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-rw-r--r--src/mainboard/google/hatch/variants/baseboard/devicetree.cb10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 2d3156ae6b..cb314ab6a2 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -142,7 +142,15 @@ chip soc/intel/cannonlake
register "PchPmSlpS3MinAssert" = "2" # 50ms
register "PchPmSlpS4MinAssert" = "1" # 1s
register "PchPmSlpSusMinAssert" = "1" # 500ms
- register "PchPmSlpAMinAssert" = "3" # 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
# Enable Audio DSP oscillator qualification for S0ix
register "cppmvric2_adsposcdis" = "1"