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| /linux/drivers/pinctrl/renesas/ |
| H A D | pfc-r8a7796.c | c5901bdcbc6142b686b15d0b4a959aa19a350af1 Thu Sep 08 11:57:33 UTC 2016 Simon Horman <horms+renesas@verge.net.au> pinctrl: sh-pfc: r8a7796: Add voltage switch operations for SDHI
This patch supports the {get,set}_io_voltage operations of SDHI.
This operates the POCCTRL0 register on R8A7796 SoC and makes 1.8v/3.3v
voltage switch.
Based on work by Takeshi Kihara and Wolfram Sang.
Cc: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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