Merge tag 'ntb-5.11' of git://github.com/jonmason/ntb
[linux-2.6-microblaze.git] / Documentation / ABI / testing / sysfs-platform-phy-rcar-gen3-usb2
1 What:           /sys/devices/platform/<phy-name>/role
2 Date:           October 2016
3 KernelVersion:  4.10
4 Contact:        Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
5 Description:
6                 This file can be read and write.
7                 The file can show/change the phy mode for role swap of usb.
8
9                 Write the following strings to change the mode:
10
11                  - "host" - switching mode from peripheral to host.
12                  - "peripheral" - switching mode from host to peripheral.
13
14                 Read the file, then it shows the following strings:
15
16                  - "host" - The mode is host now.
17                  - "peripheral" - The mode is peripheral now.