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Message-ID: <x6jo5xpvqlehij3rybcq26xehmeuzju2mgarnp3panag5hy3ao@fmtu7tgc3p4n>
Date: Fri, 27 Jun 2025 16:07:45 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, Lee Jones <lee@...nel.org>,
        Pavel Machek <pavel@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Fenglin Wu <quic_fenglinw@...cinc.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: Add PMXR2230 PMIC

On Fri, Jun 27, 2025 at 02:54:20PM +0200, Luca Weiss wrote:
> On Wed Jun 25, 2025 at 3:20 PM CEST, Konrad Dybcio wrote:
> > On 6/25/25 11:18 AM, Luca Weiss wrote:
> >> Add a dts for the PMIC used e.g. with SM7635 devices.
> >> 
> >> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> >> ---
> >>  arch/arm64/boot/dts/qcom/pmxr2230.dtsi | 63 ++++++++++++++++++++++++++++++++++
> >>  1 file changed, 63 insertions(+)
> >> 
> >> diff --git a/arch/arm64/boot/dts/qcom/pmxr2230.dtsi b/arch/arm64/boot/dts/qcom/pmxr2230.dtsi
> >> new file mode 100644
> >> index 0000000000000000000000000000000000000000..a7650f3230c01422b76ef78e897e5e7ae2f20cc6
> >> --- /dev/null
> >> +++ b/arch/arm64/boot/dts/qcom/pmxr2230.dtsi
> >> @@ -0,0 +1,63 @@
> >> +// SPDX-License-Identifier: BSD-3-Clause
> >> +/*
> >> + * Copyright (c) 2025, Luca Weiss <luca.weiss@...rphone.com>
> >> + */
> >> +
> >> +#include <dt-bindings/interrupt-controller/irq.h>
> >> +#include <dt-bindings/spmi/spmi.h>
> >> +
> >> +/ {
> >> +	thermal-zones {
> >> +		pmxr2230_thermal: pmxr2230-thermal {
> >> +			polling-delay-passive = <100>;
> >> +
> >> +			thermal-sensors = <&pmxr2230_temp_alarm>;
> >> +
> >> +			trips {
> >> +				pmxr2230_trip0: trip0 {
> >> +					temperature = <95000>;
> >> +					hysteresis = <0>;
> >> +					type = "passive";
> >> +				};
> >> +
> >> +				pmxr2230_crit: pmxr2230-crit {
> >
> > This name is "meh", please change to tripN
> >
> >> +					temperature = <115000>;
> >
> > Unless there's some actual electrical/physical SKU differences,
> > downstream lists 145C as critical for a PMIC carrying the same
> > name
> 
> [    0.085990] spmi-temp-alarm c400000.spmi:pmic@1:temp-alarm@a00: No ADC is configured and critical temperature 145000 mC is above the maximum stage 2 threshold of 125000 mC! Configuring stage 2 shutdown at 125000 mC.
> 
> Same for the PMIV0104:
> 
> [    0.086556] spmi-temp-alarm c400000.spmi:pmic@7:temp-alarm@a00: No ADC is configured and critical temperature 145000 mC is above the maximum stage 2 threshold of 125000 mC! Configuring stage 2 shutdown at 125000 mC.
> 
> What shall I do?

I'd say, use 125°C or 124°C.

> 
> Regards
> Luca
> 
> 
> >
> > with that:
> >
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> >
> > Konrad
> 

-- 
With best wishes
Dmitry

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