linux/drivers/pwm/pwm-hibvt.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * PWM Controller Driver for HiSilicon BVT SoCs
 *
 * Copyright (c) 2016 HiSilicon Technologies Co., Ltd.
 */

#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/reset.h>

#define PWM_CFG0_ADDR(x) …
#define PWM_CFG1_ADDR(x) …
#define PWM_CFG2_ADDR(x) …
#define PWM_CTRL_ADDR(x) …

#define PWM_ENABLE_SHIFT …
#define PWM_ENABLE_MASK …

#define PWM_POLARITY_SHIFT …
#define PWM_POLARITY_MASK …

#define PWM_KEEP_SHIFT …
#define PWM_KEEP_MASK …

#define PWM_PERIOD_MASK …
#define PWM_DUTY_MASK …

struct hibvt_pwm_chip { … };

struct hibvt_pwm_soc { … };

static const struct hibvt_pwm_soc hi3516cv300_soc_info = …;

static const struct hibvt_pwm_soc hi3519v100_soc_info = …;

static const struct hibvt_pwm_soc hi3559v100_shub_soc_info = …;

static const struct hibvt_pwm_soc hi3559v100_soc_info = …;

static inline struct hibvt_pwm_chip *to_hibvt_pwm_chip(struct pwm_chip *chip)
{ … }

static void hibvt_pwm_set_bits(void __iomem *base, u32 offset,
					u32 mask, u32 data)
{ … }

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

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

static void hibvt_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
					int duty_cycle_ns, int period_ns)
{ … }

static void hibvt_pwm_set_polarity(struct pwm_chip *chip,
					struct pwm_device *pwm,
					enum pwm_polarity polarity)
{ … }

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

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

static const struct pwm_ops hibvt_pwm_ops = …;

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

static void hibvt_pwm_remove(struct platform_device *pdev)
{ … }

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

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

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