* sun4i/sun7i Real Time Clock RTC controller for the Allwinner A10/A20 Required properties: - compatible : Should be "allwinner,sun4i-a10-rtc" or "allwinner,sun7i-a20-rtc" - reg: physical base address of the controller and length of memory mapped region. - interrupts: IRQ line for the RTC. Example: rtc: rtc@01c20d00 { compatible = "allwinner,sun4i-a10-rtc"; reg = <0x01c20d00 0x20>; interrupts = <24>; };