diff --git a/src/mainboard/google/panther/devicetree.cb b/src/mainboard/google/panther/devicetree.cb
index 1966a308c5..f461c589e2 100644
--- a/src/mainboard/google/panther/devicetree.cb
+++ b/src/mainboard/google/panther/devicetree.cb
@@ -111,6 +111,7 @@ chip northbridge/intel/haswell
 						io 0x60 = 0x700
 						io 0x62 = 0x710
 						irq 0x70 = 0x09
+						irq 0xf4 = 0x20
 						irq 0xfa = 0x12
 					end
 					device pnp 2e.7 on # GPIO