add rk30 adc battery checker

arch/arm/mach-rk30/board-rk30-sdk.c

@@ -1117,6 +1117,25 @@ static struct platform_device rk29sdk_rfkill = {
         .id = -1,
 };
 
+#ifdef CONFIG_BATTERY_RK30_ADC
+static struct rk30_adc_battery_platform_data rk30_adc_battery_platdata = {
+        .dc_det_pin      = RK30_PIN6_PA5,
+        .batt_low_pin    = RK30_PIN6_PA0,
+        .charge_set_pin  = INVALID_GPIO,
+        .charge_ok_pin   = RK30_PIN6_PA6,
+        .dc_det_level    = GPIO_LOW,
+        .charge_ok_level = GPIO_HIGH,
+};
+
+static struct platform_device rk30_device_adc_battery = {
+        .name   = "rk30-battery",
+        .id     = -1,
+        .dev = {
+                .platform_data = &rk30_adc_battery_platdata,
+        },
+};
+#endif
+
 /**************************************************************************************************
  * the end of setting for SDMMC devices
 **************************************************************************************************/
@@ -1149,6 +1168,9 @@ static struct platform_device *devices[] __initdata = {
 #ifdef CONFIG_RK29_SUPPORT_MODEM
     &rk30_device_modem,
 #endif
+#ifdef CONFIG_BATTERY_RK30_ADC
+ 	&rk30_device_adc_battery,
+#endif
 };
 
 // i2c

arch/arm/mach-rk30/include/mach/board.h

@@ -24,6 +24,24 @@ struct rk30_i2c_platform_data {
 	int (*io_deinit)(void);
 };
 
+/* adc battery */
+struct rk30_adc_battery_platform_data {
+        int (*io_init)(void);
+        int (*io_deinit)(void);
+
+        int dc_det_pin;
+        int batt_low_pin;
+        int charge_ok_pin;
+        int charge_set_pin;
+
+//        int adc_channel;
+
+        int dc_det_level;
+        int batt_low_level;
+        int charge_ok_level;
+        int charge_set_level;
+};
+
 #ifndef _LINUX_WLAN_PLAT_H_
 struct wifi_platform_data {
         int (*set_power)(int val);

drivers/power/Kconfig

@@ -304,6 +304,24 @@ config BATTERY_RK29_AC_CHARGE
 	help
 	  say Y to enable suspport for the AC battery charge
 
+config BATTERY_RK30_ADC
+        tristate "RK30 ADC Battery"
+        depends on ADC_RK30
+        help
+          Say Y to enable support for the battery on the RK30.
+
+config BATTERY_RK30_AC_CHARGE
+        tristate "RK30 AC CHARGE"
+        depends on BATTERY_RK30_ADC
+        help
+          say Y to enable suspport for the AC battery charge
+
+config BATTERY_RK30_VOL3V8
+       tristate "the battery voltage is 3.8V"
+        depends on BATTERY_RK30_ADC
+        help
+          say Y to enable suspport for the battery voltage 3.8V	
+
 config POWER_ON_CHARGER_DISPLAY
 	bool "Support charger display"
 

drivers/power/Makefile

@@ -42,4 +42,5 @@ obj-$(CONFIG_CHARGER_MAX8903)	+= max8903_charger.o
 obj-$(CONFIG_CHARGER_TWL4030)	+= twl4030_charger.o
 obj-$(CONFIG_CHARGER_GPIO)	+= gpio-charger.o
 obj-$(CONFIG_BATTERY_RK29_ADC)	+= rk29_adc_battery.o
+obj-$(CONFIG_BATTERY_RK30_ADC)  += rk30_adc_battery.o
 obj-$(CONFIG_POWER_ON_CHARGER_DISPLAY)	+= rk29_charger_display.o

drivers/power/rk29_charger_display.c

@@ -94,7 +94,7 @@ static int  __init start_charge_logo_display(void)
 		val_status.intval = POWER_SUPPLY_STATUS_CHARGING;
 
 	// low power   and  discharging
-
+#if 0
 	if((val_capacity.intval < pwr_on_thrsd )&&(val_status.intval != POWER_SUPPLY_STATUS_CHARGING))
 	{
 		printk("low power\n");
@@ -102,8 +102,9 @@ static int  __init start_charge_logo_display(void)
 		while(1);
 		return 0;
 	}
+#endif
+
 
-/*
 	//low power and charging
 	if((val_capacity.intval < pwr_on_thrsd )&&(val_status.intval == POWER_SUPPLY_STATUS_CHARGING))
 	{
@@ -117,7 +118,7 @@ static int  __init start_charge_logo_display(void)
 			//printk("charging ... \n");
 		}
 	}
-*/
+
 
 
 	if(val_status.intval == POWER_SUPPLY_STATUS_CHARGING)