diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 6f4adc4e14..14630a4ace 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -47,6 +47,11 @@ chip soc/intel/cannonlake
 	# Unlock GPIO pads
 	register "PchUnlockGpioPads" = "1"
 
+	# NOTE: if any variant wants to override this value, use the same format
+	# as register "common_soc_config.pch_thermal_trip" = "value", instead of
+	# putting it under register "common_soc_config" in overridetree.cb file.
+	register "common_soc_config.pch_thermal_trip" = "77"
+
 	# VR Settings Configuration for 4 Domains
 	#+----------------+-------+-------+-------+-------+
 	#| Domain/Setting |  SA   |  IA   | GTUS  |  GTS  |
@@ -194,7 +199,7 @@ chip soc/intel/cannonlake
 		device pci 02.0 on  end # Integrated Graphics Device
 		device pci 04.0 off end # SA Thermal device
 		device pci 05.0 off end # SA IPU
-		device pci 12.0 off end # Thermal Subsystem
+		device pci 12.0 on end # Thermal Subsystem
 		device pci 12.5 off end # UFS SCS
 		device pci 12.6 off end # GSPI #2
 		device pci 14.0 on