diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
index 73bba8bea79e..ae296857438e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
@@ -35,7 +35,7 @@
 	bt_sco: bt-sco {
 		status = "disabled";
 		compatible = "delta,dfbmcs320";
-		#sound-dai-cells = <0>;
+		#sound-dai-cells = <1>;
 	};
 
 	bt_sound: bt-sound {
@@ -49,7 +49,7 @@
 			sound-dai = <&i2s2_2ch>;
 		};
 		simple-audio-card,codec {
-			sound-dai = <&bt_sco>;
+			sound-dai = <&bt_sco 1>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
index a998a93266e0..63b8833f93df 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
@@ -144,7 +144,7 @@
 	bt_sco: bt-sco {
 		status = "disabled";
 		compatible = "delta,dfbmcs320";
-		#sound-dai-cells = <0>;
+		#sound-dai-cells = <1>;
 	};
 
 	bt_sound: bt-sound {
@@ -158,7 +158,7 @@
 			sound-dai = <&i2s3_2ch>;
 		};
 		simple-audio-card,codec {
-			sound-dai = <&bt_sco>;
+			sound-dai = <&bt_sco 1>;
 		};
 	};