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lastdragon
2026-09-06 12:53:21 -06:00
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linux-7.2.3/Documentation/ABI/testing/sysfs-platform-phy-rcar-gen3-usb2
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What: /sys/devices/platform/<phy-name>/role
Date: October 2016
KernelVersion: 4.10
Contact: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Description:
This file can be read and write.
The file can show/change the phy mode for role swap of usb.
Write the following strings to change the mode:
- "host" - switching mode from peripheral to host.
- "peripheral" - switching mode from host to peripheral.
Read the file, then it shows the following strings:
- "host" - The mode is host now.
- "peripheral" - The mode is peripheral now.