diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 45e2d8c..5cb9d41 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -21,7 +21,10 @@
 #define GIC_CPU_ACTIVEPRIO		0xd0
 #define GIC_CPU_IDENT			0xfc
 
+#define GICC_ENABLE			0x1
+#define GICC_INT_PRI_THRESHOLD		0xf0
 #define GICC_IAR_INT_ID_MASK		0x3ff
+#define GICC_INT_SPURIOUS		1023
 
 #define GIC_DIST_CTRL			0x000
 #define GIC_DIST_CTR			0x004
@@ -39,6 +42,18 @@
 #define GIC_DIST_SGI_PENDING_CLEAR	0xf10
 #define GIC_DIST_SGI_PENDING_SET	0xf20
 
+#define GICD_ENABLE			0x1
+#define GICD_DISABLE			0x0
+#define GICD_INT_ACTLOW_LVLTRIG		0x0
+#define GICD_INT_EN_CLR_X32		0xffffffff
+#define GICD_INT_EN_SET_SGI		0x0000ffff
+#define GICD_INT_EN_CLR_PPI		0xffff0000
+#define GICD_INT_DEF_PRI		0xa0
+#define GICD_INT_DEF_PRI_X4		((GICD_INT_DEF_PRI << 24) |\
+					(GICD_INT_DEF_PRI << 16) |\
+					(GICD_INT_DEF_PRI << 8) |\
+					GICD_INT_DEF_PRI)
+
 #define GICH_HCR			0x0
 #define GICH_VTR			0x4
 #define GICH_VMCR			0x8