diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
index 417f49090b15..79443fb3f581 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
@@ -144,6 +144,7 @@
 	eth0_pins: eth0 {
 		txc {
 			pinmux = <RZG2L_PORT_PINMUX(1, 0, 1)>; /* ET0_TXC */
+			power-source = <1800>;
 			output-enable;
 		};
 
@@ -161,14 +162,19 @@
 				 <RZG2L_PORT_PINMUX(3, 2, 1)>, /* ET0_RXD0 */
 				 <RZG2L_PORT_PINMUX(3, 3, 1)>, /* ET0_RXD1 */
 				 <RZG2L_PORT_PINMUX(4, 0, 1)>, /* ET0_RXD2 */
-				 <RZG2L_PORT_PINMUX(4, 1, 1)>, /* ET0_RXD3 */
-				 <RZG2L_PORT_PINMUX(5, 1, 7)>; /* IRQ2 */
+				 <RZG2L_PORT_PINMUX(4, 1, 1)>; /* ET0_RXD3 */
+			power-source = <1800>;
+		};
+
+		irq {
+			pinmux = <RZG2L_PORT_PINMUX(5, 1, 7)>; /* IRQ2 */
 		};
 	};
 
 	eth1_pins: eth1 {
 		txc {
 			pinmux = <RZG2L_PORT_PINMUX(7, 0, 1)>; /* ET1_TXC */
+			power-source = <1800>;
 			output-enable;
 		};
 
@@ -186,8 +192,12 @@
 				 <RZG2L_PORT_PINMUX(9, 1, 1)>, /* ET1_RXD0 */
 				 <RZG2L_PORT_PINMUX(9, 2, 1)>, /* ET1_RXD1 */
 				 <RZG2L_PORT_PINMUX(9, 3, 1)>, /* ET1_RXD2 */
-				 <RZG2L_PORT_PINMUX(10, 0, 1)>, /* ET1_RXD3 */
-				 <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
+				 <RZG2L_PORT_PINMUX(10, 0, 1)>; /* ET1_RXD3 */
+			power-source = <1800>;
+		};
+
+		irq {
+			pinmux = <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
 		};
 	};