eeprom.h 703 B

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  1. #ifndef __LINUX_SPI_EEPROM_H
  2. #define __LINUX_SPI_EEPROM_H
  3. /*
  4. * Put one of these structures in platform_data for SPI EEPROMS handled
  5. * by the "at25" driver. On SPI, most EEPROMS understand the same core
  6. * command set. If you need to support EEPROMs that don't yet fit, add
  7. * flags to support those protocol options. These values all come from
  8. * the chip datasheets.
  9. */
  10. struct spi_eeprom {
  11. u32 byte_len;
  12. char name[10];
  13. u16 page_size; /* for writes */
  14. u16 flags;
  15. #define EE_ADDR1 0x0001 /* 8 bit addrs */
  16. #define EE_ADDR2 0x0002 /* 16 bit addrs */
  17. #define EE_ADDR3 0x0004 /* 24 bit addrs */
  18. #define EE_READONLY 0x0008 /* disallow writes */
  19. };
  20. #endif /* __LINUX_SPI_EEPROM_H */