rk3399驱动添加电池adc开机检测功能

添加 kernel/drivers/power/rk29_adc_battery.c

diff --git a/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c b/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
index 1299733ef2…0306f3f316 100755
— a/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
+++ b/RKTools/oem/custom/henantuorenyiliao/kernel/drivers/power/rk29_adc_battery.c
@@ -1068,6 +1068,15 @@ static int rk29_adc_battery_probe(struct platform_device *pdev)
dev_err(dev,“can’t request charge_detect gpio %d\n”,charge_detect);
}else{
gpio_direction_input(charge_detect);

•                   ret = gpio_get_value(charge_detect);
  

•                   if(ret == 1){
  

•                           printk("CHARGING\n");
  

•                           gBatteryData->bat_status = POWER_SUPPLY_STATUS_CHARGING;
  

•                   }else{
  

•                           printk("DISCHARGING\n");
  

•                           gBatteryData->bat_status = POWER_SUPPLY_STATUS_DISCHARGING;
  

•                   }
  

•                   irq = gpio_to_irq(charge_detect);
                    ret = devm_request_irq(dev,irq,charge_detect_irq,IRQF_TRIGGER_RISING,"charge_detect",NULL);
                    if(ret < 0){
  

kernel/arch/arm64/boot/dts/rockchip/rk3399-jawest-android.dtsi

• rk29_adc {

•    compatible = "rk29-adc";
  

•   charge-irq-gpio = <&gpio3 RK_PA3 GPIO_ACTIVE_HIGH>;
  

•   pinctrl-names = "default";
  

•   pinctrl-0 = <&charge_detect>;
  

•    io-channels = <&saradc 1>;
  

•    io-channel-names = "adc1";
  

•    status = "okay";
  

• };
• rk29_bat {

•   charge_detect: charge_detect {
  

•   	rockchip,pins = <3 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
  

•   };
  

• };