linux/drivers/rtc/rtc-as3722.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * rtc-as3722.c - Real Time Clock driver for ams AS3722 PMICs
 *
 * Copyright (C) 2013 ams AG
 * Copyright (c) 2013, NVIDIA Corporation. All rights reserved.
 *
 * Author: Florian Lobmaier <[email protected]>
 * Author: Laxman Dewangan <[email protected]>
 */

#include <linux/bcd.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/ioctl.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mfd/as3722.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
#include <linux/time.h>

#define AS3722_RTC_START_YEAR …
struct as3722_rtc { … };

static void as3722_time_to_reg(u8 *rbuff, struct rtc_time *tm)
{ … }

static void as3722_reg_to_time(u8 *rbuff, struct rtc_time *tm)
{ … }

static int as3722_rtc_read_time(struct device *dev, struct rtc_time *tm)
{ … }

static int as3722_rtc_set_time(struct device *dev, struct rtc_time *tm)
{ … }

static int as3722_rtc_alarm_irq_enable(struct device *dev,
		unsigned int enabled)
{ … }

static int as3722_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int as3722_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static irqreturn_t as3722_alarm_irq(int irq, void *data)
{ … }

static const struct rtc_class_ops as3722_rtc_ops = …;

static int as3722_rtc_probe(struct platform_device *pdev)
{ … }

#ifdef CONFIG_PM_SLEEP
static int as3722_rtc_suspend(struct device *dev)
{ … }

static int as3722_rtc_resume(struct device *dev)
{ … }
#endif

static SIMPLE_DEV_PM_OPS(as3722_rtc_pm_ops, as3722_rtc_suspend,
			 as3722_rtc_resume);

static struct platform_driver as3722_rtc_driver = …;
module_platform_driver(…) …;

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