[ARM] 5248/1: wm97xx generic battery driver

This patch adds generic battery driver for wm97xx chips.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/palmtx.c

@@ -25,6 +25,8 @@
 #include <linux/pda_power.h>
 #include <linux/pwm_backlight.h>
 #include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+#include <linux/power_supply.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -339,6 +341,23 @@ static struct platform_device power_supply = {
 	},
 };
 
+/******************************************************************************
+ * WM97xx battery
+ ******************************************************************************/
+static struct wm97xx_batt_info wm97xx_batt_pdata = {
+	.batt_aux	= WM97XX_AUX_ID3,
+	.temp_aux	= WM97XX_AUX_ID2,
+	.charge_gpio	= -1,
+	.max_voltage	= PALMTX_BAT_MAX_VOLTAGE,
+	.min_voltage	= PALMTX_BAT_MIN_VOLTAGE,
+	.batt_mult	= 1000,
+	.batt_div	= 414,
+	.temp_mult	= 1,
+	.temp_div	= 1,
+	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
+	.batt_name	= "main-batt",
+};
+
 /******************************************************************************
  * Framebuffer
  ******************************************************************************/
@@ -401,6 +420,7 @@ static void __init palmtx_init(void)
 	pxa_set_ac97_info(NULL);
 	pxa_set_ficp_info(&palmtx_ficp_platform_data);
 	pxa_set_keypad_info(&palmtx_keypad_platform_data);
+	wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }

drivers/power/Kconfig

@@ -56,10 +56,10 @@ config BATTERY_TOSA
 	  Say Y to enable support for the battery on the Sharp Zaurus
 	  SL-6000 (tosa) models.
 
-config BATTERY_PALMTX
-	tristate "Palm T|X battery"
-	depends on MACH_PALMTX
+config BATTERY_WM97XX
+	bool "WM97xx generic battery driver"
+	depends on TOUCHSCREEN_WM97XX
 	help
-	  Say Y to enable support for the battery in Palm T|X.
+	  Say Y to enable support for battery measured by WM97xx aux port.
 
 endif # POWER_SUPPLY

drivers/power/Makefile

@@ -21,4 +21,4 @@ obj-$(CONFIG_BATTERY_DS2760)	+= ds2760_battery.o
 obj-$(CONFIG_BATTERY_PMU)	+= pmu_battery.o
 obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o
 obj-$(CONFIG_BATTERY_TOSA)	+= tosa_battery.o
-obj-$(CONFIG_BATTERY_PALMTX)	+= palmtx_battery.o
+obj-$(CONFIG_BATTERY_WM97XX)	+= wm97xx_battery.o