diff --git a/arch/arm/boot/dts/mediatek/mt2701-evb.dts b/arch/arm/boot/dts/mediatek/mt2701-evb.dts
index 4c76366aa938..e97dc37f716c 100644
--- a/arch/arm/boot/dts/mediatek/mt2701-evb.dts
+++ b/arch/arm/boot/dts/mediatek/mt2701-evb.dts
@@ -50,6 +50,7 @@ sound:sound {
 
 	bt_sco_codec:bt_sco_codec {
 		compatible = "linux,bt-sco";
+		#sound-dai-cells = <0>;
 	};
 
 	backlight_lcd: backlight_lcd {
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index f9ca6b3720e9..ecc6c4d6f1cd 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -105,6 +105,7 @@ sound: mt8183-sound {
 
 	btsco: bt-sco {
 		compatible = "linux,bt-sco";
+		#sound-dai-cells = <0>;
 	};
 
 	wifi_pwrseq: wifi-pwrseq {