linux-kernel - Re: [PATCH] arm64: dts: qcom: pm6350: add temp sensor and thermal zone config

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Date:   Fri, 12 Aug 2022 16:36:42 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Luca Weiss <luca.weiss@...rphone.com>,
        linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: pm6350: add temp sensor and thermal
 zone config

On 12/08/2022 14:44, Luca Weiss wrote:
> Add temp-alarm device tree node and a default configuration for the
> corresponding thermal zone for this PMIC. Temperatures are based on
> downstream values.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
> With this config I'm getting this in dmesg, not sure if it's a warning
> that should be solved or just an informative warning.
> 
> [    0.268256] spmi-temp-alarm c440000.spmi:pmic@0:temp-alarm@...0: No ADC is configured and critical temperature is above the maximum stage 2 threshold of 140 C! Configuring stage 2 shutdown at 140 C.
> 
> As far as I can tell, based on downstream dts this PMIC doesn't have an
> ADC.

You configure 145 and driver believes 140 is the limit, so it seems
warning should be addressed.

>From where did you get 145 degrees as limit? Downstream DTS?

Best regards,
Krzysztof