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authorIgor Grinberg <grinberg@compulab.co.il>2010-03-09 11:43:48 +0200
committerEric Miao <eric.y.miao@gmail.com>2010-05-11 17:25:01 +0200
commit03ba7e07f5025710470b12e18e2b9b2979d836db (patch)
tree666bc49f5b53ea44561b4dec05bd961c4991c89a /arch/arm
parentb1d9bf1d9836dcee235f49bb4eb5ba4450a3a678 (diff)
[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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-pxa/cm-x300.c57
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 d37cfa132a6..0e538d8895d 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 = {