linux/drivers/watchdog/visconti_wdt.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2020 TOSHIBA CORPORATION
 * Copyright (c) 2020 Toshiba Electronic Devices & Storage Corporation
 * Copyright (c) 2020 Nobuhiro Iwamatsu <[email protected]>
 */

#include <linux/clk.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>

#define WDT_CNT …
#define WDT_MIN …
#define WDT_MAX …
#define WDT_CTL …
#define WDT_CMD …
#define WDT_CMD_CLEAR …
#define WDT_CMD_START_STOP …
#define WDT_DIV …

#define VISCONTI_WDT_FREQ …
#define WDT_DEFAULT_TIMEOUT …

static bool nowayout = … WATCHDOG_NOWAYOUT;
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(…) …;

struct visconti_wdt_priv { … };

static int visconti_wdt_start(struct watchdog_device *wdev)
{ … }

static int visconti_wdt_stop(struct watchdog_device *wdev)
{ … }

static int visconti_wdt_ping(struct watchdog_device *wdd)
{ … }

static unsigned int visconti_wdt_get_timeleft(struct watchdog_device *wdev)
{ … }

static int visconti_wdt_set_timeout(struct watchdog_device *wdev, unsigned int timeout)
{ … }

static const struct watchdog_info visconti_wdt_info = …;

static const struct watchdog_ops visconti_wdt_ops = …;

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

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

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

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