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authorSebastian Reichel <sre@kernel.org>2018-04-26 12:18:30 +0200
committerSebastian Reichel <sre@kernel.org>2018-04-26 12:18:30 +0200
commit1f140ff467081212562327da6561edb6b3b3ed10 (patch)
treeda65d766f3501c3366bd12c2856b15af28fd60e9 /Documentation/ABI/testing/sysfs-bus-usb
parenta78c0c30ec73e90d1b5d8b06f593091d9b9f76d3 (diff)
parent0c718676ab3f02e98e85e7049e03d2879c62cb10 (diff)
downloadlinux-1f140ff467081212562327da6561edb6b3b3ed10.tar.bz2
Merge tag 'tags/tcpm-pps-4.18' into psy-next
Tag/Merge point for adding typeC power supply support This is a signed tag/merge point to handle the cross-tree merge of the USB and power supply subsystems for the patch series: Subject: [PATCH v8 0/6] typec: tcpm: Add sink side support for PPS It is based on the usb.git tree, in the usb-next branch, for merging in 4.18-rc1. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-usb')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-usb18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index c702c78f24d8..c6e9b30f05b1 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -236,3 +236,21 @@ Description:
Supported values are 0 - 15.
More information on how besl values map to microseconds can be found in
USB 2.0 ECN Errata for Link Power Management, section 4.10)
+
+What: /sys/bus/usb/devices/.../rx_lanes
+Date: March 2018
+Contact: Mathias Nyman <mathias.nyman@linux.intel.com>
+Description:
+ Number of rx lanes the device is using.
+ USB 3.2 adds Dual-lane support, 2 rx and 2 tx lanes over Type-C.
+ Inter-Chip SSIC devices support asymmetric lanes up to 4 lanes per
+ direction. Devices before USB 3.2 are single lane (rx_lanes = 1)
+
+What: /sys/bus/usb/devices/.../tx_lanes
+Date: March 2018
+Contact: Mathias Nyman <mathias.nyman@linux.intel.com>
+Description:
+ Number of tx lanes the device is using.
+ USB 3.2 adds Dual-lane support, 2 rx and 2 tx -lanes over Type-C.
+ Inter-Chip SSIC devices support asymmetric lanes up to 4 lanes per
+ direction. Devices before USB 3.2 are single lane (tx_lanes = 1)