[ARM] pxa/cm-x300.c: add battery charger support

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 56 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index d37cfa132a65..0e538d8895d1 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -30,6 +30,8 @@
 #include <linux/i2c/pca953x.h>
 
 #include <linux/mfd/da903x.h>
+#include <linux/power_supply.h>
+#include <linux/apm-emulation.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_gpio.h>
@@ -584,12 +586,65 @@ static void __init cm_x300_init_rtc(void)
 static inline void cm_x300_init_rtc(void) {}
 #endif
 
+/* Battery */
+struct power_supply_info cm_x300_psy_info = {
+	.name = "battery",
+	.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
+	.voltage_max_design = 4200000,
+	.voltage_min_design = 3000000,
+	.use_for_apm = 1,
+};
+
+static void cm_x300_battery_low(void)
+{
+#if defined(CONFIG_APM_EMULATION)
+	apm_queue_event(APM_LOW_BATTERY);
+#endif
+}
+
+static void cm_x300_battery_critical(void)
+{
+#if defined(CONFIG_APM_EMULATION)
+	apm_queue_event(APM_CRITICAL_SUSPEND);
+#endif
+}
+
+struct da9030_battery_info cm_x300_battery_info = {
+	.battery_info = &cm_x300_psy_info,
+
+	.charge_milliamp = 1000,
+	.charge_millivolt = 4200,
+
+	.vbat_low = 3600,
+	.vbat_crit = 3400,
+	.vbat_charge_start = 4100,
+	.vbat_charge_stop = 4200,
+	.vbat_charge_restart = 4000,
+
+	.vcharge_min = 3200,
+	.vcharge_max = 5500,
+
+	.tbat_low = 197,
+	.tbat_high = 78,
+	.tbat_restart = 100,
+
+	.batmon_interval = 0,
+
+	.battery_low = cm_x300_battery_low,
+	.battery_critical = cm_x300_battery_critical,
+};
+
 /* DA9030 */
 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
 	{
 		.name = "da903x-backlight",
 		.id = DA9030_ID_WLED,
-	}
+	},
+	{
+		.name = "da903x-battery",
+		.id = DA9030_ID_BAT,
+		.platform_data = &cm_x300_battery_info,
+	},
 };
 
 static struct da903x_platform_data cm_x300_da9030_info = {