1 files changed, 21 insertions, 0 deletions

diff --git a/include/asm-arm/arch-mxc/mx31.h b/include/asm-arm/arch-mxc/mx31.h
index 36a1af495bb3..a7373e4a56cb 100644
--- a/include/asm-arm/arch-mxc/mx31.h
+++ b/include/asm-arm/arch-mxc/mx31.h
@@ -320,6 +320,8 @@
 #define MXC_MAX_GPIO_LINES      (GPIO_NUM_PIN * GPIO_PORT_NUM)
 #define MXC_MAX_VIRTUAL_INTS    16
 
+#define NR_IRQS (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES + MXC_MAX_VIRTUAL_INTS)
+
 /*!
  * Number of GPIO port as defined in the IC Spec
  */
@@ -347,6 +349,25 @@
 #define SYSTEM_REV_MIN          CHIP_REV_1_0
 #define SYSTEM_REV_NUM          3
 
+/* gpio and gpio based interrupt handling */
+#define GPIO_DR                 0x00
+#define GPIO_GDIR               0x04
+#define GPIO_PSR                0x08
+#define GPIO_ICR1               0x0C
+#define GPIO_ICR2               0x10
+#define GPIO_IMR                0x14
+#define GPIO_ISR                0x18
+#define GPIO_INT_LOW_LEV        0x0
+#define GPIO_INT_HIGH_LEV       0x1
+#define GPIO_INT_RISE_EDGE      0x2
+#define GPIO_INT_FALL_EDGE      0x3
+#define GPIO_INT_NONE           0x4
+
+/* Mandatory defines used globally */
+
+/* this CPU supports up to 96 GPIOs */
+#define ARCH_NR_GPIOS           96
+
 #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
 
 /* this is a i.MX31 CPU */