linux/arch/arm/plat-mxc/devices/platform-mxc_w1.c
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   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
  18const 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
  23const 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
  28const 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
  33const 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
  37struct 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}
  51