arch/arm/mach-imx/devices/platform-imx2-wdt.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2010 Pengutronix
   4  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5  */
   6 #include <linux/sizes.h>
   7
   8 #include "../hardware.h"
   9 #include "devices-common.h"
  10
  11 #define imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)          \
  12         {                                                               \
  13                 .id = _id,                                              \
  14                 .iobase = soc ## _WDOG ## _hwid ## _BASE_ADDR,          \
  15                 .iosize = _size,                                        \
  16         }
  17 #define imx_imx2_wdt_data_entry(soc, _id, _hwid, _size)                 \
  18         [_id] = imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)
  19
  20 #ifdef CONFIG_SOC_IMX21
  21 const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
  22         imx_imx2_wdt_data_entry_single(MX21, 0, , SZ_4K);
  23 #endif /* ifdef CONFIG_SOC_IMX21 */
  24
  25 #ifdef CONFIG_SOC_IMX27
  26 const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
  27         imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K);
  28 #endif /* ifdef CONFIG_SOC_IMX27 */
  29
  30 #ifdef CONFIG_SOC_IMX31
  31 const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst =
  32         imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K);
  33 #endif /* ifdef CONFIG_SOC_IMX31 */
  34
  35 #ifdef CONFIG_SOC_IMX35
  36 const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst =
  37         imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K);
  38 #endif /* ifdef CONFIG_SOC_IMX35 */
  39
  40 struct platform_device *__init imx_add_imx2_wdt(
  41                 const struct imx_imx2_wdt_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         };
  50         return imx_add_platform_device("imx2-wdt", data->id,
  51                         res, ARRAY_SIZE(res), NULL, 0);
  52 }