diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 99f922f244..b0e2da21ce 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -119,6 +119,11 @@
 #define GPE0_STS(x)		(0x20 + (x * 4))
 #define GPE0_EN(x)		(0x30 + (x * 4))
 #define   PME_B0_EN		(1 << 13)
+/*
+ * Enables the setting of the GPIO_TIER1_SCI_STS bit to generate a wake event
+ * and/or an SCI or SMI#.
+ */
+#define GPIO_TIER_1_SCI		(1 << 15)
 
 /* Memory mapped IO registers behind PMC_BASE_ADDRESS */
 #define PRSTS			0x1000