diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 4c32f068a1f0..6f2a8bdfa225 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -263,6 +263,13 @@ sound_clk_pins: sound_clk {
 		input-enable;
 	};
 
+	spi1_pins: spi1 {
+		pinmux = <RZG2L_PORT_PINMUX(44, 0, 1)>, /* CK */
+			 <RZG2L_PORT_PINMUX(44, 1, 1)>, /* MOSI */
+			 <RZG2L_PORT_PINMUX(44, 2, 1)>, /* MISO */
+			 <RZG2L_PORT_PINMUX(44, 3, 1)>; /* SSL */
+	};
+
 	ssi0_pins: ssi0 {
 		pinmux = <RZG2L_PORT_PINMUX(45, 0, 1)>, /* BCK */
 			 <RZG2L_PORT_PINMUX(45, 1, 1)>, /* RCK */
@@ -318,6 +325,13 @@ &sdhi1 {
 	status = "okay";
 };
 
+&spi1 {
+	pinctrl-0 = <&spi1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &ssi0 {
 	pinctrl-0 = <&ssi0_pins>;
 	pinctrl-names = "default";