diff --git a/arch/arm/boot/dts/amlogic/g12a_s905x2_u212.dts b/arch/arm/boot/dts/amlogic/g12a_s905x2_u212.dts
index 241854ade5cb..289bd7951bd2 100644
--- a/arch/arm/boot/dts/amlogic/g12a_s905x2_u212.dts
+++ b/arch/arm/boot/dts/amlogic/g12a_s905x2_u212.dts
@@ -909,6 +909,11 @@
 		 * 4: spdifout_b;
 		 */
 		samesource_sel = <3>;
+		/*enable default mclk(12.288M), before extern codec start*/
+		start_clk_enable = <1>;
+
+		/*tdm clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 
 	aml_tdmc: tdmc {
@@ -961,6 +966,8 @@
 		pinctrl-0 = <&spdifout>;
 		pinctrl-1 = <&spdifout_a_mute>;
 		status = "okay";
+		/*spdif clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 	aml_spdif_b: spdif_b {
 		compatible = "amlogic, g12a-snd-spdif-b";
diff --git a/arch/arm/boot/dts/amlogic/g12a_s905x2_u212_1g.dts b/arch/arm/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
index a67511230e1f..7bff8e6f9370 100644
--- a/arch/arm/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
+++ b/arch/arm/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
@@ -905,6 +905,11 @@
 		 * 4: spdifout_b;
 		 */
 		samesource_sel = <3>;
+		/*enable default mclk(12.288M), before extern codec start*/
+		start_clk_enable = <1>;
+
+		/*tdm clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 
 	aml_tdmc: tdmc {
@@ -957,6 +962,8 @@
 		pinctrl-0 = <&spdifout>;
 		pinctrl-1 = <&spdifout_a_mute>;
 		status = "okay";
+		/*spdif clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 	aml_spdif_b: spdif_b {
 		compatible = "amlogic, g12a-snd-spdif-b";
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212.dts b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212.dts
index 2de5deab9b44..00f0ea5832fe 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212.dts
@@ -909,6 +909,11 @@
 		 * 4: spdifout_b;
 		 */
 		samesource_sel = <3>;
+		/*enable default mclk(12.288M), before extern codec start*/
+		start_clk_enable = <1>;
+
+		/*tdm clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 
 	aml_tdmc: tdmc {
@@ -961,6 +966,8 @@
 		pinctrl-0 = <&spdifout>;
 		pinctrl-1 = <&spdifout_a_mute>;
 		status = "okay";
+		/*spdif clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 	aml_spdif_b: spdif_b {
 		compatible = "amlogic, g12a-snd-spdif-b";
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212_1g.dts b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
index d3995f82c1a8..510995891be7 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u212_1g.dts
@@ -901,6 +901,11 @@
 		 * 4: spdifout_b;
 		 */
 		samesource_sel = <3>;
+		/*enable default mclk(12.288M), before extern codec start*/
+		start_clk_enable = <1>;
+
+		/*tdm clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 
 	aml_tdmc: tdmc {
@@ -953,6 +958,8 @@
 		pinctrl-0 = <&spdifout>;
 		pinctrl-1 = <&spdifout_a_mute>;
 		status = "okay";
+		/*spdif clk tuning enable*/
+		clk_tuning_enable = <1>;
 	};
 	aml_spdif_b: spdif_b {
 		compatible = "amlogic, g12a-snd-spdif-b";