diff --git a/arch/arm64/boot/dts/rockchip/rk3588.dtsi b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
index 276bd7bfb141..e4cffece9d49 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
@@ -275,6 +275,7 @@
 		phy-names = "hdmi";
 		pinctrl-names = "default";
 		pinctrl-0 = <&hdmim0_pins>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 
 		ports {
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index 305463700796..3bd85a90d468 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -2115,6 +2115,7 @@
 		phy-names = "hdmi";
 		pinctrl-names = "default";
 		pinctrl-0 = <&hdmim0_pins>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 
 		ports {