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author | Oleksij Rempel <o.rempel@pengutronix.de> | 2017-05-06 16:02:32 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-05-08 13:55:16 +0200 |
commit | b1c9f53acd586d7b611d2406018866d680081c62 (patch) | |
tree | 9b8cf10821fc96ef77b3a4ee1495d2e5472ba9c2 /Documentation | |
parent | e5f2191e7b6920e67dd45b34d9b1c86d04456ffa (diff) | |
download | barebox-b1c9f53acd586d7b611d2406018866d680081c62.tar.gz barebox-b1c9f53acd586d7b611d2406018866d680081c62.tar.xz |
Documentation: usbgadget: provide autostart notes
The usbgadget autostart functionality is already added. It's
time to reflect it in the documentation.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/user/usb.rst | 21 |
1 files changed, 21 insertions, 0 deletions
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 barebox:/ + +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 +CONFIG_USB_GADGET_AUTOSTART enabled. + +USB Gadget autostart Options +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``global.usbgadget.autostart`` + Boolean flag. If set to 1, usbgadget will be started automatically on boot and + enable USB OTG mode. (Default 0). +``global.usbgadget.acm`` + Boolean flag. If set to 1, CDC ACM function will be created. + See :ref:`command_usbgadget` -a. (Default 0). +``global.usbgadget.fastboot_function`` + Function description for fastboot. See :ref:`command_usbgadget` -A [desc]. |