dt-bindings: net: Convert APM XGene MDIO to DT schema

Convert the APM XGene MDIO bus binding to DT schema format. It's a
straight-forward conversion.

Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Rob Herring (Arm) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: robherring

Documentation/devicetree/bindings/net/apm,xgene-mdio-rgmii.yaml

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/apm,xgene-mdio-rgmii.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: APM X-Gene SoC MDIO
+
+maintainers:
+  - Iyappan Subramanian <[email protected]>
+  - Keyur Chudgar <[email protected]>
+  - Quan Nguyen <[email protected]>
+
+allOf:
+  - $ref: mdio.yaml#
+
+properties:
+  compatible:
+    enum:
+      - apm,xgene-mdio-rgmii
+      - apm,xgene-mdio-xfi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+examples:
+  - |
+    mdio@17020000 {
+        compatible = "apm,xgene-mdio-rgmii";
+        #address-cells = <1>;
+        #size-cells = <0>;
+        reg = <0x17020000 0xd100>;
+        clocks = <&menetclk 0>;
+
+        phy@3 {
+            reg = <0x3>;
+        };
+        phy@4 {
+            reg = <0x4>;
+        };
+        phy@5 {
+            reg = <0x5>;
+        };
+    };

Documentation/devicetree/bindings/net/apm-xgene-mdio.txt

@@ -1887,7 +1887,7 @@ M:	Keyur Chudgar <[email protected]>
 M:	Quan Nguyen <[email protected]>
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/apm,xgene-enet.yaml
-F:	Documentation/devicetree/bindings/net/apm-xgene-mdio.txt
+F:	Documentation/devicetree/bindings/net/apm,xgene-mdio-rgmii.yaml
 F:	drivers/net/ethernet/apm/xgene/
 F:	drivers/net/mdio/mdio-xgene.c