linux/drivers/gpio/gpio-menz127.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * MEN 16Z127 GPIO driver
 *
 * Copyright (C) 2016 MEN Mikroelektronik GmbH (www.men.de)
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/mcb.h>
#include <linux/bitops.h>
#include <linux/gpio/driver.h>

#define MEN_Z127_CTRL …
#define MEN_Z127_PSR …
#define MEN_Z127_IRQR …
#define MEN_Z127_GPIODR …
#define MEN_Z127_IER1 …
#define MEN_Z127_IER2 …
#define MEN_Z127_DBER …
#define MEN_Z127_ODER …
#define GPIO_TO_DBCNT_REG(gpio) …

#define MEN_Z127_DB_MIN_US …
/* 16 bit compare register. Each bit represents 50us */
#define MEN_Z127_DB_MAX_US …
#define MEN_Z127_DB_IN_RANGE(db) …

struct men_z127_gpio { … };

static int men_z127_debounce(struct gpio_chip *gc, unsigned gpio,
			     unsigned debounce)
{ … }

static int men_z127_set_single_ended(struct gpio_chip *gc,
				     unsigned offset,
				     enum pin_config_param param)
{ … }

static int men_z127_set_config(struct gpio_chip *gc, unsigned offset,
			       unsigned long config)
{ … }

static int men_z127_probe(struct mcb_device *mdev,
			  const struct mcb_device_id *id)
{ … }

static void men_z127_remove(struct mcb_device *mdev)
{ … }

static const struct mcb_device_id men_z127_ids[] = …;
MODULE_DEVICE_TABLE(mcb, men_z127_ids);

static struct mcb_driver men_z127_driver = …;
module_mcb_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;
MODULE_IMPORT_NS(…);