tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1What: /sys/devices/platform/<phy-name>/role
2Date: October 2016
3KernelVersion: 4.10
4Contact: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
5Description:
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.