diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 0c581a51f2..300fb7e729 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -222,6 +222,8 @@ chip soc/intel/tigerlake
 
 	register "Device4Enable" = "1"
 
+	register "tcc_offset" = "10"     # TCC of 90
+
 	# Intel Common SoC Config
 	#+-------------------+---------------------------+
 	#| Field             |  Value                    |