diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index 25ea44d..8aefaa7 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -67,6 +67,11 @@
 #define ARM_PSCI_STACK_SHIFT	10
 #define ARM_PSCI_STACK_SIZE	(1 << ARM_PSCI_STACK_SHIFT)
 
+/* PSCI affinity level state returned by AFFINITY_INFO */
+#define PSCI_AFFINITY_LEVEL_ON		0
+#define PSCI_AFFINITY_LEVEL_OFF		1
+#define PSCI_AFFINITY_LEVEL_ON_PENDING	2
+
 #ifndef __ASSEMBLY__
 #include <asm/types.h>