1Kernel driver i2c-ismt 2 3Supported adapters: 4 * Intel S12xx series SOCs 5 6Authors: 7 Bill Brown <bill.e.brown@intel.com> 8 9 10Module Parameters 11----------------- 12 13* bus_speed (unsigned int) 14Allows changing of the bus speed. Normally, the bus speed is set by the BIOS 15and never needs to be changed. However, some SMBus analyzers are too slow for 16monitoring the bus during debug, thus the need for this module parameter. 17Specify the bus speed in kHz. 18Available bus frequency settings: 19 0 no change 20 80 kHz 21 100 kHz 22 400 kHz 23 1000 kHz 24 25 26Description 27----------- 28 29The S12xx series of SOCs have a pair of integrated SMBus 2.0 controllers 30targeted primarily at the microserver and storage markets. 31 32The S12xx series contain a pair of PCI functions. An output of lspci will show 33something similar to the following: 34 35 00:13.0 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 0 36 00:13.1 System peripheral: Intel Corporation Centerton SMBus 2.0 Controller 1 37