diff --git a/src/soc/intel/pantherlake/chipset_wcl.cb b/src/soc/intel/pantherlake/chipset_wcl.cb
index 4d8d296aa5..ed32d4826d 100644
--- a/src/soc/intel/pantherlake/chipset_wcl.cb
+++ b/src/soc/intel/pantherlake/chipset_wcl.cb
@@ -12,6 +12,9 @@ chip soc/intel/pantherlake
 		[VR_DOMAIN_GT] = 36 * 4,
 	}"
 
+	register "tdc_mode[VR_DOMAIN_IA]" = "TDC_IRMS"
+	register "tdc_time_window_ms[VR_DOMAIN_IA]" = "28000"
+
 	# Reduce the size of BasicMemoryTests to speed up the boot time.
 	register "lower_basic_mem_test_size" = "true"