linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: pm7250b: Enable Qualcomm BCL device

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Message-ID: <98ad13d8-82d0-4def-917d-b99cf455c5f1@oss.qualcomm.com>
Date: Fri, 6 Feb 2026 10:11:07 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@....qualcomm.com>,
        Guenter Roeck <linux@...ck-us.net>, 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>, amit.kucheria@....qualcomm.com,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Gaurav Kohli <gaurav.kohli@....qualcomm.com>
Cc: linux-hwmon@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: qcom: pm7250b: Enable Qualcomm BCL device

On 2/5/26 10:14 PM, Manaf Meethalavalappu Pallikunhi wrote:
> Enable Qualcomm BCL hardware devicetree binding configuration
> for pm7250b.
> 
> Signed-off-by: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/pm7250b.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm7250b.dtsi b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
> index 0761e6b5fd8d..69ad76831cde 100644
> --- a/arch/arm64/boot/dts/qcom/pm7250b.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
> @@ -202,6 +202,16 @@ pm7250b_gpios: gpio@...0 {
>  			interrupt-controller;
>  			#interrupt-cells = <2>;
>  		};
> +
> +		bcl@...0 {
> +			compatible = "qcom,pm7250b-bcl", "qcom,bcl-v1";
> +			reg = <0x1d00>;
> +			interrupts = <PM7250B_SID 0x1d 0x0 IRQ_TYPE_EDGE_RISING>,
> +				     <PM7250B_SID 0x1d 0x1 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "bcl-max-min",
> +					  "bcl-critical";

We should strip the "bcl-" prefix, since these interrupts happen
to be under the bcl device

> +			overcurrent-thresholds-milliamp = <5500 6000>;

Is that something that we expect to change between boards, or is
that an electrical characteristic of the PM7250B?

Konrad