diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mfd/adp5585.c | 205 | ||||
| -rw-r--r-- | drivers/mfd/axp20x.c | 25 | ||||
| -rw-r--r-- | drivers/mfd/intel_pmc_bxt.c | 3 | ||||
| -rw-r--r-- | drivers/mfd/intel_soc_pmic_bxtwc.c | 3 | ||||
| -rw-r--r-- | drivers/mfd/intel_soc_pmic_mrfld.c | 3 |
7 files changed, 245 insertions, 7 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index bc8be2e593b6..f9325bcce1b9 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -20,6 +20,18 @@ config MFD_CS5535 This is the core driver for CS5535/CS5536 MFD functions. This is necessary for using the board's GPIO and MFGPT functionality. +config MFD_ADP5585 + tristate "Analog Devices ADP5585 keypad decoder and I/O expander driver" + select MFD_CORE + select REGMAP_I2C + depends on I2C + depends on OF || COMPILE_TEST + help + Say yes here to add support for the Analog Devices ADP5585 GPIO + expander, PWM and keypad controller. This includes the I2C driver and + the core APIs _only_, you have to select individual components like + the GPIO and PWM functions under the corresponding menus. + config MFD_ALTERA_A10SR bool "Altera Arria10 DevKit System Resource chip" depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 02b651cd7535..2a9f91e81af8 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -193,6 +193,7 @@ obj-$(CONFIG_MFD_DB8500_PRCMU) += db8500-prcmu.o obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-sysctrl.o obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o obj-$(CONFIG_PMIC_ADP5520) += adp5520.o +obj-$(CONFIG_MFD_ADP5585) += adp5585.o obj-$(CONFIG_MFD_KEMPLD) += kempld-core.o obj-$(CONFIG_MFD_INTEL_QUARK_I2C_GPIO) += intel_quark_i2c_gpio.o obj-$(CONFIG_LPC_SCH) += lpc_sch.o diff --git a/drivers/mfd/adp5585.c b/drivers/mfd/adp5585.c new file mode 100644 index 000000000000..160e0b38106a --- /dev/null +++ b/drivers/mfd/adp5585.c @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Analog Devices ADP5585 I/O expander, PWM controller and keypad controller + * + * Copyright 2022 NXP + * Copyright 2024 Ideas on Board Oy + */ + +#include <linux/array_size.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/mfd/adp5585.h> +#include <linux/mfd/core.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/types.h> + +static const struct mfd_cell adp5585_devs[] = { + { .name = "adp5585-gpio", }, + { .name = "adp5585-pwm", }, +}; + +static const struct regmap_range adp5585_volatile_ranges[] = { + regmap_reg_range(ADP5585_ID, ADP5585_GPI_STATUS_B), +}; + +static const struct regmap_access_table adp5585_volatile_regs = { + .yes_ranges = adp5585_volatile_ranges, + .n_yes_ranges = ARRAY_SIZE(adp5585_volatile_ranges), +}; + +/* + * Chip variants differ in the default configuration of pull-up and pull-down + * resistors, and therefore have different default register values: + * + * - The -00, -01 and -03 variants (collectively referred to as + * ADP5585_REGMAP_00) have pull-up on all GPIO pins by default. + * - The -02 variant has no default pull-up or pull-down resistors. + * - The -04 variant has default pull-down resistors on all GPIO pins. + */ + +static const u8 adp5585_regmap_defaults_00[ADP5585_MAX_REG + 1] = { + /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x18 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static const u8 adp5585_regmap_defaults_02[ADP5585_MAX_REG + 1] = { + /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3, + /* 0x18 */ 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static const u8 adp5585_regmap_defaults_04[ADP5585_MAX_REG + 1] = { + /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, + /* 0x18 */ 0x05, 0x55, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +enum adp5585_regmap_type { + ADP5585_REGMAP_00, + ADP5585_REGMAP_02, + ADP5585_REGMAP_04, +}; + +static const struct regmap_config adp5585_regmap_configs[] = { + [ADP5585_REGMAP_00] = { + .reg_bits = 8, + .val_bits = 8, + .max_register = ADP5585_MAX_REG, + .volatile_table = &adp5585_volatile_regs, + .cache_type = REGCACHE_MAPLE, + .reg_defaults_raw = adp5585_regmap_defaults_00, + .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_00), + }, + [ADP5585_REGMAP_02] = { + .reg_bits = 8, + .val_bits = 8, + .max_register = ADP5585_MAX_REG, + .volatile_table = &adp5585_volatile_regs, + .cache_type = REGCACHE_MAPLE, + .reg_defaults_raw = adp5585_regmap_defaults_02, + .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_02), + }, + [ADP5585_REGMAP_04] = { + .reg_bits = 8, + .val_bits = 8, + .max_register = ADP5585_MAX_REG, + .volatile_table = &adp5585_volatile_regs, + .cache_type = REGCACHE_MAPLE, + .reg_defaults_raw = adp5585_regmap_defaults_04, + .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_04), + }, +}; + +static int adp5585_i2c_probe(struct i2c_client *i2c) +{ + const struct regmap_config *regmap_config; + struct adp5585_dev *adp5585; + unsigned int id; + int ret; + + adp5585 = devm_kzalloc(&i2c->dev, sizeof(*adp5585), GFP_KERNEL); + if (!adp5585) + return -ENOMEM; + + i2c_set_clientdata(i2c, adp5585); + + regmap_config = i2c_get_match_data(i2c); + adp5585->regmap = devm_regmap_init_i2c(i2c, regmap_config); + if (IS_ERR(adp5585->regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(adp5585->regmap), + "Failed to initialize register map\n"); + + ret = regmap_read(adp5585->regmap, ADP5585_ID, &id); + if (ret) + return dev_err_probe(&i2c->dev, ret, + "Failed to read device ID\n"); + + if ((id & ADP5585_MAN_ID_MASK) != ADP5585_MAN_ID_VALUE) + return dev_err_probe(&i2c->dev, -ENODEV, + "Invalid device ID 0x%02x\n", id); + + ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, + adp5585_devs, ARRAY_SIZE(adp5585_devs), + NULL, 0, NULL); + if (ret) + return dev_err_probe(&i2c->dev, ret, + "Failed to add child devices\n"); + + return 0; +} + +static int adp5585_suspend(struct device *dev) +{ + struct adp5585_dev *adp5585 = dev_get_drvdata(dev); + + regcache_cache_only(adp5585->regmap, true); + + return 0; +} + +static int adp5585_resume(struct device *dev) +{ + struct adp5585_dev *adp5585 = dev_get_drvdata(dev); + + regcache_cache_only(adp5585->regmap, false); + regcache_mark_dirty(adp5585->regmap); + + return regcache_sync(adp5585->regmap); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(adp5585_pm, adp5585_suspend, adp5585_resume); + +static const struct of_device_id adp5585_of_match[] = { + { + .compatible = "adi,adp5585-00", + .data = &adp5585_regmap_configs[ADP5585_REGMAP_00], + }, { + .compatible = "adi,adp5585-01", + .data = &adp5585_regmap_configs[ADP5585_REGMAP_00], + }, { + .compatible = "adi,adp5585-02", + .data = &adp5585_regmap_configs[ADP5585_REGMAP_02], + }, { + .compatible = "adi,adp5585-03", + .data = &adp5585_regmap_configs[ADP5585_REGMAP_00], + }, { + .compatible = "adi,adp5585-04", + .data = &adp5585_regmap_configs[ADP5585_REGMAP_04], + }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, adp5585_of_match); + +static struct i2c_driver adp5585_i2c_driver = { + .driver = { + .name = "adp5585", + .of_match_table = adp5585_of_match, + .pm = pm_sleep_ptr(&adp5585_pm), + }, + .probe = adp5585_i2c_probe, +}; +module_i2c_driver(adp5585_i2c_driver); + +MODULE_DESCRIPTION("ADP5585 core driver"); +MODULE_AUTHOR("Haibo Chen <haibo.chen@nxp.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index dacd3c96c9f5..4051551757f2 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -209,13 +209,23 @@ static const struct regmap_access_table axp313a_volatile_table = { }; static const struct regmap_range axp717_writeable_ranges[] = { + regmap_reg_range(AXP717_PMU_FAULT, AXP717_MODULE_EN_CONTROL_1), + regmap_reg_range(AXP717_MIN_SYS_V_CONTROL, AXP717_BOOST_CONTROL), + regmap_reg_range(AXP717_VSYS_V_POWEROFF, AXP717_VSYS_V_POWEROFF), regmap_reg_range(AXP717_IRQ0_EN, AXP717_IRQ4_EN), regmap_reg_range(AXP717_IRQ0_STATE, AXP717_IRQ4_STATE), + regmap_reg_range(AXP717_ICC_CHG_SET, AXP717_CV_CHG_SET), regmap_reg_range(AXP717_DCDC_OUTPUT_CONTROL, AXP717_CPUSLDO_CONTROL), + regmap_reg_range(AXP717_ADC_CH_EN_CONTROL, AXP717_ADC_CH_EN_CONTROL), + regmap_reg_range(AXP717_ADC_DATA_SEL, AXP717_ADC_DATA_SEL), }; static const struct regmap_range axp717_volatile_ranges[] = { + regmap_reg_range(AXP717_ON_INDICATE, AXP717_PMU_FAULT), regmap_reg_range(AXP717_IRQ0_STATE, AXP717_IRQ4_STATE), + regmap_reg_range(AXP717_BATT_PERCENT_DATA, AXP717_BATT_PERCENT_DATA), + regmap_reg_range(AXP717_BATT_V_H, AXP717_BATT_CHRG_I_L), + regmap_reg_range(AXP717_ADC_DATA_H, AXP717_ADC_DATA_L), }; static const struct regmap_access_table axp717_writeable_table = { @@ -308,6 +318,12 @@ static const struct resource axp22x_usb_power_supply_resources[] = { DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"), }; +static const struct resource axp717_usb_power_supply_resources[] = { + DEFINE_RES_IRQ_NAMED(AXP717_IRQ_VBUS_OVER_V, "VBUS_OVER_V"), + DEFINE_RES_IRQ_NAMED(AXP717_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"), + DEFINE_RES_IRQ_NAMED(AXP717_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"), +}; + /* AXP803 and AXP813/AXP818 share the same interrupts */ static const struct resource axp803_usb_power_supply_resources[] = { DEFINE_RES_IRQ_NAMED(AXP803_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"), @@ -422,7 +438,7 @@ static const struct regmap_config axp717_regmap_config = { .val_bits = 8, .wr_table = &axp717_writeable_table, .volatile_table = &axp717_volatile_table, - .max_register = AXP717_CPUSLDO_CONTROL, + .max_register = AXP717_ADC_DATA_L, .cache_type = REGCACHE_MAPLE, }; @@ -1024,6 +1040,13 @@ static struct mfd_cell axp313a_cells[] = { static struct mfd_cell axp717_cells[] = { MFD_CELL_NAME("axp20x-regulator"), MFD_CELL_RES("axp20x-pek", axp717_pek_resources), + MFD_CELL_OF("axp717-adc", + NULL, NULL, 0, 0, "x-powers,axp717-adc"), + MFD_CELL_OF("axp20x-usb-power-supply", + axp717_usb_power_supply_resources, NULL, 0, 0, + "x-powers,axp717-usb-power-supply"), + MFD_CELL_OF("axp20x-battery-power-supply", + NULL, NULL, 0, 0, "x-powers,axp717-battery-power-supply"), }; static const struct resource axp288_adc_resources[] = { diff --git a/drivers/mfd/intel_pmc_bxt.c b/drivers/mfd/intel_pmc_bxt.c index 9f01d38acc7f..e405d7513ca1 100644 --- a/drivers/mfd/intel_pmc_bxt.c +++ b/drivers/mfd/intel_pmc_bxt.c @@ -23,8 +23,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/platform_data/itco_wdt.h> - -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> /* Residency with clock rate at 19.2MHz to usecs */ #define S0IX_RESIDENCY_IN_USECS(d, s) \ diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c index ba32cacfc499..ab3c94224dd1 100644 --- a/drivers/mfd/intel_soc_pmic_bxtwc.c +++ b/drivers/mfd/intel_soc_pmic_bxtwc.c @@ -15,8 +15,7 @@ #include <linux/mfd/intel_soc_pmic.h> #include <linux/mfd/intel_soc_pmic_bxtwc.h> #include <linux/module.h> - -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> /* PMIC device registers */ #define REG_ADDR_MASK GENMASK(15, 8) diff --git a/drivers/mfd/intel_soc_pmic_mrfld.c b/drivers/mfd/intel_soc_pmic_mrfld.c index 71da861e8c27..77121775c1a3 100644 --- a/drivers/mfd/intel_soc_pmic_mrfld.c +++ b/drivers/mfd/intel_soc_pmic_mrfld.c @@ -12,11 +12,10 @@ #include <linux/mfd/intel_soc_pmic.h> #include <linux/mfd/intel_soc_pmic_mrfld.h> #include <linux/module.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> #include <linux/platform_device.h> #include <linux/regmap.h> -#include <asm/intel_scu_ipc.h> - /* * Level 2 IRQs * |