diff --git a/src/mainboard/google/reef/acpi/mainboard.asl b/src/mainboard/google/reef/acpi/mainboard.asl
index 5b6e976093..9665bb291f 100644
--- a/src/mainboard/google/reef/acpi/mainboard.asl
+++ b/src/mainboard/google/reef/acpi/mainboard.asl
@@ -25,6 +25,7 @@ Scope (\_SB)
 		{
 			Return (\_SB.PCI0.LPCB.EC0.LIDS)
 		}
+		Name (_PRW, Package () { GPE_EC_WAKE, 0x3 })
 	}
 
 	Device (PWRB)
diff --git a/src/mainboard/google/reef/ec.h b/src/mainboard/google/reef/ec.h
index 3619c04229..f76c5a8876 100644
--- a/src/mainboard/google/reef/ec.h
+++ b/src/mainboard/google/reef/ec.h
@@ -24,6 +24,14 @@
  */
 #define EC_SCI_GPI	GPE0_DW1_11
 
+/*
+ * On lidopen/lidclose GPIO_22 from North Community gets toggled and
+ * is used in _PRW to wake up device from sleep. GPIO_22 maps to
+ * group GPIO_GPE_N_31_0 and the pad is configured as SCI with
+ * EDGE_SINGLE and INVERT.
+ */
+#define GPE_EC_WAKE	GPE0_DW1_22
+
 #define MAINBOARD_EC_SCI_EVENTS \
 	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED)        |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN)          |\