dt-bindings: net: convert qca,ar71xx documentation to yaml

Now that we have the DT validation in place, let's convert the device tree
bindings for the Atheros AR71XX over to a YAML schemas.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/qca,ar71xx.yaml

@@ -0,0 +1,216 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/qca,ar71xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: QCA AR71XX MAC
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+
+maintainers:
+  - Oleksij Rempel <o.rempel@pengutronix.de>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - qca,ar7100-eth   # Atheros AR7100
+              - qca,ar7240-eth   # Atheros AR7240
+              - qca,ar7241-eth   # Atheros AR7241
+              - qca,ar7242-eth   # Atheros AR7242
+              - qca,ar9130-eth   # Atheros AR9130
+              - qca,ar9330-eth   # Atheros AR9330
+              - qca,ar9340-eth   # Atheros AR9340
+              - qca,qca9530-eth  # Qualcomm Atheros QCA9530
+              - qca,qca9550-eth  # Qualcomm Atheros QCA9550
+              - qca,qca9560-eth  # Qualcomm Atheros QCA9560
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  '#address-cells':
+    description: number of address cells for the MDIO bus
+    const: 1
+
+  '#size-cells':
+    description: number of size cells on the MDIO bus
+    const: 0
+
+  clocks:
+    items:
+      - description: MAC main clock
+      - description: MDIO clock
+
+  clock-names:
+    items:
+      - const: eth
+      - const: mdio
+
+  resets:
+    items:
+      - description: MAC reset
+      - description: MDIO reset
+
+  reset-names:
+    items:
+      - const: mac
+      - const: mdio
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - phy-mode
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+
+examples:
+  # Lager board
+  - |
+    eth0: ethernet@19000000 {
+        compatible = "qca,ar9330-eth";
+        reg = <0x19000000 0x200>;
+        interrupts = <4>;
+        resets = <&rst 9>, <&rst 22>;
+        reset-names = "mac", "mdio";
+        clocks = <&pll 1>, <&pll 2>;
+        clock-names = "eth", "mdio";
+        qca,ethcfg = <&ethcfg>;
+        phy-mode = "mii";
+        phy-handle = <&phy_port4>;
+    };
+
+    eth1: ethernet@1a000000 {
+        compatible = "qca,ar9330-eth";
+        reg = <0x1a000000 0x200>;
+        interrupts = <5>;
+        resets = <&rst 13>, <&rst 23>;
+        reset-names = "mac", "mdio";
+        clocks = <&pll 1>, <&pll 2>;
+        clock-names = "eth", "mdio";
+
+        phy-mode = "gmii";
+
+        status = "disabled";
+
+        fixed-link {
+            speed = <1000>;
+            full-duplex;
+        };
+
+        mdio {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            switch10: switch@10 {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                compatible = "qca,ar9331-switch";
+                reg = <0x10>;
+                resets = <&rst 8>;
+                reset-names = "switch";
+
+                interrupt-parent = <&miscintc>;
+                interrupts = <12>;
+
+                interrupt-controller;
+                #interrupt-cells = <1>;
+
+                ports {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+
+                    switch_port0: port@0 {
+                        reg = <0x0>;
+                        label = "cpu";
+                        ethernet = <&eth1>;
+
+                        phy-mode = "gmii";
+
+                        fixed-link {
+                            speed = <1000>;
+                            full-duplex;
+                        };
+                    };
+
+                    switch_port1: port@1 {
+                        reg = <0x1>;
+                        phy-handle = <&phy_port0>;
+                        phy-mode = "internal";
+
+                        status = "disabled";
+                    };
+
+                    switch_port2: port@2 {
+                        reg = <0x2>;
+                        phy-handle = <&phy_port1>;
+                        phy-mode = "internal";
+
+                        status = "disabled";
+                    };
+
+                    switch_port3: port@3 {
+                        reg = <0x3>;
+                        phy-handle = <&phy_port2>;
+                        phy-mode = "internal";
+
+                        status = "disabled";
+                    };
+
+                    switch_port4: port@4 {
+                        reg = <0x4>;
+                        phy-handle = <&phy_port3>;
+                        phy-mode = "internal";
+
+                        status = "disabled";
+                    };
+                };
+
+                mdio {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+
+                    interrupt-parent = <&switch10>;
+
+                    phy_port0: phy@0 {
+                        reg = <0x0>;
+                        interrupts = <0>;
+                        status = "disabled";
+                    };
+
+                    phy_port1: phy@1 {
+                        reg = <0x1>;
+                        interrupts = <0>;
+                        status = "disabled";
+                    };
+
+                    phy_port2: phy@2 {
+                        reg = <0x2>;
+                        interrupts = <0>;
+                        status = "disabled";
+                    };
+
+                    phy_port3: phy@3 {
+                        reg = <0x3>;
+                        interrupts = <0>;
+                        status = "disabled";
+                    };
+
+                    phy_port4: phy@4 {
+                        reg = <0x4>;
+                        interrupts = <0>;
+                        status = "disabled";
+                    };
+                };
+            };
+        };
+    };