ARM: EXYNOS4: configure MAX8903 secondary charger on NURI (605baf67) · Commits · e / devices / android_kernel_sony_msm8994

arch/arm/mach-exynos4/mach-nuri.c

+78 −0

Original line number	Diff line number	Diff line
		@@ -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)