pinctrl: sh-pfc: r8a7794: Implement voltage switching for SDHI
authorSimon Horman <horms+renesas@verge.net.au>
Mon, 12 Sep 2016 07:36:35 +0000 (09:36 +0200)
committerGeert Uytterhoeven <geert+renesas@glider.be>
Wed, 14 Sep 2016 07:26:54 +0000 (09:26 +0200)
commit77fd4136e58c642482f03d293d5717658a569b4b
treef49a5d802599b7dad9c7e1663fb32db285d12dd9
parent0e1396f101da63c1ea3a1868d6e549f3ca20dd5b
pinctrl: sh-pfc: r8a7794: Implement voltage switching for SDHI

All the SHDIs can operate with either 3.3V or 1.8V signals, depending
on negotiation with the card.

Based on work by Wolfram Sang for the r8a7790.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
drivers/pinctrl/sh-pfc/pfc-r8a7794.c