diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index 335093da6573..875b93856a64 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -947,6 +947,7 @@ pcie: pcie@66000000 {
 
 			pcie_intc: legacy-interrupt-controller {
 				interrupt-controller;
+				#address-cells = <0>;
 				#interrupt-cells = <1>;
 				interrupt-parent = <&gic>;
 				interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>;