blob: b6a138b50d994a326e6055bd5f70c8cb207cf6df [file] [log] [blame] [edit]
What: /sys/devices/platform/<i2c-demux-name>/available_masters
Date: January 2016
KernelVersion: 4.6
Contact: Wolfram Sang <wsa+renesas@sang-engineering.com>
Description:
Reading the file will give you a list of masters which can be
selected for a demultiplexed bus. The format is
"<index>:<name>". Example from a Renesas Lager board::
0:/i2c@e6500000 1:/i2c@e6508000
What: /sys/devices/platform/<i2c-demux-name>/current_master
Date: January 2016
KernelVersion: 4.6
Contact: Wolfram Sang <wsa+renesas@sang-engineering.com>
Description:
This file selects/shows the active I2C master for a demultiplexed
bus. It uses the <index> value from the file 'available_masters'.