On 22/11/13 16:38, Michael Grzeschik wrote: > 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. Sure ... that's a nicer solution. I'll do that for v2 Mark J. -- 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
