Hallo, On Fri, Nov 22, 2013 at 03:55:59PM +0000, Mark Jackson wrote: > The IDDIG input pin is normally used to determine the USB mode > (i.e. HOST or DEVICE). > > On some systems (e.g. AM335x) leaving this pin floating allows > the USB mode to be set via software. > > This patch adds support for this via the device tree. > > Signed-off-by: Mark Jackson <mpfj@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/usb/am33xx-usb.txt | 2 ++ > drivers/usb/musb/musb_dsps.c | 14 ++++++++++++++ > include/linux/usb/musb.h | 1 + > 3 files changed, 17 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/am33xx-usb.txt b/Documentation/devicetree/bindings/usb/am33xx-usb.txt > index 20c2ff2..560b7ff 100644 > --- a/Documentation/devicetree/bindings/usb/am33xx-usb.txt > +++ b/Documentation/devicetree/bindings/usb/am33xx-usb.txt > @@ -47,6 +47,8 @@ USB > - dmas: specifies the dma channels > - dma-names: specifies the names of the channels. Use "rxN" for receive > and "txN" for transmit endpoints. N specifies the endpoint number. > +- ti,force-host: specifies that the IDDIG input be ignored and the device be > + put into host mode regardless. You should always CC devicetree-discuss if adding new bindings. Why another binding anyway? We have the common binding dr_mode already. Please use this and of_usb_get_dr_mode from drivers/usb/usb-common.c instead. Thanks, Michael -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
