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Diffstat (limited to 'Documentation/ABI/obsolete/sysfs-class-typec')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-class-typec | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-class-typec b/Documentation/ABI/obsolete/sysfs-class-typec new file mode 100644 index 000000000000..32623514ee87 --- /dev/null +++ b/Documentation/ABI/obsolete/sysfs-class-typec @@ -0,0 +1,48 @@ +These files are deprecated and will be removed. The same files are available +under /sys/bus/typec (see Documentation/ABI/testing/sysfs-bus-typec). + +What: /sys/class/typec/<port|partner|cable>/<dev>/svid +Date: April 2017 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + The SVID (Standard or Vendor ID) assigned by USB-IF for this + alternate mode. + +What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/ +Date: April 2017 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Every supported mode will have its own directory. The name of + a mode will be "mode<index>" (for example mode1), where <index> + is the actual index to the mode VDO returned by Discover Modes + USB power delivery command. + +What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/description +Date: April 2017 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Shows description of the mode. The description is optional for + the drivers, just like with the Billboard Devices. + +What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/vdo +Date: April 2017 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Shows the VDO in hexadecimal returned by Discover Modes command + for this mode. + +What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/active +Date: April 2017 +Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> +Description: + Shows if the mode is active or not. The attribute can be used + for entering/exiting the mode with partners and cable plugs, and + with the port alternate modes it can be used for disabling + support for specific alternate modes. Entering/exiting modes is + supported as synchronous operation so write(2) to the attribute + does not return until the enter/exit mode operation has + finished. The attribute is notified when the mode is + entered/exited so poll(2) on the attribute wakes up. + Entering/exiting a mode will also generate uevent KOBJ_CHANGE. + + Valid values: yes, no |