On Mon, May 02, 2016 at 03:18:53PM +0300, Roger Quadros wrote: > From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > Since some host controller (e.g. EHCI) needs a companion host controller > (e.g. OHCI), this patch adds such a configuration to use it in the OTG > core. > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > Signed-off-by: Roger Quadros <rogerq@xxxxxx> > --- > Documentation/devicetree/bindings/usb/generic.txt | 3 +++ > drivers/usb/common/usb-otg.c | 32 ++++++++++++++++------- > include/linux/usb/otg.h | 7 ++++- > 3 files changed, 32 insertions(+), 10 deletions(-) > > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt > index f6866c1..1db1c33 100644 > --- a/Documentation/devicetree/bindings/usb/generic.txt > +++ b/Documentation/devicetree/bindings/usb/generic.txt > @@ -27,6 +27,9 @@ Optional properties: > - otg-controller: phandle to otg controller. Host or gadget controllers can > contain this property to link it to a particular OTG > controller. > + - hcd-needs-companion: must be present if otg controller is dealing with > + EHCI host controller that needs a companion OHCI host > + controller. Don't you need to have a link to the companion controller node? > > This is an attribute to a USB controller such as: > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
