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diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h
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+/* arch/arm/mach-s3c2410/include/mach/iic.h
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - I2C Controller platfrom_device info
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_IIC_H
+#define __ASM_ARCH_IIC_H __FILE__
+
+#define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */
+
+/* Notes:
+ * 1) All frequencies are expressed in Hz
+ * 2) A value of zero is `do not care`
+*/
+
+struct s3c2410_platform_i2c {
+ int bus_num; /* bus number to use */
+ unsigned int flags;
+ unsigned int slave_addr; /* slave address for controller */
+ unsigned long bus_freq; /* standard bus frequency */
+ unsigned long max_freq; /* max frequency for the bus */
+ unsigned long min_freq; /* min frequency for the bus */
+ unsigned int sda_delay; /* pclks (s3c2440 only) */
+
+ void (*cfg_gpio)(struct platform_device *dev);
+};
+
+/**
+ * s3c_i2c0_set_platdata - set platform data for i2c0 device
+ * @i2c: The platform data to set, or NULL for default data.
+ *
+ * Register the given platform data for use with the i2c0 device. This
+ * call copies the platform data, so the caller can use __initdata for
+ * their copy.
+ *
+ * This call will set cfg_gpio if is null to the default platform
+ * implementation.
+ *
+ * Any user of s3c_device_i2c0 should call this, even if it is with
+ * NULL to ensure that the device is given the default platform data
+ * as the driver will no longer carry defaults.
+ */
+extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
+
+/* defined by architecture to configure gpio */
+extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
+
+#endif /* __ASM_ARCH_IIC_H */