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ac:add charge current set

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This commit is contained in:
hzf
2013-09-25 16:18:33 +08:00
parent bb7a533392
commit b20f71aef0
2 changed files with 79 additions and 1 deletions
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1
arch/arm/configs/rk3188_ac_defconfig
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@@ -299,6 +299,7 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_GENERIC is not set
# CONFIG_BACKLIGHT_RK29_BL is not set
CONFIG_DISPLAY_SUPPORT=y
CONFIG_FB_ROCKCHIP=y
CONFIG_DUAL_LCDC_DUAL_DISP_IN_KERNEL=y

79
arch/arm/mach-rk3188/board-rk3188-ac.c
View File

@@ -940,6 +940,81 @@ struct rk29_sdmmc_platform_data default_sdmmc1_data = {
**************************************************************************************************/
#ifdef CONFIG_BATTERY_RK30_ADC_FAC
static int ac_current = -1;
#define CHARING_CURRENT_500MA 0
#define CHARING_CURRENT_1000MA 1
#define DC_CUR_SET_PIN RK30_PIN0_PB0
#define CHARGE_OK_PIN RK30_PIN0_PA6
#define DC_DET_PIN RK30_PIN0_PB2
static int rk30_battery_adc_io_init(void)
{
int ret = 0;
printk("charging: set charging current 500ma \n");
ac_current = CHARING_CURRENT_500MA;
//dc charge detect pin
ret = gpio_request(DC_DET_PIN, NULL);
if (ret) {
printk("failed to request dc_det gpio\n");
return ret ;
}
gpio_pull_updown(DC_DET_PIN, 1);//important
ret = gpio_direction_input(DC_DET_PIN);
if (ret) {
printk("failed to set gpio dc_det input\n");
return ret ;
}
//charge ok pin
ret = gpio_request(CHARGE_OK_PIN, NULL);
if (ret) {
printk("failed to request charge_ok gpio\n");
return ret ;
}
gpio_pull_updown(CHARGE_OK_PIN, 1);//important
ret = gpio_direction_input(CHARGE_OK_PIN);
if (ret) {
printk("failed to set gpio charge_ok input\n");
return ret ;
}
//charge current set pin
ret = gpio_request(DC_CUR_SET_PIN, NULL);
if (ret) {
printk("failed to request DC_CUR_SET_PIN gpio\n");
return ret ;
}
ret = gpio_direction_output(DC_CUR_SET_PIN, GPIO_LOW);//500ma
if (ret) {
printk("failed to set gpio DC_CUR_SET_PIN output\n");
return ret ;
}
return 0;
}
static int set_usb_charging_current(int mode)
{
#if 0
if ( (ac_current==CHARING_CURRENT_1000MA) && (mode == PC_MODE) ) {
gpio_set_value(DC_CUR_SET_PIN, GPIO_LOW);
ac_current = CHARING_CURRENT_500MA;
}
else if ((mode == ADAPT_MODE) && (ac_current==CHARING_CURRENT_500MA))
{
gpio_set_value(DC_CUR_SET_PIN, GPIO_HIGH);
ac_current = CHARING_CURRENT_1000MA;
}
#endif
gpio_set_value(DC_CUR_SET_PIN, GPIO_LOW);
ac_current = CHARING_CURRENT_500MA;
}
static struct rk30_adc_battery_platform_data rk30_adc_battery_platdata = {
.dc_det_pin = RK30_PIN0_PB2,
.batt_low_pin = INVALID_GPIO,
@@ -955,7 +1030,9 @@ static struct rk30_adc_battery_platform_data rk30_adc_battery_platdata = {
.is_reboot_charging = 1,
.save_capacity = 1 ,
.low_voltage_protection = 3600,
.low_voltage_protection = 3600,
.io_init = rk30_battery_adc_io_init,
.control_usb_charging= set_usb_charging_current,
};
static struct platform_device rk30_device_adc_battery = {