38 	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);  in moxart_wdt_restart()  local
40 	writel(1, moxart_wdt->base + REG_COUNT);  in moxart_wdt_restart()
41 	writel(0x5ab9, moxart_wdt->base + REG_MODE);  in moxart_wdt_restart()
42 	writel(0x03, moxart_wdt->base + REG_ENABLE);  in moxart_wdt_restart()
49 	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);  in moxart_wdt_stop()  local
51 	writel(0, moxart_wdt->base + REG_ENABLE);  in moxart_wdt_stop()
58 	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);  in moxart_wdt_start()  local
60 	writel(moxart_wdt->clock_frequency * wdt_dev->timeout,  in moxart_wdt_start()
61 	       moxart_wdt->base + REG_COUNT);  in moxart_wdt_start()
62 	writel(0x5ab9, moxart_wdt->base + REG_MODE);  in moxart_wdt_start()
63 	writel(0x03, moxart_wdt->base + REG_ENABLE);  in moxart_wdt_start()
92 	struct moxart_wdt_dev *moxart_wdt;  in moxart_wdt_probe()  local
99 	moxart_wdt = devm_kzalloc(dev, sizeof(*moxart_wdt), GFP_KERNEL);  in moxart_wdt_probe()
100 	if (!moxart_wdt)  in moxart_wdt_probe()
103 	platform_set_drvdata(pdev, moxart_wdt);  in moxart_wdt_probe()
105 	moxart_wdt->base = devm_platform_ioremap_resource(pdev, 0);  in moxart_wdt_probe()
106 	if (IS_ERR(moxart_wdt->base))  in moxart_wdt_probe()
107 		return PTR_ERR(moxart_wdt->base);  in moxart_wdt_probe()
115 	moxart_wdt->clock_frequency = clk_get_rate(clk);  in moxart_wdt_probe()
116 	if (moxart_wdt->clock_frequency == 0) {  in moxart_wdt_probe()
121 	max_timeout = UINT_MAX / moxart_wdt->clock_frequency;  in moxart_wdt_probe()
123 	moxart_wdt->dev.info = &moxart_wdt_info;  in moxart_wdt_probe()
124 	moxart_wdt->dev.ops = &moxart_wdt_ops;  in moxart_wdt_probe()
125 	moxart_wdt->dev.timeout = max_timeout;  in moxart_wdt_probe()
126 	moxart_wdt->dev.min_timeout = 1;  in moxart_wdt_probe()
127 	moxart_wdt->dev.max_timeout = max_timeout;  in moxart_wdt_probe()
128 	moxart_wdt->dev.parent = dev;  in moxart_wdt_probe()
130 	watchdog_init_timeout(&moxart_wdt->dev, heartbeat, dev);  in moxart_wdt_probe()
131 	watchdog_set_nowayout(&moxart_wdt->dev, nowayout);  in moxart_wdt_probe()
132 	watchdog_set_restart_priority(&moxart_wdt->dev, 128);  in moxart_wdt_probe()
134 	watchdog_set_drvdata(&moxart_wdt->dev, moxart_wdt);  in moxart_wdt_probe()
136 	watchdog_stop_on_unregister(&moxart_wdt->dev);  in moxart_wdt_probe()
137 	err = devm_watchdog_register_device(dev, &moxart_wdt->dev);  in moxart_wdt_probe()
142 		moxart_wdt->dev.timeout, nowayout);  in moxart_wdt_probe()