dt-bindings: net: qca,ar9331: convert to DT schema

Convert the Qualcomm Atheros AR9331 built-in switch bindings to DT
schema.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
Reviewed-by: Oleksij Rempel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: krzk

Documentation/devicetree/bindings/net/dsa/ar9331.txt

@@ -0,0 +1,161 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/qca,ar9331.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Atheros AR9331 built-in switch
+
+maintainers:
+  - Oleksij Rempel <[email protected]>
+
+description:
+  Qualcomm Atheros AR9331 is a switch built-in to Atheros AR9331 WiSoC and
+  addressable over internal MDIO bus. All PHYs are built-in as well.
+
+properties:
+  compatible:
+    const: qca,ar9331-switch
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 1
+
+  mdio:
+    $ref: /schemas/net/mdio.yaml#
+    unevaluatedProperties: false
+    properties:
+      interrupt-parent: true
+
+    patternProperties:
+      '(ethernet-)?phy@[0-4]+$':
+        type: object
+        unevaluatedProperties: false
+
+        properties:
+          reg: true
+          interrupts:
+            maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    items:
+      - const: switch
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+  - mdio
+  - ports
+  - resets
+  - reset-names
+
+allOf:
+  - $ref: dsa.yaml#/$defs/ethernet-ports
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        switch10: switch@10 {
+            compatible = "qca,ar9331-switch";
+            reg = <0x10>;
+
+            interrupt-parent = <&miscintc>;
+            interrupts = <12>;
+            interrupt-controller;
+            #interrupt-cells = <1>;
+
+            resets = <&rst 8>;
+            reset-names = "switch";
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0x0>;
+                    ethernet = <&eth1>;
+
+                    phy-mode = "gmii";
+
+                    fixed-link {
+                        speed = <1000>;
+                        full-duplex;
+                    };
+                };
+
+                port@1 {
+                    reg = <0x1>;
+                    phy-handle = <&phy_port0>;
+                    phy-mode = "internal";
+                };
+
+                port@2 {
+                    reg = <0x2>;
+                    phy-handle = <&phy_port1>;
+                    phy-mode = "internal";
+                };
+
+                port@3 {
+                    reg = <0x3>;
+                    phy-handle = <&phy_port2>;
+                    phy-mode = "internal";
+                };
+
+                port@4 {
+                    reg = <0x4>;
+                    phy-handle = <&phy_port3>;
+                    phy-mode = "internal";
+                };
+            };
+
+            mdio {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                interrupt-parent = <&switch10>;
+
+                phy_port0: ethernet-phy@0 {
+                    reg = <0x0>;
+                    interrupts = <0>;
+                };
+
+                phy_port1: ethernet-phy@1 {
+                    reg = <0x1>;
+                    interrupts = <0>;
+                };
+
+                phy_port2: ethernet-phy@2 {
+                    reg = <0x2>;
+                    interrupts = <0>;
+                };
+
+                phy_port3: ethernet-phy@3 {
+                    reg = <0x3>;
+                    interrupts = <0>;
+                };
+
+                phy_port4: ethernet-phy@4 {
+                    reg = <0x4>;
+                    interrupts = <0>;
+                };
+            };
+        };
+    };