1 What: /sys/class/usb_role/ 1 What: /sys/class/usb_role/
2 Date: Jan 2018 2 Date: Jan 2018
3 Contact: Heikki Krogerus <heikki.krogeru 3 Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
4 Description: 4 Description:
5 Place in sysfs for USB Role Sw 5 Place in sysfs for USB Role Switches. USB Role Switch is a
6 device that can select the dat 6 device that can select the data role (host or device) for USB
7 port. 7 port.
8 8
9 What: /sys/class/usb_role/<switch>/r 9 What: /sys/class/usb_role/<switch>/role
10 Date: Jan 2018 10 Date: Jan 2018
11 Contact: Heikki Krogerus <heikki.krogeru 11 Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
12 Description: 12 Description:
13 The current role of the switch 13 The current role of the switch. This attribute can be used for
14 requesting role swapping with 14 requesting role swapping with non-USB Type-C ports. With USB
15 Type-C ports, the ABI defined 15 Type-C ports, the ABI defined for USB Type-C connector class
16 must be used. 16 must be used.
17 17
18 Valid values: 18 Valid values:
19 - none 19 - none
20 - host 20 - host
21 - device 21 - device
22 22
23 What: /sys/class/usb_role/<switch>/c 23 What: /sys/class/usb_role/<switch>/connector
24 Date: Feb 2024 24 Date: Feb 2024
25 Contact: Heikki Krogerus <heikki.krogeru 25 Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
26 Description: 26 Description:
27 Optional symlink to the USB Ty 27 Optional symlink to the USB Type-C connector.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.