1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
index 3d107e9434be..b3d5e1b96fae 100644
--- a/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
+++ b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
@@ -45,6 +45,8 @@ properties:
 
   ports:
     $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      maxItems: 1
     description:
       Should contain a list of phandles pointing to display interface port
       of DPU devices.
@@ -61,4 +63,3 @@ examples:
         compatible = "sprd,display-subsystem";
         ports = <&dpu_out>;
     };
-