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diff --git a/Documentation/devicetree/bindings/rng/hisi-rng.txt b/Documentation/devicetree/bindings/rng/hisi-rng.txt
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index 000000000000..d04d55a6c2f5
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+++ b/Documentation/devicetree/bindings/rng/hisi-rng.txt
@@ -0,0 +1,12 @@
+Hisilicon Random Number Generator
+
+Required properties:
+- compatible : Should be "hisilicon,hip04-rng" or "hisilicon,hip05-rng"
+- reg : Offset and length of the register set of this block
+
+Example:
+
+rng@d1010000 {
+	compatible = "hisilicon,hip05-rng";
+	reg = <0xd1010000 0x100>;
+};