diff --git a/arch/arm64/boot/dts/amlogic/axg_a113d_skt.dts b/arch/arm64/boot/dts/amlogic/axg_a113d_skt.dts
index f1c1cfa4edb5..bb4b59edc6b2 100644
--- a/arch/arm64/boot/dts/amlogic/axg_a113d_skt.dts
+++ b/arch/arm64/boot/dts/amlogic/axg_a113d_skt.dts
@@ -28,6 +28,9 @@
 
 	aliases {
 		serial0 = &uart_AO;
+		serial1 = &uart_A;
+		serial2 = &uart_B;
+		serial3 = &uart_AO_B;
 	};
 
 	memory@00000000 {
@@ -260,6 +263,29 @@
 		status = "okay";
 	};
 
+	uart_A: serial@ffd24000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd24000 0x0 0x18>;
+		interrupts = <0 26 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 128 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&a_uart_pins>;
+	};
+
+	uart_B: serial@ffd23000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd23000 0x0 0x18>;
+		interrupts = <0 75 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&b_uart_pins>;
+	};
 }; /* end of / */
 
 
@@ -280,3 +306,32 @@
 	cs_delay = <10>;
 	enhance_dlyctl = <0>;
 };
+
+&aobus{
+	uart_AO: serial@3000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x3000 0x0 0x18>;
+		interrupts = <0 193 1>;
+		status = "okay";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		xtal_tick_en = <1>;
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_uart_pins>;
+		support-sysrq = <0>;	/* 0 not support , 1 support */
+	};
+
+	uart_AO_B: serial@4000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x4000 0x0 0x18>;
+		interrupts = <0 197 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_b_uart_pins>;
+	};
+};
+
diff --git a/arch/arm64/boot/dts/amlogic/axg_pxp.dts b/arch/arm64/boot/dts/amlogic/axg_pxp.dts
index d9cf3c92c87f..422791c158fd 100644
--- a/arch/arm64/boot/dts/amlogic/axg_pxp.dts
+++ b/arch/arm64/boot/dts/amlogic/axg_pxp.dts
@@ -136,3 +136,19 @@
 	cs_delay = <10>;
 	enhance_dlyctl = <0>;
 };
+
+&aobus{
+	uart_AO: serial@3000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x3000 0x0 0x18>;
+		interrupts = <0 193 1>;
+		status = "okay";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		xtal_tick_en = <1>;
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_uart_pins>;
+		support-sysrq = <0>;	/* 0 not support , 1 support */
+	};
+};
diff --git a/arch/arm64/boot/dts/amlogic/axg_s400.dts b/arch/arm64/boot/dts/amlogic/axg_s400.dts
index 580ac9c401d9..959f104247d5 100644
--- a/arch/arm64/boot/dts/amlogic/axg_s400.dts
+++ b/arch/arm64/boot/dts/amlogic/axg_s400.dts
@@ -261,6 +261,29 @@
 		status = "okay";
 	};
 
+	uart_A: serial@ffd24000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd24000 0x0 0x18>;
+		interrupts = <0 26 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 128 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&a_uart_pins>;
+	};
+
+	uart_B: serial@ffd23000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd23000 0x0 0x18>;
+		interrupts = <0 75 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&b_uart_pins>;
+	};
 }; /* end of / */
 
 &spicc_a{
@@ -280,3 +303,31 @@
 	cs_delay = <10>;
 	enhance_dlyctl = <0>;
 };
+
+&aobus{
+	uart_AO: serial@3000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x3000 0x0 0x18>;
+		interrupts = <0 193 1>;
+		status = "okay";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		xtal_tick_en = <1>;
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_uart_pins>;
+		support-sysrq = <0>;	/* 0 not support , 1 support */
+	};
+
+	uart_AO_B: serial@4000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x4000 0x0 0x18>;
+		interrupts = <0 197 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_b_uart_pins>;
+	};
+};
diff --git a/arch/arm64/boot/dts/amlogic/axg_s420.dts b/arch/arm64/boot/dts/amlogic/axg_s420.dts
index 82911e5a2b23..81b722f80229 100644
--- a/arch/arm64/boot/dts/amlogic/axg_s420.dts
+++ b/arch/arm64/boot/dts/amlogic/axg_s420.dts
@@ -200,6 +200,30 @@
 			"usb1",
 			"usb1_to_ddr";
 	};
+
+	uart_A: serial@ffd24000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd24000 0x0 0x18>;
+		interrupts = <0 26 1>;
+		status = "okay";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 128 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&a_uart_pins>;
+	};
+
+	uart_B: serial@ffd23000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0xffd23000 0x0 0x18>;
+		interrupts = <0 75 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&b_uart_pins>;
+	};
 }; /* end of / */
 
 &spicc_a{
@@ -219,3 +243,31 @@
 	cs_delay = <10>;
 	enhance_dlyctl = <0>;
 };
+
+&aobus{
+	uart_AO: serial@3000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x3000 0x0 0x18>;
+		interrupts = <0 193 1>;
+		status = "okay";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		xtal_tick_en = <1>;
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_uart_pins>;
+		support-sysrq = <0>;	/* 0 not support , 1 support */
+	};
+
+	uart_AO_B: serial@4000 {
+		compatible = "amlogic, meson-uart";
+		reg = <0x0 0x4000 0x0 0x18>;
+		interrupts = <0 197 1>;
+		status = "disable";
+		clocks = <&xtal>;
+		clock-names = "clk_uart";
+		fifosize = < 64 >;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ao_b_uart_pins>;
+	};
+};
diff --git a/arch/arm64/boot/dts/amlogic/mesonaxg.dtsi b/arch/arm64/boot/dts/amlogic/mesonaxg.dtsi
index 343eb81abf75..6390ad66e0e6 100644
--- a/arch/arm64/boot/dts/amlogic/mesonaxg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesonaxg.dtsi
@@ -495,6 +495,14 @@
 			};
 		};
 
+	ao_b_1_uart_pins:ao_b_1_uart {
+		mux {
+				pins = "GPIOAO_4",
+					"GPIOAO_5";
+				function = "uart_ao_b";
+		};
+	};
+
 	ao_i2c_master:ao_i2c{
 		mux {
 			pins = "GPIOAO_4","GPIOAO_5";
@@ -518,6 +526,30 @@
 }; /* end of pinctrl_aobus */
 
 &pinctrl_periphs {
+	ao_b_uart_pins:ao_b_uart {
+		mux {
+				pins = "GPIOZ_8",
+					"GPIOZ_9";
+				function = "uart_ao_b";
+		};
+	};
+
+	a_uart_pins:a_uart {
+		mux {
+			pins = "GPIOX_8",
+				"GPIOX_9";
+			function = "uart_a";
+		};
+	};
+
+	b_uart_pins:b_uart {
+		mux {
+			pins = "GPIOZ_2",
+				"GPIOZ_3";
+			function = "uart_b";
+		};
+	};
+
 	a_i2c_master:a_i2c {
 		mux {
 			pins = "GPIOZ_6","GPIOZ_7";
@@ -646,18 +678,3 @@
 
 }; /* end of pinctrl_periphs */
 
-&aobus{
-	uart_AO: serial@3000 {
-		compatible = "amlogic, meson-uart";
-		reg = <0x0 0x3000 0x0 0x18>;
-		interrupts = <0 193 1>;
-		status = "okay";
-		clocks = <&xtal>;
-		clock-names = "clk_uart";
-		xtal_tick_en = <1>;
-		fifosize = < 64 >;
-		pinctrl-names = "default";
-		pinctrl-0 = <&ao_uart_pins>;
-		support-sysrq = <0>;	/* 0 not support , 1 support */
-	};
-};