diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
index 0b69f7d5cf..8b68beb8c3 100644
--- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
@@ -119,6 +119,9 @@ chip soc/intel/jasperlake
 	# SD card power enable polarity
 	register "SdCardPowerEnableActiveHigh" = "1"
 
+	# Enable S0ix support
+	register "s0ix_enable" = "1"
+
 	# Display related UPDs
 	# Select eDP for port A
 	register "DdiPortAConfig" = "1"