From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Sun, 21 Apr 2013 21:26:26 +0000 (+0200)
Subject: sh-pfc: sh73a0: Add VCCQ MC0 regulator
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~70^2~11^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea770ad2ec054e26076d677f2e87add53712941c;p=pandora-kernel.git

sh-pfc: sh73a0: Add VCCQ MC0 regulator

The sh73a0 has an internal power gate on the VCCQ power supply for the
SDHI0 device that is controlled (for some strange reason) by a bit in a
PFC register. This feature should be exposed as a regulator.

As the same register is also used for pin control purposes there is no
way to achieve atomic read/write sequences with a separate regulator
driver. We thus need to implement the regulator here.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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