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usb: typec: Consolidate sysfs ABI documentation

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Both partner and cable have identity VDOs. These are listed separately
in the Documentation/ABI/testing/sysfs-class-typec. Factor these out
into a common location to avoid the duplication.

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20201125084911.1077462-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Prashant Malani 2020-11-25 00:49:09 -08:00 committed by Greg Kroah-Hartman
parent 7656ca71b0
commit fd2c35b2f5
1 changed files with 17 additions and 42 deletions
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59
Documentation/ABI/testing/sysfs-class-typec
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@ -147,42 +147,6 @@ Description:
during Power Delivery discovery. This file remains hidden until a value during Power Delivery discovery. This file remains hidden until a value
greater than or equal to 0 is set by Type C port driver. greater than or equal to 0 is set by Type C port driver.
What: /sys/class/typec/<port>-partner>/identity/
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
This directory appears only if the port device driver is capable
of showing the result of Discover Identity USB power delivery
command. That will not always be possible even when USB power
delivery is supported, for example when USB power delivery
communication for the port is mostly handled in firmware. If the
directory exists, it will have an attribute file for every VDO
in Discover Identity command result.
What: /sys/class/typec/<port>-partner/identity/id_header
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
ID Header VDO part of Discover Identity command result. The
value will show 0 until Discover Identity command result becomes
available. The value can be polled.
What: /sys/class/typec/<port>-partner/identity/cert_stat
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
Cert Stat VDO part of Discover Identity command result. The
value will show 0 until Discover Identity command result becomes
available. The value can be polled.
What: /sys/class/typec/<port>-partner/identity/product
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
Product VDO part of Discover Identity command result. The value
will show 0 until Discover Identity command result becomes
available. The value can be polled.
USB Type-C cable devices (eg. /sys/class/typec/port0-cable/) USB Type-C cable devices (eg. /sys/class/typec/port0-cable/)
@ -219,17 +183,28 @@ Description:
This file remains hidden until a value greater than or equal to 0 This file remains hidden until a value greater than or equal to 0
is set by Type C port driver. is set by Type C port driver.
What: /sys/class/typec/<port>-cable/identity/
USB Type-C partner/cable Power Delivery Identity objects
NOTE: The following attributes will be applicable to both
partner (e.g /sys/class/typec/port0-partner/) and
cable (e.g /sys/class/typec/port0-cable/) devices. Consequently, the example file
paths below are prefixed with "/sys/class/typec/<port>-{partner|cable}/" to
reflect this.
What: /sys/class/typec/<port>-{partner|cable}/identity/
Date: April 2017 Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: Description:
This directory appears only if the port device driver is capable This directory appears only if the port device driver is capable
of showing the result of Discover Identity USB power delivery of showing the result of Discover Identity USB power delivery
command. That will not always be possible even when USB power command. That will not always be possible even when USB power
delivery is supported. If the directory exists, it will have an delivery is supported, for example when USB power delivery
attribute for every VDO returned by Discover Identity command. communication for the port is mostly handled in firmware. If the
directory exists, it will have an attribute file for every VDO
in Discover Identity command result.
What: /sys/class/typec/<port>-cable/identity/id_header What: /sys/class/typec/<port>-{partner|cable}/identity/id_header
Date: April 2017 Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: Description:
@ -237,7 +212,7 @@ Description:
value will show 0 until Discover Identity command result becomes value will show 0 until Discover Identity command result becomes
available. The value can be polled. available. The value can be polled.
What: /sys/class/typec/<port>-cable/identity/cert_stat What: /sys/class/typec/<port>-{partner|cable}/identity/cert_stat
Date: April 2017 Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: Description:
@ -245,7 +220,7 @@ Description:
value will show 0 until Discover Identity command result becomes value will show 0 until Discover Identity command result becomes
available. The value can be polled. available. The value can be polled.
What: /sys/class/typec/<port>-cable/identity/product What: /sys/class/typec/<port>-{partner|cable}/identity/product
Date: April 2017 Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description: Description: