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

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Message-ID: <678e0de7-7f72-4bd0-9538-ef1feef15a56@oss.qualcomm.com>
Date: Fri, 6 Feb 2026 12:07:41 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Swati Agarwal <swati.agarwal@....qualcomm.com>,
        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 2/2] arm64: dts: qcom: lemans-evk: Enable the tertiary USB
 controller

On 2/6/26 11:46 AM, 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>
> ---

[...]

> +	vbus_supply_regulator_2: vbus-supply-regulator_2 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vbus_supply_2";
> +		gpio = <&pmm8654au_1_gpios 9 GPIO_ACTIVE_HIGH>;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-boot-on;

Are you sure it's boot-on? vbus_supply_regulator_0 isn't marked as such,
or maybe is that one wrong?


[...]

> 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";

Please leave a \n above 'status'

Konrad