struct db_chip { u16 chipid; const char *name; @@ -604,74 +169,6 @@ static void __init u300_init_check_chip(void) } } -/* - * Some devices and their resources require reserved physical memory from - * the end of the available RAM. This function traverses the list of devices - * and assigns actual addresses to these. - */ -static void __init u300_assign_physmem(void) -{ - unsigned long curr_start = __pa(high_memory); - int i, j; - - for (i = 0; i < ARRAY_SIZE(platform_devs); i++) { - for (j = 0; j < platform_devs[i]->num_resources; j++) { - struct resource *const res = - &platform_devs[i]->resource[j]; - - if (IORESOURCE_MEM == res->flags && - 0 == res->start) { - res->start = curr_start; - res->end += curr_start; - curr_start += resource_size(res); - - printk(KERN_INFO "core.c: Mapping RAM " \ - "%#x-%#x to device %s:%s\n", - res->start, res->end, - platform_devs[i]->name, res->name); - } - } - } -} - -static void __init u300_init_machine(void) -{ - int i; - u16 val; - - /* Check what platform we run and print some status information */ - u300_init_check_chip(); - - /* Initialize SPI device with some board specifics */ - u300_spi_init(&pl022_device); - - /* Register the AMBA devices in the AMBA bus abstraction layer */ - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - - u300_assign_physmem(); - - /* Initialize pinmuxing */ - pinctrl_register_mappings(u300_pinmux_map, - ARRAY_SIZE(u300_pinmux_map)); - - /* Register subdevices on the I2C buses */ - u300_i2c_register_board_devices(); - - /* Register the platform devices */ - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); - - /* Register subdevices on the SPI bus */ - u300_spi_register_board_devices(); - - /* Enable SEMI self refresh */ - val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) | - U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE; - writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR); -} - /* Forward declare this function from the watchdog */ void coh901327_watchdog_reset(void); @@ -692,35 +189,6 @@ static void u300_restart(char mode, const char *cmd) while (1); } -MACHINE_START(U300, "Ericsson AB U335 S335/B335 Prototype Board") - /* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */ - .atag_offset = 0x100, - .map_io = u300_map_io, - .nr_irqs = 0, - .init_irq = u300_init_irq, - .init_time = u300_timer_init, - .init_machine = u300_init_machine, - .restart = u300_restart, -MACHINE_END - -#ifdef CONFIG_OF - -static struct pl022_ssp_controller spi_plat_data = { - /* If you have several SPI buses this varies, we have only bus 0 */ - .bus_id = 0, - /* - * On the APP CPU GPIO 4, 5 and 6 are connected as generic - * chip selects for SPI. (Same on U330, U335 and U365.) - * TODO: make sure the GPIO driver can select these properly - * and do padmuxing accordingly too. - */ - .num_chipselect = 3, - .enable_dma = 1, - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_SPI_RX, - .dma_tx_param = (void *) U300_DMA_SPI_TX, -}; - /* These are mostly to get the right device names for the clock lookups */ static struct of_dev_auxdata u300_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("stericsson,pinctrl-u300", U300_SYSCON_BASE, @@ -736,17 +204,17 @@ static struct of_dev_auxdata u300_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("stericsson,fsmc-nand", U300_NAND_IF_PHYS_BASE, "fsmc-nand", NULL), OF_DEV_AUXDATA("arm,primecell", U300_UART0_BASE, - "uart0", &uart0_plat_data), + "uart0", NULL), OF_DEV_AUXDATA("arm,primecell", U300_UART1_BASE, - "uart1", &uart1_plat_data), + "uart1", NULL), OF_DEV_AUXDATA("arm,primecell", U300_SPI_BASE, - "pl022", &spi_plat_data), + "pl022", NULL), OF_DEV_AUXDATA("st,ddci2c", U300_I2C0_BASE, "stu300.0", NULL), OF_DEV_AUXDATA("st,ddci2c", U300_I2C1_BASE, "stu300.1", NULL), OF_DEV_AUXDATA("arm,primecell", U300_MMCSD_BASE, - "mmci", &mmcsd_platform_data), + "mmci", NULL), { /* sentinel */ }, }; @@ -780,8 +248,6 @@ static void __init u300_init_machine_dt(void) /* Check what platform we run and print some status information */ u300_init_check_chip(); - u300_assign_physmem(); - /* Initialize pinmuxing */ pinctrl_register_mappings(u300_pinmux_map, ARRAY_SIZE(u300_pinmux_map)); @@ -808,5 +274,3 @@ DT_MACHINE_START(U300_DT, "U300 S335/B335 (Device Tree)") .restart = u300_restart, .dt_compat = u300_board_compat, MACHINE_END - -#endif /* CONFIG_OF */ diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c deleted file mode 100644 index 96800aa1316d..000000000000 --- a/arch/arm/mach-u300/i2c.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * arch/arm/mach-u300/i2c.c - * - * Copyright (C) 2009-2012 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Register board i2c devices - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/mfd/ab3100.h> -#include <linux/regulator/machine.h> -#include <linux/amba/bus.h> -#include <mach/irqs.h> - -/* - * Initial settings of ab3100 registers. - * Common for below LDO regulator settings are that - * bit 7-5 controls voltage. Bit 4 turns regulator ON(1) or OFF(0). - * Bit 3-2 controls sleep enable and bit 1-0 controls sleep mode. - */ - -/* LDO_A 0x16: 2.75V, ON, SLEEP_A, SLEEP OFF GND */ -#define LDO_A_SETTING 0x16 -/* LDO_C 0x10: 2.65V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_C_SETTING 0x10 -/* LDO_D 0x10: 2.65V, ON, sleep mode not used */ -#define LDO_D_SETTING 0x10 -/* LDO_E 0x10: 1.8V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_E_SETTING 0x10 -/* LDO_E SLEEP 0x00: 1.8V, not used, SLEEP_A or B, not used */ -#define LDO_E_SLEEP_SETTING 0x00 -/* LDO_F 0xD0: 2.5V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_F_SETTING 0xD0 -/* LDO_G 0x00: 2.85V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_G_SETTING 0x00 -/* LDO_H 0x18: 2.75V, ON, SLEEP_B, SLEEP full power */ -#define LDO_H_SETTING 0x18 -/* LDO_K 0x00: 2.75V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_K_SETTING 0x00 -/* LDO_EXT 0x00: Voltage not set, OFF, not used, not used */ -#define LDO_EXT_SETTING 0x00 -/* BUCK 0x7D: 1.2V, ON, SLEEP_A and B, SLEEP low power */ -#define BUCK_SETTING 0x7D -/* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */ -#define BUCK_SLEEP_SETTING 0xAC - -#ifdef CONFIG_AB3100_CORE -static struct regulator_consumer_supply supply_ldo_c[] = { - { - .dev_name = "ab3100-codec", - .supply = "vaudio", /* Powers the codec */ - }, -}; - -/* - * This one needs to be a supply so we can turn it off - * in order to shut down the system. - */ -static struct regulator_consumer_supply supply_ldo_d[] = { - { - .supply = "vana15", /* Powers the SoC (CPU etc) */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_g[] = { - { - .dev_name = "mmci", - .supply = "vmmc", /* Powers MMC/SD card */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_h[] = { - { - .dev_name = "xgam_pdi", - .supply = "vdisp", /* Powers camera, display etc */ - }, -}; - -static struct regulator_consumer_supply supply_ldo_k[] = { - { - .dev_name = "irda", - .supply = "vir", /* Power IrDA */ - }, -}; - -/* - * This is a placeholder for whoever wish to use the - * external power. - */ -static struct regulator_consumer_supply supply_ldo_ext[] = { - { - .supply = "vext", /* External power */ - }, -}; - -/* Preset (hardware defined) voltages for these regulators */ -#define LDO_A_VOLTAGE 2750000 -#define LDO_C_VOLTAGE 2650000 -#define LDO_D_VOLTAGE 2650000 - -static struct ab3100_platform_data ab3100_plf_data = { - .reg_constraints = { - /* LDO A routing and constraints */ - { - .constraints = { - .name = "vrad", - .min_uV = LDO_A_VOLTAGE, - .max_uV = LDO_A_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO C routing and constraints */ - { - .constraints = { - .min_uV = LDO_C_VOLTAGE, - .max_uV = LDO_C_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_c), - .consumer_supplies = supply_ldo_c, - }, - /* LDO D routing and constraints */ - { - .constraints = { - .min_uV = LDO_D_VOLTAGE, - .max_uV = LDO_D_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - /* - * Actually this is boot_on but we need - * to reference count it externally to - * be able to shut down the system. - */ - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_d), - .consumer_supplies = supply_ldo_d, - }, - /* LDO E routing and constraints */ - { - .constraints = { - .name = "vio", - .min_uV = 1800000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO F routing and constraints */ - { - .constraints = { - .name = "vana25", - .min_uV = 2500000, - .max_uV = 2500000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .always_on = 1, - .boot_on = 1, - }, - }, - /* LDO G routing and constraints */ - { - .constraints = { - .min_uV = 1500000, - .max_uV = 2850000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_g), - .consumer_supplies = supply_ldo_g, - }, - /* LDO H routing and constraints */ - { - .constraints = { - .min_uV = 1200000, - .max_uV = 2750000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_h), - .consumer_supplies = supply_ldo_h, - }, - /* LDO K routing and constraints */ - { - .constraints = { - .min_uV = 1800000, - .max_uV = 2750000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_k), - .consumer_supplies = supply_ldo_k, - }, - /* External regulator interface. No fixed voltage specified. - * If we knew the voltage of the external regulator and it - * was connected on the board, we could add the (fixed) - * voltage for it here. - */ - { - .constraints = { - .min_uV = 0, - .max_uV = 0, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(supply_ldo_ext), - .consumer_supplies = supply_ldo_ext, - }, - /* Buck converter routing and constraints */ - { - .constraints = { - .name = "vcore", - .min_uV = 1200000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = - REGULATOR_CHANGE_VOLTAGE, - .always_on = 1, - .boot_on = 1, - }, - }, - }, - .reg_initvals = { - LDO_A_SETTING, - LDO_C_SETTING, - LDO_E_SETTING, - LDO_E_SLEEP_SETTING, - LDO_F_SETTING, - LDO_G_SETTING, - LDO_H_SETTING, - LDO_K_SETTING, - LDO_EXT_SETTING, - BUCK_SETTING, - BUCK_SLEEP_SETTING, - LDO_D_SETTING, - }, -}; -#endif - -static struct i2c_board_info __initdata bus0_i2c_board_info[] = { -#ifdef CONFIG_AB3100_CORE - { - .type = "ab3100", - .addr = 0x48, - .irq = IRQ_U300_IRQ0_EXT, - .platform_data = &ab3100_plf_data, - }, -#else - { }, -#endif -}; - -static struct i2c_board_info __initdata bus1_i2c_board_info[] = { - { - .type = "fwcam", - .addr = 0x10, - }, - { - .type = "fwcam", - .addr = 0x5d, - }, -}; - -void __init u300_i2c_register_board_devices(void) -{ - i2c_register_board_info(0, bus0_i2c_board_info, - ARRAY_SIZE(bus0_i2c_board_info)); - /* - * This makes the core shut down all unused regulators - * after all the initcalls have completed. - */ - regulator_has_full_constraints(); - i2c_register_board_info(1, bus1_i2c_board_info, - ARRAY_SIZE(bus1_i2c_board_info)); -} diff --git a/arch/arm/mach-u300/i2c.h b/arch/arm/mach-u300/i2c.h deleted file mode 100644 index 485c02e5c06d..000000000000 --- a/arch/arm/mach-u300/i2c.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * arch/arm/mach-u300/i2c.h - * - * Copyright (C) 2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Register board i2c devices - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ - -#ifndef MACH_U300_I2C_H -#define MACH_U300_I2C_H - -#ifdef CONFIG_I2C_STU300 -void __init u300_i2c_register_board_devices(void); -#else -/* Compile out this stuff if no I2C adapter is available */ -static inline void __init u300_i2c_register_board_devices(void) -{ -} -#endif - -#endif diff --git a/arch/arm/mach-u300/regulator.c b/arch/arm/mach-u300/regulator.c index 8a67dc604576..bbda954e00fd 100644 --- a/arch/arm/mach-u300/regulator.c +++ b/arch/arm/mach-u300/regulator.c @@ -58,10 +58,7 @@ static int __init __u300_init_boardpower(struct platform_device *pdev) u32 val; pr_info("U300: setting up board power\n"); - if (pdev) - main_power_15 = regulator_get(&pdev->dev, "vana15"); - else - main_power_15 = regulator_get(NULL, "vana15"); + main_power_15 = regulator_get(&pdev->dev, "vana15"); if (IS_ERR(main_power_15)) { pr_err("could not get vana15"); @@ -114,11 +111,8 @@ static struct platform_driver s365_board_driver = { */ static int __init u300_init_boardpower(void) { - if (of_have_populated_dt()) - return platform_driver_probe(&s365_board_driver, - s365_board_probe); - /* Only call this on non-DT boots */ - return __u300_init_boardpower(NULL); + return platform_driver_probe(&s365_board_driver, + s365_board_probe); } device_initcall(u300_init_boardpower); diff --git a/arch/arm/mach-u300/spi.c b/arch/arm/mach-u300/spi.c deleted file mode 100644 index 910698293d64..000000000000 --- a/arch/arm/mach-u300/spi.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * arch/arm/mach-u300/spi.c - * - * Copyright (C) 2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#include <linux/device.h> -#include <linux/amba/bus.h> -#include <linux/spi/spi.h> -#include <linux/amba/pl022.h> -#include <linux/platform_data/dma-coh901318.h> -#include <linux/err.h> - -/* - * The following is for the actual devices on the SSP/SPI bus - */ -#ifdef CONFIG_MACH_U300_SPIDUMMY -static void select_dummy_chip(u32 chipselect) -{ - pr_debug("CORE: %s called with CS=0x%x (%s)\n", - __func__, - chipselect, - chipselect ? "unselect chip" : "select chip"); - /* - * Here you would write the chip select value to the GPIO pins if - * this was a real chip (but this is a loopback dummy). - */ -} - -struct pl022_config_chip dummy_chip_info = { - /* available POLLING_TRANSFER, INTERRUPT_TRANSFER, DMA_TRANSFER */ - .com_mode = DMA_TRANSFER, - .iface = SSP_INTERFACE_MOTOROLA_SPI, - /* We can only act as master but SSP_SLAVE is possible in theory */ - .hierarchy = SSP_MASTER, - /* 0 = drive TX even as slave, 1 = do not drive TX as slave */ - .slave_tx_disable = 0, - .rx_lev_trig = SSP_RX_4_OR_MORE_ELEM, - .tx_lev_trig = SSP_TX_4_OR_MORE_EMPTY_LOC, - .ctrl_len = SSP_BITS_12, - .wait_state = SSP_MWIRE_WAIT_ZERO, - .duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, - /* - * This is where you insert a call to a function to enable CS - * (usually GPIO) for a certain chip. - */ - .cs_control = select_dummy_chip, -}; -#endif - -static struct spi_board_info u300_spi_devices[] = { -#ifdef CONFIG_MACH_U300_SPIDUMMY - { - /* A dummy chip used for loopback tests */ - .modalias = "spi-dummy", - /* Really dummy, pass in additional chip config here */ - .platform_data = NULL, - /* This defines how the controller shall handle the device */ - .controller_data = &dummy_chip_info, - /* .irq - no external IRQ routed from this device */ - .max_speed_hz = 1000000, - .bus_num = 0, /* Only one bus on this chip */ - .chip_select = 0, - /* Means SPI_CS_HIGH, change if e.g low CS */ - .mode = SPI_MODE_1 | SPI_LOOP, - }, -#endif -}; - -static struct pl022_ssp_controller ssp_platform_data = { - /* If you have several SPI buses this varies, we have only bus 0 */ - .bus_id = 0, - /* - * On the APP CPU GPIO 4, 5 and 6 are connected as generic - * chip selects for SPI. (Same on U330, U335 and U365.) - * TODO: make sure the GPIO driver can select these properly - * and do padmuxing accordingly too. - */ - .num_chipselect = 3, -#ifdef CONFIG_COH901318 - .enable_dma = 1, - .dma_filter = coh901318_filter_id, - .dma_rx_param = (void *) U300_DMA_SPI_RX, - .dma_tx_param = (void *) U300_DMA_SPI_TX, -#else - .enable_dma = 0, -#endif -}; - - -void __init u300_spi_init(struct amba_device *adev) -{ - adev->dev.platform_data = &ssp_platform_data; -} - -void __init u300_spi_register_board_devices(void) -{ - /* Register any SPI devices */ - spi_register_board_info(u300_spi_devices, ARRAY_SIZE(u300_spi_devices)); -} diff --git a/arch/arm/mach-u300/spi.h b/arch/arm/mach-u300/spi.h deleted file mode 100644 index bd3d867e240f..000000000000 --- a/arch/arm/mach-u300/spi.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * arch/arm/mach-u300/spi.h - * - * Copyright (C) 2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#ifndef SPI_H -#define SPI_H -#include <linux/amba/bus.h> - -#ifdef CONFIG_SPI_PL022 -void __init u300_spi_init(struct amba_device *adev); -void __init u300_spi_register_board_devices(void); -#else -/* Compile out SPI support if PL022 is not selected */ -static inline void __init u300_spi_init(struct amba_device *adev) -{ -} -static inline void __init u300_spi_register_board_devices(void) -{ -} -#endif - -#endif diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c index df1e3b5427b6..f3efef0c5dbc 100644 --- a/arch/arm/mach-u300/timer.c +++ b/arch/arm/mach-u300/timer.c @@ -30,8 +30,6 @@ #include <asm/mach/map.h> #include <asm/mach/time.h> -#include "timer.h" - /* * APP side special timer registers * This timer contains four timers which can fire an interrupt each. @@ -361,12 +359,22 @@ static struct delay_timer u300_delay_timer; /* * This sets up the system timers, clock source and clock event. */ -static void __init u300_timer_setup(void __iomem *base, int irq) +static void __init u300_timer_init_of(struct device_node *np) { + struct resource irq_res; + int irq; struct clk *clk; unsigned long rate; - u300_timer_base = base; + u300_timer_base = of_iomap(np, 0); + if (!u300_timer_base) + panic("could not ioremap system timer\n"); + + /* Get the IRQ for the GP1 timer */ + irq = of_irq_to_resource(np, 2, &irq_res); + if (irq <= 0) + panic("no IRQ for system timer\n"); + pr_info("U300 GP1 timer @ base: %p, IRQ: %d\n", u300_timer_base, irq); /* Clock the interrupt controller */ @@ -433,27 +441,5 @@ static void __init u300_timer_setup(void __iomem *base, int irq) */ } - -void __init u300_timer_init() -{ - u300_timer_setup(U300_TIMER_APP_VBASE, IRQ_U300_TIMER_APP_GP1); -} - -#ifdef CONFIG_OF - -static void __init u300_timer_init_of(struct device_node *np) -{ - void __iomem *base; - struct resource irq_res; - int irq; - - base = of_iomap(np, 0); - /* Get the IRQ for the GP1 timer */ - irq = of_irq_to_resource(np, 2, &irq_res); - u300_timer_setup(base, irq); -} - CLOCKSOURCE_OF_DECLARE(u300_timer, "stericsson,u300-apptimer", u300_timer_init_of); - -#endif diff --git a/arch/arm/mach-u300/timer.h b/arch/arm/mach-u300/timer.h deleted file mode 100644 index 7766dfa6979d..000000000000 --- a/arch/arm/mach-u300/timer.h +++ /dev/null @@ -1,2 +0,0 @@ -extern void u300_timer_init(void); - diff --git a/arch/arm/mach-u300/u300-gpio.h b/arch/arm/mach-u300/u300-gpio.h deleted file mode 100644 index 83f50772e169..000000000000 --- a/arch/arm/mach-u300/u300-gpio.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Individual pin assignments for the B335/S335. - * Notice that the actual usage of these pins depends on the - * PAD MUX settings, that is why the same number can potentially - * appear several times. In the reference design each pin is only - * used for one purpose. These were determined by inspecting the - * S365 schematic. - */ -#define U300_GPIO_PIN_UART_RX 0 -#define U300_GPIO_PIN_UART_TX 1 -#define U300_GPIO_PIN_UART_CTS 2 -#define U300_GPIO_PIN_UART_RTS 3 -#define U300_GPIO_PIN_CAM_MAIN_STANDBY 4 /* Camera MAIN standby */ -#define U300_GPIO_PIN_GPIO05 5 /* Unrouted */ -#define U300_GPIO_PIN_MS_CD 6 /* Memory Stick Card insertion */ -#define U300_GPIO_PIN_GPIO07 7 /* Test point TP2430 */ - -#define U300_GPIO_PIN_GPIO08 8 /* Test point TP2437 */ -#define U300_GPIO_PIN_GPIO09 9 /* Test point TP2431 */ -#define U300_GPIO_PIN_GPIO10 10 /* Test point TP2432 */ -#define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */ -#define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */ -#define U300_GPIO_PIN_CAM_SUB_STANDBY 13 /* Camera SUB standby */ -#define U300_GPIO_PIN_GPIO14 14 /* Test point TP2436 */ -#define U300_GPIO_PIN_GPIO15 15 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO16 16 /* Test point TP2438 */ -#define U300_GPIO_PIN_PHFSENSE 17 /* Headphone jack sensing */ -#define U300_GPIO_PIN_GPIO18 18 /* Test point TP2439 */ -#define U300_GPIO_PIN_GPIO19 19 /* Routed somewhere */ -#define U300_GPIO_PIN_GPIO20 20 /* Unrouted */ -#define U300_GPIO_PIN_GPIO21 21 /* Unrouted */ -#define U300_GPIO_PIN_GPIO22 22 /* Unrouted */ -#define U300_GPIO_PIN_GPIO23 23 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO24 24 /* Unrouted */ -#define U300_GPIO_PIN_GPIO25 25 /* Unrouted */ -#define U300_GPIO_PIN_GPIO26 26 /* Unrouted */ -#define U300_GPIO_PIN_GPIO27 27 /* Unrouted */ -#define U300_GPIO_PIN_GPIO28 28 /* Unrouted */ -#define U300_GPIO_PIN_GPIO29 29 /* Unrouted */ -#define U300_GPIO_PIN_GPIO30 30 /* Unrouted */ -#define U300_GPIO_PIN_GPIO31 31 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO32 32 /* Unrouted */ -#define U300_GPIO_PIN_GPIO33 33 /* Unrouted */ -#define U300_GPIO_PIN_GPIO34 34 /* Unrouted */ -#define U300_GPIO_PIN_GPIO35 35 /* Unrouted */ -#define U300_GPIO_PIN_GPIO36 36 /* Unrouted */ -#define U300_GPIO_PIN_GPIO37 37 /* Unrouted */ -#define U300_GPIO_PIN_GPIO38 38 /* Unrouted */ -#define U300_GPIO_PIN_GPIO39 39 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO40 40 /* Unrouted */ -#define U300_GPIO_PIN_GPIO41 41 /* Unrouted */ -#define U300_GPIO_PIN_GPIO42 42 /* Unrouted */ -#define U300_GPIO_PIN_GPIO43 43 /* Unrouted */ -#define U300_GPIO_PIN_GPIO44 44 /* Unrouted */ -#define U300_GPIO_PIN_GPIO45 45 /* Unrouted */ -#define U300_GPIO_PIN_GPIO46 46 /* Unrouted */ -#define U300_GPIO_PIN_GPIO47 47 /* Unrouted */ - -#define U300_GPIO_PIN_GPIO48 48 /* Unrouted */ -#define U300_GPIO_PIN_GPIO49 49 /* Unrouted */ -#define U300_GPIO_PIN_GPIO50 50 /* Unrouted */ -#define U300_GPIO_PIN_GPIO51 51 /* Unrouted */ -#define U300_GPIO_PIN_GPIO52 52 /* Unrouted */ -#define U300_GPIO_PIN_GPIO53 53 /* Unrouted */ -#define U300_GPIO_PIN_GPIO54 54 /* Unrouted */ -#define U300_GPIO_PIN_GPIO55 55 /* Unrouted */ |