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support for battery

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modified:   arch/arm/configs/rk3026_86v_defconfig
      modified:   arch/arm/mach-rk3026/board-rk3026-86v.c
This commit is contained in:
gy
2013-08-20 11:08:38 +08:00
parent 1389ca5dd4
commit 7089bf4c27
2 changed files with 53 additions and 3 deletions
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4
arch/arm/configs/rk3026_86v_defconfig
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@@ -275,7 +275,9 @@ CONFIG_EXPANDED_GPIO_IRQ_NUM=0
CONFIG_SPI_FPGA_GPIO_NUM=0
CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
CONFIG_POWER_SUPPLY=y
CONFIG_TEST_POWER=y
CONFIG_BATTERY_RK30_ADC_FAC=y
CONFIG_BATTERY_RK30_AC_CHARGE=y
CONFIG_BATTERY_RK30_VOL3V8=y
# CONFIG_HWMON is not set
CONFIG_MFD_TPS65910=y
CONFIG_MFD_WM831X_I2C=y

52
arch/arm/mach-rk3026/board-rk3026-86v.c
View File

@@ -923,19 +923,67 @@ struct rk29_sdmmc_platform_data default_sdmmc1_data = {
#endif //endif--#ifdef CONFIG_SDMMC1_RK29
#ifdef CONFIG_BATTERY_RK30_ADC_FAC
#define DC_DET_PIN RK30_PIN1_PA5
#define CHARGE_OK_PIN INVALID_GPIO//RK30_PIN0_PC6
static int rk30_adc_battery_io_init(void){
//dc charge detect pin
int ret=0;
if (DC_DET_PIN != INVALID_GPIO){
ret = gpio_request(RK30_PIN1_PA5, NULL);
if (ret) {
printk("failed to request dc_det gpio\n");
}
gpio_pull_updown(DC_DET_PIN, PullDisable);//important
ret = gpio_direction_input(DC_DET_PIN);
if (ret) {
printk("failed to set gpio dc_det input\n");
}
}
//charge ok detect
if (CHARGE_OK_PIN != INVALID_GPIO){
ret = gpio_request(RK30_PIN0_PC6, NULL);
if (ret) {
printk("failed to request charge_ok gpio\n");
}
gpio_pull_updown(CHARGE_OK_PIN, GPIOPullUp);//important
ret = gpio_direction_input(CHARGE_OK_PIN);
if (ret) {
printk("failed to set gpio charge_ok input\n");
}
}
ret = gpio_request(RK30_PIN3_PD6, NULL);
if (ret) {
printk("failed to request charge_ok gpio\n");
}
gpio_pull_updown(RK30_PIN3_PD6, GPIOPullUp);//important
// ret = gpio_direction_input(RK30_PIN3_PD6);
// if (ret) {
// printk("failed to set gpio charge_ok input\n");
// }
}
static struct rk30_adc_battery_platform_data rk30_adc_battery_platdata = {
.dc_det_pin = RK30_PIN1_PA5,
.batt_low_pin = INVALID_GPIO,
.charge_set_pin = INVALID_GPIO,
.charge_ok_pin = RK30_PIN1_PA0,
.charge_ok_pin = INVALID_GPIO,//RK30_PIN1_PA0,
.usb_det_pin = INVALID_GPIO,
.dc_det_level = GPIO_LOW,
.charge_ok_level = GPIO_HIGH,
.reference_voltage = 3300, // the rK2928 is 3300;RK3066 and rk29 are 2500;rk3066B is 1800;
.pull_up_res = 200, //divider resistance , pull-up resistor
.pull_down_res = 120, //divider resistance , pull-down resistor
.pull_down_res = 200, //divider resistance , pull-down resistor
.io_init = rk30_adc_battery_io_init,
.is_reboot_charging = 1,
.save_capacity = 1 ,
.low_voltage_protection = 3600,