diff options
| author | MyungJoo Ham <myungjoo.ham@samsung.com> | 2011-07-21 00:31:27 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-07-21 01:46:42 +0900 |
| commit | 605baf670e9b9900e169c516a650764db39f55c4 (patch) | |
| tree | 13a11a33a368e0c912a7dcb8b172859a90e4dba4 /arch/arm/mach-exynos4 | |
| parent | ed9ba31f6b9fb80b07d27efa87b1f1f374db927c (diff) | |
| download | linux-605baf670e9b9900e169c516a650764db39f55c4.tar.gz | |
ARM: EXYNOS4: configure MAX8903 secondary charger on NURI
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos4')
| -rw-r--r-- | arch/arm/mach-exynos4/mach-nuri.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c index d0999519e9ac..002549bf5260 100644 --- a/arch/arm/mach-exynos4/mach-nuri.c +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -16,6 +16,7 @@ #include <linux/i2c-gpio.h> #include <linux/gpio_keys.h> #include <linux/gpio.h> +#include <linux/power/max8903_charger.h> #include <linux/power/max17042_battery.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> @@ -59,6 +60,7 @@ enum fixed_regulator_id { FIXED_REG_ID_MMC = 0, + FIXED_REG_ID_MAX8903, }; static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = { @@ -981,10 +983,70 @@ static struct i2c_board_info i2c9_devs[] __initdata = { }, }; +/* MAX8903 Secondary Charger */ +static struct regulator_consumer_supply supplies_max8903[] = { + REGULATOR_SUPPLY("vinchg2", "charger-manager.0"), +}; + +static struct regulator_init_data max8903_charger_en_data = { + .constraints = { + .name = "VOUT_CHARGER", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(supplies_max8903), + .consumer_supplies = supplies_max8903, +}; + +static struct fixed_voltage_config max8903_charger_en = { + .supply_name = "VOUT_CHARGER", + .microvolts = 5000000, /* Assume 5VDC */ + .gpio = EXYNOS4_GPY4(5), /* TA_EN negaged */ + .enable_high = 0, /* Enable = Low */ + .enabled_at_boot = 1, + .init_data = &max8903_charger_en_data, +}; + +static struct platform_device max8903_fixed_reg_dev = { + .name = "reg-fixed-voltage", + .id = FIXED_REG_ID_MAX8903, + .dev = { .platform_data = &max8903_charger_en }, +}; + +static struct max8903_pdata nuri_max8903 = { + /* + * cen: don't control with the driver, let it be + * controlled by regulator above + */ + .dok = EXYNOS4_GPX1(4), /* TA_nCONNECTED */ + /* uok, usus: not connected */ + .chg = EXYNOS4_GPE2(0), /* TA_nCHG */ + /* flt: vcc_1.8V_pda */ + .dcm = EXYNOS4_GPL0(1), /* CURR_ADJ */ + + .dc_valid = true, + .usb_valid = false, /* USB is not wired to MAX8903 */ +}; + +static struct platform_device nuri_max8903_device = { + .name = "max8903-charger", + .dev = { + .platform_data = &nuri_max8903, + }, +}; + +static struct device *nuri_cm_devices[] = { + &s3c_device_i2c5.dev, + &s3c_device_adc.dev, + NULL, /* Reserved for UART */ + NULL, +}; + static void __init nuri_power_init(void) { int gpio; int irq_base = IRQ_GPIO_END + 1; + int ta_en = 0; nuri_max8997_pdata.irq_base = irq_base; irq_base += MAX8997_IRQ_NR; @@ -998,6 +1060,20 @@ static void __init nuri_power_init(void) gpio_request(gpio, "FUEL_ALERT"); s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + + gpio = nuri_max8903.dok; + gpio_request(gpio, "TA_nCONNECTED"); + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + ta_en = gpio_get_value(gpio) ? 0 : 1; + + gpio = nuri_max8903.chg; + gpio_request(gpio, "TA_nCHG"); + gpio_direction_input(gpio); + + gpio = nuri_max8903.dcm; + gpio_request(gpio, "CURR_ADJ"); + gpio_direction_output(gpio, ta_en); } /* USB EHCI */ @@ -1028,6 +1104,8 @@ static struct platform_device *nuri_devices[] __initdata = { &nuri_gpio_keys, &nuri_lcd_device, &nuri_backlight_device, + &max8903_fixed_reg_dev, + &nuri_max8903_device, }; static void __init nuri_map_io(void) |