diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-typec')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-typec | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec index 3ee757208122..38e101c17a00 100644 --- a/Documentation/ABI/testing/sysfs-class-typec +++ b/Documentation/ABI/testing/sysfs-class-typec @@ -233,6 +233,20 @@ Description: directory exists, it will have an attribute file for every VDO in Discover Identity command result. +What: /sys/class/typec/<port>-partner/usb_mode +Date: November 2024 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: The USB Modes that the partner device supports. The active mode + is displayed in brackets. The active USB mode can be changed by + writing to this file when the port driver is able to send Data + Reset Message to the partner. That requires USB Power Delivery + contract between the partner and the port. + + Valid values: + - usb2 (USB 2.0) + - usb3 (USB 3.2) + - usb4 (USB4) + USB Type-C cable devices (eg. /sys/class/typec/port0-cable/) Note: Electronically Marked Cables will have a device also for one cable plug |