diff --git a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
index 862968efd4..285db4aa96 100644
--- a/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldrenite/overridetree.cb
@@ -7,6 +7,10 @@ fw_config
 		option TOUCHSCREEN_UNKNOWN	0
 		option TOUCHSCREEN_NONE		1
 	end
+	field MB_TYPEC 7 7
+		option MB_C_TWO			0
+		option MB_C_ONE			1
+	end
 end
 
 chip soc/intel/alderlake
@@ -250,7 +254,9 @@ chip soc/intel/alderlake
 						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
 						register "use_custom_pld" = "true"
 						register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, RIGHT, ACPI_PLD_GROUP(2, 1))"
-						device ref tcss_usb3_port2 on end
+						device ref tcss_usb3_port2 on
+							probe MB_TYPEC MB_C_TWO
+						end
 					end
 				end
 			end
@@ -270,7 +276,9 @@ chip soc/intel/alderlake
 						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
 						register "use_custom_pld" = "true"
 						register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(2, 1))"
-						device ref usb2_port2 on end
+						device ref usb2_port2 on
+							probe MB_TYPEC MB_C_TWO
+						end
 					end
 					chip drivers/usb/acpi
 						register "desc" = ""USB2 Type-A Port A0 (MLB)""