diff options
| author | Ajay Kumar Gupta <ajay.gupta@ti.com> | 2010-06-10 11:20:50 +0530 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2010-06-30 21:37:37 +0200 |
| commit | 944a4894c047f9fc17d21f1e4ca92d5909b8405b (patch) | |
| tree | bdc9fb36b9d2c96e963d56c9bb11fb8d2f5a4b5b | |
| parent | b5abf644aa6d1d11023df449a251d0f296c45b89 (diff) | |
musb: Program extvbus for OMAP3EVM Rev >= E
OMAP3EVM Rev >=E uses external Vbus supply so setting 'extvbus'
to '1' for OMAP3EVM Rev >=E runtime based on EVM revision.
CC: Remy Bohmer <linux@bohmer.net>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
| -rw-r--r-- | board/ti/evm/evm.c | 13 | ||||
| -rw-r--r-- | drivers/usb/musb/omap3.c | 3 | ||||
| -rw-r--r-- | drivers/usb/musb/omap3.h | 4 |
3 files changed, 20 insertions, 0 deletions
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c index fcc1803bcd..9948b9cd30 100644 --- a/board/ti/evm/evm.c +++ b/board/ti/evm/evm.c @@ -65,6 +65,19 @@ static void omap3_evm_get_revision(void) } /* + * MUSB port on OMAP3EVM Rev >= E requires extvbus programming. + */ +u8 omap3_evm_need_extvbus(void) +{ + u8 retval = 0; + + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) + retval = 1; + + return retval; +} + +/* * Routine: board_init * Description: Early hardware init. */ diff --git a/drivers/usb/musb/omap3.c b/drivers/usb/musb/omap3.c index 785629cb7b..a983552357 100644 --- a/drivers/usb/musb/omap3.c +++ b/drivers/usb/musb/omap3.c @@ -119,6 +119,9 @@ int musb_platform_init(void) stdby &= ~OMAP3_OTG_FORCESTDBY_STANDBY; writel(stdby, &otg->forcestdby); +#ifdef CONFIG_OMAP3_EVM + musb_cfg.extvbus = omap3_evm_need_extvbus(); +#endif platform_needs_initialization = 0; } diff --git a/drivers/usb/musb/omap3.h b/drivers/usb/musb/omap3.h index b591862b2d..c934e0cadd 100644 --- a/drivers/usb/musb/omap3.h +++ b/drivers/usb/musb/omap3.h @@ -44,4 +44,8 @@ int musb_platform_init(void); +#ifdef CONFIG_OMAP3_EVM +extern u8 omap3_evm_use_extvbus(void); +#endif + #endif /* _MUSB_OMAP3_H */ |