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Diffstat (limited to 'arch/arm/plat-mxc/include/mach/iomux-v3.h')
-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
*/