platform-mxc_pwm.c

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/*
 * Copyright (C) 2009-2010 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_pwm_data_entry_single(soc, _id, _hwid, _size)       \
    {                               \
        .id = _id,                      \
        .iobase = soc ## _PWM ## _hwid ## _BASE_ADDR,       \
        .iosize = _size,                    \
        .irq = soc ## _INT_PWM ## _hwid,            \
    }
#define imx_mxc_pwm_data_entry(soc, _id, _hwid, _size)          \
    [_id] = imx_mxc_pwm_data_entry_single(soc, _id, _hwid, _size)

#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_pwm_data imx21_mxc_pwm_data __initconst =
    imx_mxc_pwm_data_entry_single(MX21, 0, , SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX21 */

#ifdef CONFIG_SOC_IMX25
const struct imx_mxc_pwm_data imx25_mxc_pwm_data[] __initconst = {
#define imx25_mxc_pwm_data_entry(_id, _hwid)                \
    imx_mxc_pwm_data_entry(MX25, _id, _hwid, SZ_16K)
    imx25_mxc_pwm_data_entry(0, 1),
    imx25_mxc_pwm_data_entry(1, 2),
    imx25_mxc_pwm_data_entry(2, 3),
    imx25_mxc_pwm_data_entry(3, 4),
};
#endif /* ifdef CONFIG_SOC_IMX25 */

#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_pwm_data imx27_mxc_pwm_data __initconst =
    imx_mxc_pwm_data_entry_single(MX27, 0, , SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX27 */

#ifdef CONFIG_SOC_IMX51
const struct imx_mxc_pwm_data imx51_mxc_pwm_data[] __initconst = {
#define imx51_mxc_pwm_data_entry(_id, _hwid)                \
    imx_mxc_pwm_data_entry(MX51, _id, _hwid, SZ_16K)
    imx51_mxc_pwm_data_entry(0, 1),
    imx51_mxc_pwm_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX51 */

struct platform_device *__init imx_add_mxc_pwm(
        const struct imx_mxc_pwm_data *data)
{
    struct resource res[] = {
        {
            .start = data->iobase,
            .end = data->iobase + data->iosize - 1,
            .flags = IORESOURCE_MEM,
        }, {
            .start = data->irq,
            .end = data->irq,
            .flags = IORESOURCE_IRQ,
        },
    };

    return imx_add_platform_device("mxc_pwm", data->id,
            res, ARRAY_SIZE(res), NULL, 0);
}