arch/arm/mach-mxs/devices/platform-mxs-mmc.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU General Public License version 2 as published by the
   9  * Free Software Foundation.
  10  */
  11
  12 #include <linux/compiler.h>
  13 #include <linux/err.h>
  14 #include <linux/init.h>
  15
  16 #include <mach/mx23.h>
  17 #include <mach/mx28.h>
  18 #include <mach/devices-common.h>
  19
  20 #define mxs_mxs_mmc_data_entry_single(soc, _id, hwid)                   \
  21         {                                                               \
  22                 .id = _id,                                              \
  23                 .iobase = soc ## _SSP ## hwid ## _BASE_ADDR,            \
  24                 .dma = soc ## _DMA_SSP ## hwid,                         \
  25                 .irq_err = soc ## _INT_SSP ## hwid ## _ERROR,           \
  26                 .irq_dma = soc ## _INT_SSP ## hwid ## _DMA,             \
  27         }
  28
  29 #define mxs_mxs_mmc_data_entry(soc, _id, hwid)                          \
  30         [_id] = mxs_mxs_mmc_data_entry_single(soc, _id, hwid)
  31
  32
  33 #ifdef CONFIG_SOC_IMX23
  34 const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst = {
  35         mxs_mxs_mmc_data_entry(MX23, 0, 1),
  36         mxs_mxs_mmc_data_entry(MX23, 1, 2),
  37 };
  38 #endif
  39
  40 #ifdef CONFIG_SOC_IMX28
  41 const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst = {
  42         mxs_mxs_mmc_data_entry(MX28, 0, 0),
  43         mxs_mxs_mmc_data_entry(MX28, 1, 1),
  44 };
  45 #endif
  46
  47 struct platform_device *__init mxs_add_mxs_mmc(
  48                 const struct mxs_mxs_mmc_data *data,
  49                 const struct mxs_mmc_platform_data *pdata)
  50 {
  51         struct resource res[] = {
  52                 {
  53                         .start  = data->iobase,
  54                         .end    = data->iobase + SZ_8K - 1,
  55                         .flags  = IORESOURCE_MEM,
  56                 }, {
  57                         .start  = data->dma,
  58                         .end    = data->dma,
  59                         .flags  = IORESOURCE_DMA,
  60                 }, {
  61                         .start  = data->irq_err,
  62                         .end    = data->irq_err,
  63                         .flags  = IORESOURCE_IRQ,
  64                 }, {
  65                         .start  = data->irq_dma,
  66                         .end    = data->irq_dma,
  67                         .flags  = IORESOURCE_IRQ,
  68                 },
  69         };
  70
  71         return mxs_add_platform_device("mxs-mmc", data->id,
  72                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  73 }