linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: lemans-evk: Enable the tertiary USB controller

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Message-ID: <helfsilh2qi56laxsounbxlp5zn5yq3eqkrodgsgtzxevwokqz@usepksge5gz3>
Date: Fri, 6 Feb 2026 14:14:47 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Swati Agarwal <swati.agarwal@....qualcomm.com>
Cc: 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>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: lemans-evk: Enable the tertiary
 USB controller

On Fri, Feb 06, 2026 at 04:16:42PM +0530, Swati Agarwal wrote:
> Enable the tertiary usb controller connected to micro usb port in OTG mode
> on Lemans EVK platform.
> 
> Signed-off-by: Swati Agarwal <swati.agarwal@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/lemans-evk.dts | 53 +++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/lemans.dtsi    |  7 ++++
>  2 files changed, 60 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 808827b83553..2710927c9172 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -4270,7 +4270,14 @@ usb_2: usb@...0000 {
>  			snps,dis-u1-entry-quirk;
>  			snps,dis-u2-entry-quirk;
>  
> +			usb-role-switch;
>  			status = "disabled";
> +
> +			port {
> +				usb_2_dwc3_hs: endpoint {
> +				};

Is it USB-2 only? If not, please define both ports.

> +			};
> +
>  		};
>  
>  		tcsr_mutex: hwlock@...0000 {
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry