On Tue, Jul 11, 2023, Elson Roy Serrao wrote: > This property allows dwc3 runtime suspend when bus suspend interrupt > is received even with cable connected. This would allow the dwc3 > controller to enter low power mode during bus suspend scenario. > > This property would particularly benefit dwc3 IPs where hibernation is > not enabled and the dwc3 low power mode entry/exit is handled by the > glue driver. The assumption here is that the platform using this dt > property is capable of detecting resume events to bring the controller > out of suspend. > > Signed-off-by: Elson Roy Serrao <quic_eserrao@xxxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > index a696f23730d3..18ad99a26dd9 100644 > --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > @@ -403,6 +403,11 @@ properties: > description: > Enable USB remote wakeup. > > + snps,allow-rtsusp-on-u3: Please spell out the whole thing as "rtsusp" isn't clear. Also, it's not just for U3 right? For highspeed, it's L2. How about the name that Roger use: "snps,gadget-keep-connect-sys-sleep" > + description: > + If True then dwc3 runtime suspend is allowed during bus suspend > + case even with the USB cable connected. > + > unevaluatedProperties: false > > required: > -- > 2.17.1 > Did you Cc Rob, the devicetree maintainer? Thanks, Thinh
