[PATCH 1/2] ARM: DT: msm: Add Qualcomm's PRNG driver binding document

[Stanimir Varbanov]

This adds Qualcomm PRNG driver device tree binding documentation
to use as an example in dts trees.

Signed-off-by: Stanimir Varbanov <svarbanov@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/rng/qcom,prng.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/qcom,prng.txt

diff --git a/Documentation/devicetree/bindings/rng/qcom,prng.txt b/Documentation/devicetree/bindings/rng/qcom,prng.txt
new file mode 100644
index 000000000000..92be00085ab1
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/qcom,prng.txt
@@ -0,0 +1,17 @@
+Qualcomm MSM pseudo random number generator.
+
+Required properties:
+
+- compatible  : should be "qcom,prng"
+- reg         : specifies base physical address and size of the registers map
+- clocks      : phandle to clock-controller plus clock-specifier pair
+- clock-names : "prng" clocks all registers, FIFO and circuits in PRNG IP block
+
+Example:
+
+	rng {
+		compatible = "qcom,prng";
+		reg = <0xf9bff000 0x200>;
+		clocks = <&clock GCC_PRNG_AHB_CLK>;
+		clock-names = "prng";
+	};
-- 
1.8.3.1

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