linux/drivers/rtc/rtc-r9701.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for Epson RTC-9701JE
 *
 * Copyright (C) 2008 Magnus Damm
 *
 * Based on rtc-max6902.c
 *
 * Copyright (C) 2006 8D Technologies inc.
 * Copyright (C) 2004 Compulab Ltd.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/rtc.h>
#include <linux/spi/spi.h>
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/bitops.h>

#define RSECCNT …
#define RMINCNT …
#define RHRCNT …
#define RWKCNT …
#define RDAYCNT …
#define RMONCNT …
#define RYRCNT …
#define R100CNT …
#define RMINAR …
#define RHRAR …
#define RWKAR …
#define RTIMCNT …
#define REXT …
#define RFLAG …
#define RCR …

static int write_reg(struct device *dev, int address, unsigned char data)
{ … }

static int read_regs(struct device *dev, unsigned char *regs, int no_regs)
{ … }

static int r9701_get_datetime(struct device *dev, struct rtc_time *dt)
{ … }

static int r9701_set_datetime(struct device *dev, struct rtc_time *dt)
{ … }

static const struct rtc_class_ops r9701_rtc_ops = …;

static int r9701_probe(struct spi_device *spi)
{ … }

static struct spi_driver r9701_driver = …;

module_spi_driver(…) …;

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