On Thu, Dec 7, 2017 at 7:04 PM, Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > Hi, > > On Thu, Dec 07, 2017 at 04:35:48PM +0530, Jagan Teki wrote: >> Add usb otg support for orangepi-zero-plus2 board: >> - Add usb_otg node with dr_mode as 'otg' >> - USB0-IDDET connected to PA21 >> - VBUS connected through DCIN which always on >> >> Tested mass storage function. >> >> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > > Did you test the OTG or peripheral modes? dr_mode with otg and I've tested mas storage gadget with mmc disk emulation. > >> Note: Anyone please check vbus connection [1] >> Since it is connected through DCIN of vcc-5v, I've added vcc-5v0 >> regulator for the same and attached to usb0_vbus-supply but it is >> disabling during kernel boot. >> [ 1.887854] vcc5v0: disabling > > VBUS is the power line that is provided on the USB connector. In > peripheral, that power is provided by the host, therefore it needs to > be shutdown on the peripheral end. This is the expected behaviour. So, in my test with 'otg' host drive the vbus so-it is disabling at target end is it? thanks! -- Jagan Teki Free Software Engineer | www.openedev.com U-Boot, Linux | Upstream Maintainer Hyderabad, India. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
