Add X-Gene SoC RNG driver documentation.
Signed-off-by: Feng Kan <fkan@xxxxxxx>
---
Documentation/devicetree/bindings/rng/apm,rng.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rng/apm,rng.txt
diff --git a/Documentation/devicetree/bindings/rng/apm,rng.txt b/Documentation/devicetree/bindings/rng/apm,rng.txt
new file mode 100644
index 0000000..4dde4b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/apm,rng.txt
@@ -0,0 +1,17 @@
+APM X-Gene SoC random number generator.
+
+Required properties:
+
+- compatible : should be "apm,xgene-rng"
+- reg : specifies base physical address and size of the registers map
+- clocks : phandle to clock-controller plus clock-specifier pair
+- interrupts : specify the fault interrupt for the RNG device
+
+Example:
+
+ rng: rng@10520000 {
+ compatible = "apm,xgene-rng";
+ reg = <0x0 0x10520000 0x0 0x100>;
+ interrupts = <0x0 0x41 0x4>;
+ clocks = <&rngpkaclk 0>;
+ };
--
1.9.1
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