On Wed, Jan 18, 2017 at 09:01:05AM +0800, Chen-Yu Tsai wrote: > While the SinA31s does have a proper 5-pin mini USB OTG port, the ID > pin does not seem to work. The pin used in the schematics is always low, > regardless of the attached OTG cable or SoC internal pin bias settings. > > The v1.5 board is missing bias resistors shown in the schematics for > earlier revisions, and the connections of the remaining one does not > match the schematics either. > > In addition, VBUS for this port is disconnected from the board's 5V > power rail. The board features a pad to solder jumper pins to connect > VBUS to 5V manually. > > Given the above and the fact that the board has 5 more USB host ports, > it makes more sense to have the OTG port work in peripheral mode. > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> Applied, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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