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

   1 /*
   2  * Copyright (C) 2010, 2011 Pengutronix,
   3  *                          Marc Kleine-Budde <kernel@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include <asm/sizes.h>
  10 #include <mach/mx28.h>
  11 #include <mach/devices-common.h>
  12
  13 #define mxs_flexcan_data_entry_single(soc, _id, _hwid, _size)           \
  14         {                                                               \
  15                 .id = _id,                                              \
  16                 .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,           \
  17                 .iosize = _size,                                        \
  18                 .irq = soc ## _INT_CAN ## _hwid,                        \
  19         }
  20
  21 #define mxs_flexcan_data_entry(soc, _id, _hwid, _size)                  \
  22         [_id] = mxs_flexcan_data_entry_single(soc, _id, _hwid, _size)
  23
  24 #ifdef CONFIG_SOC_IMX28
  25 const struct mxs_flexcan_data mx28_flexcan_data[] __initconst = {
  26 #define mx28_flexcan_data_entry(_id, _hwid)                             \
  27         mxs_flexcan_data_entry_single(MX28, _id, _hwid, SZ_8K)
  28         mx28_flexcan_data_entry(0, 0),
  29         mx28_flexcan_data_entry(1, 1),
  30 };
  31 #endif /* ifdef CONFIG_SOC_IMX28 */
  32
  33 struct platform_device *__init mxs_add_flexcan(
  34                 const struct mxs_flexcan_data *data,
  35                 const struct flexcan_platform_data *pdata)
  36 {
  37         struct resource res[] = {
  38                 {
  39                         .start = data->iobase,
  40                         .end = data->iobase + data->iosize - 1,
  41                         .flags = IORESOURCE_MEM,
  42                 }, {
  43                         .start = data->irq,
  44                         .end = data->irq,
  45                         .flags = IORESOURCE_IRQ,
  46                 },
  47         };
  48
  49         return mxs_add_platform_device("flexcan", data->id,
  50                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  51 }