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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2022-05-02 16:20:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-12 07:49:47 +0300
commita7cff92f0635c794e2198a69a7ff4ecfe0decab9 (patch)
tree7dd8f528a8b634d5022aac02dfc2a5055f5b59dd /Documentation/ABI
parent662a60102c122e44fdaf5c826f7f415eb57d48ad (diff)
downloadlinux-a7cff92f0635c794e2198a69a7ff4ecfe0decab9.tar.xz
usb: typec: USB Power Delivery helpers for ports and partners
All the USB Type-C Connector Class devices are protected, so the drivers can not directly access them. This will adds a few helpers that can be used to link the ports and partners to the correct USB Power Delivery objects. For ports a new optional sysfs attribute file is also added that can be used to select the USB Power Delivery capabilities that the port will advertise to the partner. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20220502132058.86236-3-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-typec8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec
index 75088ecad202..281b995beb05 100644
--- a/Documentation/ABI/testing/sysfs-class-typec
+++ b/Documentation/ABI/testing/sysfs-class-typec
@@ -141,6 +141,14 @@ Description:
- "reverse": CC2 orientation
- "unknown": Orientation cannot be determined.
+What: /sys/class/typec/<port>/select_usb_power_delivery
+Date: May 2022
+Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description:
+ Lists the USB Power Delivery Capabilities that the port can
+ advertise to the partner. The currently used capabilities are in
+ brackets. Selection happens by writing to the file.
+
USB Type-C partner devices (eg. /sys/class/typec/port0-partner/)
What: /sys/class/typec/<port>-partner/accessory_mode