APPLE_WDT_WD1_CTRL
writel_relaxed(APPLE_WDT_CTRL_RESET_EN, wdt->regs + APPLE_WDT_WD1_CTRL);
wdt_ctrl = readl_relaxed(wdt->regs + APPLE_WDT_WD1_CTRL);
writel_relaxed(APPLE_WDT_CTRL_RESET_EN, wdt->regs + APPLE_WDT_WD1_CTRL);
writel_relaxed(0, wdt->regs + APPLE_WDT_WD1_CTRL);