diff options
Diffstat (limited to 'Documentation/i2c/busses')
| -rw-r--r-- | Documentation/i2c/busses/i2c-i801 | 2 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-ismt | 36 | ||||
| -rw-r--r-- | Documentation/i2c/busses/i2c-sis630 | 9 |
3 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index 157416e78cc4..d55b8ab2d10f 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -22,6 +22,8 @@ Supported adapters: * Intel Panther Point (PCH) * Intel Lynx Point (PCH) * Intel Lynx Point-LP (PCH) + * Intel Avoton (SOC) + * Intel Wellsburg (PCH) Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller diff --git a/Documentation/i2c/busses/i2c-ismt b/Documentation/i2c/busses/i2c-ismt new file mode 100644 index 000000000000..737355822c0b --- /dev/null +++ b/Documentation/i2c/busses/i2c-ismt @@ -0,0 +1,36 @@ +Kernel driver i2c-ismt + +Supported adapters: + * Intel S12xx series SOCs + +Authors: + Bill Brown <bill.e.brown@intel.com> + + +Module Parameters +----------------- + +* bus_speed (unsigned int) +Allows changing of the bus speed. Normally, the bus speed is set by the BIOS +and never needs to be changed. However, some SMBus analyzers are too slow for +monitoring the bus during debug, thus the need for this module parameter. +Specify the bus speed in kHz. +Available bus frequency settings: + 0 no change + 80 kHz + 100 kHz + 400 kHz + 1000 kHz + + +Description +----------- + +The S12xx series of SOCs have a pair of integrated SMBus 2.0 controllers +targeted primarily at the microserver and storage markets. + +The S12xx series contain a pair of PCI functions. An output of lspci will show +something similar to the following: + + 00:13.0 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 0 + 00:13.1 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 1 diff --git a/Documentation/i2c/busses/i2c-sis630 b/Documentation/i2c/busses/i2c-sis630 index 0b9697366930..ee7943631074 100644 --- a/Documentation/i2c/busses/i2c-sis630 +++ b/Documentation/i2c/busses/i2c-sis630 @@ -4,9 +4,11 @@ Supported adapters: * Silicon Integrated Systems Corp (SiS) 630 chipset (Datasheet: available at http://www.sfr-fresh.com/linux) 730 chipset + 964 chipset * Possible other SiS chipsets ? Author: Alexander Malysh <amalysh@web.de> + Amaury Decrême <amaury.decreme@gmail.com> - SiS964 support Module Parameters ----------------- @@ -18,6 +20,7 @@ Module Parameters * high_clock = [1|0] Forcibly set Host Master Clock to 56KHz (default, what your BIOS use). DANGEROUS! This should be a bit faster, but freeze some systems (i.e. my Laptop). + SIS630/730 chip only. Description @@ -36,6 +39,12 @@ or like this: 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 730 Host (rev 02) 00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 +or like this: + +00:00.0 Host bridge: Silicon Integrated Systems [SiS] 760/M760 Host (rev 02) +00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS964 [MuTIOL Media IO] + LPC Controller (rev 36) + in your 'lspci' output , then this driver is for your chipset. Thank You |