linux-imx

 *  675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

​

#include <linux/clk.h>

#include <linux/err.h>

#include <linux/gpio.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/pwm.h>

​

#include <asm/mach-jz4740/timer.h>

​

#define NUM_PWM 8

​

struct jz4740_pwm_chip {

    struct pwm_chip chip;

    struct clk *clk;

​

    jz4740->clk = devm_clk_get(&pdev->dev, "ext");

    if (IS_ERR(jz4740->clk))

        return PTR_ERR(jz4740->clk);

​

    jz4740->chip.dev = &pdev->dev;

    jz4740->chip.ops = &jz4740_pwm_ops;

    jz4740->chip.npwm = NUM_PWM;

    jz4740->chip.base = -1;

​

    platform_set_drvdata(pdev, jz4740);

​

    return pwmchip_add(&jz4740->chip);

}

​

static int jz4740_pwm_remove(struct platform_device *pdev)

{

    struct jz4740_pwm_chip *jz4740 = platform_get_drvdata(pdev);

​

    return pwmchip_remove(&jz4740->chip);

}

​

static struct platform_driver jz4740_pwm_driver = {

    .driver = {

        .name = "jz4740-pwm",

    },

    .probe = jz4740_pwm_probe,

    .remove = jz4740_pwm_remove,

};

module_platform_driver(jz4740_pwm_driver);

​

MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");

MODULE_DESCRIPTION("Ingenic JZ4740 PWM driver");

MODULE_ALIAS("platform:jz4740-pwm");

MODULE_LICENSE("GPL");