diff options
| author | Igor Grinberg <grinberg@compulab.co.il> | 2010-03-09 11:43:48 +0200 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-05-11 17:25:01 +0200 |
| commit | 03ba7e07f5025710470b12e18e2b9b2979d836db (patch) | |
| tree | 666bc49f5b53ea44561b4dec05bd961c4991c89a /arch/arm | |
| parent | b1d9bf1d9836dcee235f49bb4eb5ba4450a3a678 (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.c | 57 |
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 = { |