diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index b46af2744135..7c9555309c0a 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -857,6 +857,14 @@ ssi0: ssi-0 {
 				ssi1: ssi-1 {
 				};
 			};
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@0 {
+					reg = <0>;
+				};
+			};
 		};
 
 		xhci0: usb@ee000000 {