diff --git a/include/linux/smsc_hub.h b/include/linux/smsc_hub.h
new file mode 100644
index 0000000..9c0afc0
--- /dev/null
+++ b/include/linux/smsc_hub.h
@@ -0,0 +1,57 @@
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_SMSC3503_H__
+#define __LINUX_SMSC3503_H__
+
+#define SMSC3503_ID	3503
+#define SMSC4604_ID	4604
+#define SMSC3503_I2C_ADDR	0x08
+#define SMSC4604_I2C_ADDR	0x2d
+#define SMSC_GSBI_I2C_BUS_ID	0
+
+/*Serial interface Registers*/
+#define SMSC3503_VENDORID	0x00 /*u16 read*/
+#define SMSC3503_PRODUCTID	0x02 /*u16 read*/
+#define SMSC3503_DEVICEID	0x04 /*u16 read*/
+
+#define SMSC3503_CONFIG_BYTE_1	0x06 /*u8 read*/
+#define PORT_PWR	(1<<0)
+#define EOP_DISABLE	(1<<3)
+#define MTT_ENABLE	(1<<4)
+#define HS_DISABLE	(1<<5)
+#define SELF_BUS_PWR	(1<<7)
+
+#define SMSC3503_CONFIG_BYTE_2	0x07 /*u8 read*/
+#define SMSC3503_LANGID		0x11 /*u16 read*/
+#define SMSC3503_MFRSL		0x13 /*u8 read*/
+#define SMSC3503_PRDSL		0x14 /*u8 read*/
+#define SMSC3503_SERSL		0x15 /*u8 read*/
+#define SMSC3503_MANSTR		0x16 /*0x16h-0x53h*/
+#define SMSC3503_PRDSTR		0x54 /*0x54h-0x91h*/
+#define SMSC3503_SERSTR		0x92 /*0x92h-0xCFh*/
+
+#define SMSC3503_SP_ILOCK	0xE7 /*u8 read, set,clear*/
+#define CONFIG_N	(1<<0)
+#define CONNECT_N	(1<<1)
+#define PRTPWRPINSEL	(1<<4)
+#define OCSPINSEL	(1<<5)
+
+struct smsc_hub_platform_data {
+	u32 model_id;
+	int hub_reset;
+	int refclk_gpio;
+	int int_gpio;
+};
+
+#endif