[PATCH 1/3] dt-bindings: hwrng: Add Samsung Exynos 5250+ True RNG bindings

["Łukasz Stelmach" <l.stelmach-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>]

Add binding documentation for the True Random Number Generator
found on Samsung Exynos 5250+ SoCs.

Signed-off-by: Łukasz Stelmach <l.stelmach-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 .../devicetree/bindings/rng/samsung,exynos5250-trng.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt

diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt
new file mode 100644
index 000000000000..22dfe8cb21c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt
@@ -0,0 +1,17 @@
+Exynos True Random Number Generator
+
+Required properties:
+
+- compatible  : Should be "samsung,exynos5250-trng".
+- 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:
+
+	trng@10830600 {
+		compatible = "samsung,exynos5250-trng";
+		reg = <0x10830600 0x100>;
+		clocks = <&clock CLK_SSS>;
+		clock-names = "secss";
+	};
-- 
2.11.0

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