diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 7b16ea61e914..d77dcf890cfc 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -281,6 +281,22 @@
 				function = "pwm_e";
 			};
 		};
+
+		uart_a1_pins: uart-a1 {
+			mux {
+				groups = "uart_tx_a1",
+				       "uart_rx_a1";
+				function = "uart_a";
+			};
+		};
+
+		uart_a1_cts_rts_pins: uart-a1-cts-rts {
+			mux {
+				groups = "uart_cts_a1",
+				       "uart_rts_a1";
+				function = "uart_a";
+			};
+		};
 	};
 };