diff --git a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
index 3ce24b66cb8d..5289efd1a430 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
@@ -162,6 +162,14 @@ rsci3_pins: rsci3 {
 		power-source = <1800>;
 	};
 
+	rspi2_pins: rspi2 {
+		pinmux = <RZG3L_PORT_PINMUX(6, 0, 2)>, /* RSPI2_MISO */
+			 <RZG3L_PORT_PINMUX(6, 1, 2)>, /* RSPI2_MOSI */
+			 <RZG3L_PORT_PINMUX(6, 2, 2)>, /* RSPI2_SCK */
+			 <RZG3L_PORT_PINMUX(6, 3, 2)>; /* RSPI2_SSLA */
+			 power-source = <1800>;
+	};
+
 	scif0_pins: scif0 {
 		pins = "SCIF0_TXD", "SCIF0_RXD";
 		power-source = <1800>;
@@ -206,6 +214,17 @@ &rsci3 {
 };
 #endif
 
+#if !SW_DPI_EN
+&rspi2 {
+	pinctrl-0 = <&rspi2_pins>;
+	pinctrl-names = "default";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	status = "okay";
+};
+#endif
+
 &scif0 {
 	pinctrl-0 = <&scif0_pins>;
 	pinctrl-names = "default";