dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J7200

TI's J7200 SoC supports additional PHY modes like QSGMII and SGMII
that are not supported on earlier SoCs. Add a compatible for it.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220912085650.83263-3-s-vadapalli@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml

@@ -54,6 +54,12 @@ patternProperties:
     description:
       Clock provider for TI EHRPWM nodes.
 
+  "phy@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/phy/ti,phy-gmii-sel.yaml#
+    description:
+      The phy node corresponding to the ethernet MAC.
+
 required:
   - compatible
   - reg

Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml

@@ -53,12 +53,25 @@ properties:
       - ti,am43xx-phy-gmii-sel
       - ti,dm814-phy-gmii-sel
       - ti,am654-phy-gmii-sel
+      - ti,j7200-cpsw5g-phy-gmii-sel
 
   reg:
     maxItems: 1
 
   '#phy-cells': true
 
+  ti,qsgmii-main-ports:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Required only for QSGMII mode. Array to select the port for
+      QSGMII main mode. Rest of the ports are selected as QSGMII_SUB
+      ports automatically. Any one of the 4 CPSW5G ports can act as the
+      main port with the rest of them being the QSGMII_SUB ports.
+    maxItems: 1
+    items:
+      minimum: 1
+      maximum: 4
+
 allOf:
   - if:
       properties:
@@ -73,6 +86,18 @@ allOf:
         '#phy-cells':
           const: 1
           description: CPSW port number (starting from 1)
+
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - ti,j7200-cpsw5g-phy-gmii-sel
+    then:
+      properties:
+        ti,qsgmii-main-ports: false
+
   - if:
       properties:
         compatible: