On 14/08/2023 20:50, 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..e19a60d06d2b 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,runtime-suspend-on-usb-suspend: > + description: > + If True then dwc3 runtime suspend is allowed during bus suspend > + case even with the USB cable connected. This was no tested... but anyway, this is no a DT property but OS policy. There is no such thing as "runtime suspend" in the hardware, because you describe one particular OS. Sorry, no a DT property, drop the change entirely. Best regards, Krzysztof
