diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index c4819663cc..b830912562 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -229,6 +229,7 @@ chip soc/intel/skylake
 	register "speed_shift_enable" = "1"
 
 	register "tcc_offset" = "10"     # TCC of 90C
+	register "psys_pmax" = "101"
 
 	# Lock Down
 	register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"