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| author | Paul Kocialkowski <contact@paulk.fr> | 2016-02-27 19:19:03 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-15 15:12:50 -0400 |
| commit | 0343f71f0901c87ac38b274eb303d18b70c1e3e9 (patch) | |
| tree | 1ddcfffa72477cb915abfe17bcc36b2635d48c64 | |
| parent | 6e495a453f2d59aa1ca92d1177957bfe5012bec0 (diff) | |
| download | talos-obmc-uboot-0343f71f0901c87ac38b274eb303d18b70c1e3e9.tar.gz talos-obmc-uboot-0343f71f0901c87ac38b274eb303d18b70c1e3e9.zip | |
power: twl6030: Configure VUSB voltage on USB device setup
This explicitly sets VUSB voltage to 3.3V when enabling USB.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
| -rw-r--r-- | drivers/power/twl6030.c | 4 | ||||
| -rw-r--r-- | include/twl6030.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c index 7ed9129ac7..df43cca34a 100644 --- a/drivers/power/twl6030.c +++ b/drivers/power/twl6030.c @@ -248,6 +248,10 @@ void twl6030_usb_device_settings() { u8 value = 0; + /* 3.3V voltage output for VUSB */ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_VOLTAGE, + TWL6030_CFG_VOLTAGE_33); + /* Enable P1 output for VUSB */ twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_STATE, TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON); diff --git a/include/twl6030.h b/include/twl6030.h index 04295c92c5..e68393c95d 100644 --- a/include/twl6030.h +++ b/include/twl6030.h @@ -32,6 +32,7 @@ #define TWL6030_VMMC_CFG_STATE 0x9A #define TWL6030_VMMC_CFG_VOLTAGE 0x9B #define TWL6030_VUSB_CFG_STATE 0xA2 +#define TWL6030_VUSB_CFG_VOLTAGE 0xA3 #define TWL6030_CFG_GRP_P1 (1 << 0) #define TWL6030_CFG_STATE_ON (1 << 0) @@ -39,6 +40,7 @@ #define TWL6030_CFG_VOLTAGE_18 0x09 #define TWL6030_CFG_VOLTAGE_28 0x13 #define TWL6030_CFG_VOLTAGE_30 0x15 +#define TWL6030_CFG_VOLTAGE_33 0x18 #define MISC1 0xE4 #define VAC_MEAS (1 << 2) |
