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

   1 /*
   2  * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
   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 #include <linux/compiler.h>
   9 #include <linux/err.h>
  10 #include <linux/init.h>
  11
  12 #include <mach/mx23.h>
  13 #include <mach/mx28.h>
  14 #include <mach/devices-common.h>
  15
  16 #define mxs_saif_data_entry_single(soc, _id)                            \
  17         {                                                               \
  18                 .id = _id,                                              \
  19                 .iobase = soc ## _SAIF ## _id ## _BASE_ADDR,            \
  20                 .irq = soc ## _INT_SAIF ## _id,                         \
  21                 .dma = soc ## _DMA_SAIF ## _id,                         \
  22                 .dmairq = soc ## _INT_SAIF ## _id ##_DMA,               \
  23         }
  24
  25 #define mxs_saif_data_entry(soc, _id)                                   \
  26         [_id] = mxs_saif_data_entry_single(soc, _id)
  27
  28 #ifdef CONFIG_SOC_IMX28
  29 const struct mxs_saif_data mx28_saif_data[] __initconst = {
  30         mxs_saif_data_entry(MX28, 0),
  31         mxs_saif_data_entry(MX28, 1),
  32 };
  33 #endif
  34
  35 struct platform_device *__init mxs_add_saif(const struct mxs_saif_data *data,
  36                                 const struct mxs_saif_platform_data *pdata)
  37 {
  38         struct resource res[] = {
  39                 {
  40                         .start = data->iobase,
  41                         .end = data->iobase + SZ_4K - 1,
  42                         .flags = IORESOURCE_MEM,
  43                 }, {
  44                         .start = data->irq,
  45                         .end = data->irq,
  46                         .flags = IORESOURCE_IRQ,
  47                 }, {
  48                         .start = data->dma,
  49                         .end = data->dma,
  50                         .flags = IORESOURCE_DMA,
  51                 }, {
  52                         .start = data->dmairq,
  53                         .end = data->dmairq,
  54                         .flags = IORESOURCE_IRQ,
  55                 },
  56
  57         };
  58
  59         return mxs_add_platform_device("mxs-saif", data->id, res,
  60                                 ARRAY_SIZE(res), pdata, sizeof(*pdata));
  61 }