diff --git a/linux-headers/linux/psci.h b/linux-headers/linux/psci.h
index 5a76763..08d443f 100644
--- a/linux-headers/linux/psci.h
+++ b/linux-headers/linux/psci.h
@@ -46,6 +46,11 @@
 #define PSCI_0_2_FN64_MIGRATE			PSCI_0_2_FN64(5)
 #define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU	PSCI_0_2_FN64(7)
 
+#define PSCI_1_0_FN_PSCI_FEATURES		PSCI_0_2_FN(10)
+#define PSCI_1_0_FN_SYSTEM_SUSPEND		PSCI_0_2_FN(14)
+
+#define PSCI_1_0_FN64_SYSTEM_SUSPEND		PSCI_0_2_FN64(14)
+
 /* PSCI v0.2 power state encoding for CPU_SUSPEND function */
 #define PSCI_0_2_POWER_STATE_ID_MASK		0xffff
 #define PSCI_0_2_POWER_STATE_ID_SHIFT		0
@@ -56,6 +61,13 @@
 #define PSCI_0_2_POWER_STATE_AFFL_MASK		\
 				(0x3 << PSCI_0_2_POWER_STATE_AFFL_SHIFT)
 
+/* PSCI extended power state encoding for CPU_SUSPEND function */
+#define PSCI_1_0_EXT_POWER_STATE_ID_MASK	0xfffffff
+#define PSCI_1_0_EXT_POWER_STATE_ID_SHIFT	0
+#define PSCI_1_0_EXT_POWER_STATE_TYPE_SHIFT	30
+#define PSCI_1_0_EXT_POWER_STATE_TYPE_MASK	\
+				(0x1 << PSCI_1_0_EXT_POWER_STATE_TYPE_SHIFT)
+
 /* PSCI v0.2 affinity level state returned by AFFINITY_INFO */
 #define PSCI_0_2_AFFINITY_LEVEL_ON		0
 #define PSCI_0_2_AFFINITY_LEVEL_OFF		1
@@ -76,6 +88,11 @@
 #define PSCI_VERSION_MINOR(ver)			\
 		((ver) & PSCI_VERSION_MINOR_MASK)
 
+/* PSCI features decoding (>=1.0) */
+#define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT	1
+#define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_MASK	\
+			(0x1 << PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT)
+
 /* PSCI return values (inclusive of all PSCI versions) */
 #define PSCI_RET_SUCCESS			0
 #define PSCI_RET_NOT_SUPPORTED			-1
@@ -86,5 +103,6 @@
 #define PSCI_RET_INTERNAL_FAILURE		-6
 #define PSCI_RET_NOT_PRESENT			-7
 #define PSCI_RET_DISABLED			-8
+#define PSCI_RET_INVALID_ADDRESS		-9
 
 #endif /* _LINUX_PSCI_H */