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drivers: mmc: omap_hsmmc: Fix IO Buffer on OMAP36xx

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On the OMAP36xx/37xx the CONTROL_WKUP_CTRL register has
a field (bit 6) named GPIO_IO_PWRDNZ.  If 0, the IO buffers which
are related to GPIO_126, 127 and 129 are disabled. Some boards may
need this for MMC. After the PBIAS is configured, this bit should
be set high to enable these GPIO pins.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Adam Ford
2017-02-06 11:31:43 -06:00
committed by Jaehoon Chung
parent d14f1d511a
commit 6aca17c9b7
3 changed files with 31 additions and 0 deletions
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configs/omap3_logic_defconfig
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@@ -33,6 +33,7 @@ CONFIG_CMD_UBI=y
CONFIG_ISO_PARTITION=y
CONFIG_EFI_PARTITION=y
CONFIG_MMC_OMAP_HS=y
CONFIG_MMC_OMAP36XX_PINS=y
CONFIG_SYS_NS16550=y
CONFIG_USB=y
CONFIG_USB_MUSB_GADGET=y