linux/drivers/rtc/rtc-rzn1.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Renesas RZ/N1 Real Time Clock interface for Linux
 *
 * Copyright:
 * - 2014 Renesas Electronics Europe Limited
 * - 2022 Schneider Electric
 *
 * Authors:
 * - Michel Pollet <[email protected]>, <[email protected]>
 * - Miquel Raynal <[email protected]>
 */

#include <linux/bcd.h>
#include <linux/init.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/rtc.h>

#define RZN1_RTC_CTL0 …
#define RZN1_RTC_CTL0_SLSB_SUBU …
#define RZN1_RTC_CTL0_SLSB_SCMP …
#define RZN1_RTC_CTL0_AMPM …
#define RZN1_RTC_CTL0_CE …

#define RZN1_RTC_CTL1 …
#define RZN1_RTC_CTL1_ALME …

#define RZN1_RTC_CTL2 …
#define RZN1_RTC_CTL2_WAIT …
#define RZN1_RTC_CTL2_WST …
#define RZN1_RTC_CTL2_WUST …
#define RZN1_RTC_CTL2_STOPPED …

#define RZN1_RTC_SEC …
#define RZN1_RTC_MIN …
#define RZN1_RTC_HOUR …
#define RZN1_RTC_WEEK …
#define RZN1_RTC_DAY …
#define RZN1_RTC_MONTH …
#define RZN1_RTC_YEAR …

#define RZN1_RTC_SUBU …
#define RZN1_RTC_SUBU_DEV …
#define RZN1_RTC_SUBU_DECR …

#define RZN1_RTC_ALM …
#define RZN1_RTC_ALH …
#define RZN1_RTC_ALW …

#define RZN1_RTC_SECC …
#define RZN1_RTC_MINC …
#define RZN1_RTC_HOURC …
#define RZN1_RTC_WEEKC …
#define RZN1_RTC_DAYC …
#define RZN1_RTC_MONTHC …
#define RZN1_RTC_YEARC …

struct rzn1_rtc { … };

static void rzn1_rtc_get_time_snapshot(struct rzn1_rtc *rtc, struct rtc_time *tm)
{ … }

static unsigned int rzn1_rtc_tm_to_wday(struct rtc_time *tm)
{ … }

static int rzn1_rtc_read_time(struct device *dev, struct rtc_time *tm)
{ … }

static int rzn1_rtc_set_time(struct device *dev, struct rtc_time *tm)
{ … }

static irqreturn_t rzn1_rtc_alarm_irq(int irq, void *dev_id)
{ … }

static int rzn1_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
{ … }

static int rzn1_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int rzn1_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{ … }

static int rzn1_rtc_read_offset(struct device *dev, long *offset)
{ … }

static int rzn1_rtc_set_offset(struct device *dev, long offset)
{ … }

static const struct rtc_class_ops rzn1_rtc_ops = …;

static int rzn1_rtc_probe(struct platform_device *pdev)
{ … }

static void rzn1_rtc_remove(struct platform_device *pdev)
{ … }

static const struct of_device_id rzn1_rtc_of_match[] = …;
MODULE_DEVICE_TABLE(of, rzn1_rtc_of_match);

static struct platform_driver rzn1_rtc_driver = …;
module_platform_driver(…) …;

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