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ARM: EXYNOS4: configure MAX8903 secondary charger on NURI

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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>
This commit is contained in:
MyungJoo Ham 2011-07-21 00:31:27 +09:00 committed by Kukjin Kim
parent ed9ba31f6b
commit 605baf670e
1 changed files with 78 additions and 0 deletions
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78
arch/arm/mach-exynos4/mach-nuri.c
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@ -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)