[PATCH v4 3/6] dt-bindings: MIPS: Document Ingenic SoCs binding.

["周琰杰 (Zhou Yanjie)" <zhouyanjie@wanyeetech.com>]

Document the available properties for the SoC root node and the
CPU nodes of the devicetree for the Ingenic XBurst SoCs.

Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: Paul Boddie <paul@boddie.org.uk>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
---

Notes:
    v1->v2:
    Change the two Document from txt to yaml.
    
    v2->v3:
    Fix formatting errors.
    
    v3->v4:
    Fix bugs in the two yaml files.

 .../bindings/mips/ingenic/ingenic,cpu.yaml         | 53 ++++++++++++++++++++++
 .../bindings/mips/ingenic/ingenic,soc.yaml         | 35 ++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100755 Documentation/devicetree/bindings/mips/ingenic/ingenic,cpu.yaml
 create mode 100755 Documentation/devicetree/bindings/mips/ingenic/ingenic,soc.yaml

diff --git a/Documentation/devicetree/bindings/mips/ingenic/ingenic,cpu.yaml b/Documentation/devicetree/bindings/mips/ingenic/ingenic,cpu.yaml
new file mode 100644
index 00000000..cb600ae
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/ingenic/ingenic,cpu.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mips/ingenic/ingenic,cpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Ingenic XBurst family CPUs
+
+maintainers:
+  - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
+description: |
+  Ingenic XBurst family CPUs shall have the following properties.
+
+properties:
+  compatible:
+    oneOf:
+      - const: ingenic,xburst
+      - const: ingenic,xburst2
+
+  reg:
+    description: |
+      The number of the CPU.
+
+required:
+  - device_type
+  - compatible
+  - reg
+
+examples:
+  - |
+    cpus {
+    	#address-cells = <1>;
+    	#size-cells = <0>;
+
+    	cpu0: cpu@0 {
+    		device_type = "cpu";
+    		compatible = "ingenic,xburst";
+    		reg = <0>;
+
+    		clocks = <&cgu JZ4780_CLK_CPU>;
+    		clock-names = "cpu";
+    	};
+
+    	cpu1: cpu@1 {
+    		device_type = "cpu";
+    		compatible = "ingenic,xburst";
+    		reg = <1>;
+
+    		clocks = <&cgu JZ4780_CLK_CORE1>;
+    		clock-names = "cpu";
+    	};
+    };
+...
diff --git a/Documentation/devicetree/bindings/mips/ingenic/ingenic,soc.yaml b/Documentation/devicetree/bindings/mips/ingenic/ingenic,soc.yaml
new file mode 100644
index 00000000..11e5cde
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/ingenic/ingenic,soc.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mips/ingenic/ingenic,soc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Ingenic SoCs with XBurst CPU inside.
+
+maintainers:
+  - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
+description: |
+  Ingenic SoCs with XBurst CPU inside shall have the following properties.
+
+properties:
+  compatible:
+    oneOf:
+      - const: ingenic,jz4740
+      - const: ingenic,jz4725b
+      - const: ingenic,jz4760
+      - const: ingenic,jz4760b
+      - const: ingenic,jz4770
+      - const: ingenic,jz4780
+      - const: ingenic,x1000
+      - const: ingenic,x1000e
+      - const: ingenic,x1500
+
+required:
+  - compatible
+
+examples:
+  - |
+    #address-cells = <1>;
+    #size-cells = <1>;
+    compatible = "ingenic,jz4780";
+...
-- 
2.7.4