linux/Documentation/devicetree/bindings/rtc/sa1100-rtc.txt
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   1* Marvell Real Time Clock controller
   2
   3Required properties:
   4- compatible: should be "mrvl,sa1100-rtc"
   5- reg: physical base address of the controller and length of memory mapped
   6  region.
   7- interrupts: Should be two. The first interrupt number is the rtc alarm
   8  interrupt and the second interrupt number is the rtc hz interrupt.
   9- interrupt-names: Assign name of irq resource.
  10
  11Example:
  12        rtc: rtc@d4010000 {
  13                compatible = "mrvl,mmp-rtc";
  14                reg = <0xd4010000 0x1000>;
  15                interrupts = <5>, <6>;
  16                interrupt-name = "rtc 1Hz", "rtc alarm";
  17        };
  18