129 static int imx7ulp_wdt_enable(struct watchdog_device *wdog, bool enable)  in imx7ulp_wdt_enable()  argument
131 	struct imx7ulp_wdt_device *wdt = watchdog_get_drvdata(wdog);  in imx7ulp_wdt_enable()
147 static int imx7ulp_wdt_ping(struct watchdog_device *wdog)  in imx7ulp_wdt_ping()  argument
149 	struct imx7ulp_wdt_device *wdt = watchdog_get_drvdata(wdog);  in imx7ulp_wdt_ping()
156 static int imx7ulp_wdt_start(struct watchdog_device *wdog)  in imx7ulp_wdt_start()  argument
158 	return imx7ulp_wdt_enable(wdog, true);  in imx7ulp_wdt_start()
161 static int imx7ulp_wdt_stop(struct watchdog_device *wdog)  in imx7ulp_wdt_stop()  argument
163 	return imx7ulp_wdt_enable(wdog, false);  in imx7ulp_wdt_stop()
186 static int imx7ulp_wdt_set_timeout(struct watchdog_device *wdog,  in imx7ulp_wdt_set_timeout()  argument
189 	struct imx7ulp_wdt_device *wdt = watchdog_get_drvdata(wdog);  in imx7ulp_wdt_set_timeout()
203 	wdog->timeout = timeout;  in imx7ulp_wdt_set_timeout()
207 static int imx7ulp_wdt_restart(struct watchdog_device *wdog,  in imx7ulp_wdt_restart()  argument
210 	struct imx7ulp_wdt_device *wdt = watchdog_get_drvdata(wdog);  in imx7ulp_wdt_restart()
213 	ret = imx7ulp_wdt_enable(wdog, true);  in imx7ulp_wdt_restart()
221 	/* wait for wdog to fire */  in imx7ulp_wdt_restart()
255 		/* unlock the wdog for reconfiguration */  in _imx7ulp_wdt_init()
315 	struct watchdog_device *wdog;  in imx7ulp_wdt_probe()  local
334 	/* The WDOG may need to do external reset through dedicated pin */  in imx7ulp_wdt_probe()
337 	wdog = &imx7ulp_wdt->wdd;  in imx7ulp_wdt_probe()
338 	wdog->info = &imx7ulp_wdt_info;  in imx7ulp_wdt_probe()
339 	wdog->ops = &imx7ulp_wdt_ops;  in imx7ulp_wdt_probe()
340 	wdog->min_timeout = 1;  in imx7ulp_wdt_probe()
341 	wdog->max_timeout = MAX_TIMEOUT;  in imx7ulp_wdt_probe()
342 	wdog->parent = dev;  in imx7ulp_wdt_probe()
343 	wdog->timeout = DEFAULT_TIMEOUT;  in imx7ulp_wdt_probe()
345 	watchdog_init_timeout(wdog, 0, dev);  in imx7ulp_wdt_probe()
346 	watchdog_stop_on_reboot(wdog);  in imx7ulp_wdt_probe()
347 	watchdog_stop_on_unregister(wdog);  in imx7ulp_wdt_probe()
348 	watchdog_set_drvdata(wdog, imx7ulp_wdt);  in imx7ulp_wdt_probe()
351 	ret = imx7ulp_wdt_init(imx7ulp_wdt, wdog->timeout * imx7ulp_wdt->hw->wdog_clock_rate);  in imx7ulp_wdt_probe()
355 	return devm_watchdog_register_device(dev, wdog);  in imx7ulp_wdt_probe()