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| author | Paul Kocialkowski <contact@paulk.fr> | 2016-02-27 19:19:12 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-15 15:12:56 -0400 |
| commit | d6a2042dbcd4a3a3d8282c77a5882104a5c399a7 (patch) | |
| tree | 950060380cf76b046e4f13c0f4035b888704aa95 | |
| parent | 4986c6c79c5ed682d172e51cb34baaf12478e91f (diff) | |
| download | u-boot-imx-d6a2042dbcd4a3a3d8282c77a5882104a5c399a7.zip u-boot-imx-d6a2042dbcd4a3a3d8282c77a5882104a5c399a7.tar.gz u-boot-imx-d6a2042dbcd4a3a3d8282c77a5882104a5c399a7.tar.bz2 | |
power: twl6030: Power off support
This adds support for powering off (the omap SoC) from the twl6030.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
| -rw-r--r-- | drivers/power/twl6030.c | 8 | ||||
| -rw-r--r-- | include/twl6030.h | 7 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c index bfeb34b..05c79be 100644 --- a/drivers/power/twl6030.c +++ b/drivers/power/twl6030.c @@ -28,6 +28,7 @@ static struct twl6030_data twl6032_info = { .vbat_shift = TWL6032_VBAT_SHIFT, }; + static int twl6030_gpadc_read_channel(u8 channel_no) { u8 lsb = 0; @@ -71,6 +72,13 @@ static int twl6030_gpadc_sw2_trigger(void) return 0; } +void twl6030_power_off(void) +{ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_PHOENIX_DEV_ON, + TWL6030_PHOENIX_APP_DEVOFF | TWL6030_PHOENIX_CON_DEVOFF | + TWL6030_PHOENIX_MOD_DEVOFF); +} + void twl6030_stop_usb_charging(void) { twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CONTROLLER_CTRL1, 0); diff --git a/include/twl6030.h b/include/twl6030.h index 9a1c645..26c27a4 100644 --- a/include/twl6030.h +++ b/include/twl6030.h @@ -20,6 +20,12 @@ #define TWL6030_CHIP_PWM 0x49 /* Slave Address 0x48 */ +#define TWL6030_PHOENIX_DEV_ON 0x25 + +#define TWL6030_PHOENIX_APP_DEVOFF (1 << 0) +#define TWL6030_PHOENIX_CON_DEVOFF (1 << 1) +#define TWL6030_PHOENIX_MOD_DEVOFF (1 << 2) + #define TWL6030_PH_STS_BOOT 0x29 #define TWL6030_PH_STS_BOOT0 (1 << 0) @@ -182,6 +188,7 @@ static inline int twl6030_i2c_read_u8(u8 chip_no, u8 reg, u8 *val) return i2c_read(chip_no, reg, 1, val, 1); } +void twl6030_power_off(void); void twl6030_init_battery_charging(void); void twl6030_usb_device_settings(void); void twl6030_start_usb_charging(void); |