diff --git a/arch/arm64/boot/dts/rockchip/rk3528-demo.dtsi b/arch/arm64/boot/dts/rockchip/rk3528-demo.dtsi
index d9310275cf5f..aebd9464dddd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-demo.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528-demo.dtsi
@@ -43,7 +43,7 @@
 	bt_sco: bt-sco {
 		status = "disabled";
 		compatible = "delta,dfbmcs320";
-		#sound-dai-cells = <0>;
+		#sound-dai-cells = <1>;
 	};
 
 	bt_sound: bt-sound {
@@ -57,7 +57,7 @@
 			sound-dai = <&sai0>;
 		};
 		simple-audio-card,codec {
-			sound-dai = <&bt_sco>;
+			sound-dai = <&bt_sco 1>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3528-evb.dtsi
index 915a42c20b09..b737c44c3877 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528-evb.dtsi
@@ -42,7 +42,7 @@
 	bt_sco: bt-sco {
 		status = "disabled";
 		compatible = "delta,dfbmcs320";
-		#sound-dai-cells = <0>;
+		#sound-dai-cells = <1>;
 	};
 
 	bt_sound: bt-sound {
@@ -56,7 +56,7 @@
 			sound-dai = <&sai0>;
 		};
 		simple-audio-card,codec {
-			sound-dai = <&bt_sco>;
+			sound-dai = <&bt_sco 1>;
 		};
 	};