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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>
This commit is contained in:
Dan Murphy 2013-08-26 08:54:49 -05:00 committed by Marek Vasut
parent 0a725a2da0
commit 9199fc52d9
2 changed files with 21 additions and 0 deletions
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15
drivers/power/palmas.c
View File

@ -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.

6
include/palmas.h
View File

@ -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 */