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| author |  Heikki Krogerus <heikki.krogerus@linux.intel.com>
| 2024-02-13 15:00:17 +0200 |
|---|---|---|
| committer |  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2024-02-17 17:02:42 +0100 |
| commit | 9a270ec7bfb0b928ff7c11a4b1f8a026cd20e6b4 (patch) | |
| tree | b756221be63bf48f845020024facb3af41f65918 /Documentation/ABI | |
| parent | dt-bindings: usb/ti,am62-usb.yaml: Add PHY2 register space (diff) | |
| download | linux-9a270ec7bfb0b928ff7c11a4b1f8a026cd20e6b4.tar.gz linux-9a270ec7bfb0b928ff7c11a4b1f8a026cd20e6b4.tar.bz2 linux-9a270ec7bfb0b928ff7c11a4b1f8a026cd20e6b4.zip | |
usb: roles: Link the switch to its connector
This is probable useful information to have in user space in
general, but it's primarily needed for the xHCI DbC (Debug
Capability). When xHCI DbC is being used, the USB port needs
to be muxed to the xHCI even in device role. In xHCI DbC mode,
the xHCI is the USB device controller.
Tested-by: Uday Bhat <uday.m.bhat@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20240213130018.3029991-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-usb_role | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-usb_role b/Documentation/ABI/testing/sysfs-class-usb_role index 3b810a425a52..9fab3f06679e 100644 --- a/Documentation/ABI/testing/sysfs-class-usb_role +++ b/Documentation/ABI/testing/sysfs-class-usb_role @@ -19,3 +19,9 @@ Description: - none - host - device + +What: /sys/class/usb_role/<switch>/connector +Date: Feb 2024 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Optional symlink to the USB Type-C connector. |