Source of pwm-atmel-hlcdc.c - linux-imx - PHYTEC BitBucket (Stash)

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};
​
static const struct atmel_hlcdc_pwm_errata atmel_hlcdc_pwm_at91sam9x5_errata = {
    .slow_clk_erratum = true,
};
​
static const struct atmel_hlcdc_pwm_errata atmel_hlcdc_pwm_sama5d3_errata = {
    .div1_clk_erratum = true,
};
​
#ifdef CONFIG_PM_SLEEP
static int atmel_hlcdc_pwm_suspend(struct device *dev)
{
    struct atmel_hlcdc_pwm *chip = dev_get_drvdata(dev);
​
    /* Keep the periph clock enabled if the PWM is still running. */
    if (pwm_is_enabled(&chip->chip.pwms[0]))
        clk_disable_unprepare(chip->hlcdc->periph_clk);
​
    return 0;
}
​
static int atmel_hlcdc_pwm_resume(struct device *dev)
{
    struct atmel_hlcdc_pwm *chip = dev_get_drvdata(dev);
    struct pwm_state state;
    int ret;
​
    pwm_get_state(&chip->chip.pwms[0], &state);
​
    /* Re-enable the periph clock it was stopped during suspend. */
    if (!state.enabled) {
        ret = clk_prepare_enable(chip->hlcdc->periph_clk);
        if (ret)
            return ret;
    }
​
    return atmel_hlcdc_pwm_apply(&chip->chip, &chip->chip.pwms[0], &state);
}
#endif
​
static SIMPLE_DEV_PM_OPS(atmel_hlcdc_pwm_pm_ops,
             atmel_hlcdc_pwm_suspend, atmel_hlcdc_pwm_resume);
​
static const struct of_device_id atmel_hlcdc_dt_ids[] = {
    {
        .compatible = "atmel,at91sam9n12-hlcdc",
        /* 9n12 has same errata as 9x5 HLCDC PWM */
        .data = &atmel_hlcdc_pwm_at91sam9x5_errata,
    },
    {
        .compatible = "atmel,at91sam9x5-hlcdc",
        .data = &atmel_hlcdc_pwm_at91sam9x5_errata,
    },
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​
static const struct of_device_id atmel_hlcdc_pwm_dt_ids[] = {
    { .compatible = "atmel,hlcdc-pwm" },
    { /* sentinel */ },
};
​
static struct platform_driver atmel_hlcdc_pwm_driver = {
    .driver = {
        .name = "atmel-hlcdc-pwm",
        .of_match_table = atmel_hlcdc_pwm_dt_ids,
        .pm = &atmel_hlcdc_pwm_pm_ops,
    },
    .probe = atmel_hlcdc_pwm_probe,
    .remove = atmel_hlcdc_pwm_remove,
};
module_platform_driver(atmel_hlcdc_pwm_driver);
​
MODULE_ALIAS("platform:atmel-hlcdc-pwm");
MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com>");
MODULE_DESCRIPTION("Atmel HLCDC PWM driver");
MODULE_LICENSE("GPL v2");