[linux-sunxi] [PATCH v2 1/3] ARM: dts: sun5i: Enable USB DRC on A10s OLinuxIno Micro

Michal Suchanek hramrach at gmail.com
Fri Jul 31 07:13:24 PDT 2015


On 31 July 2015 at 14:53, Hans de Goede <hdegoede at redhat.com> wrote:
> Enable the otg/drc usb controller on the A10s OLinuxIno Micro.
> Note the A10s OlinuxIno Micro always has some voltage on its otg power
> pin, even if the usb-vbus0-regulator is disabled, the leaked voltage is
> enough to make vbus-det always report 1, so we do not use vbus-det on
> this board.

What board revision do you have?

Also does this not go down when you connect a device which draws power?

It is useless for self-powered device detection, though :-s

Still the Olinuxino is not battery powered normally so powering the
bus at all times is probably ok.



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