Add devicetree bindings for hardware pseudo random number generator
present in Ingenic JZ4780 SoC.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@xxxxxxxxx>
---
Changes in v2:
* Add "syscon" in CGU node's compatible section
* Make RNG child node of CGU.
.../bindings/crypto/ingenic,jz4780-rng.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/crypto/ingenic,jz4780-rng.txt
diff --git a/Documentation/devicetree/bindings/crypto/ingenic,jz4780-rng.txt b/Documentation/devicetree/bindings/crypto/ingenic,jz4780-rng.txt
new file mode 100644
index 0000000..a0c18e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/ingenic,jz4780-rng.txt
@@ -0,0 +1,20 @@
+Ingenic jz4780 RNG driver
+
+Required properties:
+- compatible : Should be "ingenic,jz4780-rng"
+
+Example:
+
+cgu: jz4780-cgu@10000000 {
+ compatible = "ingenic,jz4780-cgu", "syscon";
+ reg = <0x10000000 0x100>;
+
+ clocks = <&ext>, <&rtc>;
+ clock-names = "ext", "rtc";
+
+ #clock-cells = <1>;
+
+ rng: rng@d8 {
+ compatible = "ingenic,jz480-rng";
+ };
+};
--
2.10.0
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