linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: sm7225-fairphone-fp4: Add camera fixed regulators

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Message-ID: <57203b54-982d-4900-bdbf-ebaf3f05e369@nxsw.ie>
Date: Tue, 16 Dec 2025 12:48:10 +0000
From: Bryan O'Donoghue <bod.linux@...w.ie>
To: Luca Weiss <luca.weiss@...rphone.com>,
 Bartosz Golaszewski <brgl@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
 linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: qcom: sm7225-fairphone-fp4: Add camera
 fixed regulators

On 10/12/2025 01:05, Luca Weiss wrote:
> Add multiple fixed regulators that are found on the phone, which provide
> power to the cameras.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>   arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 40 +++++++++++++++++++++++
>   1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
> index c2f856a56b2b..0cfb24e3941d 100644
> --- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
> +++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
> @@ -246,6 +246,46 @@ active-config0 {
>   			};
>   		};
>   	};
> +
> +	vreg_32m_cam_dvdd_1p05: regulator-32m-cam-dvdd-1p05 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "32M_CAM_DVDD_1P05";
> +		regulator-min-microvolt = <1050000>;
> +		regulator-max-microvolt = <1050000>;
> +		gpio = <&pm6150l_gpios 2 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		vin-supply = <&vreg_s8e>;
> +	};
> +
> +	vreg_48m_ois_avdd0_1p8: regulator-48m-ois-avdd0-1p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "48M_OIS_AVDD0_1P8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		gpio = <&pm6150l_gpios 4 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		vin-supply = <&vreg_bob>;
> +	};
> +
> +	vreg_48m_uw_avdd0_1p8: regulator-48m-uw-avdd0-1p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "48M_UW_AVDD0_1P8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		gpio = <&pm6150l_gpios 3 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		vin-supply = <&vreg_bob>;
> +	};
> +
> +	vreg_ois_2p8: regulator-ois-2p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "OIS_2P8";
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		gpio = <&tlmm 72 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		vin-supply = <&vreg_bob>;
> +	};
>   };
> 
>   &adsp {
> 
> --
> 2.52.0
> 
> 

LGTM: 
https://www.fairphone.com/wp-content/uploads/2022/09/FP4_Information-for-repairers-and-recyclers.pdf

Reviewed-by: Bryan O'Donoghue <bod@...nel.org>

---
bod