minimal-linux-script/linux-5.11.6/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl
2023-11-16 23:19:36 -05:00

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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'.