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>
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 @@
.vbat_shift = TWL6032_VBAT_SHIFT,
};
+
static int twl6030_gpadc_read_channel(u8 channel_no)
{
u8 lsb = 0;
@@ -71,6 +72,13 @@
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 @@
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);