iic.h 1.0 KB

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  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. #ifndef __ASM_ARCH_IIC_H
  17. #define __ASM_ARCH_IIC_H __FILE__
  18. #define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */
  19. /* Notes:
  20. * 1) All frequencies are expressed in Hz
  21. * 2) A value of zero is `do not care`
  22. */
  23. struct s3c2410_platform_i2c {
  24. unsigned int flags;
  25. unsigned int slave_addr; /* slave address for controller */
  26. unsigned long bus_freq; /* standard bus frequency */
  27. unsigned long max_freq; /* max frequency for the bus */
  28. unsigned long min_freq; /* min frequency for the bus */
  29. unsigned int sda_delay; /* pclks (s3c2440 only) */
  30. };
  31. #endif /* __ASM_ARCH_IIC_H */