linux-kernel - Re: [PATCH 2/5] arm64: dts: qcom: qcm6490-fairphone-fp5: Add VTOF_LDO

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Message-ID: <ac1c0d1a-36a9-4542-b879-06c017f7f2c4@oss.qualcomm.com>
Date: Wed, 1 Oct 2025 10:30:49 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Luca Weiss <luca.weiss@...rphone.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>,
        Marijn Suijten <marijn.suijten@...ainline.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] arm64: dts: qcom: qcm6490-fairphone-fp5: Add
 VTOF_LDO_2P8 regulator

On 9/30/25 3:57 PM, Luca Weiss wrote:
> Describe yet another regulator-fixed on this board, powering the ToF
> sensor.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>  arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> index 36d5750584831d66b4c2faf6042e4cbb3274eca7..0a64e5721e092d1f3e4bb7329335704eee567761 100644
> --- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> +++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
> @@ -195,6 +195,19 @@ vreg_usb_redrive_1v8: regulator-usb-redrive-1v8 {
>  		pinctrl-names = "default";
>  	};
>  
> +	vreg_vtof_ldo_2p8: regulator-vtof-ldo-2p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VTOF_LDO_2P8";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		regulator-enable-ramp-delay = <233>;
> +
> +		gpio = <&tlmm 141 GPIO_ACTIVE_HIGH>;

You may want to define the pincfg/mux config for this gpio too

Konrad