diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
index 815db5dd2f40..3878793364f0 100644
--- a/arch/arm/boot/dts/bcm-cygnus.dtsi
+++ b/arch/arm/boot/dts/bcm-cygnus.dtsi
@@ -184,6 +184,17 @@
 			phy-names = "pcie-phy";
 
 			status = "disabled";
+
+			msi-parent = <&msi0>;
+			msi0: msi@18012000 {
+				compatible = "brcm,iproc-msi";
+				msi-controller;
+				interrupt-parent = <&gic>;
+				interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
+					     <GIC_SPI 97 IRQ_TYPE_NONE>,
+					     <GIC_SPI 98 IRQ_TYPE_NONE>,
+					     <GIC_SPI 99 IRQ_TYPE_NONE>;
+			};
 		};
 
 		pcie1: pcie@18013000 {
@@ -208,6 +219,17 @@
 			phy-names = "pcie-phy";
 
 			status = "disabled";
+
+			msi-parent = <&msi1>;
+			msi1: msi@18013000 {
+				compatible = "brcm,iproc-msi";
+				msi-controller;
+				interrupt-parent = <&gic>;
+				interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>,
+					     <GIC_SPI 103 IRQ_TYPE_NONE>,
+					     <GIC_SPI 104 IRQ_TYPE_NONE>,
+					     <GIC_SPI 105 IRQ_TYPE_NONE>;
+			};
 		};
 
 		uart0: serial@18020000 {