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authorThinh Nguyen <Thinh.Nguyen@synopsys.com>2020-01-08 18:38:10 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-15 10:39:21 +0100
commita02497033e8e04c30501abb78c92d862982b9912 (patch)
treefcb36d985899b7d66cff66ada15a1530d1d7492b /Documentation/ABI
parent1d039a80613dd8b8d95e181f918db5004bd5cc48 (diff)
usb: gadget: configfs: Add max_speed setting
Some functions support speeds other than SuperSpeed. Add max_speed attribute to configfs gadget allowing user to specify the maximum speed the composite driver supports. The valid input speed names are super-speed-plus, super-speed, high-speed, full-speed, and low-speed. Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/configfs-usb-gadget4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget b/Documentation/ABI/testing/configfs-usb-gadget
index 95a36589a66b..4594cc2435e8 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget
+++ b/Documentation/ABI/testing/configfs-usb-gadget
@@ -16,6 +16,10 @@ Description:
write UDC's name found in /sys/class/udc/*
to bind a gadget, empty string "" to unbind.
+ max_speed - maximum speed the driver supports. Valid
+ names are super-speed-plus, super-speed,
+ high-speed, full-speed, and low-speed.
+
bDeviceClass - USB device class code
bDeviceSubClass - USB device subclass code
bDeviceProtocol - USB device protocol code