[PATCH 1/4] dt-bindings: rng: Describe Exynos4 PRNG bindings

[Krzysztof Kozlowski]

Document the bindings used by exynos-rng Pseudo Random Number Generator
driver.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
 .../devicetree/bindings/rng/samsung,exynos-rng4.txt     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt

diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt b/Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt
new file mode 100644
index 000000000000..4ca8dd4d7e66
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt
@@ -0,0 +1,17 @@
+Exynos Pseudo Random Number Generator
+
+Required properties:
+
+- compatible  : Should be "samsung,exynos4-rng".
+- reg         : Specifies base physical address and size of the registers map.
+- clocks      : Phandle to clock-controller plus clock-specifier pair.
+- clock-names : "secss" as a clock name.
+
+Example:
+
+	rng@10830400 {
+		compatible = "samsung,exynos4-rng";
+		reg = <0x10830400 0x200>;
+		clocks = <&clock CLK_SSS>;
+		clock-names = "secss";
+	};
-- 
1.9.1

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