Re: [PATCH v12 6/6] arm64: dts: qcom: sc7280: Add wakeup-source property for USB node

[Matthias Kaehlcke]

On Thu, Apr 07, 2022 at 02:15:04PM +0530, Sandeep Maheswaram wrote:
> Adding wakeup-source property for USB controller in SC7280.
> This property is added to inform that the USB controller is
> wake up capable and to conditionally power down the phy during
> system suspend.
> 
> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index f0b64be..046262a 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2916,6 +2916,7 @@
>  				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
>  				phy-names = "usb2-phy", "usb3-phy";
>  				maximum-speed = "super-speed";
> +				wakeup-source;
>  			};
>  		};

Not all SC7280 boards may want to enable wakeup from USB, so this is
probably best configured on a per-board basis.