linux/drivers/gpio/gpio-tpic2810.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015-2023 Texas Instruments Incorporated - https://www.ti.com/
 *	Andrew Davis <[email protected]>
 */

#include <linux/gpio/driver.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mutex.h>

#define TPIC2810_WS_COMMAND …

/**
 * struct tpic2810 - GPIO driver data
 * @chip: GPIO controller chip
 * @client: I2C device pointer
 * @buffer: Buffer for device register
 * @lock: Protects write sequences
 */
struct tpic2810 { … };

static void tpic2810_set(struct gpio_chip *chip, unsigned offset, int value);

static int tpic2810_get_direction(struct gpio_chip *chip,
				  unsigned offset)
{ … }

static int tpic2810_direction_input(struct gpio_chip *chip,
				    unsigned offset)
{ … }

static int tpic2810_direction_output(struct gpio_chip *chip,
				     unsigned offset, int value)
{ … }

static void tpic2810_set_mask_bits(struct gpio_chip *chip, u8 mask, u8 bits)
{ … }

static void tpic2810_set(struct gpio_chip *chip, unsigned offset, int value)
{ … }

static void tpic2810_set_multiple(struct gpio_chip *chip, unsigned long *mask,
				  unsigned long *bits)
{ … }

static const struct gpio_chip template_chip = …;

static const struct of_device_id tpic2810_of_match_table[] = …;
MODULE_DEVICE_TABLE(of, tpic2810_of_match_table);

static int tpic2810_probe(struct i2c_client *client)
{ … }

static const struct i2c_device_id tpic2810_id_table[] = …;
MODULE_DEVICE_TABLE(i2c, tpic2810_id_table);

static struct i2c_driver tpic2810_driver = …;
module_i2c_driver(…) …;

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