linux-kernel - [PATCH v6 1/2] dt-bindings: soc: starfive: Add StarFive syscon doc

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Date:   Wed, 15 Mar 2023 11:48:52 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        "Emil Renner Berthing" <kernel@...il.dk>,
        William Qiu <william.qiu@...rfivetech.com>
Subject: [PATCH v6 1/2] dt-bindings: soc: starfive: Add StarFive syscon doc

Add documentation to describe StarFive System Controller Registers.

Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
---
 .../soc/starfive/starfive,jh7110-syscon.yaml  | 51 +++++++++++++++++++
 MAINTAINERS                                   |  5 ++
 2 files changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml

diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
new file mode 100644
index 000000000000..fa4d8522a454
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/starfive/jh7110-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 SoC system controller
+
+maintainers:
+  - William Qiu <william.qiu@...rfivetech.com>
+
+description: |
+  The StarFive JH7110 SoC system controller provides register information such
+  as offset, mask and shift to configure related modules such as MMC and PCIe.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - starfive,jh7110-stg-syscon
+          - starfive,jh7110-sys-syscon
+          - starfive,jh7110-aon-syscon
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@...40000 {
+        compatible = "starfive,jh7110-stg-syscon", "syscon";
+        reg = <0x10240000 0x1000>;
+    };
+
+    syscon@...30000 {
+        compatible = "starfive,jh7110-sys-syscon", "syscon";
+        reg = <0x13030000 0x1000>;
+    };
+
+    syscon@...10000 {
+        compatible = "starfive,jh7110-aon-syscon", "syscon";
+        reg = <0x17010000 0x1000>;
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 958b7ec118b4..27e6c48a1a83 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19964,6 +19964,11 @@ S:	Supported
 F:	Documentation/devicetree/bindings/rng/starfive*
 F:	drivers/char/hw_random/jh7110-trng.c
 
+STARFIVE JH7110 SYSCON
+M:	William Qiu <william.qiu@...rfivetech.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/soc/starfive/jh7110-syscon.yaml
+
 STATIC BRANCH/CALL
 M:	Peter Zijlstra <peterz@...radead.org>
 M:	Josh Poimboeuf <jpoimboe@...nel.org>
-- 
2.34.1