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(parent: 90321dc) | patch
mmc: omap_hsmmc: add signal voltage selection support
authorJean-Jacques Hiblot <jjhiblot@ti.com>
Tue, 30 Jan 2018 15:01:46 +0000 (16:01 +0100)
committerJaehoon Chung <jh80.chung@samsung.com>
Mon, 19 Feb 2018 07:58:55 +0000 (16:58 +0900)
commit04f9f8be8301ec7a9be6371c558fd20a7b9a179a
tree9f440c5557b061426a3fd76a4ccd0690cb873887tree | snapshot
parent90321dce0da1ba0844a7066a1034cdf73b8613c6commit | diff
mmc: omap_hsmmc: add signal voltage selection support

I/O data lines of UHS SD card operates at 1.8V when in UHS speed
mode (same is true for eMMC in DDR and HS200 modes). Add support
to switch signal voltage to 1.8V in order to support
UHS cards and eMMC HS200 and DDR modes.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
arch/arm/include/asm/omap_mmc.h diff | blob | history
drivers/mmc/omap_hsmmc.c diff | blob | history
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