include/asm-arm/plat-s3c/iic.h

   1 /* linux/include/asm-arm/arch-s3c2410/iic.h
   2  *
   3  * Copyright (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
  13 #ifndef __ASM_ARCH_IIC_H
  14 #define __ASM_ARCH_IIC_H __FILE__
  15
  16 #define S3C_IICFLG_FILTER       (1<<0)  /* enable s3c2440 filter */
  17
  18 /* Notes:
  19  *      1) All frequencies are expressed in Hz
  20  *      2) A value of zero is `do not care`
  21 */
  22
  23 struct s3c2410_platform_i2c {
  24         int             bus_num;        /* bus number to use */
  25         unsigned int    flags;
  26         unsigned int    slave_addr;     /* slave address for controller */
  27         unsigned long   bus_freq;       /* standard bus frequency */
  28         unsigned long   max_freq;       /* max frequency for the bus */
  29         unsigned long   min_freq;       /* min frequency for the bus */
  30         unsigned int    sda_delay;      /* pclks (s3c2440 only) */
  31 };
  32
  33 #endif /* __ASM_ARCH_IIC_H */