diff --git a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
index 86db86335d5e..acead2b1c842 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
@@ -35,3 +35,15 @@ &keys {
 	/delete-node/ key-2;
 	/delete-node/ key-3;
 };
+
+&pinctrl {
+	scif0_pins: scif0 {
+		pins = "SCIF0_TXD", "SCIF0_RXD";
+		power-source = <1800>;
+	};
+};
+
+&scif0 {
+	pinctrl-0 = <&scif0_pins>;
+	pinctrl-names = "default";
+};