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Message-ID: <20230117015445.32500-2-jiajie.ho@starfivetech.com>
Date: Tue, 17 Jan 2023 09:54:43 +0800
From: Jia Jie Ho <jiajie.ho@...rfivetech.com>
To: Olivia Mackall <olivia@...enic.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Rob Herring <robh+dt@...nel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
Emil Renner Berthing <kernel@...il.dk>,
Conor Dooley <conor.dooley@...rochip.com>
CC: <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: [PATCH v5 1/3] dt-bindings: rng: Add StarFive TRNG module
Add documentation to describe Starfive true random number generator
module.
Co-developed-by: Jenny Zhang <jenny.zhang@...rfivetech.com>
Signed-off-by: Jenny Zhang <jenny.zhang@...rfivetech.com>
Signed-off-by: Jia Jie Ho <jiajie.ho@...rfivetech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
.../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 <jiajie.ho@...rfivetech.com>
+
+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@...0C000 {
+ compatible = "starfive,jh7110-trng";
+ reg = <0x1600C000 0x4000>;
+ clocks = <&clk 15>, <&clk 16>;
+ clock-names = "hclk", "ahb";
+ resets = <&reset 3>;
+ interrupts = <30>;
+ };
+...
--
2.25.1
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