56 	struct airoha_wdt_desc *airoha_wdt = watchdog_get_drvdata(wdog_dev);  in airoha_wdt_start()  local
59 	val = readl(airoha_wdt->base + TIMER_CTRL);  in airoha_wdt_start()
61 	writel(val, airoha_wdt->base + TIMER_CTRL);  in airoha_wdt_start()
62 	val = wdog_dev->timeout * airoha_wdt->wdt_freq;  in airoha_wdt_start()
63 	writel(val, airoha_wdt->base + WDT_TIMER_LOAD_VALUE);  in airoha_wdt_start()
70 	struct airoha_wdt_desc *airoha_wdt = watchdog_get_drvdata(wdog_dev);  in airoha_wdt_stop()  local
73 	val = readl(airoha_wdt->base + TIMER_CTRL);  in airoha_wdt_stop()
75 	writel(val, airoha_wdt->base + TIMER_CTRL);  in airoha_wdt_stop()
82 	struct airoha_wdt_desc *airoha_wdt = watchdog_get_drvdata(wdog_dev);  in airoha_wdt_ping()  local
85 	val = readl(airoha_wdt->base + WDT_RELOAD);  in airoha_wdt_ping()
87 	writel(val, airoha_wdt->base + WDT_RELOAD);  in airoha_wdt_ping()
106 	struct airoha_wdt_desc *airoha_wdt = watchdog_get_drvdata(wdog_dev);  in airoha_wdt_get_timeleft()  local
109 	val = readl(airoha_wdt->base + WDT_TIMER_CUR_VALUE);  in airoha_wdt_get_timeleft()
110 	return DIV_ROUND_UP(val, airoha_wdt->wdt_freq);  in airoha_wdt_get_timeleft()
129 	struct airoha_wdt_desc *airoha_wdt;  in airoha_wdt_probe()  local
135 	airoha_wdt = devm_kzalloc(dev, sizeof(*airoha_wdt), GFP_KERNEL);  in airoha_wdt_probe()
136 	if (!airoha_wdt)  in airoha_wdt_probe()
139 	airoha_wdt->base = devm_platform_ioremap_resource(pdev, 0);  in airoha_wdt_probe()
140 	if (IS_ERR(airoha_wdt->base))  in airoha_wdt_probe()
141 		return PTR_ERR(airoha_wdt->base);  in airoha_wdt_probe()
149 	airoha_wdt->wdt_freq = clk_get_rate(bus_clk) / 2;  in airoha_wdt_probe()
152 	wdog_dev = &airoha_wdt->wdog_dev;  in airoha_wdt_probe()
157 	wdog_dev->max_timeout = FIELD_MAX(WDT_TIMER_VAL) / airoha_wdt->wdt_freq;  in airoha_wdt_probe()
160 	watchdog_set_drvdata(wdog_dev, airoha_wdt);  in airoha_wdt_probe()
168 	platform_set_drvdata(pdev, airoha_wdt);  in airoha_wdt_probe()
174 	struct airoha_wdt_desc *airoha_wdt = dev_get_drvdata(dev);  in airoha_wdt_suspend()  local
176 	if (watchdog_active(&airoha_wdt->wdog_dev))  in airoha_wdt_suspend()
177 		airoha_wdt_stop(&airoha_wdt->wdog_dev);  in airoha_wdt_suspend()
184 	struct airoha_wdt_desc *airoha_wdt = dev_get_drvdata(dev);  in airoha_wdt_resume()  local
186 	if (watchdog_active(&airoha_wdt->wdog_dev)) {  in airoha_wdt_resume()
187 		airoha_wdt_start(&airoha_wdt->wdog_dev);  in airoha_wdt_resume()
188 		airoha_wdt_ping(&airoha_wdt->wdog_dev);  in airoha_wdt_resume()