linux/drivers/rtc/rtc-em3027.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * An rtc/i2c driver for the EM Microelectronic EM3027
 * Copyright 2011 CompuLab, Ltd.
 *
 * Author: Mike Rapoport <[email protected]>
 *
 * Based on rtc-ds1672.c by Alessandro Zummo <[email protected]>
 */

#include <linux/i2c.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/module.h>
#include <linux/of.h>

/* Registers */
#define EM3027_REG_ON_OFF_CTRL …
#define EM3027_REG_IRQ_CTRL …
#define EM3027_REG_IRQ_FLAGS …
#define EM3027_REG_STATUS …
#define EM3027_REG_RST_CTRL …

#define EM3027_REG_WATCH_SEC …
#define EM3027_REG_WATCH_MIN …
#define EM3027_REG_WATCH_HOUR …
#define EM3027_REG_WATCH_DATE …
#define EM3027_REG_WATCH_DAY …
#define EM3027_REG_WATCH_MON …
#define EM3027_REG_WATCH_YEAR …

#define EM3027_REG_ALARM_SEC …
#define EM3027_REG_ALARM_MIN …
#define EM3027_REG_ALARM_HOUR …
#define EM3027_REG_ALARM_DATE …
#define EM3027_REG_ALARM_DAY …
#define EM3027_REG_ALARM_MON …
#define EM3027_REG_ALARM_YEAR …

static struct i2c_driver em3027_driver;

static int em3027_get_time(struct device *dev, struct rtc_time *tm)
{ … }

static int em3027_set_time(struct device *dev, struct rtc_time *tm)
{ … }

static const struct rtc_class_ops em3027_rtc_ops = …;

static int em3027_probe(struct i2c_client *client)
{ … }

static const struct i2c_device_id em3027_id[] = …;
MODULE_DEVICE_TABLE(i2c, em3027_id);

#ifdef CONFIG_OF
static const struct of_device_id em3027_of_match[] = …;
MODULE_DEVICE_TABLE(of, em3027_of_match);
#endif

static struct i2c_driver em3027_driver = …;

module_i2c_driver(…) …;

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