linux/drivers/rtc/rtc-rx8111.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for Epson RX8111 RTC.
 *
 * Copyright (C) 2023 Axis Communications AB
 */

#include <linux/bcd.h>
#include <linux/bitfield.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/regmap.h>

#include <linux/rtc.h>

#define RX8111_REG_SEC …
#define RX8111_REG_MIN …
#define RX8111_REG_HOUR …
#define RX8111_REG_WEEK …
#define RX8111_REG_DAY …
#define RX8111_REG_MONTH …
#define RX8111_REG_YEAR …

#define RX8111_REG_ALARM_MIN …
#define RX8111_REG_ALARM_HOUR …
#define RX8111_REG_ALARM_WEEK_DAY …

#define RX8111_REG_TIMER_COUNTER0 …
#define RX8111_REG_TIMER_COUNTER1 …
#define RX8111_REG_TIMER_COUNTER2 …

#define RX8111_REG_EXT …
#define RX8111_REG_FLAG …
#define RX8111_REG_CTRL …

#define RX8111_REG_TS_1_1000_SEC …
#define RX8111_REG_TS_1_100_SEC …
#define RX8111_REG_TS_SEC …
#define RX8111_REG_TS_MIN …
#define RX8111_REG_TS_HOUR …
#define RX8111_REG_TS_WEEK …
#define RX8111_REG_TS_DAY …
#define RX8111_REG_TS_MONTH …
#define RX8111_REG_TS_YEAR …
#define RX8111_REG_TS_STATUS …

#define RX8111_REG_EVIN_SETTING …
#define RX8111_REG_ALARM_SEC …
#define RX8111_REG_TIMER_CTRL …
#define RX8111_REG_TS_CTRL0 …
#define RX8111_REG_CMD_TRIGGER …
#define RX8111_REG_PWR_SWITCH_CTRL …
#define RX8111_REG_STATUS_MON …
#define RX8111_REG_TS_CTRL1 …
#define RX8111_REG_TS_CTRL2 …
#define RX8111_REG_TS_CTRL3 …

#define RX8111_FLAG_XST_BIT …
#define RX8111_FLAG_VLF_BIT …

#define RX8111_TIME_BUF_SZ …

enum rx8111_regfield { … };

static const struct reg_field rx8111_regfields[] = …;

static const struct regmap_config rx8111_regmap_config = …;

struct rx8111_data { … };

static int rx8111_read_vl_flag(struct rx8111_data *data, unsigned int *vlval)
{ … }

static int rx8111_read_time(struct device *dev, struct rtc_time *tm)
{ … }

static int rx8111_set_time(struct device *dev, struct rtc_time *tm)
{ … }

static int rx8111_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
{ … }

static const struct rtc_class_ops rx8111_rtc_ops = …;

static int rx8111_probe(struct i2c_client *client)
{ … }

static const struct of_device_id rx8111_of_match[] = …;
MODULE_DEVICE_TABLE(of, rx8111_of_match);

static struct i2c_driver rx8111_driver = …;
module_i2c_driver(…) …;

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