diff options
Diffstat (limited to 'arch/arm/mach-s3c6410')
| -rw-r--r-- | arch/arm/mach-s3c6410/Kconfig | 17 | ||||
| -rw-r--r-- | arch/arm/mach-s3c6410/mach-smdk6410.c | 131 |
2 files changed, 148 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index 1d5010070027..ffa4974efddf 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -60,3 +60,20 @@ config SMDK6410_SD_CH1 channels 0 and 1 are the same. endchoice + +config SMDK6410_WM1190_EV1 + bool "Support Wolfson Microelectronics 1190-EV1 PMIC card" + depends on MACH_SMDK6410 + select REGULATOR + select REGULATOR_WM8350 + select MFD_WM8350_I2C + select MFD_WM8350_CONFIG_MODE_0 + select MFD_WM8350_CONFIG_MODE_3 + select MFD_WM8352_CONFIG_MODE_0 + help + The Wolfson Microelectronics 1190-EV1 is a WM835x based PMIC + and audio daughtercard for the Samsung SMDK6410 reference + platform. Enabling this option will build support for this + module into the kernel. The presence of the module will be + detected at runtime so the the resulting kernel can be used + with or without the 1190-EV1 fitted. diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index dfd84d00f8d0..466dee0954f4 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -26,6 +26,11 @@ #include <linux/delay.h> #include <linux/smsc911x.h> +#ifdef CONFIG_SMDK6410_WM1190_EV1 +#include <linux/mfd/wm8350/core.h> +#include <linux/mfd/wm8350/pmic.h> +#endif + #include <video/platform_lcd.h> #include <asm/mach/arch.h> @@ -182,9 +187,135 @@ static struct platform_device *smdk6410_devices[] __initdata = { &smdk6410_smsc911x, }; +#ifdef CONFIG_SMDK6410_WM1190_EV1 +/* S3C64xx internal logic & PLL */ +static struct regulator_init_data wm8350_dcdc1_data = { + .constraints = { + .name = "PVDD_INT/PVDD_PLL", + .min_uV = 1200000, + .max_uV = 1200000, + .always_on = 1, + .apply_uV = 1, + }, +}; + +/* Memory */ +static struct regulator_init_data wm8350_dcdc3_data = { + .constraints = { + .name = "PVDD_MEM", + .min_uV = 1800000, + .max_uV = 1800000, + .always_on = 1, + .state_mem = { + .uV = 1800000, + .mode = REGULATOR_MODE_NORMAL, + .enabled = 1, + }, + .initial_state = PM_SUSPEND_MEM, + }, +}; + +/* USB, EXT, PCM, ADC/DAC, USB, MMC */ +static struct regulator_init_data wm8350_dcdc4_data = { + .constraints = { + .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV", + .min_uV = 3000000, + .max_uV = 3000000, + .always_on = 1, + }, +}; + +/* ARM core */ +static struct regulator_init_data wm8350_dcdc6_data = { + .constraints = { + .name = "PVDD_ARM", + .min_uV = 1000000, + .max_uV = 1300000, + .always_on = 1, + }, +}; + +/* Alive */ +static struct regulator_init_data wm8350_ldo1_data = { + .constraints = { + .name = "PVDD_ALIVE", + .min_uV = 1200000, + .max_uV = 1200000, + .always_on = 1, + .apply_uV = 1, + }, +}; + +/* OTG */ +static struct regulator_init_data wm8350_ldo2_data = { + .constraints = { + .name = "PVDD_OTG", + .min_uV = 3300000, + .max_uV = 3300000, + }, +}; + +/* LCD */ +static struct regulator_init_data wm8350_ldo3_data = { + .constraints = { + .name = "PVDD_LCD", + .min_uV = 3000000, + .max_uV = 3000000, + }, +}; + +/* OTGi/1190-EV1 HPVDD & AVDD */ +static struct regulator_init_data wm8350_ldo4_data = { + .constraints = { + .name = "PVDD_OTGI/HPVDD/AVDD", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + }, +}; + +static struct { + int regulator; + struct regulator_init_data *initdata; +} wm1190_regulators[] = { + { WM8350_DCDC_1, &wm8350_dcdc1_data }, + { WM8350_DCDC_3, &wm8350_dcdc3_data }, + { WM8350_DCDC_4, &wm8350_dcdc4_data }, + { WM8350_DCDC_6, &wm8350_dcdc6_data }, + { WM8350_LDO_1, &wm8350_ldo1_data }, + { WM8350_LDO_2, &wm8350_ldo2_data }, + { WM8350_LDO_3, &wm8350_ldo3_data }, + { WM8350_LDO_4, &wm8350_ldo4_data }, +}; + +static int __init smdk6410_wm8350_init(struct wm8350 *wm8350) +{ + int i; + + /* Instantiate the regulators */ + for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++) + wm8350_register_regulator(wm8350, + wm1190_regulators[i].regulator, + wm1190_regulators[i].initdata); + + return 0; +} + +static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = { + .init = smdk6410_wm8350_init, +}; +#endif + static struct i2c_board_info i2c_devs0[] __initdata = { { I2C_BOARD_INFO("24c08", 0x50), }, { I2C_BOARD_INFO("wm8580", 0x1b), }, + +#ifdef CONFIG_SMDK6410_WM1190_EV1 + { I2C_BOARD_INFO("wm8350", 0x1a), + .platform_data = &smdk6410_wm8350_pdata, + .irq = S3C_EINT(12), + }, +#endif }; static struct i2c_board_info i2c_devs1[] __initdata = { |