On Tue, Jan 19, 2021 at 06:10:44PM +0800, Howard Yen wrote: > Document USB offload support for usb-xhci. > > For example: > > &usbdrd_dwc3 { > ... > /* support usb offloading, 0: disabled, 1: audio */ > offload = <1>; > ... > }; > > Signed-off-by: Howard Yen <howardyen@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt > index b120dd6612a2..aab1fd499f15 100644 > --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt > +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt > @@ -46,6 +46,7 @@ Optional properties: > - quirk-broken-port-ped: set if the controller has broken port disable mechanism > - imod-interval-ns: default interrupt moderation interval is 5000ns > - phys : see usb-hcd.yaml in the current directory > + - offload: supporting USB offload feature, 0: disabled, 1: audio Why does the "type" of offload matter, shouldn't it just be: 0: disabled, 1: enabled ? And in thinking about it some more, why does this need to be a binding at all, shouldn't this just be an issue if the platform-specific ops are available or not, meaning no DT change should be needed at all? thanks, greg k-h