diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 5170fe6ab5f7..227c726475e0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -1006,6 +1006,7 @@
 		reset-names = "hdmi",
 			      "hdmiphy";
 		rockchip,grf = <&grf>;
+		max-tmdsclk = <371250>;
 		status = "disabled";
 
 		ports {