include/asm-arm/arch-s3c2410/iic.h

   1 /* linux/include/asm-arm/arch-s3c2410/iic.h
   2  *
   3  * (c) 2004 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * S3C2410 - I2C Controller platfrom_device info
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * Changelog:
  13  *      05-Oct-2004 BJD  Created file
  14  *      19-Oct-2004 BJD  Updated for s3c2440
  15 */
  16
  17 #ifndef __ASM_ARCH_IIC_H
  18 #define __ASM_ARCH_IIC_H __FILE__
  19
  20 #define S3C_IICFLG_FILTER       (1<<0)  /* enable s3c2440 filter */
  21
  22 /* Notes:
  23  *      1) All frequencies are expressed in Hz
  24  *      2) A value of zero is `do not care`
  25 */
  26
  27 struct s3c2410_platform_i2c {
  28         unsigned int    flags;
  29         unsigned int    slave_addr;     /* slave address for controller */
  30         unsigned long   bus_freq;       /* standard bus frequency */
  31         unsigned long   max_freq;       /* max frequency for the bus */
  32         unsigned long   min_freq;       /* min frequency for the bus */
  33         unsigned int    sda_delay;      /* pclks (s3c2440 only) */
  34 };
  35
  36 #endif /* __ASM_ARCH_IIC_H */