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| author | Dan Murphy <dmurphy@ti.com> | 2013-08-26 08:54:49 -0500 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-10-20 23:42:39 +0200 |
| commit | 1bd435bc70a03f150900be4ac70a7bc8bfa4b438 (patch) | |
| tree | 57fe4afd26195f9afbb0cd1cf6e13c550e68dbf3 | |
| parent | ec89e0a68a72c6fe930637f29bb8dd3fd4835dce (diff) | |
| download | u-boot-imx-1bd435bc70a03f150900be4ac70a7bc8bfa4b438.zip u-boot-imx-1bd435bc70a03f150900be4ac70a7bc8bfa4b438.tar.gz u-boot-imx-1bd435bc70a03f150900be4ac70a7bc8bfa4b438.tar.bz2 | |
ARM: OMAP5: Power: Add new function to turn on SMPS10
Add new functionality to turn on SMPS10 regulator.
This supplies the VBUS to devices connected to the
USB host ports
Signed-off-by: Dan Murphy <dmurphy@ti.com>
| -rw-r--r-- | drivers/power/palmas.c | 15 | ||||
| -rw-r--r-- | include/palmas.h | 6 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c index c7b0cbe..cfbc9dc 100644 --- a/drivers/power/palmas.c +++ b/drivers/power/palmas.c @@ -127,6 +127,21 @@ int twl603x_audio_power(u8 on) } #endif +#ifdef CONFIG_PALMAS_USB_SS_PWR +/** + * @brief palmas_enable_ss_ldo - Configure EVM board specific configurations + * for the USB Super speed SMPS10 regulator. + * + * @return 0 + */ +int palmas_enable_ss_ldo(void) +{ + /* Enable smps10 regulator */ + return palmas_i2c_write_u8(TWL603X_CHIP_P1, SMPS10_CTRL, + SMPS10_MODE_ACTIVE_D); +} +#endif + /* * Enable/disable back-up battery (or super cap) charging on TWL6035/37. * Please use defined BB_xxx values. diff --git a/include/palmas.h b/include/palmas.h index f74f08e..eaf3670 100644 --- a/include/palmas.h +++ b/include/palmas.h @@ -31,6 +31,7 @@ /* LDOUSB control/voltage */ #define LDOUSB_CTRL 0x64 #define LDOUSB_VOLTAGE 0x65 +#define LDO_CTRL 0x6a /* Control of 32 kHz audio clock */ #define CLK32KGAUDIO_CTRL 0xd5 @@ -62,6 +63,10 @@ #define SMPS9_CTRL 0x38 #define SMPS9_VOLTAGE 0x3b +/* SMPS10_CTRL */ +#define SMPS10_CTRL 0x3c +#define SMPS10_MODE_ACTIVE_D 0x0d + /* Bit field definitions for SMPSx_CTRL */ #define SMPS_MODE_ACT_AUTO 1 #define SMPS_MODE_ACT_ECO 2 @@ -114,5 +119,6 @@ int palmas_mmc1_poweron_ldo(void); int twl603x_mmc1_set_ldo9(u8 vsel); int twl603x_audio_power(u8 on); int twl603x_enable_bb_charge(u8 bb_fields); +int palmas_enable_ss_ldo(void); #endif /* PALMAS_H */ |