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                  "host" - switching mode from peripheral to host.
  11                  "peripheral" - switching mode from host to peripheral.
  12
  13                 Read the file, then it shows the following strings:
  14                  "host" - The mode is host now.
  15                  "peripheral" - The mode is peripheral now.