linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7180: Configure USB as wakeup source

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Message-ID: <YxDrFUsWZvy7IUBs@google.com>
Date:   Thu, 1 Sep 2022 10:25:41 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krishna Kurapati <quic_kriskura@...cinc.com>,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Configure USB as wakeup source

On Thu, Sep 01, 2022 at 10:17:03AM -0700, Matthias Kaehlcke wrote:
> The dwc3 USB controller of the sc7180 supports USB remote
> wakeup, configure it as a wakeup source.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
> 
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 2d1f38342858..507718f309e1 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -2780,7 +2780,9 @@ usb_1: usb@...8800 {
>  					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3 0>;
>  			interconnect-names = "usb-ddr", "apps-usb";
>  
> -			usb_1_dwc3: dwc3@...0000 {
> +			wakeup-source;
> +
> +			usb_1_dwc3: usb@...0000 {

Please disregard this version, it is based on a downstream branch which I used
for testing.

>  				compatible = "snps,dwc3";
>  				reg = <0 0x0a600000 0 0xe000>;
>  				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
> -- 
> 2.37.2.789.g6183377224-goog
>