Add binding documentation for the True Random Number Generator
found on Samsung Exynos 5250+ SoCs.
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
---
.../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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