1 files changed, 62 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h
new file mode 100644
index 000000000000..3083df00dee6
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/iic.h
@@ -0,0 +1,62 @@
+/* arch/arm/plat-s3c/include/plat/iic.h
+ *
+ * Copyright 2004-2009 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - I2C Controller platform_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 */
+
+/**
+ *      struct s3c2410_platform_i2c - Platform data for s3c I2C.
+ *      @bus_num: The bus number to use (if possible).
+ *      @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER).
+ *      @slave_addr: The I2C address for the slave device (if enabled).
+ *      @frequency: The desired frequency in Hz of the bus.  This is
+ *                  guaranteed to not be exceeded.  If the caller does
+ *                  not care, use zero and the driver will select a
+ *                  useful default.
+ *      @sda_delay: The delay (in ns) applied to SDA edges.
+ *      @cfg_gpio: A callback to configure the pins for I2C operation.
+ */
+struct s3c2410_platform_i2c {
+        int             bus_num;
+        unsigned int    flags;
+        unsigned int    slave_addr;
+        unsigned long   frequency;
+        unsigned int    sda_delay;
+
+        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 */