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

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Date:   Wed, 12 Jul 2023 15:55:28 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Praveenkumar I <quic_ipkumar@...cinc.com>, 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 12/07/2023 15:50, Praveenkumar I wrote:
> 
> 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.

Ack, thanks.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> 
> - 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";
>>> +                };
>>> +            };
>>> +        };
>>> +    };
>>>   };
>>

-- 
With best wishes
Dmitry