Add devicetree bindings for hardware pseudo random number generator
present in Ingenic JZ4780 SoC.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@xxxxxxxxx>
---
Changes in v3:
* Create a cgublock node with "simple-bus" compatible
* Make CGU and RNG node as children of cgublock node.
Changes in v2:
* Add "syscon" in CGU node's compatible section
* Make RNG child node of CGU.
.../devicetree/bindings/rng/ingenic,jz4780-rng.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rng/ingenic,jz4780-rng.txt
diff --git a/Documentation/devicetree/bindings/rng/ingenic,jz4780-rng.txt b/Documentation/devicetree/bindings/rng/ingenic,jz4780-rng.txt
new file mode 100644
index 0000000..765df9c
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/ingenic,jz4780-rng.txt
@@ -0,0 +1,21 @@
+Ingenic jz4780 RNG driver
+
+Required properties:
+- compatible : Should be "ingenic,jz4780-rng"
+
+Example:
+
+cgublock {
+ compatible = "simple-bus";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ reg = <0x10000000 0x100>;
+ ranges;
+
+ rng: rng@d8 {
+ compatible = "ingenic,jz4780-rng";
+ reg = <0x100000d8 0x8>;
+ };
+};
--
2.10.0
