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

   1 /*
   2  * Copyright (C) 2010 Pengutronix, Marc Kleine-Budde <kernel@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 #include "../hardware.h"
   9 #include "devices-common.h"
  10
  11 #define imx_flexcan_data_entry_single(soc, _id, _hwid, _size)           \
  12         {                                                               \
  13                 .id = _id,                                              \
  14                 .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,           \
  15                 .iosize = _size,                                        \
  16                 .irq = soc ## _INT_CAN ## _hwid,                        \
  17         }
  18
  19 #define imx_flexcan_data_entry(soc, _id, _hwid, _size)                  \
  20         [_id] = imx_flexcan_data_entry_single(soc, _id, _hwid, _size)
  21
  22 #ifdef CONFIG_SOC_IMX25
  23 const struct imx_flexcan_data imx25_flexcan_data[] __initconst = {
  24 #define imx25_flexcan_data_entry(_id, _hwid)                            \
  25         imx_flexcan_data_entry(MX25, _id, _hwid, SZ_16K)
  26         imx25_flexcan_data_entry(0, 1),
  27         imx25_flexcan_data_entry(1, 2),
  28 };
  29 #endif /* ifdef CONFIG_SOC_IMX25 */
  30
  31 #ifdef CONFIG_SOC_IMX35
  32 const struct imx_flexcan_data imx35_flexcan_data[] __initconst = {
  33 #define imx35_flexcan_data_entry(_id, _hwid)                            \
  34         imx_flexcan_data_entry(MX35, _id, _hwid, SZ_16K)
  35         imx35_flexcan_data_entry(0, 1),
  36         imx35_flexcan_data_entry(1, 2),
  37 };
  38 #endif /* ifdef CONFIG_SOC_IMX35 */
  39
  40 struct platform_device *__init imx_add_flexcan(
  41                 const struct imx_flexcan_data *data)
  42 {
  43         struct resource res[] = {
  44                 {
  45                         .start = data->iobase,
  46                         .end = data->iobase + data->iosize - 1,
  47                         .flags = IORESOURCE_MEM,
  48                 }, {
  49                         .start = data->irq,
  50                         .end = data->irq,
  51                         .flags = IORESOURCE_IRQ,
  52                 },
  53         };
  54
  55         return imx_add_platform_device("flexcan", data->id,
  56                         res, ARRAY_SIZE(res), NULL, 0);
  57 }