linux-kernel - Re: [PATCH RFC v2 5/5] arm64: dts: qcom: sa8775p-pmics: Add support for MBG TM

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Message-ID: <ed47db4c-42d2-4fb2-9b48-733443c62a70@oss.qualcomm.com>
Date: Tue, 11 Feb 2025 14:24:20 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>, Lee Jones <lee@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>, quic_kamalw@...cinc.com,
        quic_jprakash@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH RFC v2 5/5] arm64: dts: qcom: sa8775p-pmics: Add support
 for MBG TM

On 12.12.2024 5:11 PM, Satya Priya Kakitapalli wrote:
> Add support for MBG TEMP peripheral for pm8775 sail pmics on SA8775P.
> 
> Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi | 116 ++++++++++++++++++++++++++++
>  1 file changed, 116 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> index e87f95e9ba9f59e3f067af0d5565b8e3ed4b37fc..eade5784f18629dc9f7ebf0257551bf96bea9a4c 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> @@ -89,6 +89,58 @@ trip1 {
>  				};
>  			};
>  		};
> +
> +		pm8775-mbg0-thermal {
> +			polling-delay-passive = <100>;
> +			thermal-sensors = <&pmm8654au_0_mbg_temp>;
> +
> +			trips {
> +				trip0 {
> +					temperature = <115000>;
> +					hysteresis = <5000>;
> +					type = "passive";

These could possibly be 'critical' if 115C is the TjMAX or near it

Konrad