drivers/watchdog/imx7ulp_wdt.c

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