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kernel / Documentation / ABI / testing / sysfs-platform-i2c-demux-pinctrl
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1What: /sys/devices/platform/<i2c-demux-name>/available_masters 2Date: January 2016 3KernelVersion: 4.6 4Contact: Wolfram Sang <wsa+renesas@sang-engineering.com> 5Description: 6 Reading the file will give you a list of masters which can be 7 selected for a demultiplexed bus. The format is 8 "<index>:<name>". Example from a Renesas Lager board:: 9 10 0:/i2c@e6500000 1:/i2c@e6508000 11 12What: /sys/devices/platform/<i2c-demux-name>/current_master 13Date: January 2016 14KernelVersion: 4.6 15Contact: Wolfram Sang <wsa+renesas@sang-engineering.com> 16Description: 17 This file selects/shows the active I2C master for a demultiplexed 18 bus. It uses the <index> value from the file 'available_masters'.