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diff --git a/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt b/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
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+* i.MX25 Real Time Clock controller
+
+Required properties:
+- compatible: should be: "fsl,imx25-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- clocks: should contain the phandle for the rtc clock
+- interrupts: rtc alarm interrupt
+
+Optional properties:
+- interrupts: dryice security violation interrupt (second entry)
+
+Example:
+
+rtc@53ffc000 {
+	compatible = "fsl,imx25-rtc";
+	reg = <0x53ffc000 0x4000>;
+	clocks = <&clks 81>;
+	interrupts = <25 56>;
+};