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authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-07 12:38:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-07 12:38:59 -0700
commit86406a9e733347f877a2bd5269ce7429d3748c6a (patch)
tree41b71d751d12d9ee61bddd461e0a9e255dad0f21 /drivers/mfd
parent5e6a5845dd651b00754a62edec2f0a439182024d (diff)
parentcdff1eda69326fb46de10c5454212b3efcf4bb41 (diff)
Merge tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones: "Core Frameworks: - Add support for registering devices via MFD cells to Simple MFD (I2C) New Drivers: - Add support for Renesas Synchronization Management Unit (SMU) New Device Support: - Add support for N5010 to Intel M10 BMC - Add support for Cannon Lake to Intel LPSS ACPI - Add support for Samsung SSG{1,2} to ST-Ericsson's U8500 family - Add support for TQMx110EB and TQMxE40x to TQ-Systems PLD TQMx86 New Functionality: - Add support for GPIO to Intel LPC ICH - Add support for Reset to Texas Instruments TPS65086 Fix-ups: - Trivial, sorting, whitespace, renaming, etc; mt6360-core, db8500-prcmu-regs, tqmx86 - Device Tree fiddling; syscon, axp20x, qcom,pm8008, ti,tps65086, brcm,cru - Use proper APIs for IRQ map resolution; ab8500-core, stmpe, tc3589x, wm8994-irq - Pass 'supplied-from' property through axp288_fuel_gauge via swnode - Remove unused file entry; MAINTAINERS - Make interrupt line optional; tps65086 - Rename db8500-cpuidle driver symbol; db8500-prcmu - Remove support for unused hardware; tqmx86 - Provide a standard LPC clock frequency for unknown boards; tqmx86 - Remove unused code; ti_am335x_tscadc - Use of_iomap() instead of ioremap(); syscon Bug Fixes: - Clear GPIO IRQ resource flags when no IRQ is set; tqmx86 - Fix incorrect/misleading frequencies; db8500-prcmu - Mitigate namespace clash with other GPIOBASE users" * tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (31 commits) mfd: lpc_sch: Rename GPIOBASE to prevent build error mfd: syscon: Use of_iomap() instead of ioremap() dt-bindings: mfd: Add Broadcom CRU mfd: ti_am335x_tscadc: Delete superfluous error message mfd: tqmx86: Assume 24MHz LPC clock for unknown boards mfd: tqmx86: Add support for TQ-Systems DMI IDs mfd: tqmx86: Add support for TQMx110EB and TQMxE40x mfd: tqmx86: Fix typo in "platform" mfd: tqmx86: Remove incorrect TQMx90UC board ID mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set mfd: simple-mfd-i2c: Add support for registering devices via MFD cells mfd/cpuidle: ux500: Rename driver symbol mfd: tps65086: Add cell entry for reset driver mfd: tps65086: Make interrupt line optional dt-bindings: mfd: Convert tps65086.txt to YAML MAINTAINERS: Adjust ARM/NOMADIK/Ux500 ARCHITECTURES to file renaming mfd: db8500-prcmu: Handle missing FW variant mfd: db8500-prcmu: Rename register header mfd: axp20x: Add supplied-from property to axp288_fuel_gauge cell mfd: Don't use irq_create_mapping() to resolve a mapping ...
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/Kconfig28
-rw-r--r--drivers/mfd/Makefile5
-rw-r--r--drivers/mfd/ab8500-core.c2
-rw-r--r--drivers/mfd/axp20x.c16
-rw-r--r--drivers/mfd/db8500-prcmu-regs.h (renamed from drivers/mfd/dbx500-prcmu-regs.h)0
-rw-r--r--drivers/mfd/db8500-prcmu.c25
-rw-r--r--drivers/mfd/intel-lpss-acpi.c18
-rw-r--r--drivers/mfd/intel-m10-bmc.c12
-rw-r--r--drivers/mfd/lpc_ich.c1
-rw-r--r--drivers/mfd/lpc_sch.c4
-rw-r--r--drivers/mfd/mt6360-core.c8
-rw-r--r--drivers/mfd/rsmu.h16
-rw-r--r--drivers/mfd/rsmu_core.c88
-rw-r--r--drivers/mfd/rsmu_i2c.c203
-rw-r--r--drivers/mfd/rsmu_spi.c273
-rw-r--r--drivers/mfd/simple-mfd-i2c.c41
-rw-r--r--drivers/mfd/simple-mfd-i2c.h32
-rw-r--r--drivers/mfd/stmpe.c4
-rw-r--r--drivers/mfd/syscon.c2
-rw-r--r--drivers/mfd/tc3589x.c2
-rw-r--r--drivers/mfd/ti_am335x_tscadc.c5
-rw-r--r--drivers/mfd/tps65086.c22
-rw-r--r--drivers/mfd/tqmx86.c48
-rw-r--r--drivers/mfd/wm8994-irq.c2
24 files changed, 799 insertions, 58 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 01bb42f0ca0b..ca0edab91aeb 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -2199,5 +2199,33 @@ config MFD_INTEL_M10_BMC
additional drivers must be enabled in order to use the functionality
of the device.
+config MFD_RSMU_I2C
+ tristate "Renesas Synchronization Management Unit with I2C"
+ depends on I2C && OF
+ select MFD_CORE
+ select REGMAP_I2C
+ help
+ Support for the Renesas Synchronization Management Unit, such as
+ Clockmatrix and 82P33XXX series. This option supports I2C as
+ the control interface.
+
+ This driver provides common support for accessing the device.
+ Additional drivers must be enabled in order to use the functionality
+ of the device.
+
+config MFD_RSMU_SPI
+ tristate "Renesas Synchronization Management Unit with SPI"
+ depends on SPI && OF
+ select MFD_CORE
+ select REGMAP_SPI
+ help
+ Support for the Renesas Synchronization Management Unit, such as
+ Clockmatrix and 82P33XXX series. This option supports SPI as
+ the control interface.
+
+ This driver provides common support for accessing the device.
+ Additional drivers must be enabled in order to use the functionality
+ of the device.
+
endmenu
endif
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 570b9ffb34d0..2ba6646e874c 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -273,3 +273,8 @@ obj-$(CONFIG_MFD_INTEL_M10_BMC) += intel-m10-bmc.o
obj-$(CONFIG_MFD_ATC260X) += atc260x-core.o
obj-$(CONFIG_MFD_ATC260X_I2C) += atc260x-i2c.o
+
+rsmu-i2c-objs := rsmu_core.o rsmu_i2c.o
+rsmu-spi-objs := rsmu_core.o rsmu_spi.o
+obj-$(CONFIG_MFD_RSMU_I2C) += rsmu-i2c.o
+obj-$(CONFIG_MFD_RSMU_SPI) += rsmu-spi.o
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 30489670ea52..cca0aac26148 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -485,7 +485,7 @@ static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
line += 1;
- handle_nested_irq(irq_create_mapping(ab8500->domain, line));
+ handle_nested_irq(irq_find_mapping(ab8500->domain, line));
}
return 0;
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 4145a38b3890..8161a5dc68e8 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -125,12 +125,13 @@ static const struct regmap_range axp288_writeable_ranges[] = {
static const struct regmap_range axp288_volatile_ranges[] = {
regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON),
+ regmap_reg_range(AXP22X_PWR_OUT_CTRL1, AXP22X_ALDO3_V_OUT),
regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL),
regmap_reg_range(AXP288_BC_DET_STAT, AXP20X_VBUS_IPSOUT_MGMT),
regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL),
regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
- regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
+ regmap_reg_range(AXP20X_GPIO1_CTRL, AXP22X_GPIO_STATE),
regmap_reg_range(AXP288_RT_BATT_V_H, AXP288_RT_BATT_V_L),
regmap_reg_range(AXP20X_FG_RES, AXP288_FG_CC_CAP_REG),
};
@@ -699,6 +700,18 @@ static const struct resource axp288_charger_resources[] = {
DEFINE_RES_IRQ(AXP288_IRQ_CBTO),
};
+static const char * const axp288_fuel_gauge_suppliers[] = { "axp288_charger" };
+
+static const struct property_entry axp288_fuel_gauge_properties[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", axp288_fuel_gauge_suppliers),
+ { }
+};
+
+static const struct software_node axp288_fuel_gauge_sw_node = {
+ .name = "axp288_fuel_gauge",
+ .properties = axp288_fuel_gauge_properties,
+};
+
static const struct mfd_cell axp288_cells[] = {
{
.name = "axp288_adc",
@@ -716,6 +729,7 @@ static const struct mfd_cell axp288_cells[] = {
.name = "axp288_fuel_gauge",
.num_resources = ARRAY_SIZE(axp288_fuel_gauge_resources),
.resources = axp288_fuel_gauge_resources,
+ .swnode = &axp288_fuel_gauge_sw_node,
}, {
.name = "axp221-pek",
.num_resources = ARRAY_SIZE(axp288_power_button_resources),
diff --git a/drivers/mfd/dbx500-prcmu-regs.h b/drivers/mfd/db8500-prcmu-regs.h
index 75fd1069372c..75fd1069372c 100644
--- a/drivers/mfd/dbx500-prcmu-regs.h
+++ b/drivers/mfd/db8500-prcmu-regs.h
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 287da20f1231..c1d3e7c116cf 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -37,7 +37,7 @@
#include <linux/regulator/db8500-prcmu.h>
#include <linux/regulator/machine.h>
#include <linux/platform_data/ux500_wdt.h>
-#include "dbx500-prcmu-regs.h"
+#include "db8500-prcmu-regs.h"
/* Index of different voltages to be used when accessing AVSData */
#define PRCM_AVS_BASE 0x2FC
@@ -1622,22 +1622,20 @@ static long round_clock_rate(u8 clock, unsigned long rate)
}
static const unsigned long db8500_armss_freqs[] = {
- 200000000,
- 400000000,
- 800000000,
+ 199680000,
+ 399360000,
+ 798720000,
998400000
};
/* The DB8520 has slightly higher ARMSS max frequency */
static const unsigned long db8520_armss_freqs[] = {
- 200000000,
- 400000000,
- 800000000,
+ 199680000,
+ 399360000,
+ 798720000,
1152000000
};
-
-
static long round_armss_rate(unsigned long rate)
{
unsigned long freq = 0;
@@ -2567,14 +2565,16 @@ static char *fw_project_name(u32 project)
return "U8500 C4";
case PRCMU_FW_PROJECT_U9500_MBL:
return "U9500 MBL";
- case PRCMU_FW_PROJECT_U8500_MBL:
- return "U8500 MBL";
+ case PRCMU_FW_PROJECT_U8500_SSG1:
+ return "U8500 Samsung 1";
case PRCMU_FW_PROJECT_U8500_MBL2:
return "U8500 MBL2";
case PRCMU_FW_PROJECT_U8520:
return "U8520 MBL";
case PRCMU_FW_PROJECT_U8420:
return "U8420";
+ case PRCMU_FW_PROJECT_U8500_SSG2:
+ return "U8500 Samsung 2";
case PRCMU_FW_PROJECT_U8420_SYSCLK:
return "U8420-sysclk";
case PRCMU_FW_PROJECT_U9540:
@@ -2951,14 +2951,13 @@ static const struct mfd_cell common_prcmu_devs[] = {
.pdata_size = sizeof(db8500_wdt_pdata),
.id = -1,
},
+ MFD_CELL_NAME("db8500-cpuidle"),
};
static const struct mfd_cell db8500_prcmu_devs[] = {
MFD_CELL_OF("db8500-prcmu-regulators", NULL,
&db8500_regulators, sizeof(db8500_regulators), 0,
"stericsson,db8500-prcmu-regulator"),
- MFD_CELL_OF("cpuidle-dbx500",
- NULL, NULL, 0, 0, "stericsson,cpuidle-dbx500"),
MFD_CELL_OF("db8500-thermal",
NULL, NULL, 0, 0, "stericsson,db8500-thermal"),
};
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 1f396039d58f..3f1d976eb67c 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -89,6 +89,11 @@ static const struct intel_lpss_platform_info apl_i2c_info = {
.swnode = &apl_i2c_node,
};
+static const struct intel_lpss_platform_info cnl_i2c_info = {
+ .clk_rate = 216000000,
+ .swnode = &spt_i2c_node,
+};
+
static const struct acpi_device_id intel_lpss_acpi_ids[] = {
/* SPT */
{ "INT3440", (kernel_ulong_t)&spt_info },
@@ -102,6 +107,19 @@ static const struct acpi_device_id intel_lpss_acpi_ids[] = {
{ "INT3448", (kernel_ulong_t)&spt_uart_info },
{ "INT3449", (kernel_ulong_t)&spt_uart_info },
{ "INT344A", (kernel_ulong_t)&spt_uart_info },
+ /* CNL */
+ { "INT34B0", (kernel_ulong_t)&spt_info },
+ { "INT34B1", (kernel_ulong_t)&spt_info },
+ { "INT34B2", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B3", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B4", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B5", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B6", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B7", (kernel_ulong_t)&cnl_i2c_info },
+ { "INT34B8", (kernel_ulong_t)&spt_uart_info },
+ { "INT34B9", (kernel_ulong_t)&spt_uart_info },
+ { "INT34BA", (kernel_ulong_t)&spt_uart_info },
+ { "INT34BC", (kernel_ulong_t)&spt_info },
/* BXT */
{ "80860AAC", (kernel_ulong_t)&bxt_i2c_info },
{ "80860ABC", (kernel_ulong_t)&bxt_info },
diff --git a/drivers/mfd/intel-m10-bmc.c b/drivers/mfd/intel-m10-bmc.c
index 1a9bfb7f48cd..8db3bcf5fccc 100644
--- a/drivers/mfd/intel-m10-bmc.c
+++ b/drivers/mfd/intel-m10-bmc.c
@@ -15,7 +15,8 @@
enum m10bmc_type {
M10_N3000,
- M10_D5005
+ M10_D5005,
+ M10_N5010,
};
static struct mfd_cell m10bmc_d5005_subdevs[] = {
@@ -28,6 +29,10 @@ static struct mfd_cell m10bmc_pacn3000_subdevs[] = {
{ .name = "n3000bmc-secure" },
};
+static struct mfd_cell m10bmc_n5010_subdevs[] = {
+ { .name = "n5010bmc-hwmon" },
+};
+
static const struct regmap_range m10bmc_regmap_range[] = {
regmap_reg_range(M10BMC_LEGACY_BUILD_VER, M10BMC_LEGACY_BUILD_VER),
regmap_reg_range(M10BMC_SYS_BASE, M10BMC_SYS_END),
@@ -192,6 +197,10 @@ static int intel_m10_bmc_spi_probe(struct spi_device *spi)
cells = m10bmc_d5005_subdevs;
n_cell = ARRAY_SIZE(m10bmc_d5005_subdevs);
break;
+ case M10_N5010:
+ cells = m10bmc_n5010_subdevs;
+ n_cell = ARRAY_SIZE(m10bmc_n5010_subdevs);
+ break;
default:
return -ENODEV;
}
@@ -207,6 +216,7 @@ static int intel_m10_bmc_spi_probe(struct spi_device *spi)
static const struct spi_device_id m10bmc_spi_id[] = {
{ "m10-n3000", M10_N3000 },
{ "m10-d5005", M10_D5005 },
+ { "m10-n5010", M10_N5010 },
{ }
};
MODULE_DEVICE_TABLE(spi, m10bmc_spi_id);
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c
index 3bbb29a7e7a5..f10e53187f67 100644
--- a/drivers/mfd/lpc_ich.c
+++ b/drivers/mfd/lpc_ich.c
@@ -489,6 +489,7 @@ static struct lpc_ich_info lpc_chipset_info[] = {
[LPC_DH89XXCC] = {
.name = "DH89xxCC",
.iTCO_version = 2,
+ .gpio_version = ICH_V5_GPIO,
},
[LPC_PPT] = {
.name = "Panther Point",
diff --git a/drivers/mfd/lpc_sch.c b/drivers/mfd/lpc_sch.c
index 428a526cbe86..9ab9adce06fd 100644
--- a/drivers/mfd/lpc_sch.c
+++ b/drivers/mfd/lpc_sch.c
@@ -22,7 +22,7 @@
#define SMBASE 0x40
#define SMBUS_IO_SIZE 64
-#define GPIOBASE 0x44
+#define GPIO_BASE 0x44
#define GPIO_IO_SIZE 64
#define GPIO_IO_SIZE_CENTERTON 128
@@ -145,7 +145,7 @@ static int lpc_sch_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (ret == 0)
cells++;
- ret = lpc_sch_populate_cell(dev, GPIOBASE, "sch_gpio",
+ ret = lpc_sch_populate_cell(dev, GPIO_BASE, "sch_gpio",
info->io_size_gpio,
id->device, &lpc_sch_cells[cells]);
if (ret < 0)
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index e628953548ce..6eaa6775b888 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -319,18 +319,18 @@ static const struct resource mt6360_regulator_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OC_EVT, "buck2_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OV_EVT, "buck2_ov_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_UV_EVT, "buck2_uv_evt"),
- DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
- DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
- DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
- DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO5_OC_EVT, "ldo5_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO1_PGB_EVT, "ldo1_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO2_PGB_EVT, "ldo2_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO3_PGB_EVT, "ldo3_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO5_PGB_EVT, "ldo5_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
};
static const struct mfd_cell mt6360_devs[] = {
diff --git a/drivers/mfd/rsmu.h b/drivers/mfd/rsmu.h
new file mode 100644
index 000000000000..bb88597d189f
--- /dev/null
+++ b/drivers/mfd/rsmu.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Renesas Synchronization Management Unit (SMU) devices.
+ *
+ * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
+ */
+
+#ifndef __RSMU_MFD_H
+#define __RSMU_MFD_H
+
+#include <linux/mfd/rsmu.h>
+
+int rsmu_core_init(struct rsmu_ddata *rsmu);
+void rsmu_core_exit(struct rsmu_ddata *rsmu);
+
+#endif /* __RSMU_MFD_H */
diff --git a/drivers/mfd/rsmu_core.c b/drivers/mfd/rsmu_core.c
new file mode 100644
index 000000000000..29437fd0bd5b
--- /dev/null
+++ b/drivers/mfd/rsmu_core.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Core driver for Renesas Synchronization Management Unit (SMU) devices.
+ *
+ * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rsmu.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "rsmu.h"
+
+enum {
+ RSMU_PHC = 0,
+ RSMU_CDEV = 1,
+ RSMU_N_DEVS = 2,
+};
+
+static struct mfd_cell rsmu_cm_devs[] = {
+ [RSMU_PHC] = {
+ .name = "8a3400x-phc",
+ },
+ [RSMU_CDEV] = {
+ .name = "8a3400x-cdev",
+ },
+};
+
+static struct mfd_cell rsmu_sabre_devs[] = {
+ [RSMU_PHC] = {
+ .name = "82p33x1x-phc",
+ },
+ [RSMU_CDEV] = {
+ .name = "82p33x1x-cdev",
+ },
+};
+
+static struct mfd_cell rsmu_sl_devs[] = {
+ [RSMU_PHC] = {
+ .name = "8v19n85x-phc",
+ },
+ [RSMU_CDEV] = {
+ .name = "8v19n85x-cdev",
+ },
+};
+
+int rsmu_core_init(struct rsmu_ddata *rsmu)
+{
+ struct mfd_cell *cells;
+ int ret;
+
+ switch (rsmu->type) {
+ case RSMU_CM:
+ cells = rsmu_cm_devs;
+ break;
+ case RSMU_SABRE:
+ cells = rsmu_sabre_devs;
+ break;
+ case RSMU_SL:
+ cells = rsmu_sl_devs;
+ break;
+ default:
+ dev_err(rsmu->dev, "Unsupported RSMU device type: %d\n", rsmu->type);
+ return -ENODEV;
+ }
+
+ mutex_init(&rsmu->lock);
+
+ ret = devm_mfd_add_devices(rsmu->dev, PLATFORM_DEVID_AUTO, cells,
+ RSMU_N_DEVS, NULL, 0, NULL);
+ if (ret < 0)
+ dev_err(rsmu->dev, "Failed to register sub-devices: %d\n", ret);
+
+ return ret;
+}
+
+void rsmu_core_exit(struct rsmu_ddata *rsmu)
+{
+ mutex_destroy(&rsmu->lock);
+}
+
+MODULE_DESCRIPTION("Renesas SMU core driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/rsmu_i2c.c b/drivers/mfd/rsmu_i2c.c
new file mode 100644
index 000000000000..dc001c9791c1
--- /dev/null
+++ b/drivers/mfd/rsmu_i2c.c
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * I2C driver for Renesas Synchronization Management Unit (SMU) devices.
+ *
+ * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
+ */
+
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rsmu.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "rsmu.h"
+
+/*
+ * 16-bit register address: the lower 8 bits of the register address come
+ * from the offset addr byte and the upper 8 bits come from the page register.
+ */
+#define RSMU_CM_PAGE_ADDR 0xFD
+#define RSMU_CM_PAGE_WINDOW 256
+
+/*
+ * 15-bit register address: the lower 7 bits of the register address come
+ * from the offset addr byte and the upper 8 bits come from the page register.
+ */
+#define RSMU_SABRE_PAGE_ADDR 0x7F
+#define RSMU_SABRE_PAGE_WINDOW 128
+
+static const struct regmap_range_cfg rsmu_cm_range_cfg[] = {
+ {
+ .range_min = 0,
+ .range_max = 0xD000,
+ .selector_reg = RSMU_CM_PAGE_ADDR,
+ .selector_mask = 0xFF,
+ .selector_shift = 0,
+ .window_start = 0,
+ .window_len = RSMU_CM_PAGE_WINDOW,
+ }
+};
+
+static const struct regmap_range_cfg rsmu_sabre_range_cfg[] = {
+ {
+ .range_min = 0,
+ .range_max = 0x400,
+ .selector_reg = RSMU_SABRE_PAGE_ADDR,
+ .selector_mask = 0xFF,
+ .selector_shift = 0,
+ .window_start = 0,
+ .window_len = RSMU_SABRE_PAGE_WINDOW,
+ }
+};
+
+static bool rsmu_cm_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RSMU_CM_PAGE_ADDR:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool rsmu_sabre_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RSMU_SABRE_PAGE_ADDR:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static const struct regmap_config rsmu_cm_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xD000,
+ .ranges = rsmu_cm_range_cfg,
+ .num_ranges = ARRAY_SIZE(rsmu_cm_range_cfg),
+ .volatile_reg = rsmu_cm_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+ .can_multi_write = true,
+};
+
+static const struct regmap_config rsmu_sabre_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x400,
+ .ranges = rsmu_sabre_range_cfg,
+ .num_ranges = ARRAY_SIZE(rsmu_sabre_range_cfg),
+ .volatile_reg = rsmu_sabre_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+ .can_multi_write = true,
+};
+
+static const struct regmap_config rsmu_sl_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .reg_format_endian = REGMAP_ENDIAN_BIG,
+ .max_register = 0x339,
+ .cache_type = REGCACHE_NONE,
+ .can_multi_write = true,
+};
+
+static int rsmu_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct regmap_config *cfg;
+ struct rsmu_ddata *rsmu;
+ int ret;
+
+ rsmu = devm_kzalloc(&client->dev, sizeof(*rsmu), GFP_KERNEL);
+ if (!rsmu)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, rsmu);
+
+ rsmu->dev = &client->dev;
+ rsmu->type = (enum rsmu_type)id->driver_data;
+
+ switch (rsmu->type) {
+ case RSMU_CM:
+ cfg = &rsmu_cm_regmap_config;
+ break;
+ case RSMU_SABRE:
+ cfg = &rsmu_sabre_regmap_config;
+ break;
+ case RSMU_SL:
+ cfg = &rsmu_sl_regmap_config;
+ break;
+ default:
+ dev_err(rsmu->dev, "Unsupported RSMU device type: %d\n", rsmu->type);
+ return -ENODEV;
+ }
+ rsmu->regmap = devm_regmap_init_i2c(client, cfg);
+ if (IS_ERR(rsmu->regmap)) {
+ ret = PTR_ERR(rsmu->regmap);
+ dev_err(rsmu->dev, "Failed to allocate register map: %d\n", ret);
+ return ret;
+ }
+
+ return rsmu_core_init(rsmu);
+}
+
+static int rsmu_i2c_remove(struct i2c_client *client)
+{
+ struct rsmu_ddata *rsmu = i2c_get_clientdata(client);
+
+ rsmu_core_exit(rsmu);
+
+ return 0;
+}
+
+static const struct i2c_device_id rsmu_i2c_id[] = {
+ { "8a34000", RSMU_CM },
+ { "8a34001", RSMU_CM },
+ { "82p33810", RSMU_SABRE },
+ { "82p33811", RSMU_SABRE },
+ { "8v19n850", RSMU_SL },
+ { "8v19n851", RSMU_SL },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, rsmu_i2c_id);
+
+static const struct of_device_id rsmu_i2c_of_match[] = {
+ { .compatible = "idt,8a34000", .data = (void *)RSMU_CM },
+ { .compatible = "idt,8a34001", .data = (void *)RSMU_CM },
+ { .compatible = "idt,82p33810", .data = (void *)RSMU_SABRE },
+ { .compatible = "idt,82p33811", .data = (void *)RSMU_SABRE },
+ { .compatible = "idt,8v19n850", .data = (void *)RSMU_SL },
+ { .compatible = "idt,8v19n851", .data = (void *)RSMU_SL },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rsmu_i2c_of_match);
+
+static struct i2c_driver rsmu_i2c_driver = {
+ .driver = {
+ .name = "rsmu-i2c",
+ .of_match_table = of_match_ptr(rsmu_i2c_of_match),
+ },
+ .probe = rsmu_i2c_probe,
+ .remove = rsmu_i2c_remove,
+ .id_table = rsmu_i2c_id,
+};
+
+static int __init rsmu_i2c_init(void)
+{
+ return i2c_add_driver(&rsmu_i2c_driver);
+}
+subsys_initcall(rsmu_i2c_init);
+
+static void __exit rsmu_i2c_exit(void)
+{
+ i2c_del_driver(&rsmu_i2c_driver);
+}
+module_exit(rsmu_i2c_exit);
+
+MODULE_DESCRIPTION("Renesas SMU I2C driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/rsmu_spi.c b/drivers/mfd/rsmu_spi.c
new file mode 100644
index 000000000000..fec2b4ec477c
--- /dev/null
+++ b/drivers/mfd/rsmu_spi.c
@@ -0,0 +1,273 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * SPI driver for Renesas Synchronization Management Unit (SMU) devices.
+ *
+ * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rsmu.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+
+#include "rsmu.h"
+
+#define RSMU_CM_PAGE_ADDR 0x7C
+#define RSMU_SABRE_PAGE_ADDR 0x7F
+#define RSMU_HIGHER_ADDR_MASK 0xFF80
+#define RSMU_HIGHER_ADDR_SHIFT 7
+#define RSMU_LOWER_ADDR_MASK 0x7F
+
+static int rsmu_read_device(struct rsmu_ddata *rsmu, u8 reg, u8 *buf, u16 bytes)
+{
+ struct spi_device *client = to_spi_device(rsmu->dev);
+ struct spi_transfer xfer = {0};
+ struct spi_message msg;
+ u8 cmd[256] = {0};
+ u8 rsp[256] = {0};
+ int ret;
+
+ cmd[0] = reg | 0x80;
+ xfer.rx_buf = rsp;
+ xfer.len = bytes + 1;
+ xfer.tx_buf = cmd;
+ xfer.bits_per_word = client->bits_per_word;
+ xfer.speed_hz = client->max_speed_hz;
+
+ spi_message_init(&msg);
+ spi_message_add_tail(&xfer, &msg);
+
+ /*
+ * 4-wire SPI is a shift register, so for every byte you send,
+ * you get one back at the same time. Example read from 0xC024,
+ * which has value of 0x2D
+ *
+ * MOSI:
+ * 7C 00 C0 #Set page register
+ * A4 00 #MSB is set, so this is read command
+ * MISO:
+ * XX 2D #XX is a dummy byte from sending A4 and we
+ * need to throw it away
+ */
+ ret = spi_sync(client, &msg);
+ if (ret >= 0)
+ memcpy(buf, &rsp[1], xfer.len-1);
+
+ return ret;
+}
+
+static int rsmu_write_device(struct rsmu_ddata *rsmu, u8 reg, u8 *buf, u16 bytes)
+{
+ struct spi_device *client = to_spi_device(rsmu->dev);
+ struct spi_transfer xfer = {0};
+ struct spi_message msg;
+ u8 cmd[256] = {0};
+
+ cmd[0] = reg;
+ memcpy(&cmd[1], buf, bytes);
+
+ xfer.len = bytes + 1;
+ xfer.tx_buf = cmd;
+ xfer.bits_per_word = client->bits_per_word;
+ xfer.speed_hz = client->max_speed_hz;
+ spi_message_init(&msg);
+ spi_message_add_tail(&xfer, &msg);
+
+ return spi_sync(client, &msg);
+}
+
+/*
+ * 1-byte (1B) offset addressing:
+ * 16-bit register address: the lower 7 bits of the register address come
+ * from the offset addr byte and the upper 9 bits come from the page register.
+ */
+static int rsmu_write_page_register(struct rsmu_ddata *rsmu, u16 reg)
+{
+ u8 page_reg;
+ u8 buf[2];
+ u16 bytes;
+ u16 page;
+ int err;
+
+ switch (rsmu->type) {
+ case RSMU_CM:
+ page_reg = RSMU_CM_PAGE_ADDR;
+ page = reg & RSMU_HIGHER_ADDR_MASK;
+ buf[0] = (u8)(page & 0xff);
+ buf[1] = (u8)((page >> 8) & 0xff);
+ bytes = 2;
+ break;
+ case RSMU_SABRE:
+ page_reg = RSMU_SABRE_PAGE_ADDR;
+ page = reg >> RSMU_HIGHER_ADDR_SHIFT;
+ buf[0] = (u8)(page & 0xff);
+ bytes = 1;
+ break;
+ default:
+ dev_err(rsmu->dev, "Unsupported RSMU device type: %d\n", rsmu->type);
+ return -ENODEV;
+ }
+
+ /* Simply return if we are on the same page */
+ if (rsmu->page == page)
+ return 0;
+
+ err = rsmu_write_device(rsmu, page_reg, buf, bytes);
+ if (err)
+ dev_err(rsmu->dev, "Failed to set page offset 0x%x\n", page);
+ else
+ /* Remember the last page */
+ rsmu->page = page;
+
+ return err;
+}
+
+static int rsmu_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+ struct rsmu_ddata *rsmu = spi_get_drvdata((struct spi_device *)context);
+ u8 addr = (u8)(reg & RSMU_LOWER_ADDR_MASK);
+ int err;
+
+ err = rsmu_write_page_register(rsmu, reg);
+ if (err)
+ return err;
+
+ err = rsmu_read_device(rsmu, addr, (u8 *)val, 1);
+ if (err)
+ dev_err(rsmu->dev, "Failed to read offset address 0x%x\n", addr);
+
+ return err;
+}
+
+static int rsmu_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+ struct rsmu_ddata *rsmu = spi_get_drvdata((struct spi_device *)context);
+ u8 addr = (u8)(reg & RSMU_LOWER_ADDR_MASK);
+ u8 data = (u8)val;
+ int err;
+
+ err = rsmu_write_page_register(rsmu, reg);
+ if (err)
+ return err;
+
+ err = rsmu_write_device(rsmu, addr, &data, 1);
+ if (err)
+ dev_err(rsmu->dev,
+ "Failed to write offset address 0x%x\n", addr);
+
+ return err;
+}
+
+static const struct regmap_config rsmu_cm_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = 0xD000,
+ .reg_read = rsmu_reg_read,
+ .reg_write = rsmu_reg_write,
+ .cache_type = REGCACHE_NONE,
+};
+
+static const struct regmap_config rsmu_sabre_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = 0x400,
+ .reg_read = rsmu_reg_read,
+ .reg_write = rsmu_reg_write,
+ .cache_type = REGCACHE_NONE,
+};
+
+static int rsmu_spi_probe(struct spi_device *client)
+{
+ const struct spi_device_id *id = spi_get_device_id(client);
+ const struct regmap_config *cfg;
+ struct rsmu_ddata *rsmu;
+ int ret;
+
+ rsmu = devm_kzalloc(&client->dev, sizeof(*rsmu), GFP_KERNEL);
+ if (!rsmu)
+ return -ENOMEM;
+
+ spi_set_drvdata(client, rsmu);
+
+ rsmu->dev = &client->dev;
+ rsmu->type = (enum rsmu_type)id->driver_data;
+
+ /* Initialize regmap */
+ switch (rsmu->type) {
+ case RSMU_CM:
+ cfg = &rsmu_cm_regmap_config;
+ break;
+ case RSMU_SABRE:
+ cfg = &rsmu_sabre_regmap_config;
+ break;
+ default:
+ dev_err(rsmu->dev, "Unsupported RSMU device type: %d\n", rsmu->type);
+ return -ENODEV;
+ }
+
+ rsmu->regmap = devm_regmap_init(&client->dev, NULL, client, cfg);
+ if (IS_ERR(rsmu->regmap)) {
+ ret = PTR_ERR(rsmu->regmap);
+ dev_err(rsmu->dev, "Failed to allocate register map: %d\n", ret);
+ return ret;
+ }
+
+ return rsmu_core_init(rsmu);
+}
+
+static int rsmu_spi_remove(struct spi_device *client)
+{
+ struct rsmu_ddata *rsmu = spi_get_drvdata(client);
+
+ rsmu_core_exit(rsmu);
+
+ return 0;
+}
+
+static const struct spi_device_id rsmu_spi_id[] = {
+ { "8a34000", RSMU_CM },
+ { "8a34001", RSMU_CM },
+ { "82p33810", RSMU_SABRE },
+ { "82p33811", RSMU_SABRE },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, rsmu_spi_id);
+
+static const struct of_device_id rsmu_spi_of_match[] = {
+ { .compatible = "idt,8a34000", .data = (void *)RSMU_CM },
+ { .compatible = "idt,8a34001", .data = (void *)RSMU_CM },
+ { .compatible = "idt,82p33810", .data = (void *)RSMU_SABRE },
+ { .compatible = "idt,82p33811", .data = (void *)RSMU_SABRE },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rsmu_spi_of_match);
+
+static struct spi_driver rsmu_spi_driver = {
+ .driver = {
+ .name = "rsmu-spi",
+ .of_match_table = of_match_ptr(rsmu_spi_of_match),
+ },
+ .probe = rsmu_spi_probe,
+ .remove = rsmu_spi_remove,
+ .id_table = rsmu_spi_id,
+};
+
+static int __init rsmu_spi_init(void)
+{
+ return spi_register_driver(&rsmu_spi_driver);
+}
+subsys_initcall(rsmu_spi_init);
+
+static void __exit rsmu_spi_exit(void)
+{
+ spi_unregister_driver(&rsmu_spi_driver);
+}
+module_exit(rsmu_spi_exit);
+
+MODULE_DESCRIPTION("Renesas SMU SPI driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 87f684cff9a1..51536691ad9d 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -2,39 +2,64 @@
/*
* Simple MFD - I2C
*
+ * Author(s):
+ * Michael Walle <michael@walle.cc>
+ * Lee Jones <lee.jones@linaro.org>
+ *
* This driver creates a single register map with the intention for it to be
* shared by all sub-devices. Children can use their parent's device structure
* (dev.parent) in order to reference it.
*
* Once the register map has been successfully initialised, any sub-devices
- * represented by child nodes in Device Tree will be subsequently registered.
+ * represented by child nodes in Device Tree or via the MFD cells in this file
+ * will be subsequently registered.
*/
#include <linux/i2c.h>
#include <linux/kernel.h>
+#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>
-static const struct regmap_config simple_regmap_config = {
+#include "simple-mfd-i2c.h"
+
+static const struct regmap_config regmap_config_8r_8v = {
.reg_bits = 8,
.val_bits = 8,
};
static int simple_mfd_i2c_probe(struct i2c_client *i2c)
{
- const struct regmap_config *config;
+ const struct simple_mfd_data *simple_mfd_data;
+ const struct regmap_config *regmap_config;
struct regmap *regmap;
+ int ret;
+
+ simple_mfd_data = device_get_match_data(&i2c->dev);
- config = device_get_match_data(&i2c->dev);
- if (!config)
- config = &simple_regmap_config;
+ /* If no regmap_config is specified, use the default 8reg and 8val bits */
+ if (!simple_mfd_data || !simple_mfd_data->regmap_config)
+ regmap_config = &regmap_config_8r_8v;
+ else
+ regmap_config = simple_mfd_data->regmap_config;
- regmap = devm_regmap_init_i2c(i2c, config);
+ regmap = devm_regmap_init_i2c(i2c, regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
- return devm_of_platform_populate(&i2c->dev);
+ /* If no MFD cells are spedified, use register the DT child nodes instead */
+ if (!simple_mfd_data || !simple_mfd_data->mfd_cell)
+ return devm_of_platform_populate(&i2c->dev);
+
+ ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,
+ simple_mfd_data->mfd_cell,
+ simple_mfd_data->mfd_cell_size,
+ NULL, 0, NULL);
+ if (ret)
+ dev_err(&i2c->dev, "Failed to add child devices\n");
+
+ return ret;
}
static const struct of_device_id simple_mfd_i2c_of_match[] = {
diff --git a/drivers/mfd/simple-mfd-i2c.h b/drivers/mfd/simple-mfd-i2c.h
new file mode 100644
index 000000000000..7cb2bdd347d9
--- /dev/null
+++ b/drivers/mfd/simple-mfd-i2c.h
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Simple MFD - I2C
+ *
+ * Author: Lee Jones <lee.jones@linaro.org>
+ *
+ * This driver creates a single register map with the intention for it to be
+ * shared by all sub-devices. Children can use their parent's device structure
+ * (dev.parent) in order to reference it.
+ *
+ * This driver creates a single register map with the intention for it to be
+ * shared by all sub-devices. Children can use their parent's device structure
+ * (dev.parent) in order to reference it.
+ *
+ * Once the register map has been successfully initialised, any sub-devices
+ * represented by child nodes in Device Tree or via the MFD cells in the
+ * associated C file will be subsequently registered.
+ */
+
+#ifndef __MFD_SIMPLE_MFD_I2C_H
+#define __MFD_SIMPLE_MFD_I2C_H
+
+#include <linux/mfd/core.h>
+#include <linux/regmap.h>
+
+struct simple_mfd_data {
+ const struct regmap_config *regmap_config;
+ const struct mfd_cell *mfd_cell;
+ size_t mfd_cell_size;
+};
+
+#endif /* __MFD_SIMPLE_MFD_I2C_H */
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index 1dd39483e7c1..58d09c615e67 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -1095,7 +1095,7 @@ static irqreturn_t stmpe_irq(int irq, void *data)
if (variant->id_val == STMPE801_ID ||
variant->id_val == STMPE1600_ID) {
- int base = irq_create_mapping(stmpe->domain, 0);
+ int base = irq_find_mapping(stmpe->domain, 0);
handle_nested_irq(base);
return IRQ_HANDLED;
@@ -1123,7 +1123,7 @@ static irqreturn_t stmpe_irq(int irq, void *data)
while (status) {
int bit = __ffs(status);
int line = bank * 8 + bit;
- int nestedirq = irq_create_mapping(stmpe->domain, line);
+ int nestedirq = irq_find_mapping(stmpe->domain, line);
handle_nested_irq(nestedirq);
status &= ~(1 << bit);
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 765c0210cb52..191fdb87c424 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -60,7 +60,7 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk)
goto err_map;
}
- base = ioremap(res.start, resource_size(&res));
+ base = of_iomap(np, 0);
if (!base) {
ret = -ENOMEM;
goto err_map;
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index 7614f8fe0e91..13583cdb93b6 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -187,7 +187,7 @@ again:
while (status) {
int bit = __ffs(status);
- int virq = irq_create_mapping(tc3589x->domain, bit);
+ int virq = irq_find_mapping(tc3589x->domain, bit);
handle_nested_irq(virq);
status &= ~(1 << bit);
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 0e6e25308190..55adc379f94b 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -175,10 +175,9 @@ static int ti_tscadc_probe(struct platform_device *pdev)
tscadc->dev = &pdev->dev;
err = platform_get_irq(pdev, 0);
- if (err < 0) {
- dev_err(&pdev->dev, "no irq ID is specified.\n");
+ if (err < 0)
goto ret;
- } else
+ else
tscadc->irq = err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
index 341466ef20cc..3bd5728844a0 100644
--- a/drivers/mfd/tps65086.c
+++ b/drivers/mfd/tps65086.c
@@ -24,6 +24,7 @@
static const struct mfd_cell tps65086_cells[] = {
{ .name = "tps65086-regulator", },
{ .name = "tps65086-gpio", },
+ { .name = "tps65086-reset", },
};
static const struct regmap_range tps65086_yes_ranges[] = {
@@ -100,29 +101,30 @@ static int tps65086_probe(struct i2c_client *client,
(char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A',
(version & TPS65086_DEVICEID_REV_MASK) >> 6);
- ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
- &tps65086_irq_chip, &tps->irq_data);
- if (ret) {
- dev_err(tps->dev, "Failed to register IRQ chip\n");
- return ret;
+ if (tps->irq > 0) {
+ ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
+ &tps65086_irq_chip, &tps->irq_data);
+ if (ret) {
+ dev_err(tps->dev, "Failed to register IRQ chip\n");
+ return ret;
+ }
}
ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells,
ARRAY_SIZE(tps65086_cells), NULL, 0,
regmap_irq_get_domain(tps->irq_data));
- if (ret) {
+ if (ret && tps->irq > 0)
regmap_del_irq_chip(tps->irq, tps->irq_data);
- return ret;
- }
- return 0;
+ return ret;
}
static int tps65086_remove(struct i2c_client *client)
{
struct tps65086 *tps = i2c_get_clientdata(client);
- regmap_del_irq_chip(tps->irq, tps->irq_data);
+ if (tps->irq > 0)
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
return 0;
}
diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index ddddf08b6a4c..7ae906ff8e35 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -35,7 +35,11 @@
#define TQMX86_REG_BOARD_ID_E39x 7
#define TQMX86_REG_BOARD_ID_70EB 8
#define TQMX86_REG_BOARD_ID_80UC 9
-#define TQMX86_REG_BOARD_ID_90UC 10
+#define TQMX86_REG_BOARD_ID_110EB 11
+#define TQMX86_REG_BOARD_ID_E40M 12
+#define TQMX86_REG_BOARD_ID_E40S 13
+#define TQMX86_REG_BOARD_ID_E40C1 14
+#define TQMX86_REG_BOARD_ID_E40C2 15
#define TQMX86_REG_BOARD_REV 0x21
#define TQMX86_REG_IO_EXT_INT 0x26
#define TQMX86_REG_IO_EXT_INT_NONE 0
@@ -77,7 +81,7 @@ static struct i2c_board_info tqmx86_i2c_devices[] = {
},
};
-static struct ocores_i2c_platform_data ocores_platfom_data = {
+static struct ocores_i2c_platform_data ocores_platform_data = {
.num_devices = ARRAY_SIZE(tqmx86_i2c_devices),
.devices = tqmx86_i2c_devices,
};
@@ -85,8 +89,8 @@ static struct ocores_i2c_platform_data ocores_platfom_data = {
static const struct mfd_cell tqmx86_i2c_soft_dev[] = {
{
.name = "ocores-i2c",
- .platform_data = &ocores_platfom_data,
- .pdata_size = sizeof(ocores_platfom_data),
+ .platform_data = &ocores_platform_data,
+ .pdata_size = sizeof(ocores_platform_data),
.resources = tqmx_i2c_soft_resources,
.num_resources = ARRAY_SIZE(tqmx_i2c_soft_resources),
},
@@ -128,21 +132,33 @@ static const char *tqmx86_board_id_to_name(u8 board_id)
return "TQMx70EB";
case TQMX86_REG_BOARD_ID_80UC:
return "TQMx80UC";
- case TQMX86_REG_BOARD_ID_90UC:
- return "TQMx90UC";
+ case TQMX86_REG_BOARD_ID_110EB:
+ return "TQMx110EB";
+ case TQMX86_REG_BOARD_ID_E40M:
+ return "TQMxE40M";
+ case TQMX86_REG_BOARD_ID_E40S:
+ return "TQMxE40S";
+ case TQMX86_REG_BOARD_ID_E40C1:
+ return "TQMxE40C1";
+ case TQMX86_REG_BOARD_ID_E40C2:
+ return "TQMxE40C2";
default:
return "Unknown";
}
}
-static int tqmx86_board_id_to_clk_rate(u8 board_id)
+static int tqmx86_board_id_to_clk_rate(struct device *dev, u8 board_id)
{
switch (board_id) {
case TQMX86_REG_BOARD_ID_50UC:
case TQMX86_REG_BOARD_ID_60EB:
case TQMX86_REG_BOARD_ID_70EB:
case TQMX86_REG_BOARD_ID_80UC:
- case TQMX86_REG_BOARD_ID_90UC:
+ case TQMX86_REG_BOARD_ID_110EB:
+ case TQMX86_REG_BOARD_ID_E40M:
+ case TQMX86_REG_BOARD_ID_E40S:
+ case TQMX86_REG_BOARD_ID_E40C1:
+ case TQMX86_REG_BOARD_ID_E40C2:
return 24000;
case TQMX86_REG_BOARD_ID_E39M:
case TQMX86_REG_BOARD_ID_E39C:
@@ -152,7 +168,9 @@ static int tqmx86_board_id_to_clk_rate(u8 board_id)
case TQMX86_REG_BOARD_ID_E38C:
return 33000;
default:
- return 0;
+ dev_warn(dev, "unknown board %d, assuming 24MHz LPC clock\n",
+ board_id);
+ return 24000;
}
}
@@ -209,9 +227,11 @@ static int tqmx86_probe(struct platform_device *pdev)
/* Assumes the IRQ resource is first. */
tqmx_gpio_resources[0].start = gpio_irq;
+ } else {
+ tqmx_gpio_resources[0].flags = 0;
}
- ocores_platfom_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id);
+ ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(dev, board_id);
if (i2c_det == TQMX86_REG_I2C_DETECT_SOFT) {
err = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,
@@ -253,6 +273,14 @@ static const struct dmi_system_id tqmx86_dmi_table[] __initconst = {
},
.callback = tqmx86_create_platform_device,
},
+ {
+ .ident = "TQMX86",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TQ-Systems"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TQMx"),
+ },
+ .callback = tqmx86_create_platform_device,
+ },
{}
};
MODULE_DEVICE_TABLE(dmi, tqmx86_dmi_table);
diff --git a/drivers/mfd/wm8994-irq.c b/drivers/mfd/wm8994-irq.c
index 6c3a619e2628..651a028bc519 100644
--- a/drivers/mfd/wm8994-irq.c
+++ b/drivers/mfd/wm8994-irq.c
@@ -154,7 +154,7 @@ static irqreturn_t wm8994_edge_irq(int irq, void *data)
struct wm8994 *wm8994 = data;
while (gpio_get_value_cansleep(wm8994->pdata.irq_gpio))
- handle_nested_irq(irq_create_mapping(wm8994->edge_irq, 0));
+ handle_nested_irq(irq_find_mapping(wm8994->edge_irq, 0));
return IRQ_HANDLED;
}