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| author | Jean Delvare <khali@linux-fr.org> | 2006-06-12 21:48:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-22 11:10:35 -0700 |
| commit | 62aaa288ab0425b058fd337c5135a32e8c1aeace (patch) | |
| tree | b189c6a1f203042910a602dd0f7d2aa96b57e544 /Documentation/i2c | |
| parent | 9917392608c6d8b8952bce9f7b5867b1e9149235 (diff) | |
| download | linux-62aaa288ab0425b058fd337c5135a32e8c1aeace.tar.bz2 | |
[PATCH] scx200_acb: Documentation update
Documentation update for the scx200_acb driver. Hopefully this will
help future users.
References:
[lm-sensors] Support of i2c-nscacb (April, May 2005)
http://lists.lm-sensors.org/pipermail/lm-sensors/2005-April/011756.html
http://lists.lm-sensors.org/pipermail/lm-sensors/2005-May/012043.html
[lm-sensors] making a geode i2c slave driver (April 2006)
http://lists.lm-sensors.org/pipermail/lm-sensors/2006-April/015998.html
Kernel bug #6445
http://bugzilla.kernel.org/show_bug.cgi?id=6445
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/i2c')
| -rw-r--r-- | Documentation/i2c/busses/scx200_acb | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/i2c/busses/scx200_acb b/Documentation/i2c/busses/scx200_acb index f50e69981ec6..7c07883d4dfc 100644 --- a/Documentation/i2c/busses/scx200_acb +++ b/Documentation/i2c/busses/scx200_acb @@ -2,14 +2,31 @@ Kernel driver scx200_acb Author: Christer Weinigel <wingel@nano-system.com> +The driver supersedes the older, never merged driver named i2c-nscacb. + Module Parameters ----------------- -* base: int +* base: up to 4 ints Base addresses for the ACCESS.bus controllers on SCx200 and SC1100 devices + By default the driver uses two base addresses 0x820 and 0x840. + If you want only one base address, specify the second as 0 so as to + override this default. + Description ----------- Enable the use of the ACCESS.bus controller on the Geode SCx200 and SC1100 processors and the CS5535 and CS5536 Geode companion devices. + +Device-specific notes +--------------------- + +The SC1100 WRAP boards are known to use base addresses 0x810 and 0x820. +If the scx200_acb driver is built into the kernel, add the following +parameter to your boot command line: + scx200_acb.base=0x810,0x820 +If the scx200_acb driver is built as a module, add the following line to +the file /etc/modprobe.conf instead: + options scx200_acb base=0x810,0x820 |