add DT Schema YAML for StarFive

Documentation/devicetree/bindings/riscv/starfive.yaml

@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/riscv/starfive.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive SoC-based boards
+
+maintainers:
+  - Michael Zhu <michael.zhu@starfivetech.com>
+  - Drew Fustini <drew@beagleboard.org>
+
+description:
+  SiFive SoC-based boards
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - items:
+          - const: beagle,beaglev-starlight-jh7100
+          - const: starfive,jh7100
+
+      - items:
+          - const: starfive,jh7100
+
+additionalProperties: true
+
+...

arch/riscv/boot/dts/starfive/jh7100.dtsi

@@ -84,7 +84,7 @@
 	};
 
 	soc {
-		compatible = "starfive,jh7100", "simple-bus";
+		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
 		#address-cells = <2>;
 		#size-cells = <2>;