xref: /linux/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl (revision 71e2f4dd5a65bd8dbca0b77661e75eea471168f8)
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:
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10		0:/i2c@e6500000 1:/i2c@e6508000
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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'.
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