diff --git a/arch/x86/dts/galileo.dts b/arch/x86/dts/galileo.dts
index f119bf7f42c9e7d1f156dbb2f4e1790c195b1319..a4e16760d5e3f3c634e3e216f88b08397ec96713 100644
--- a/arch/x86/dts/galileo.dts
+++ b/arch/x86/dts/galileo.dts
@@ -92,6 +92,18 @@
 				PCI_BDF(0, 21, 0) INTA PIRQE
 				PCI_BDF(0, 21, 1) INTB PIRQF
 				PCI_BDF(0, 21, 2) INTC PIRQG
+				PCI_BDF(0, 23, 0) INTA PIRQA
+				PCI_BDF(0, 23, 1) INTB PIRQB
+
+				/* PCIe root ports downstream interrupts */
+				PCI_BDF(1, 0, 0) INTA PIRQA
+				PCI_BDF(1, 0, 0) INTB PIRQB
+				PCI_BDF(1, 0, 0) INTC PIRQC
+				PCI_BDF(1, 0, 0) INTD PIRQD
+				PCI_BDF(2, 0, 0) INTA PIRQB
+				PCI_BDF(2, 0, 0) INTB PIRQC
+				PCI_BDF(2, 0, 0) INTC PIRQD
+				PCI_BDF(2, 0, 0) INTD PIRQA
 			>;
 		};
 	};