diff --git a/src/mainboard/kontron/ktqm77/devicetree.cb b/src/mainboard/kontron/ktqm77/devicetree.cb
index bf87661..e07cdf2 100644
--- a/src/mainboard/kontron/ktqm77/devicetree.cb
+++ b/src/mainboard/kontron/ktqm77/devicetree.cb
@@ -10,9 +10,9 @@
 	end
 
 	device domain 0 on
-		device pci 00.0 on end # host bridge
-		device pci 01.0 on end # PCIe Bridge x16
-		device pci 02.0 on end # vga controller
+		device ref host_bridge on end # host bridge
+		device ref peg10 on end # PCIe Bridge x16
+		device ref igd on end # vga controller
 
 		chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
 			# Enable all SATA ports 0-5
@@ -32,29 +32,29 @@
 			register "xhci_switchable_ports"	= "0x0f"
 			register "superspeed_capable_ports"	= "0x0f"
 
-			device pci 14.0 on end # USB 3.0 Controller
-			device pci 16.0 on end # Management Engine Interface 1
-			device pci 16.1 off end # Management Engine Interface 2
-			device pci 16.2 off end # Management Engine IDE-R
-			device pci 16.3 off end # Management Engine KT
-			device pci 19.0 on end # Intel Gigabit Ethernet
-			device pci 1a.0 on end # USB2 EHCI #2
-			device pci 1b.0 on end # High Definition Audio
+			device ref xhci on end # USB 3.0 Controller
+			device ref mei1 on end # Management Engine Interface 1
+			device ref mei2 off end # Management Engine Interface 2
+			device ref me_ide_r off end # Management Engine IDE-R
+			device ref me_kt off end # Management Engine KT
+			device ref gbe on end # Intel Gigabit Ethernet
+			device ref ehci2 on end # USB2 EHCI #2
+			device ref hda on end # High Definition Audio
 
 			# Disabling 1c.0 might break IRQ settings as it enables port coalescing
 			# There are two mini PCIe x1 sockets, so one PCIe port is unrouted
-			device pci 1c.0 on end # PCIe Port #1 mini PCIe x1?
-			device pci 1c.1 on end # PCIe Port #2 mini PCIe x1?
-			device pci 1c.2 on end # PCIe Port #3 second Ethernet NIC
-			device pci 1c.3 on end # PCIe Port #4 third Ethernet NIC
-			device pci 1c.4 on end # PCIe Port #5 first Ethernet PHY
-			device pci 1c.5 on end # PCIe Port #6 FireWire
-			device pci 1c.6 on end # PCIe Port #7 PCIe x1
-			device pci 1c.7 on end # PCIe Port #8 mini PCIe x1?
+			device ref pcie_rp1 on end # PCIe Port #1 mini PCIe x1?
+			device ref pcie_rp2 on end # PCIe Port #2 mini PCIe x1?
+			device ref pcie_rp3 on end # PCIe Port #3 second Ethernet NIC
+			device ref pcie_rp4 on end # PCIe Port #4 third Ethernet NIC
+			device ref pcie_rp5 on end # PCIe Port #5 first Ethernet PHY
+			device ref pcie_rp6 on end # PCIe Port #6 FireWire
+			device ref pcie_rp7 on end # PCIe Port #7 PCIe x1
+			device ref pcie_rp8 on end # PCIe Port #8 mini PCIe x1?
 
-			device pci 1d.0 on end # USB2 EHCI #1
-			device pci 1e.0 off end # PCI bridge
-			device pci 1f.0 on #LPC bridge
+			device ref ehci1 on end # USB2 EHCI #1
+			device ref pci_bridge off end # PCI bridge
+			device ref lpc on #LPC bridge
 				chip superio/winbond/w83627dhg
 					device pnp 2e.0 off #  Floppy
 					end
@@ -134,10 +134,10 @@
 				end	#ec/kontron/it8516e
 				# TODO: TPM on 4e
 			end # LPC bridge
-			device pci 1f.2 on end # SATA Controller 1
-			device pci 1f.3 on end # SMBus
-			device pci 1f.5 off end # SATA Controller 2
-			device pci 1f.6 off end # Thermal
+			device ref sata1 on end # SATA Controller 1
+			device ref smbus on end # SMBus
+			device ref sata2 off end # SATA Controller 2
+			device ref thermal off end # Thermal
 		end
 	end
 end