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Diffstat (limited to 'Documentation/i2c/busses/i2c-via')
| -rw-r--r-- | Documentation/i2c/busses/i2c-via | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/i2c/busses/i2c-via b/Documentation/i2c/busses/i2c-via new file mode 100644 index 00000000000..55edfe1a640 --- /dev/null +++ b/Documentation/i2c/busses/i2c-via @@ -0,0 +1,34 @@ +Kernel driver i2c-via + +Supported adapters: + * VIA Technologies, InC. VT82C586B + Datasheet: Publicly available at the VIA website + +Author: Kyösti Mälkki <kmalkki@cc.hut.fi> + +Description +----------- + +i2c-via is an i2c bus driver for motherboards with VIA chipset. + +The following VIA pci chipsets are supported: + - MVP3, VP3, VP2/97, VPX/97 + - others with South bridge VT82C586B + +Your lspci listing must show this : + + Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10) + + Problems? + + Q: You have VT82C586B on the motherboard, but not in the listing. + + A: Go to your BIOS setup, section PCI devices or similar. + Turn USB support on, and try again. + + Q: No error messages, but still i2c doesn't seem to work. + + A: This can happen. This driver uses the pins VIA recommends in their + datasheets, but there are several ways the motherboard manufacturer + can actually wire the lines. + |