[ARM] pxa/em-x270: add battery charger

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 7d056cb2334e..20ed10c67c6c 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -24,6 +24,8 @@
 #include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/tdo24m.h>
+#include <linux/power_supply.h>
+#include <linux/apm-emulation.h>
 
 #include <media/soc_camera.h>
 
@@ -824,6 +826,49 @@ struct led_info em_x270_led_info = {
         .default_trigger = "battery-charging-or-full",
 };
 
+struct power_supply_info em_x270_psy_info = {
+        .name = "LP555597P6H-FPS",
+        .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
+        .voltage_max_design = 4200000,
+        .voltage_min_design = 3000000,
+        .use_for_apm = 1,
+};
+
+static void em_x270_battery_low(void)
+{
+        apm_queue_event(APM_LOW_BATTERY);
+}
+
+static void em_x270_battery_critical(void)
+{
+        apm_queue_event(APM_CRITICAL_SUSPEND);
+}
+
+struct da9030_battery_info em_x270_batterty_info = {
+        .battery_info = &em_x270_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 = em_x270_battery_low,
+        .battery_critical = em_x270_battery_critical,
+};
+
 #define DA9030_SUBDEV(_name, _id, _pdata)       \
         {                                       \
                 .name = "da903x-" #_name,       \
@@ -842,6 +887,7 @@ struct da903x_subdev_info em_x270_da9030_subdevs[] = {
 
         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
+        DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
 };
 
 static struct da903x_platform_data em_x270_da9030_info = {