include/linux/mmc/sh_mmcif.h

   1 /*
   2  * include/linux/mmc/sh_mmcif.h
   3  *
   4  * platform data for eMMC driver
   5  *
   6  * Copyright (C) 2010 Renesas Solutions Corp.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License.
  11  *
  12  */
  13
  14 #ifndef __SH_MMCIF_H__
  15 #define __SH_MMCIF_H__
  16
  17 /*
  18  * MMCIF : CE_CLK_CTRL [19:16]
  19  * 1000 : Peripheral clock / 512
  20  * 0111 : Peripheral clock / 256
  21  * 0110 : Peripheral clock / 128
  22  * 0101 : Peripheral clock / 64
  23  * 0100 : Peripheral clock / 32
  24  * 0011 : Peripheral clock / 16
  25  * 0010 : Peripheral clock / 8
  26  * 0001 : Peripheral clock / 4
  27  * 0000 : Peripheral clock / 2
  28  * 1111 : Peripheral clock (sup_pclk set '1')
  29  */
  30
  31 struct sh_mmcif_plat_data {
  32         void (*set_pwr)(struct platform_device *pdev, int state);
  33         void (*down_pwr)(struct platform_device *pdev);
  34         u8      sup_pclk;       /* 1 :SH7757, 0: SH7724/SH7372 */
  35         unsigned long caps;
  36         u32     ocr;
  37 };
  38
  39 #endif /* __SH_MMCIF_H__ */