RZN1_RTC_CTL0
val = readl(rtc->base + RZN1_RTC_CTL0) & ~RZN1_RTC_CTL0_CE;
writel(val, rtc->base + RZN1_RTC_CTL0);
ret = readl_poll_timeout(rtc->base + RZN1_RTC_CTL0, val,
writel(RZN1_RTC_CTL0_AMPM | scmp_val, rtc->base + RZN1_RTC_CTL0);
writel(RZN1_RTC_CTL0_CE | RZN1_RTC_CTL0_AMPM | scmp_val, rtc->base + RZN1_RTC_CTL0);