diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index eb0de21d6716..3b571c096752 100644
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -126,6 +126,14 @@ raa215300: pmic@12 {
 	};
 };
 
+&i3c {
+	pinctrl-0 = <&i3c_pins>;
+	pinctrl-names = "default";
+	i2c-scl-hz = <400000>;
+	i3c-scl-hz = <12500000>;
+	status = "okay";
+};
+
 &mdio0 {
 	phy0: ethernet-phy@7 {
 		compatible = "ethernet-phy-id0022.1640",
@@ -223,6 +231,12 @@ i2c2_pins: i2c {
 			 <RZG3E_PORT_PINMUX(3, 5, 1)>; /* SDA2 */
 	};
 
+	i3c_pins: i3c {
+		pinmux = <RZG3E_PORT_PINMUX(2, 0, 2)>, /* I3C0_SCL */
+			 <RZG3E_PORT_PINMUX(2, 1, 2)>; /* I3C0_SDA */
+		drive-push-pull;
+	};
+
 	rtc_irq_pin: rtc-irq {
 		pins = "PS1";
 		bias-pull-up;