diff --git a/Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml b/Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml
index 3708518fe7fc..bba20e88a6dc 100644
--- a/Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml
@@ -40,6 +40,7 @@ properties:
       - items:
           - enum:
               - mediatek,mt6991-uart-dma
+              - mediatek,mt8189-uart-dma
               - mediatek,mt8196-uart-dma
           - const: mediatek,mt6985-uart-dma
       - enum: