* NXP LPC32xx SoC Real Time Clock controller Required properties: - compatible: must be "nxp,lpc3220-rtc" - reg: physical base address of the controller and length of memory mapped region. - interrupts: The RTC interrupt Example: rtc@40024000 { compatible = "nxp,lpc3220-rtc"; reg = <0x40024000 0x1000>; interrupts = <52 0>; };