From 6d6fd3674259d16b735c961743ff28870c46cedc Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 10 Jul 2013 21:21:13 +0200
Subject: mmc: sh_mmcif: revision-specific CLK_CTRL2 handling

Some newer MMCIF IP revisions contain a CE_CLK_CTRL2 register, that has to
be set for proper operation. Support for this feature is added in a way to
preserve the current behaviour by default, i.e. when it is not enabled
in platform data. Patch is based on work by Nobuyuki HIRAI.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
 include/linux/mmc/sh_mmcif.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/mmc/sh_mmcif.h')

diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index 197ed91f6a0c..ccd8fb2cad52 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -37,6 +37,7 @@ struct sh_mmcif_plat_data {
 	unsigned int		slave_id_rx;
 	bool			use_cd_gpio : 1;
 	bool			ccs_unsupported : 1;
+	bool			clk_ctrl2_present : 1;
 	unsigned int		cd_gpio;
 	u8			sup_pclk;	/* 1 :SH7757, 0: SH7724/SH7372 */
 	unsigned long		caps;
@@ -60,6 +61,7 @@ struct sh_mmcif_plat_data {
 #define MMCIF_CE_INT_MASK	0x00000044
 #define MMCIF_CE_HOST_STS1	0x00000048
 #define MMCIF_CE_HOST_STS2	0x0000004C
+#define MMCIF_CE_CLK_CTRL2	0x00000070
 #define MMCIF_CE_VERSION	0x0000007C
 
 /* CE_BUF_ACC */
-- 
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