diff --git a/include/asm-arm/arch-mx6/iomux-v3.h b/include/asm-arm/arch-mx6/iomux-v3.h
index b67a31f2ae6bbfb2f4f25dafbd3796660264df43..49487fb1ac6baea31812584502029a09d7b961d3 100644
--- a/include/asm-arm/arch-mx6/iomux-v3.h
+++ b/include/asm-arm/arch-mx6/iomux-v3.h
@@ -93,6 +93,7 @@ typedef u64 iomux_v3_cfg_t;
 
 #define NO_PAD_I		0
 #define NO_MUX_I		0
+#define IOMUX_CONFIG_SION	(0x1 << 4)
 
 #define PAD_CTL_PUS_100K_DOWN	(0 << 14)
 #define PAD_CTL_PUS_47K_UP	(1 << 14)
diff --git a/include/asm-arm/arch-mx6/mx6_pins.h b/include/asm-arm/arch-mx6/mx6_pins.h
index a7a2041772975de6144e55e34c57b79826ab7069..bfbf721f35433107707f2c7720ff5c1aafebfd0d 100644
--- a/include/asm-arm/arch-mx6/mx6_pins.h
+++ b/include/asm-arm/arch-mx6/mx6_pins.h
@@ -24,22 +24,6 @@
 
 #include <asm/arch/iomux-v3.h>
 
-/*
- * various IOMUX alternate output functions (1-7)
- */
-typedef enum iomux_config {
-	IOMUX_CONFIG_ALT0,
-	IOMUX_CONFIG_ALT1,
-	IOMUX_CONFIG_ALT2,
-	IOMUX_CONFIG_ALT3,
-	IOMUX_CONFIG_ALT4,
-	IOMUX_CONFIG_ALT5,
-	IOMUX_CONFIG_ALT6,
-	IOMUX_CONFIG_ALT7,
-	IOMUX_CONFIG_GPIO,	/* added to help user use GPIO mode */
-	IOMUX_CONFIG_SION = 0x1 << 4,	/* LOOPBACK:MUX SION bit */
-} iomux_pin_cfg_t;
-
 #define MX6Q_UART_PAD_CTRL	(PAD_CTL_PKE | PAD_CTL_PUE |	\
 		PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 		PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)