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power: twl6030: Power off support

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This adds support for powering off (the omap SoC) from the twl6030.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
This commit is contained in:
Paul Kocialkowski 2016-02-27 19:19:12 +01:00 committed by Tom Rini
parent 4986c6c79c
commit d6a2042dbc
2 changed files with 15 additions and 0 deletions
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8
drivers/power/twl6030.c
View File

@ -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);

7
include/twl6030.h
View File

@ -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);