diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 15204e44161d..cd6ad072e72c 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi
@@ -86,14 +86,14 @@ hwrng: rng@8100 {
 			};
 
 			uart_A: serial@84c0 {
-				compatible = "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
 				reg = <0x84c0 0x18>;
 				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
 			};
 
 			uart_B: serial@84dc {
-				compatible = "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
 				reg = <0x84dc 0x18>;
 				interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
@@ -108,6 +108,20 @@ i2c_A: i2c@8500 {
 				status = "disabled";
 			};
 
+			pwm_ab: pwm@8550 {
+				compatible = "amlogic,meson-pwm";
+				reg = <0x8550 0x10>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_cd: pwm@8650 {
+				compatible = "amlogic,meson-pwm";
+				reg = <0x8650 0x10>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
 			saradc: adc@8680 {
 				compatible = "amlogic,meson-saradc";
 				reg = <0x8680 0x34>;
@@ -117,7 +131,7 @@ saradc: adc@8680 {
 			};
 
 			uart_C: serial@8700 {
-				compatible = "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
 				reg = <0x8700 0x18>;
 				interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
@@ -182,7 +196,7 @@ ir_receiver: ir-receiver@480 {
 			};
 
 			uart_AO: serial@4c0 {
-				compatible = "amlogic,meson-uart";
+				compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart", "amlogic,meson-uart";
 				reg = <0x4c0 0x18>;
 				interrupts = <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
@@ -230,5 +244,13 @@ ethmac: ethernet@c9410000 {
 			interrupt-names = "macirq";
 			status = "disabled";
 		};
+
+		ahb_sram: sram@d9000000 {
+			compatible = "mmio-sram";
+			reg = <0xd9000000 0x20000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0xd9000000 0x20000>;
+		};
 	};
 }; /* end of / */
diff --git a/arch/arm/boot/dts/meson6.dtsi b/arch/arm/boot/dts/meson6.dtsi
index 8557b6117a4b..ef281d290052 100644
--- a/arch/arm/boot/dts/meson6.dtsi
+++ b/arch/arm/boot/dts/meson6.dtsi
@@ -70,9 +70,37 @@ cpu@201 {
 		};
 	};
 
+	xtal: xtal-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "xtal";
+		#clock-cells = <0>;
+	};
+
 	clk81: clk@0 {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <200000000>;
 	};
 }; /* end of / */
+
+
+&uart_AO {
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
+};
+
+&uart_A {
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
+};
+
+&uart_B {
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
+};
+
+&uart_C {
+	clocks = <&xtal>, <&clk81>, <&clk81>;
+	clock-names = "xtal", "pclk", "baud";
+};
diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index cada35828931..b98d44fde6b6 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -168,10 +168,18 @@ mux {
 &cbus {
 	clkc: clock-controller@4000 {
 		#clock-cells = <1>;
+		#reset-cells = <1>;
 		compatible = "amlogic,meson8-clkc";
 		reg = <0x8000 0x4>, <0x4000 0x460>;
 	};
 
+	pwm_ef: pwm@86c0 {
+		compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
+		reg = <0x86c0 0x10>;
+		#pwm-cells = <3>;
+		status = "disabled";
+	};
+
 	pinctrl_cbus: pinctrl@9880 {
 		compatible = "amlogic,meson8-cbus-pinctrl";
 		reg = <0x9880 0x10>;
@@ -270,6 +278,14 @@ &L2 {
 	arm,filter-ranges = <0x100000 0xc0000000>;
 };
 
+&pwm_ab {
+	compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
+};
+
+&pwm_cd {
+	compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
+};
+
 &saradc {
 	compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc";
 	clocks = <&clkc CLKID_XTAL>,
diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index 72e4f425f190..bc278da7df0d 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -119,6 +119,7 @@ mux {
 &cbus {
 	clkc: clock-controller@4000 {
 		#clock-cells = <1>;
+		#reset-cells = <1>;
 		compatible = "amlogic,meson8b-clkc";
 		reg = <0x8000 0x4>, <0x4000 0x460>;
 	};
@@ -129,20 +130,6 @@ reset: reset-controller@4404 {
 		#reset-cells = <1>;
 	};
 
-	pwm_ab: pwm@8550 {
-		compatible = "amlogic,meson8b-pwm";
-		reg = <0x8550 0x10>;
-		#pwm-cells = <3>;
-		status = "disabled";
-	};
-
-	pwm_cd: pwm@8650 {
-		compatible = "amlogic,meson8b-pwm";
-		reg = <0x8650 0x10>;
-		#pwm-cells = <3>;
-		status = "disabled";
-	};
-
 	pwm_ef: pwm@86c0 {
 		compatible = "amlogic,meson8b-pwm";
 		reg = <0x86c0 0x10>;
@@ -150,12 +137,6 @@ pwm_ef: pwm@86c0 {
 		status = "disabled";
 	};
 
-	wdt: watchdog@9900 {
-		compatible = "amlogic,meson8b-wdt";
-		reg = <0x9900 0x8>;
-		interrupts = <0 0 1>;
-	};
-
 	pinctrl_cbus: pinctrl@9880 {
 		compatible = "amlogic,meson8b-cbus-pinctrl";
 		reg = <0x9880 0x10>;
@@ -193,6 +174,14 @@ &L2 {
 	arm,filter-ranges = <0x100000 0xc0000000>;
 };
 
+&pwm_ab {
+	compatible = "amlogic,meson8b-pwm";
+};
+
+&pwm_cd {
+	compatible = "amlogic,meson8b-pwm";
+};
+
 &saradc {
 	compatible = "amlogic,meson8b-saradc", "amlogic,meson-saradc";
 	clocks = <&clkc CLKID_XTAL>,
@@ -242,3 +231,7 @@ &usb1_phy {
 	clock-names = "usb_general", "usb";
 	resets = <&reset RESET_USB_OTG>;
 };
+
+&wdt {
+	compatible = "amlogic,meson8b-wdt";
+};