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-rw-r--r--arch/arm/plat-mxc/include/mach/iomux-v3.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h
index f2f73d31d5ba..0880a4a1aed1 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-v3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h
@@ -89,6 +89,21 @@ struct pad_desc {
 #define PAD_CTL_SRE_FAST		(1 << 0)
 #define PAD_CTL_SRE_SLOW		(0 << 0)
 
+
+#define MX51_NUM_GPIO_PORT	4
+
+#define GPIO_PIN_MASK 0x1f
+
+#define GPIO_PORT_SHIFT 5
+#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
+
+#define GPIO_PORTA	(0 << GPIO_PORT_SHIFT)
+#define GPIO_PORTB	(1 << GPIO_PORT_SHIFT)
+#define GPIO_PORTC	(2 << GPIO_PORT_SHIFT)
+#define GPIO_PORTD	(3 << GPIO_PORT_SHIFT)
+#define GPIO_PORTE	(4 << GPIO_PORT_SHIFT)
+#define GPIO_PORTF	(5 << GPIO_PORT_SHIFT)
+
 /*
  * setups a single pad in the iomuxer
  */