linux-kernel - Re: [PATCH] arm64: dts: qcom: pm8953: Add thermal zone

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Message-ID: <aae76828-fcc8-506b-e68b-775f864fd159@linaro.org>
Date:   Mon, 26 Jun 2023 11:46:27 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Luca Weiss <luca@...tu.xyz>, ~postmarketos/upstreaming@...ts.sr.ht,
        phone-devel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: pm8953: Add thermal zone

On 25.06.2023 13:13, Luca Weiss wrote:
> Define the themal zones using the temperature values found in the
> downstream 4.9 sources so that the spmi-temp-alarm driver becomes
> active.
> 
> Signed-off-by: Luca Weiss <luca@...tu.xyz>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  arch/arm64/boot/dts/qcom/pm8953.dtsi | 33 ++++++++++++++++++++++++++++++++-
>  1 file changed, 32 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm8953.dtsi b/arch/arm64/boot/dts/qcom/pm8953.dtsi
> index 2268daf27fa7..d2dfc1699174 100644
> --- a/arch/arm64/boot/dts/qcom/pm8953.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm8953.dtsi
> @@ -6,6 +6,37 @@
>  #include <dt-bindings/input/linux-event-codes.h>
>  #include <dt-bindings/spmi/spmi.h>
>  
> +/ {
> +	thermal-zones {
> +		pm8953-thermal {
> +			polling-delay-passive = <0>;
> +			polling-delay = <0>;
> +
> +			thermal-sensors = <&pm8953_temp>;
> +
> +			trips {
> +				trip0 {
> +					temperature = <105000>;
> +					hysteresis = <0>;
> +					type = "passive";
> +				};
> +
> +				trip1 {
> +					temperature = <125000>;
> +					hysteresis = <0>;
> +					type = "hot";
> +				};
> +
> +				trip2 {
> +					temperature = <145000>;
> +					hysteresis = <0>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
> +};
> +
>  &spmi_bus {
>  	pmic@0 {
>  		compatible = "qcom,pm8953", "qcom,spmi-pmic";
> @@ -36,7 +67,7 @@ pm8953_resin: resin {
>  			};
>  		};
>  
> -		temp-alarm@...0 {
> +		pm8953_temp: temp-alarm@...0 {
>  			compatible = "qcom,spmi-temp-alarm";
>  			reg = <0x2400>;
>  			interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_RISING>;
> 
> ---
> base-commit: 8d2be868b42c08290509c60515865f4de24ea704
> change-id: 20230625-pm8953-thermal-fc3b2deeeb7b
> 
> Best regards,