diff --git a/arch/arm64/boot/dts/amlogic/mesong12a.dtsi b/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
index aeddf607069b..9f8f29355810 100644
--- a/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
@@ -730,7 +730,7 @@
 				status = "okay";
 				clocks = <&xtal>;
 				clock-names = "clk_uart";
-				xtal_tick_en = <1>;
+				xtal_tick_en = <2>;
 				fifosize = < 64 >;
 				pinctrl-names = "default";
 				/*pinctrl-0 = <&ao_uart_pins>;*/
diff --git a/arch/arm64/boot/dts/amlogic/mesong12b.dtsi b/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
index 2317cb4bd741..5bc7c0658db0 100644
--- a/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesong12b.dtsi
@@ -764,7 +764,7 @@
 				status = "okay";
 				clocks = <&xtal>;
 				clock-names = "clk_uart";
-				xtal_tick_en = <1>;
+				xtal_tick_en = <2>;
 				fifosize = < 64 >;
 				pinctrl-names = "default";
 				/*pinctrl-0 = <&ao_uart_pins>;*/