diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
index 38ebb6983028735304fd01d6911c0b26d7d8e4bf..d7cb2b2be60e861543c0f43603dfa0b1e18bee6a 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -89,6 +89,7 @@ properties:
       The unwedge pinctrl entry shall drive the DDC SDA line low. This is
       intended to work around a hardware errata that can cause the DDC I2C
       bus to be wedged.
+    minItems: 1
     items:
       - const: default
       - const: unwedge