linux/drivers/rtc/rtc-wm8350.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	Real Time Clock driver for Wolfson Microelectronics WM8350
 *
 *	Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
 *
 *  Author: Liam Girdwood
 *          [email protected]
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/interrupt.h>
#include <linux/ioctl.h>
#include <linux/completion.h>
#include <linux/mfd/wm8350/rtc.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/delay.h>
#include <linux/platform_device.h>

#define WM8350_SET_ALM_RETRIES …
#define WM8350_SET_TIME_RETRIES …
#define WM8350_GET_TIME_RETRIES …

/*
 * Read current time and date in RTC
 */
static int wm8350_rtc_readtime(struct device *dev, struct rtc_time *tm)
{ … }

/*
 * Set current time and date in RTC
 */
static int wm8350_rtc_settime(struct device *dev, struct rtc_time *tm)
{ … }

/*
 * Read alarm time and date in RTC
 */
static int wm8350_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int wm8350_rtc_stop_alarm(struct wm8350 *wm8350)
{ … }

static int wm8350_rtc_start_alarm(struct wm8350 *wm8350)
{ … }

static int wm8350_rtc_alarm_irq_enable(struct device *dev,
				       unsigned int enabled)
{ … }

static int wm8350_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static irqreturn_t wm8350_rtc_alarm_handler(int irq, void *data)
{ … }

static irqreturn_t wm8350_rtc_update_handler(int irq, void *data)
{ … }

static const struct rtc_class_ops wm8350_rtc_ops = …;

#ifdef CONFIG_PM_SLEEP
static int wm8350_rtc_suspend(struct device *dev)
{ … }

static int wm8350_rtc_resume(struct device *dev)
{ … }
#endif

static int wm8350_rtc_probe(struct platform_device *pdev)
{ … }

static void wm8350_rtc_remove(struct platform_device *pdev)
{ … }

static SIMPLE_DEV_PM_OPS(wm8350_rtc_pm_ops, wm8350_rtc_suspend,
			wm8350_rtc_resume);

static struct platform_driver wm8350_rtc_driver = …;

module_platform_driver(…) …;

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