dt-bindings: net: mediatek: add WED binding for MT7986 eth driver

Document the binding for the Wireless Ethernet Dispatch core on the
MT7986 ethernet driver

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml

@@ -20,6 +20,7 @@ properties:
     items:
       - enum:
           - mediatek,mt7622-wed
+          - mediatek,mt7986-wed
       - const: syscon
 
   reg:

Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7986-wed-pcie.yaml

@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt7986-wed-pcie.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek PCIE WED Controller for MT7986
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@kernel.org>
+  - Felix Fietkau <nbd@nbd.name>
+
+description:
+  The mediatek WED PCIE provides a configuration interface for PCIE
+  controller on MT7986 soc.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - mediatek,mt7986-wed-pcie
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      wed_pcie: wed-pcie@10003000 {
+        compatible = "mediatek,mt7986-wed-pcie",
+                     "syscon";
+        reg = <0 0x10003000 0 0x10>;
+      };
+    };

Documentation/devicetree/bindings/net/mediatek,net.yaml

@@ -69,6 +69,15 @@ properties:
       A list of phandle to the syscon node that handles the SGMII setup which is required for
       those SoCs equipped with SGMII.
 
+  mediatek,wed:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 2
+    maxItems: 2
+    items:
+      maxItems: 1
+    description:
+      List of phandles to wireless ethernet dispatch nodes.
+
   dma-coherent: true
 
   mdio-bus:
@@ -112,6 +121,8 @@ allOf:
             Phandle to the syscon node that handles the ports slew rate and
             driver current.
 
+        mediatek,wed: false
+
   - if:
       properties:
         compatible:
@@ -144,15 +155,6 @@ allOf:
           minItems: 1
           maxItems: 1
 
-        mediatek,wed:
-          $ref: /schemas/types.yaml#/definitions/phandle-array
-          minItems: 2
-          maxItems: 2
-          items:
-            maxItems: 1
-          description:
-            List of phandles to wireless ethernet dispatch nodes.
-
         mediatek,pcie-mirror:
           $ref: /schemas/types.yaml#/definitions/phandle
           description:
@@ -202,6 +204,8 @@ allOf:
           minItems: 2
           maxItems: 2
 
+        mediatek,wed: false
+
   - if:
       properties:
         compatible:
@@ -238,6 +242,11 @@ allOf:
           minItems: 2
           maxItems: 2
 
+        mediatek,wed-pcie:
+          $ref: /schemas/types.yaml#/definitions/phandle
+          description:
+            Phandle to the mediatek wed-pcie controller.
+
 patternProperties:
   "^mac@[0-1]$":
     type: object