diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 43ba2551e2..7790230b39 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -154,6 +154,40 @@ chip soc/intel/tigerlake
 		[PchSerialIoIndexUART2] = PchSerialIoDisabled,
 	}"
 
+	# Set the minimum assertion width
+	# PchPmSlpS3MinAssert:
+	#	- 1: 60us
+	#	- 2: 1ms
+	#	- 3: 50ms
+	#	- 4: 2s
+	register "PchPmSlpS3MinAssert"  = "3"  # 50ms
+	# PchPmSlpS4MinAssert:
+	#	- 1 = 1s
+	#	- 2 = 2s
+	#	- 3 = 3s
+	#	- 4 = 4s
+	register "PchPmSlpS4MinAssert"  = "1"  # 1s
+	# PchPmSlpSusMinAssert:
+	#	- 1 = 0ms
+	#	- 2 = 500ms
+	#	- 3 = 1s
+	#	- 4 = 4s
+	register "PchPmSlpSusMinAssert" = "3"  # 1s
+	# PchPmSlpAMinAssert
+	#	- 1 = 0ms
+	#	- 2 = 4s
+	#	- 3 = 98ms
+	#	- 4 = 2s
+	register "PchPmSlpAMinAssert"   = "3"  # 98ms
+
+	# NOTE: Duration programmed in the below register should never be smaller than the
+	# stretch duration programmed in the following registers -
+	#	- GEN_PMCON_A.SLP_S3_MIN_ASST_WDTH (PchPmSlpS3MinAssert)
+	#	- GEN_PMCON_A.S4MAW (PchPmSlpS4MinAssert)
+	#	- PM_CFG.SLP_A_MIN_ASST_WDTH (PchPmSlpAMinAssert)
+	#	- PM_CFG.SLP_LAN_MIN_ASST_WDTH
+	register "PchPmPwrCycDur" = "1"       # 1s
+
 	# HD Audio
 	register "PchHdaDspEnable" = "1"
 	register "PchHdaAudioLinkHdaEnable" = "0"