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Commit fdc50a94 authored by Yusuke Goda's avatar Yusuke Goda Committed by Linus Torvalds
Browse files

mmc: add support MMCIF for SuperH 



MMCIF is the MMC Host Interface in SuperH.

Signed-off-by: default avatarYusuke Goda <yusuke.goda.sx@renesas.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 99ddffd8

drivers/mmc/host/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -412,3 +412,11 @@ config SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND 
	depends on SDH_BFIN

	help

	  If you say yes here SD-Cards may work on the EZkit.



config MMC_SH_MMCIF

	tristate "SuperH Internal MMCIF support"

	depends on MMC_BLOCK && (SUPERH || ARCH_SHMOBILE)

	help

	  This selects the MMC Host Interface controler (MMCIF).



	  This driver supports MMCIF in sh7724/sh7757/sh7372.

drivers/mmc/host/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o 
obj-$(CONFIG_MMC_CB710)	+= cb710-mmc.o

obj-$(CONFIG_MMC_VIA_SDMMC)	+= via-sdmmc.o

obj-$(CONFIG_SDH_BFIN)		+= bfin_sdh.o

obj-$(CONFIG_MMC_SH_MMCIF)	+= sh_mmcif.o



obj-$(CONFIG_MMC_SDHCI_OF)	+= sdhci-of.o

sdhci-of-y				:= sdhci-of-core.o

drivers/mmc/host/sh_mmcif.c

0 → 100644
+965 −0

File added.

Preview size limit exceeded, changes collapsed.

include/linux/mmc/sh_mmcif.h

0 → 100644
+39 −0
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/*

 * include/linux/mmc/sh_mmcif.h

 *

 * platform data for eMMC driver

 *

 * Copyright (C) 2010 Renesas Solutions Corp.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License.

 *

 */



#ifndef __SH_MMCIF_H__

#define __SH_MMCIF_H__



/*

 * MMCIF : CE_CLK_CTRL [19:16]

 * 1000 : Peripheral clock / 512

 * 0111 : Peripheral clock / 256

 * 0110 : Peripheral clock / 128

 * 0101 : Peripheral clock / 64

 * 0100 : Peripheral clock / 32

 * 0011 : Peripheral clock / 16

 * 0010 : Peripheral clock / 8

 * 0001 : Peripheral clock / 4

 * 0000 : Peripheral clock / 2

 * 1111 : Peripheral clock (sup_pclk set '1')

 */



struct sh_mmcif_plat_data {

	void (*set_pwr)(struct platform_device *pdev, int state);

	void (*down_pwr)(struct platform_device *pdev);

	u8	sup_pclk;	/* 1 :SH7757, 0: SH7724/SH7372 */

	unsigned long caps;

	u32	ocr;

};



#endif /* __SH_MMCIF_H__ */