mlxi2c Utility
The mlxi2c utility provides a way to route the I2C bus to 4th generation (Group I) switches.
The mst driver must be started prior to running mlxi2c.
To start mlxi2c:
Start the mst driver (mst start or mst restart). Note: This step in not required in Windows.
Run mlxi2c with the following command line syntax:
# mlxi2c [switches...] <command> [parameters...]
Switches Options
|
-d <device> |
mst i2c device name default: "/dev/mst/mtusb-1" Affected commands: all |
|
-h |
Print this help information |
|
-s, --i2c-secondary <address> |
Change the I2C secondary address. |
|
-v |
Print version and exit |
Commands
|
p <i2c_component> |
Route the i2c path to the indicated i2c component |
|
scan |
Scan the i2c slave addresses |
Example:
Display the addresses of all I2C-accessible devices:
# mlxi2c -d /dev/mst/mtusb-1 scan