forked from Minki/linux
ccf988b66d
Convert each file at I2C subsystem, renaming them to .rst and adding to the driver-api book. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
83 lines
2.5 KiB
ReStructuredText
83 lines
2.5 KiB
ReStructuredText
========================
|
|
Kernel driver i2c-sis96x
|
|
========================
|
|
|
|
Replaces 2.4.x i2c-sis645
|
|
|
|
Supported adapters:
|
|
|
|
* Silicon Integrated Systems Corp (SiS)
|
|
|
|
Any combination of these host bridges:
|
|
645, 645DX (aka 646), 648, 650, 651, 655, 735, 745, 746
|
|
|
|
and these south bridges:
|
|
961, 962, 963(L)
|
|
|
|
Author: Mark M. Hoffman <mhoffman@lightlink.com>
|
|
|
|
Description
|
|
-----------
|
|
|
|
This SMBus only driver is known to work on motherboards with the above
|
|
named chipset combinations. The driver was developed without benefit of a
|
|
proper datasheet from SiS. The SMBus registers are assumed compatible with
|
|
those of the SiS630, although they are located in a completely different
|
|
place. Thanks to Alexander Malysh <amalysh@web.de> for providing the
|
|
SiS630 datasheet (and driver).
|
|
|
|
The command ``lspci`` as root should produce something like these lines::
|
|
|
|
00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645
|
|
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513
|
|
00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
|
|
|
|
or perhaps this::
|
|
|
|
00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645
|
|
00:02.0 ISA bridge: Silicon Integrated Systems [SiS]: Unknown device 0961
|
|
00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
|
|
|
|
(kernel versions later than 2.4.18 may fill in the "Unknown"s)
|
|
|
|
If you can't see it please look on quirk_sis_96x_smbus
|
|
(drivers/pci/quirks.c) (also if southbridge detection fails)
|
|
|
|
I suspect that this driver could be made to work for the following SiS
|
|
chipsets as well: 635, and 635T. If anyone owns a board with those chips
|
|
AND is willing to risk crashing & burning an otherwise well-behaved kernel
|
|
in the name of progress... please contact me at <mhoffman@lightlink.com> or
|
|
via the linux-i2c mailing list: <linux-i2c@vger.kernel.org>. Please send bug
|
|
reports and/or success stories as well.
|
|
|
|
|
|
TO DOs
|
|
------
|
|
|
|
* The driver does not support SMBus block reads/writes; I may add them if a
|
|
scenario is found where they're needed.
|
|
|
|
|
|
Thank You
|
|
---------
|
|
|
|
Mark D. Studebaker <mdsxyz123@yahoo.com>
|
|
- design hints and bug fixes
|
|
|
|
Alexander Maylsh <amalysh@web.de>
|
|
- ditto, plus an important datasheet... almost the one I really wanted
|
|
|
|
Hans-Günter Lütke Uphues <hg_lu@t-online.de>
|
|
- patch for SiS735
|
|
|
|
Robert Zwerus <arzie@dds.nl>
|
|
- testing for SiS645DX
|
|
|
|
Kianusch Sayah Karadji <kianusch@sk-tech.net>
|
|
- patch for SiS645DX/962
|
|
|
|
Ken Healy
|
|
- patch for SiS655
|
|
|
|
To anyone else who has written w/ feedback, thanks!
|