diff --git a/arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dts b/arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dts
index 3bb02264cb3e..39fe3f94991e 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dts
@@ -237,6 +237,13 @@
 			power-source = <1800>;
 		};
 	};
+
+	uart0_pins: uart0 {
+		pinmux = <RZV2M_PORT_PINMUX(3, 0, 2)>, /* UATX0 */
+			 <RZV2M_PORT_PINMUX(3, 1, 2)>, /* UARX0 */
+			 <RZV2M_PORT_PINMUX(3, 2, 2)>, /* UACTS0N */
+			 <RZV2M_PORT_PINMUX(3, 3, 2)>; /* UARTS0N */
+	};
 };
 
 &pwc {
@@ -258,6 +265,10 @@
 };
 
 &uart0 {
+	pinctrl-0 = <&uart0_pins>;
+	pinctrl-names = "default";
+
+	uart-has-rtscts;
 	status = "okay";
 };