arch/arm/plat-mxc/devices/platform-mxc_w1.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@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 <mach/hardware.h>
  10 #include <mach/devices-common.h>
  11
  12 #define imx_mxc_w1_data_entry_single(soc)                               \
  13         {                                                               \
  14                 .iobase = soc ## _OWIRE_BASE_ADDR,                      \
  15         }
  16
  17 #ifdef CONFIG_SOC_IMX21
  18 const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
  19         imx_mxc_w1_data_entry_single(MX21);
  20 #endif /* ifdef CONFIG_SOC_IMX21 */
  21
  22 #ifdef CONFIG_SOC_IMX27
  23 const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
  24         imx_mxc_w1_data_entry_single(MX27);
  25 #endif /* ifdef CONFIG_SOC_IMX27 */
  26
  27 #ifdef CONFIG_SOC_IMX31
  28 const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
  29         imx_mxc_w1_data_entry_single(MX31);
  30 #endif /* ifdef CONFIG_SOC_IMX31 */
  31
  32 #ifdef CONFIG_SOC_IMX35
  33 const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
  34         imx_mxc_w1_data_entry_single(MX35);
  35 #endif /* ifdef CONFIG_SOC_IMX35 */
  36
  37 struct platform_device *__init imx_add_mxc_w1(
  38                 const struct imx_mxc_w1_data *data)
  39 {
  40         struct resource res[] = {
  41                 {
  42                         .start = data->iobase,
  43                         .end = data->iobase + SZ_4K - 1,
  44                         .flags = IORESOURCE_MEM,
  45                 },
  46         };
  47
  48         return imx_add_platform_device("mxc_w1", 0,
  49                         res, ARRAY_SIZE(res), NULL, 0);
  50 }