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mmc: add support MMCIF for SuperH

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MMCIF is the MMC Host Interface in SuperH.

Signed-off-by: Yusuke Goda <[email protected]>
Cc: Ben Hutchings <[email protected]>
Cc: Paul Mundt <[email protected]>
Cc: Magnus Damm <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yusuke Goda 2010-05-26 14:41:59 -07:00 • committed by Linus Torvalds
commit fdc50a9444
4 changed files with 1013 additions and 0 deletions
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39
include/linux/mmc/sh_mmcif.h Normal file
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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__ */