[PATCH v2 1/2] Documentation: usbgadget: provide autostart notes

Oleksij Rempel o.rempel at pengutronix.de
Sat May 6 07:02:32 PDT 2017

The usbgadget autostart functionality is already added. It's
time to reflect it in the documentation.

Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
 Documentation/user/usb.rst | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/user/usb.rst b/Documentation/user/usb.rst
index bbcb045cee..ec219cfbe4 100644
--- a/Documentation/user/usb.rst
+++ b/Documentation/user/usb.rst
@@ -216,3 +216,24 @@ mode. Once a specific mode has been selected it can't be changed later anymore.
   musb-hdrc: setup fifo_mode 4
   musb-hdrc: 28/31 max ep, 16384/16384 memory
+USB Gadget autostart Support
+Barebox can be configured to start usbgadget automatically by using global variables,
+instead of creating boot script. This can be useful if autostart policy should be
+chosen at boot time from other driver or script.
+To get usbgadget autostart support barebox has to be compiled with
+USB Gadget autostart Options
+  Boolean flag. If set to 1, usbgadget will be started automatically on boot and
+  enable USB OTG mode. (Default 0).
+  Boolean flag. If set to 1, CDC ACM function will be created.
+  See :ref:`command_usbgadget` -a. (Default 0).
+  Function description for fastboot. See :ref:`command_usbgadget` -A [desc].

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