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Documentation / i2c / busses / i2c-via


Based on kernel version 4.16.1. Page generated on 2018-04-09 11:53 EST.

1	Kernel driver i2c-via
2	
3	Supported adapters:
4	  * VIA Technologies, InC. VT82C586B
5	    Datasheet: Publicly available at the VIA website
6	
7	Author: Kyösti Mälkki <kmalkki@cc.hut.fi>
8	
9	Description
10	-----------
11	
12	i2c-via is an i2c bus driver for motherboards with VIA chipset.
13	
14	The following VIA pci chipsets are supported:
15	 - MVP3, VP3, VP2/97, VPX/97 
16	 - others with South bridge VT82C586B
17	
18	Your lspci listing must show this :
19	
20	 Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
21	
22	    Problems?
23	 
24	 Q: You have VT82C586B on the motherboard, but not in the listing. 
25	 
26	 A: Go to your BIOS setup, section PCI devices or similar.
27	    Turn USB support on, and try again. 
28	
29	 Q: No error messages, but still i2c doesn't seem to work.
30	
31	 A: This can happen. This driver uses the pins VIA recommends in their
32	    datasheets, but there are several ways the motherboard manufacturer
33	    can actually wire the lines.
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