platform-mxc_w1.c

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/*
 * Copyright (C) 2010 Pengutronix
 * Uwe Kleine-Koenig <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 */
#include <mach/hardware.h>
#include <mach/devices-common.h>

#define imx_mxc_w1_data_entry_single(soc)               \
    {                               \
        .iobase = soc ## _OWIRE_BASE_ADDR,          \
    }

#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
    imx_mxc_w1_data_entry_single(MX21);
#endif /* ifdef CONFIG_SOC_IMX21 */

#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
    imx_mxc_w1_data_entry_single(MX27);
#endif /* ifdef CONFIG_SOC_IMX27 */

#ifdef CONFIG_SOC_IMX31
const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
    imx_mxc_w1_data_entry_single(MX31);
#endif /* ifdef CONFIG_SOC_IMX31 */

#ifdef CONFIG_SOC_IMX35
const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
    imx_mxc_w1_data_entry_single(MX35);
#endif /* ifdef CONFIG_SOC_IMX35 */

struct platform_device *__init imx_add_mxc_w1(
        const struct imx_mxc_w1_data *data)
{
    struct resource res[] = {
        {
            .start = data->iobase,
            .end = data->iobase + SZ_4K - 1,
            .flags = IORESOURCE_MEM,
        },
    };

    return imx_add_platform_device("mxc_w1", 0,
            res, ARRAY_SIZE(res), NULL, 0);
}