diff --git a/src/mainboard/google/volteer/dsdt.asl b/src/mainboard/google/volteer/dsdt.asl
index 450835db03..e2dcaef3f1 100644
--- a/src/mainboard/google/volteer/dsdt.asl
+++ b/src/mainboard/google/volteer/dsdt.asl
@@ -31,6 +31,7 @@ DefinitionBlock(
 		{
 			#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
 			#include <soc/intel/tigerlake/acpi/southbridge.asl>
+			#include <soc/intel/tigerlake/acpi/tcss.asl>
 		}
 		/* Mainboard hooks */
 		#include "mainboard.asl"