linux-kernel - Re: [PATCH RFC 4/8] arm64: dts: qcom: pm660: Add fuel gauge

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Message-ID: <z2n27amgfsnyw4ytavim3cnthqtzhtu7rjp4kbnyd3n3r6ts45@qotrzrgbkrml>
Date: Wed, 26 Nov 2025 01:17:38 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: david@...t.cz
Cc: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Casey Connolly <casey.connolly@...aro.org>,
        Casey Connolly <casey@...nolly.tech>,
        Joel Selvaraj <foss@...lselvaraj.com>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Alexander Martinz <amartinz@...ftphones.com>,
        Barnabás Czémán <barnabas.czeman@...nlining.org>,
        Richard Acayan <mailingradian@...il.com>,
        Alexey Minnekhanov <alexeymin@...tmarketos.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        phone-devel@...r.kernel.org
Subject: Re: [PATCH RFC 4/8] arm64: dts: qcom: pm660: Add fuel gauge

On Mon, Nov 24, 2025 at 10:53:37PM +0100, David Heidelberg via B4 Relay wrote:
> From: Richard Acayan <mailingradian@...il.com>
> 
> The PM660 has the same fuel gauge as PMI8998. Add support for
> PM660 battery monitoring.
> 
> Signed-off-by: Richard Acayan <mailingradian@...il.com>
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
>  arch/arm64/boot/dts/qcom/pm660.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm660.dtsi b/arch/arm64/boot/dts/qcom/pm660.dtsi
> index 156b2ddff0dcb..ce53f5ddc4bdf 100644
> --- a/arch/arm64/boot/dts/qcom/pm660.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm660.dtsi
> @@ -197,6 +197,16 @@ channel@85 {
>  			};
>  		};
>  
> +		pm660_fg: fuel-gauge@...0 {
> +			compatible = "qcom,pmi8998-fg";

Please add PMIC-specific compatible, use pmi8998 as a fallback.

> +			reg = <0x4000>;
> +
> +			interrupts = <0x0 0x40 0x3 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "soc-delta";
> +
> +			status = "disabled";
> +		};
> +
>  		pm660_rradc: adc@...0 {
>  			compatible = "qcom,pm660-rradc";
>  			reg = <0x4500>;
> 
> -- 
> 2.51.0
> 
> 

-- 
With best wishes
Dmitry