WDOG_CNT
writel(UNLOCK, wdt->base + WDOG_CNT);
writel(REFRESH, wdt->base + WDOG_CNT);
writel(UNLOCK, wdt->base + WDOG_CNT);
writel(UNLOCK, wdt->base + WDOG_CNT);
writel_relaxed(UNLOCK_SEQ0, wdt->base + WDOG_CNT);
writel_relaxed(UNLOCK_SEQ1, wdt->base + WDOG_CNT);