Add documentation to describe Starfive true random number generator
module.
Co-developed-by: Jenny Zhang <[email protected]>
Signed-off-by: Jenny Zhang <[email protected]>
Signed-off-by: Jia Jie Ho <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
---
.../bindings/rng/starfive,jh7110-trng.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml
diff --git a/Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml b/Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml
new file mode 100644
index 000000000000..2b76ce25acc4
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/starfive,jh7110-trng.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/starfive,jh7110-trng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive SoC TRNG Module
+
+maintainers:
+ - Jia Jie Ho <[email protected]>
+
+properties:
+ compatible:
+ const: starfive,jh7110-trng
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Hardware reference clock
+ - description: AHB reference clock
+
+ clock-names:
+ items:
+ - const: hclk
+ - const: ahb
+
+ resets:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - resets
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ rng: rng@1600C000 {
+ compatible = "starfive,jh7110-trng";
+ reg = <0x1600C000 0x4000>;
+ clocks = <&clk 15>, <&clk 16>;
+ clock-names = "hclk", "ahb";
+ resets = <&reset 3>;
+ interrupts = <30>;
+ };
+...
--
2.25.1