linux-kernel - Re: [PATCH v2 4/5] arm64: dts: qcom: ipq5332: Add thermal zone nodes

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Message-ID: <f4bc9c49-3db8-5ca5-7326-413d823e338d@quicinc.com>
Date:   Wed, 12 Jul 2023 18:20:32 +0530
From:   Praveenkumar I <quic_ipkumar@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, <amitk@...nel.org>,
        <thara.gopinath@...il.com>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <rafael@...nel.org>, <daniel.lezcano@...aro.org>,
        <rui.zhang@...el.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-pm@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <quic_varada@...cinc.com>
Subject: Re: [PATCH v2 4/5] arm64: dts: qcom: ipq5332: Add thermal zone nodes


On 7/12/2023 5:55 PM, Dmitry Baryshkov wrote:
> On 12/07/2023 14:35, Praveenkumar I wrote:
>> This patch adds thermal zone nodes for sensors present in
>> IPQ5332.
>>
>> Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.com>
>> ---
>> [v2]:
>>     Added passive trips and alignment change.
>>
>>   arch/arm64/boot/dts/qcom/ipq5332.dtsi | 78 +++++++++++++++++++++++++++
>>   1 file changed, 78 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi 
>> b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
>> index 0eef77e36609..a1f59af97ee8 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
>> @@ -480,4 +480,82 @@ timer {
>>                    <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | 
>> IRQ_TYPE_LEVEL_LOW)>,
>>                    <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | 
>> IRQ_TYPE_LEVEL_LOW)>;
>>       };
>> +
>> +    thermal-zones {
>> +        rfa-0-thermal {
>> +            polling-delay-passive = <0>;
>> +            polling-delay = <0>;
>> +            thermal-sensors = <&tsens 11>;
>> +
>> +            trips {
>> +                rfa-0-critical {
>> +                    temperature = <125000>;
>> +                    hysteresis = <1000>;
>> +                    type = "critical";
>> +                };
>> +            };
>> +        };
>> +
>> +        rfa-1-thermal {
>> +            polling-delay-passive = <0>;
>> +            polling-delay = <0>;
>> +            thermal-sensors = <&tsens 12>;
>> +
>> +            trips {
>> +                rfa-1-critical {
>> +                    temperature = <125000>;
>> +                    hysteresis = <1000>;
>> +                    type = "critical";
>> +                };
>> +            };
>> +        };
>> +
>> +        misc-thermal {
>> +            polling-delay-passive = <0>;
>> +            polling-delay = <0>;
>> +            thermal-sensors = <&tsens 13>;
>> +
>> +            trips {
>> +                misc-critical {
>> +                    temperature = <125000>;
>> +                    hysteresis = <1000>;
>> +                    type = "critical";
>> +                };
>> +            };
>> +        };
>> +
>> +        cpu-top-thermal {
>> +            polling-delay-passive = <0>;
>> +            polling-delay = <0>;
>> +            thermal-sensors = <&tsens 14>;
>> +
>> +            trips {
>> +                cpu-top-critical {
>> +                    temperature = <115000>;
>> +                    hysteresis = <1000>;
>> +                    type = "critical";
>> +                };
>> +
>> +                cpu-passive {
>> +                    temperature = <105000>;
>> +                    hysteresis = <1000>;
>> +                    type = "passive";
>
> cooling device for this trip point?

CPU Frequency scaling support is not yet added for IPQ5332. Planning to 
add the cooling device after that in next set of patches.

- Praveenkumar

>
>> +                };
>> +            };
>> +        };
>> +
>> +        top-glue-thermal {
>> +            polling-delay-passive = <0>;
>> +            polling-delay = <0>;
>> +            thermal-sensors = <&tsens 15>;
>> +
>> +            trips {
>> +                top-glue-critical {
>> +                    temperature = <125000>;
>> +                    hysteresis = <1000>;
>> +                    type = "critical";
>> +                };
>> +            };
>> +        };
>> +    };
>>   };
>