diff --git a/src/mainboard/kontron/ktqm77/devicetree.cb b/src/mainboard/kontron/ktqm77/devicetree.cb
index a035628..d17d3735 100644
--- a/src/mainboard/kontron/ktqm77/devicetree.cb
+++ b/src/mainboard/kontron/ktqm77/devicetree.cb
@@ -55,6 +55,22 @@
 
 			register "xhci_switchable_ports"	= "0x0f"
 			register "superspeed_capable_ports"	= "0x0f"
+			register "usb_port_config" = "{
+				{ 1, 0, 0 }, /* P0: lower left USB 3.0 (OC0) */
+				{ 1, 0, 0 }, /* P1: upper left USB 3.0 (OC0) */
+				{ 1, 0, 0 }, /* P2: lower right USB 3.0 (OC0) */
+				{ 1, 0, 0 }, /* P3: upper right USB 3.0 (OC0) */
+				{ 1, 0, 0 }, /* P4: lower USB 2.0 (OC0) */
+				{ 1, 0, 0 }, /* P5: upper USB 2.0 (OC0) */
+				{ 1, 0, 0 }, /* P6: front panel USB 2.0 (OC0) */
+				{ 1, 0, 0 }, /* P7: front panel USB 2.0 (OC0) */
+				{ 1, 0, 4 }, /* P8: internal USB 2.0 (OC4) */
+				{ 1, 0, 4 }, /* P9: internal USB 2.0 (OC4) */
+				{ 1, 0, 4 }, /* P10: internal USB 2.0 (OC4) */
+				{ 1, 0, 4 }, /* P11: internal USB 2.0 (OC4) */
+				{ 1, 0, 4 }, /* P12: internal USB 2.0 (OC4) */
+				{ 1, 0, 4 }, /* P13: internal USB 2.0 (OC4) */
+			}"
 
 			device ref xhci on end # USB 3.0 Controller
 			device ref mei1 on end # Management Engine Interface 1