diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index dc785da9c..141fd186b 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -374,6 +381,17 @@
 			#dma-cells = <1>;
 		};
 
+		gic: interrupt-controller@3021000 {
+			compatible = "arm,gic-400";
+			reg = <0x03021000 0x1000>,
+			      <0x03022000 0x2000>,
+			      <0x03024000 0x2000>,
+			      <0x03026000 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+
 		sid: efuse@3006000 {
 			compatible = "allwinner,sun50i-h6-sid";
 			reg = <0x03006000 0x400>;
@@ -279,6 +305,7 @@
 			interrupt-controller;
 			#interrupt-cells = <3>;
 
+			/omit-if-no-ref/
 			ext_rgmii_pins: rgmii-pins {
 				pins = "PD0", "PD1", "PD2", "PD3", "PD4",
 				       "PD5", "PD7", "PD8", "PD9", "PD10",
@@ -309,6 +354,7 @@
 				bias-pull-up;
 			};
 
+			/omit-if-no-ref/
 			mmc2_pins: mmc2-pins {
 				pins = "PC1", "PC4", "PC5", "PC6",
 				       "PC7", "PC8", "PC9", "PC10",
@@ -511,17 +540,26 @@
 				pins = "PG8", "PG9";
 				function = "uart1";
 			};
-		};
 
-		gic: interrupt-controller@3021000 {
-			compatible = "arm,gic-400";
-			reg = <0x03021000 0x1000>,
-			      <0x03022000 0x2000>,
-			      <0x03024000 0x2000>,
-			      <0x03026000 0x2000>;
-			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
-			interrupt-controller;
-			#interrupt-cells = <3>;
+			uart2_pins: uart2-pins {
+				pins = "PD19", "PD20";
+				function = "uart2";
+			};
+
+			uart2_rts_cts_pins: uart2-rts-cts-pins {
+				pins = "PD21", "PD22";
+				function = "uart2";
+			};
+
+			uart3_pins: uart3-pins {
+				pins = "PD23", "PD24";
+				function = "uart3";
+			};
+
+			uart3_rts_cts_pins: uart3-rts-cts-pins {
+				pins = "PD25", "PD26";
+				function = "uart3";
+			};
 		};
 
 		mmc0: mmc@4020000 {
@@ -963,6 +1033,19 @@
 			};
 		};
 
+		r_uart: serial@7080000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x07080000 0x400>;
+			interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			clocks = <&r_ccu CLK_R_APB2_UART>;
+			resets = <&r_ccu RST_R_APB2_UART>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&r_uart_pins>;
+			status = "disabled";
+		};
+
 		rtc: rtc@7000000 {
 			compatible = "allwinner,sun50i-h6-rtc";
 			reg = <0x07000000 0x400>;
@@ -1021,6 +1104,11 @@
 				pins = "PL9";
 				function = "s_cir_rx";
 			};
+
+			r_uart_pins: r-uart-pins {
+				pins = "PL2", "PL3";
+				function = "s_uart";
+			};
 		};
 
 		r_ir: ir@7040000 {