diff --git a/src/mainboard/google/rex/variants/ovis/overridetree.cb b/src/mainboard/google/rex/variants/ovis/overridetree.cb
index 17d75cb019..2c49c4c9bc 100644
--- a/src/mainboard/google/rex/variants/ovis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/ovis/overridetree.cb
@@ -53,6 +53,73 @@ chip soc/intel/meteorlake
 	device domain 0 on
 		device ref dtt on
 			chip drivers/intel/dptf
+				## sensor information
+				register "options.tsr[0].desc" = ""DDR_SOC""
+				register "options.tsr[1].desc" = ""Ambient""
+
+				## Active Policy
+				# FIXME: below values are initial reference values only
+				register "policies.active" = "{
+						[0] = {
+							.target = DPTF_TEMP_SENSOR_0,
+							.thresholds = {
+									TEMP_PCT(75, 90),
+									TEMP_PCT(70, 80),
+									TEMP_PCT(65, 70),
+									TEMP_PCT(60, 60),
+									TEMP_PCT(55, 50),
+									TEMP_PCT(50, 40),
+									TEMP_PCT(45, 30),
+								}
+							},
+						[1] = {
+							.target = DPTF_TEMP_SENSOR_1,
+							.thresholds = {
+									TEMP_PCT(75, 90),
+									TEMP_PCT(70, 80),
+									TEMP_PCT(65, 70),
+									TEMP_PCT(60, 60),
+									TEMP_PCT(55, 50),
+									TEMP_PCT(50, 40),
+									TEMP_PCT(45, 30),
+								}
+							},
+				}"
+
+				## Passive Policy
+				# TODO: below values are initial reference values only
+				register "policies.passive" = "{
+						[0] = DPTF_PASSIVE(CPU,         CPU,           95, 5000),
+						[1] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_0, 80, 5000),
+						[2] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_1, 80, 5000),
+				}"
+
+				## Critical Policy
+				# TODO: below values are initial reference values only
+				register "policies.critical" = "{
+						[0] = DPTF_CRITICAL(CPU,          105, SHUTDOWN),
+						[1] = DPTF_CRITICAL(TEMP_SENSOR_0, 85, SHUTDOWN),
+						[2] = DPTF_CRITICAL(TEMP_SENSOR_1, 85, SHUTDOWN),
+				}"
+
+				## Power Limits Control
+				register "controls.power_limits" = "{
+						.pl1 = {
+							.min_power = 28000,
+							.max_power = 28000,
+							.time_window_min = 28 * MSECS_PER_SEC,
+							.time_window_max = 32 * MSECS_PER_SEC,
+							.granularity = 200,
+						},
+						.pl2 = {
+							.min_power = 64000,
+							.max_power = 64000,
+							.time_window_min = 28 * MSECS_PER_SEC,
+							.time_window_max = 32 * MSECS_PER_SEC,
+							.granularity = 1000,
+						}
+				}"
+
 				device generic 0 alias dptf_policy on end
 			end
 		end