X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=Documentation%2Fi2c%2Fbusses%2Fi2c-viapro;h=16775663b9f5a5f9831fa2e251299352cced3ec7;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=702f5ac68c09d8db298bf5651cd172ad1bda96e9;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro index 702f5ac68..16775663b 100644 --- a/Documentation/i2c/busses/i2c-viapro +++ b/Documentation/i2c/busses/i2c-viapro @@ -4,17 +4,16 @@ Supported adapters: * VIA Technologies, Inc. VT82C596A/B Datasheet: Sometimes available at the VIA website - * VIA Technologies, Inc. VT82C686A/B + * VIA Technologies, Inc. VT82C686A/B Datasheet: Sometimes available at the VIA website - * VIA Technologies, Inc. VT8231, VT8233, VT8233A, VT8235, VT8237 - Datasheet: available on request from Via + * VIA Technologies, Inc. VT8231, VT8233, VT8233A, VT8235, VT8237R + Datasheet: available on request from VIA Authors: - Frodo Looijaard , - Philip Edelbrock , - Kyösti Mälkki , - Mark D. Studebaker + Kyösti Mälkki , + Mark D. Studebaker , + Jean Delvare Module Parameters ----------------- @@ -28,20 +27,22 @@ Description ----------- i2c-viapro is a true SMBus host driver for motherboards with one of the -supported VIA southbridges. +supported VIA south bridges. Your lspci -n listing must show one of these : - device 1106:3050 (VT82C596 function 3) - device 1106:3051 (VT82C596 function 3) + device 1106:3050 (VT82C596A function 3) + device 1106:3051 (VT82C596B function 3) device 1106:3057 (VT82C686 function 4) device 1106:3074 (VT8233) device 1106:3147 (VT8233A) - device 1106:8235 (VT8231) - devide 1106:3177 (VT8235) - devide 1106:3227 (VT8237) + device 1106:8235 (VT8231 function 4) + device 1106:3177 (VT8235) + device 1106:3227 (VT8237R) If none of these show up, you should look in the BIOS for settings like enable ACPI / SMBus or even USB. - +Except for the oldest chips (VT82C596A/B, VT82C686A and most probably +VT8231), this driver supports I2C block transactions. Such transactions +are mainly useful to read from and write to EEPROMs.