diff options
author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-07-14 19:39:47 +0900 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-08-05 18:31:00 +0900 |
commit | ba149f3acdbbf143d70a64275917a6297c2373ba (patch) | |
tree | 92776884c501faae65becefdaaa1ecf284e2d654 | |
parent | a1660c1205d0b82b238bf03001cd8d78874612b2 (diff) |
ARM: S5PV210: Add MAX8998 PMIC support for GONI
This patch adds required platform definitions for MAX8998 PMIC driver. Power
regulators for LDO and BUCK outputs has been defined as well as a simple
gpio-keys button for power key (to enable wakeup functionality with
external interrupt).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[broonie@opensource.wolfsonmicro.com: For the regulator API usage]
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: minor title fix]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
-rw-r--r-- | arch/arm/mach-s5pv210/mach-goni.c | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index bec488e5d23..7b18505e517 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -13,6 +13,12 @@ #include <linux/init.h> #include <linux/serial_core.h> #include <linux/fb.h> +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> +#include <linux/mfd/max8998.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/gpio.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -23,6 +29,7 @@ #include <mach/regs-clock.h> #include <mach/regs-fb.h> +#include <plat/gpio-cfg.h> #include <plat/regs-serial.h> #include <plat/s5pv210.h> #include <plat/devs.h> @@ -103,9 +110,322 @@ static struct s3c_fb_platdata goni_lcd_pdata __initdata = { .setup_gpio = s5pv210_fb_gpio_setup_24bpp, }; +/* MAX8998 regulators */ +#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE) + +static struct regulator_init_data goni_ldo2_data = { + .constraints = { + .name = "VALIVE_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data goni_ldo3_data = { + .constraints = { + .name = "VUSB/MIPI_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo4_data = { + .constraints = { + .name = "VDAC_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + }, +}; + +static struct regulator_init_data goni_ldo5_data = { + .constraints = { + .name = "VTF_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + }, +}; + +static struct regulator_init_data goni_ldo6_data = { + .constraints = { + .name = "VCC_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + }, +}; + +static struct regulator_init_data goni_ldo7_data = { + .constraints = { + .name = "VLCD_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo8_data = { + .constraints = { + .name = "VUSB/VADC_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo9_data = { + .constraints = { + .name = "VCC/VCAM_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo10_data = { + .constraints = { + .name = "VPLL_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .boot_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo11_data = { + .constraints = { + .name = "CAM_IO_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo12_data = { + .constraints = { + .name = "CAM_ISP_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo13_data = { + .constraints = { + .name = "CAM_A_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo14_data = { + .constraints = { + .name = "CAM_CIF_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo15_data = { + .constraints = { + .name = "CAM_AF_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo16_data = { + .constraints = { + .name = "VMIPI_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct regulator_init_data goni_ldo17_data = { + .constraints = { + .name = "VCC_3.0V_LCD", + .min_uV = 3000000, + .max_uV = 3000000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +/* BUCK */ +static struct regulator_consumer_supply buck1_consumer[] = { + { .supply = "vddarm", }, +}; + +static struct regulator_consumer_supply buck2_consumer[] = { + { .supply = "vddint", }, +}; + +static struct regulator_init_data goni_buck1_data = { + .constraints = { + .name = "VARM_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(buck1_consumer), + .consumer_supplies = buck1_consumer, +}; + +static struct regulator_init_data goni_buck2_data = { + .constraints = { + .name = "VINT_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(buck2_consumer), + .consumer_supplies = buck2_consumer, +}; + +static struct regulator_init_data goni_buck3_data = { + .constraints = { + .name = "VCC_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data goni_buck4_data = { + .constraints = { + .name = "CAM_CORE_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + }, +}; + +static struct max8998_regulator_data goni_regulators[] = { + { MAX8998_LDO2, &goni_ldo2_data }, + { MAX8998_LDO3, &goni_ldo3_data }, + { MAX8998_LDO4, &goni_ldo4_data }, + { MAX8998_LDO5, &goni_ldo5_data }, + { MAX8998_LDO6, &goni_ldo6_data }, + { MAX8998_LDO7, &goni_ldo7_data }, + { MAX8998_LDO8, &goni_ldo8_data }, + { MAX8998_LDO9, &goni_ldo9_data }, + { MAX8998_LDO10, &goni_ldo10_data }, + { MAX8998_LDO11, &goni_ldo11_data }, + { MAX8998_LDO12, &goni_ldo12_data }, + { MAX8998_LDO13, &goni_ldo13_data }, + { MAX8998_LDO14, &goni_ldo14_data }, + { MAX8998_LDO15, &goni_ldo15_data }, + { MAX8998_LDO16, &goni_ldo16_data }, + { MAX8998_LDO17, &goni_ldo17_data }, + { MAX8998_BUCK1, &goni_buck1_data }, + { MAX8998_BUCK2, &goni_buck2_data }, + { MAX8998_BUCK3, &goni_buck3_data }, + { MAX8998_BUCK4, &goni_buck4_data }, +}; + +static struct max8998_platform_data goni_max8998_pdata = { + .num_regulators = ARRAY_SIZE(goni_regulators), + .regulators = goni_regulators, +}; +#endif + +/* GPIO I2C PMIC */ +#define AP_I2C_GPIO_PMIC_BUS_4 4 +static struct i2c_gpio_platform_data goni_i2c_gpio_pmic_data = { + .sda_pin = S5PV210_GPJ4(0), /* XMSMCSN */ + .scl_pin = S5PV210_GPJ4(3), /* XMSMIRQN */ +}; + +static struct platform_device goni_i2c_gpio_pmic = { + .name = "i2c-gpio", + .id = AP_I2C_GPIO_PMIC_BUS_4, + .dev = { + .platform_data = &goni_i2c_gpio_pmic_data, + }, +}; + +static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = { +#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE) + { + /* 0xCC when SRAD = 0 */ + I2C_BOARD_INFO("max8998", 0xCC >> 1), + .platform_data = &goni_max8998_pdata, + }, +#endif +}; + +/* PMIC Power button */ +static struct gpio_keys_button goni_gpio_keys_table[] = { + { + .code = KEY_POWER, + .gpio = S5PV210_GPH2(6), + .desc = "gpio-keys: KEY_POWER", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, +}; + +static struct gpio_keys_platform_data goni_gpio_keys_data = { + .buttons = goni_gpio_keys_table, + .nbuttons = ARRAY_SIZE(goni_gpio_keys_table), +}; + +static struct platform_device goni_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &goni_gpio_keys_data, + }, +}; + +static void __init goni_pmic_init(void) +{ + /* AP_PMIC_IRQ: EINT7 */ + s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP); + + /* nPower: EINT22 */ + s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP); +} + + static struct platform_device *goni_devices[] __initdata = { &s3c_device_fb, &s5pc110_device_onenand, + &goni_i2c_gpio_pmic, + &goni_device_gpiokeys, }; static void __init goni_map_io(void) @@ -117,6 +437,10 @@ static void __init goni_map_io(void) static void __init goni_machine_init(void) { + /* PMIC */ + goni_pmic_init(); + i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs, + ARRAY_SIZE(i2c_gpio_pmic_devs)); /* FB */ s3c_fb_set_platdata(&goni_lcd_pdata); |