i2c-via.rst 967 B

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  1. =====================
  2. Kernel driver i2c-via
  3. =====================
  4. Supported adapters:
  5. * VIA Technologies, InC. VT82C586B
  6. Datasheet: Publicly available at the VIA website
  7. Author: Kyösti Mälkki <kmalkki@cc.hut.fi>
  8. Description
  9. -----------
  10. i2c-via is an i2c bus driver for motherboards with VIA chipset.
  11. The following VIA pci chipsets are supported:
  12. - MVP3, VP3, VP2/97, VPX/97
  13. - others with South bridge VT82C586B
  14. Your ``lspci`` listing must show this ::
  15. Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
  16. Problems?
  17. ---------
  18. Q:
  19. You have VT82C586B on the motherboard, but not in the listing.
  20. A:
  21. Go to your BIOS setup, section PCI devices or similar.
  22. Turn USB support on, and try again.
  23. Q:
  24. No error messages, but still i2c doesn't seem to work.
  25. A:
  26. This can happen. This driver uses the pins VIA recommends in their
  27. datasheets, but there are several ways the motherboard manufacturer
  28. can actually wire the lines.