linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: sm8550: Flatten the USB nodes

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Message-ID: <0919ba36-27e5-43c7-bf03-46991704974a@oss.qualcomm.com>
Date: Wed, 30 Jul 2025 09:57:08 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: qcom: sm8550: Flatten the USB nodes

On 7/29/25 4:58 PM, Neil Armstrong wrote:
> Transition the USB controllers found in the SM8550 SoC to the newly
> introduced, flattened representation of the Qualcomm USB block, i.e.
> qcom,snps-dwc3, to show the end result.
> 
> The reg and interrupts properties from the usb child node are merged
> with their counterpart in the outer node, remaining properties and child
> nodes are simply moved.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 84 ++++++++++++++++++------------------
>  1 file changed, 42 insertions(+), 42 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 45713d46f3c52487d2638b7ab194c111f58679ce..1e67b1cbdbfd1ac5478af23bf45ba45bb756ef29 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -4084,12 +4084,11 @@ usb_dp_qmpphy_dp_in: endpoint {
>  			};
>  		};
>  
> -		usb_1: usb@...8800 {
> -			compatible = "qcom,sm8550-dwc3", "qcom,dwc3";
> -			reg = <0x0 0x0a6f8800 0x0 0x400>;
> -			#address-cells = <2>;
> -			#size-cells = <2>;
> -			ranges;
> +		usb_1: usb@...0000 {
> +			compatible = "qcom,sm8550-dwc3", "qcom,snps-dwc3";
> +			reg = <0x0 0x0a600000 0x0 0x10000>;

sz = 0xfc_100

Konrad