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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2010 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
   4  */
   5 #include "../hardware.h"
   6 #include "devices-common.h"
   7
   8 #define imx_flexcan_data_entry_single(soc, _id, _hwid, _size)           \
   9         {                                                               \
  10                 .id = _id,                                              \
  11                 .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,           \
  12                 .iosize = _size,                                        \
  13                 .irq = soc ## _INT_CAN ## _hwid,                        \
  14         }
  15
  16 #define imx_flexcan_data_entry(soc, _id, _hwid, _size)                  \
  17         [_id] = imx_flexcan_data_entry_single(soc, _id, _hwid, _size)
  18
  19 #ifdef CONFIG_SOC_IMX35
  20 const struct imx_flexcan_data imx35_flexcan_data[] __initconst = {
  21 #define imx35_flexcan_data_entry(_id, _hwid)                            \
  22         imx_flexcan_data_entry(MX35, _id, _hwid, SZ_16K)
  23         imx35_flexcan_data_entry(0, 1),
  24         imx35_flexcan_data_entry(1, 2),
  25 };
  26 #endif /* ifdef CONFIG_SOC_IMX35 */
  27
  28 struct platform_device *__init imx_add_flexcan(
  29                 const struct imx_flexcan_data *data)
  30 {
  31         struct resource res[] = {
  32                 {
  33                         .start = data->iobase,
  34                         .end = data->iobase + data->iosize - 1,
  35                         .flags = IORESOURCE_MEM,
  36                 }, {
  37                         .start = data->irq,
  38                         .end = data->irq,
  39                         .flags = IORESOURCE_IRQ,
  40                 },
  41         };
  42
  43         return imx_add_platform_device("flexcan", data->id,
  44                         res, ARRAY_SIZE(res), NULL, 0);
  45 }