linux/drivers/pwm/pwm-crc.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015 Intel Corporation. All rights reserved.
 *
 * Author: Shobhit Kumar <[email protected]>
 */

#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/intel_soc_pmic.h>
#include <linux/pwm.h>

#define PWM0_CLK_DIV …
#define PWM_OUTPUT_ENABLE …
#define PWM_DIV_CLK_0 …
#define PWM_DIV_CLK_100 …
#define PWM_DIV_CLK_128 …

#define PWM0_DUTY_CYCLE …
#define BACKLIGHT_EN …

#define PWM_MAX_LEVEL …

#define PWM_BASE_CLK_MHZ …
#define PWM_MAX_PERIOD_NS …

/**
 * struct crystalcove_pwm - Crystal Cove PWM controller
 * @regmap: the regmap from the parent device.
 */
struct crystalcove_pwm { … };

static inline struct crystalcove_pwm *to_crc_pwm(struct pwm_chip *chip)
{ … }

static int crc_pwm_calc_clk_div(int period_ns)
{ … }

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

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

static const struct pwm_ops crc_pwm_ops = …;

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

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

MODULE_ALIAS(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;