1 files changed, 82 insertions, 0 deletions
diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb
index a0e83b2b2f..c41be4b195 100644
--- a/src/mainboard/google/brox/variants/brox/overridetree.cb
+++ b/src/mainboard/google/brox/variants/brox/overridetree.cb
@@ -25,6 +25,88 @@ end
 
 chip soc/intel/alderlake
 	device domain 0 on
+		device ref dtt on
+			chip drivers/intel/dptf
+				## sensor information
+				register "options.tsr[0].desc" = ""DRAM_SOC""
+				register "options.tsr[1].desc" = ""Fan-Inlet""
+
+				# TODO: below values are initial reference values only
+				## Active Policy
+				register "policies.active" = "{
+						[0] = {
+								.target = DPTF_TEMP_SENSOR_1,
+								.thresholds = {
+												TEMP_PCT(85, 90),
+												TEMP_PCT(80, 80),
+												TEMP_PCT(75, 70),
+												TEMP_PCT(70, 60),
+												TEMP_PCT(65, 50),
+												TEMP_PCT(60, 40),
+								}
+						}
+				}"
+
+				## Passive Policy
+				register "policies.passive" = "{
+						[0] = DPTF_PASSIVE(CPU,		CPU,		   97, 5000),
+						[1] = DPTF_PASSIVE(CPU,		TEMP_SENSOR_0, 85, 5000),
+						[2] = DPTF_PASSIVE(CHARGER,	TEMP_SENSOR_1, 85, 5000),
+				}"
+
+				## Critical Policy
+				register "policies.critical" = "{
+						[0] = DPTF_CRITICAL(CPU,               105, SHUTDOWN),
+						[1] = DPTF_CRITICAL(TEMP_SENSOR_0,      95, SHUTDOWN),
+						[2] = DPTF_CRITICAL(TEMP_SENSOR_1,      95, SHUTDOWN),
+				}"
+
+				register "controls.power_limits" = "{
+						.pl1 = {
+									.min_power = 15000,
+									.max_power = 15000,
+									.time_window_min = 28 * MSECS_PER_SEC,
+									.time_window_max = 32 * MSECS_PER_SEC,
+									.granularity = 200,
+								},
+						.pl2 = {
+									.min_power = 55000,
+									.max_power = 55000,
+									.time_window_min = 28 * MSECS_PER_SEC,
+									.time_window_max = 32 * MSECS_PER_SEC,
+									.granularity = 1000,
+								}
+				}"
+
+				## Charger Performance Control (Control, mA)
+				register "controls.charger_perf" = "{
+						[0] = { 255, 1700 },
+						[1] = {  24, 1500 },
+						[2] = {  16, 1000 },
+						[3] = {   8,  500 }
+				}"
+
+				## Fan Performance Control (Percent, Speed, Noise, Power)
+				register "controls.fan_perf" = "{
+						[0] = {  90, 6700, 220, 2200, },
+						[1] = {  80, 5800, 180, 1800, },
+						[2] = {  70, 5000, 145, 1450, },
+						[3] = {  60, 4900, 115, 1150, },
+						[4] = {  50, 3838,  90,  900, },
+						[5] = {  40, 2904,  55,  550, },
+						[6] = {  30, 2337,  30,  300, },
+						[7] = {  20, 1608,  15,  150, },
+						[8] = {  10,  800,  10,  100, },
+						[9] = {   0,    0,   0,   50, }
+				}"
+
+				## Fan options
+				register "options.fan.fine_grained_control" = "1"
+				register "options.fan.step_size" = "2"
+
+				device generic 0 on end
+			end
+		end # DTT
 		device ref igpu on
 			chip drivers/gfx/generic
 				register "device_count" = "6"