arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix, Wolfram Sang <w.sang@pengutronix.de>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it under
   5  * the terms of the GNU General Public License version 2 as published by the
   6  * Free Software Foundation.
   7  */
   8
   9 #include <mach/hardware.h>
  10 #include <mach/devices-common.h>
  11 #include <linux/platform_data/mmc-esdhc-imx.h>
  12
  13 #define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
  14         {                                                               \
  15                 .devid = _devid,                                        \
  16                 .id = _id,                                              \
  17                 .iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR,  \
  18                 .irq = soc ## _INT_ESDHC ## hwid,                       \
  19         }
  20
  21 #define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid)    \
  22         [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
  23
  24 #ifdef CONFIG_SOC_IMX25
  25 const struct imx_sdhci_esdhc_imx_data
  26 imx25_sdhci_esdhc_imx_data[] __initconst = {
  27 #define imx25_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  28         imx_sdhci_esdhc_imx_data_entry(MX25, "sdhci-esdhc-imx25", _id, _hwid)
  29         imx25_sdhci_esdhc_imx_data_entry(0, 1),
  30         imx25_sdhci_esdhc_imx_data_entry(1, 2),
  31 };
  32 #endif /* ifdef CONFIG_SOC_IMX25 */
  33
  34 #ifdef CONFIG_SOC_IMX35
  35 const struct imx_sdhci_esdhc_imx_data
  36 imx35_sdhci_esdhc_imx_data[] __initconst = {
  37 #define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  38         imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
  39         imx35_sdhci_esdhc_imx_data_entry(0, 1),
  40         imx35_sdhci_esdhc_imx_data_entry(1, 2),
  41         imx35_sdhci_esdhc_imx_data_entry(2, 3),
  42 };
  43 #endif /* ifdef CONFIG_SOC_IMX35 */
  44
  45 #ifdef CONFIG_SOC_IMX51
  46 const struct imx_sdhci_esdhc_imx_data
  47 imx51_sdhci_esdhc_imx_data[] __initconst = {
  48 #define imx51_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  49         imx_sdhci_esdhc_imx_data_entry(MX51, "sdhci-esdhc-imx51", _id, _hwid)
  50         imx51_sdhci_esdhc_imx_data_entry(0, 1),
  51         imx51_sdhci_esdhc_imx_data_entry(1, 2),
  52         imx51_sdhci_esdhc_imx_data_entry(2, 3),
  53         imx51_sdhci_esdhc_imx_data_entry(3, 4),
  54 };
  55 #endif /* ifdef CONFIG_SOC_IMX51 */
  56
  57 #ifdef CONFIG_SOC_IMX53
  58 const struct imx_sdhci_esdhc_imx_data
  59 imx53_sdhci_esdhc_imx_data[] __initconst = {
  60 #define imx53_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  61         imx_sdhci_esdhc_imx_data_entry(MX53, "sdhci-esdhc-imx53", _id, _hwid)
  62         imx53_sdhci_esdhc_imx_data_entry(0, 1),
  63         imx53_sdhci_esdhc_imx_data_entry(1, 2),
  64         imx53_sdhci_esdhc_imx_data_entry(2, 3),
  65         imx53_sdhci_esdhc_imx_data_entry(3, 4),
  66 };
  67 #endif /* ifdef CONFIG_SOC_IMX53 */
  68
  69 static const struct esdhc_platform_data default_esdhc_pdata __initconst = {
  70         .wp_type = ESDHC_WP_NONE,
  71         .cd_type = ESDHC_CD_NONE,
  72 };
  73
  74 struct platform_device *__init imx_add_sdhci_esdhc_imx(
  75                 const struct imx_sdhci_esdhc_imx_data *data,
  76                 const struct esdhc_platform_data *pdata)
  77 {
  78         struct resource res[] = {
  79                 {
  80                         .start = data->iobase,
  81                         .end = data->iobase + SZ_16K - 1,
  82                         .flags = IORESOURCE_MEM,
  83                 }, {
  84                         .start = data->irq,
  85                         .end = data->irq,
  86                         .flags = IORESOURCE_IRQ,
  87                 },
  88         };
  89
  90         /*
  91          * If machine does not provide pdata, use the default one
  92          * which means no WP/CD support
  93          */
  94         if (!pdata)
  95                 pdata = &default_esdhc_pdata;
  96
  97         return imx_add_platform_device(data->devid, data->id, res,
  98                         ARRAY_SIZE(res), pdata, sizeof(*pdata));
  99 }