commit 298269c602b54dd56e1424cb8e706fc30bc7d489
author Hu Ziji <huziji@marvell.com> Thu Mar 30 17:23:01 2017 +0200
committer Ulf Hansson <ulf.hansson@linaro.org> Mon Apr 24 21:42:17 2017 +0200
tree 4e21fbd4cae6314f5ab846eaf4dba6a72060c30e
parent 06c8b667ff5b984ac3aa901c4928e4a427987a56

mmc: sdhci-xenon: Add SoC PHY PAD voltage control

Some SoCs have PHY PAD outside Xenon IP.
PHY PAD voltage should match signalling voltage in use.

Add generic SoC PHY PAD voltage control interface.
Implement Aramda-3700 SoC PHY PAD voltage control.

Signed-off-by: Hu Ziji <huziji@marvell.com>
Tested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>