diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml
index 6c2be9d6840b..c6641acd75d6 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,gamma.yaml
@@ -24,6 +24,10 @@ properties:
       - enum:
           - mediatek,mt8173-disp-gamma
           - mediatek,mt8183-disp-gamma
+      - items:
+          - enum:
+              - mediatek,mt6795-disp-gamma
+          - const: mediatek,mt8173-disp-gamma
       - items:
           - enum:
               - mediatek,mt8186-disp-gamma