linux-kernel - Re: [PATCH v3 8/9] arm64: dts: qcom: x1e80100: describe USB signals properly

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Date: Tue, 2 Apr 2024 16:41:09 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: Re: [PATCH v3 8/9] arm64: dts: qcom: x1e80100: describe USB signals
 properly

On 1.04.2024 10:33 PM, Dmitry Baryshkov wrote:
> Follow example of other platforms. Rename HS graph nodes to contain
> 'dwc3_hs' and link SS lanes from DWC3 controllers to QMP PHYs.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 149 +++++++++++++++++++++++++++++++--
>  1 file changed, 141 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index f5a3b39ae70e..3213eccc3a3a 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -2543,6 +2543,33 @@ usb_1_ss0_qmpphy: phy@...000 {
>  			#phy-cells = <1>;
>  
>  			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					usb_1_ss0_qmpphy_out: endpoint {
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					usb_1_ss0_qmpphy_usb_ss_in: endpoint {
> +						remote-endpoint = <&usb_1_ss0_dwc3_ss>;
> +					};
> +				};
> +
> +				port@2 {
> +					reg = <2>;
> +
> +					usb_1_ss0_qmpphy_dp_in: endpoint {

This is more than just DP AFAIU, please call it SBU

Konrad