Hi, John Stultz <john.stultz@xxxxxxxxxx> writes: > Add binding to configure the default role the controller > assumes is host mode when the usb role is USB_ROLE_NONE. > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > CC: ShuFan Lee <shufan_lee@xxxxxxxxxxx> > Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx> > Cc: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> > Cc: Yu Chen <chenyu56@xxxxxxxxxx> > Cc: Felipe Balbi <balbi@xxxxxxxxxx> > Cc: Hans de Goede <hdegoede@xxxxxxxxxx> > Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Cc: Jun Li <lijun.kernel@xxxxxxxxx> > Cc: Valentin Schneider <valentin.schneider@xxxxxxx> > Cc: Jack Pham <jackp@xxxxxxxxxxxxxx> > Cc: linux-usb@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/generic.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt > index cf5a1ad456e6..013782fde293 100644 > --- a/Documentation/devicetree/bindings/usb/generic.txt > +++ b/Documentation/devicetree/bindings/usb/generic.txt > @@ -34,6 +34,11 @@ Optional properties: > the USB data role (USB host or USB device) for a given > USB connector, such as Type-C, Type-B(micro). > see connector/usb-connector.txt. > + - role-switch-default-host: boolean, indicating if usb-role-switch is enabled > + the device default operation mode of controller while > + usb role is USB_ROLE_NONE is host mode. If this is not > + set or false, it will be assumed the default is device > + mode. Do we also need a role-switch-default-peripheral? Would it be better to have a single role-switch-default property which accepts "host" or "peripheral" arguments? -- balbi
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