[PATCH] dt-bindings: display: panel: add common definition of ports

[Krzysztof Kozlowski]

Few panel bindings for dual-link connections just type "ports: true",
which does not enforce any type.  Add common definition of ports, so the
type will be fixed.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

---

Cc: Konrad Dybcio <konrad.dybcio at linaro.org>
---
 .../bindings/display/panel/panel-common.yaml     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
index 5b38dc89cb21..ad62d34e6fa3 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
@@ -70,6 +70,16 @@ properties:
   port:
     $ref: /schemas/graph.yaml#/properties/port
 
+  # For dual-link connections
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    patternProperties:
+      "^port@[0-9a-f]+$":
+        $ref: /schemas/graph.yaml#/$defs/port-base
+
+    required:
+      - port at 0
+
   ddc-i2c-bus:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
@@ -154,6 +164,12 @@ dependencies:
   width-mm: [ height-mm ]
   height-mm: [ width-mm ]
 
+allOf:
+  - not:
+      required:
+        - port
+        - ports
+
 additionalProperties: true
 
 ...
-- 
2.34.1