linux/drivers/pwm/pwm-bcm2835.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright 2014 Bart Tanghe <[email protected]>
 */

#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>

#define PWM_CONTROL …
#define PWM_CONTROL_SHIFT(x) …
#define PWM_CONTROL_MASK …
#define PWM_MODE …
#define PWM_ENABLE …
#define PWM_POLARITY …

#define PERIOD(x) …
#define DUTY(x) …

#define PERIOD_MIN …

struct bcm2835_pwm { … };

static inline struct bcm2835_pwm *to_bcm2835_pwm(struct pwm_chip *chip)
{ … }

static int bcm2835_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
{ … }

static void bcm2835_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
{ … }

static int bcm2835_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
			     const struct pwm_state *state)
{ … }

static const struct pwm_ops bcm2835_pwm_ops = …;

static int bcm2835_pwm_probe(struct platform_device *pdev)
{ … }

static int bcm2835_pwm_suspend(struct device *dev)
{ … }

static int bcm2835_pwm_resume(struct device *dev)
{ … }

static DEFINE_SIMPLE_DEV_PM_OPS(bcm2835_pwm_pm_ops, bcm2835_pwm_suspend,
				bcm2835_pwm_resume);

static const struct of_device_id bcm2835_pwm_of_match[] = …;
MODULE_DEVICE_TABLE(of, bcm2835_pwm_of_match);

static struct platform_driver bcm2835_pwm_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;