dt-bindings: net: wireless: mt76: document bindings for MT7986

Add an entry for MT7986 SoC.

Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml

@@ -18,7 +18,7 @@ description: |
   wireless device. The node is expected to be specified as a child
   node of the PCI controller to which the wireless chip is connected.
   Alternatively, it can specify the wireless part of the MT7628/MT7688
-  or MT7622 SoC.
+  or MT7622/MT7986 SoC.
 
 allOf:
   - $ref: ieee80211.yaml#
@@ -29,9 +29,13 @@ properties:
       - mediatek,mt76
       - mediatek,mt7628-wmac
       - mediatek,mt7622-wmac
+      - mediatek,mt7986-wmac
 
   reg:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
+    description:
+      MT7986 should contain 3 regions consys, dcm, and sku, in this order.
 
   interrupts:
     maxItems: 1
@@ -39,6 +43,17 @@ properties:
   power-domains:
     maxItems: 1
 
+  memory-region:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+    description:
+      Specify the consys reset for mt7986.
+
+  reset-name:
+    const: consys
+
   mediatek,infracfg:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
@@ -174,7 +189,7 @@ required:
   - compatible
   - reg
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
@@ -240,3 +255,15 @@ examples:
 
       power-domains = <&scpsys 3>;
     };
+
+  - |
+    wifi@18000000 {
+        compatible = "mediatek,mt7986-wmac";
+        resets = <&watchdog 23>;
+        reset-names = "consys";
+        reg = <0x18000000 0x1000000>,
+              <0x10003000 0x1000>,
+              <0x11d10000 0x1000>;
+        interrupts = <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>;
+        memory-region = <&wmcpu_emi>;
+    };