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 --- drivers/power/palmas.c | 15 +++++++++++++++ include/palmas.h | 6 ++++++ 2 files changed, 21 insertions(+)
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 */