linux/drivers/rtc/rtc-ds1302.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Dallas DS1302 RTC Support
 *
 *  Copyright (C) 2002 David McCullough
 *  Copyright (C) 2003 - 2007 Paul Mundt
 */

#include <linux/bcd.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/rtc.h>
#include <linux/spi/spi.h>

#define RTC_CMD_READ …
#define RTC_CMD_WRITE …

#define RTC_CMD_WRITE_ENABLE …
#define RTC_CMD_WRITE_DISABLE …

#define RTC_ADDR_RAM0 …
#define RTC_ADDR_TCR …
#define RTC_CLCK_BURST …
#define RTC_CLCK_LEN …
#define RTC_ADDR_CTRL …
#define RTC_ADDR_YEAR …
#define RTC_ADDR_DAY …
#define RTC_ADDR_MON …
#define RTC_ADDR_DATE …
#define RTC_ADDR_HOUR …
#define RTC_ADDR_MIN …
#define RTC_ADDR_SEC …

static int ds1302_rtc_set_time(struct device *dev, struct rtc_time *time)
{ … }

static int ds1302_rtc_get_time(struct device *dev, struct rtc_time *time)
{ … }

static const struct rtc_class_ops ds1302_rtc_ops = …;

static int ds1302_probe(struct spi_device *spi)
{ … }

#ifdef CONFIG_OF
static const struct of_device_id ds1302_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, ds1302_dt_ids);
#endif

static const struct spi_device_id ds1302_spi_ids[] = …;
MODULE_DEVICE_TABLE(spi, ds1302_spi_ids);

static struct spi_driver ds1302_driver = …;

module_spi_driver(…) …;

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