DC_RTC_REFERENCE
reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);
reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);
reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);
writel_relaxed(val, rtc->regs + DC_RTC_REFERENCE);