From: Matthias Brugger <matthias.bgg@gmail.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
Michael Kao <michael.kao@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
Eduardo Valentin <edubezval@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
linux-mediatek@lists.infradead.org, hsinyi@chromium.org,
Zhang Rui <rui.zhang@intel.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3,1/8] arm64: dts: mt8183: add thermal zone node
Date: Thu, 20 Feb 2020 21:57:26 +0100 [thread overview]
Message-ID: <4fab7d40-d7d9-883e-1c50-0507ee1dd750@gmail.com> (raw)
In-Reply-To: <270efbcf-51bb-629f-c64b-fa343b3d2988@linaro.org>
On 20/02/2020 12:52, Daniel Lezcano wrote:
> On 11/02/2020 04:17, Michael Kao wrote:
>> On Thu, 2020-01-09 at 12:31 +0100, Daniel Lezcano wrote:
>>> On 03/01/2020 07:44, Michael Kao wrote:
>>>> From: "michael.kao" <michael.kao@mediatek.com>
>>>>
>>>> Add thermal zone node to Mediatek MT8183 dts file.
>>>>
>>>> Signed-off-by: Michael Kao <michael.kao@mediatek.com>
>>>> ---
>>>> arch/arm64/boot/dts/mediatek/mt8183.dtsi | 85 ++++++++++++++++++++++++
>>>> 1 file changed, 85 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>>>> index 10b32471bc7b..a2793cf3d994 100644
>>>> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>>>> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>>>> @@ -570,6 +570,88 @@
>>>> status = "disabled";
>>>> };
>>>>
>>>> + thermal: thermal@1100b000 {
>>>> + #thermal-sensor-cells = <1>;
>>>> + compatible = "mediatek,mt8183-thermal";
>>>> + reg = <0 0x1100b000 0 0x1000>;
>>>> + interrupts = <0 76 IRQ_TYPE_LEVEL_LOW>;
>>>
>>> What is this interrupt for?
>>
>> The interrupts pin is designed in our SoC. But it is not used in our
>> upstream thermal code now. There is also add the settings but not use
>> for mt8173.dtsi. To align the thermal dtsi format, I follow the past
>> experience to add the interrupt settings of this project first.
>
> Assuming the interrupt can be set by the driver to fire when a specified
> temperature is set, I suggest to change your driver to handle it so you
> can get rid of the polling waking up the SoC every second.
>
For the record the interrupt is a required property by the binding description.
Regards,
Matthias
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next prev parent reply other threads:[~2020-02-20 20:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-03 6:43 [PATCH v3,0/8] Add Mediatek thermal dirver and dtsi Michael Kao
2020-01-03 6:44 ` [PATCH v3,1/8] arm64: dts: mt8183: add thermal zone node Michael Kao
2020-01-09 11:31 ` Daniel Lezcano
2020-02-11 3:17 ` Michael Kao
2020-02-20 11:52 ` Daniel Lezcano
2020-02-20 20:57 ` Matthias Brugger [this message]
2020-02-26 1:58 ` Michael Kao
2020-02-20 20:56 ` Matthias Brugger
2020-01-03 6:44 ` [PATCH v3, 2/8] arm64: dts: mt8183: add/update dynamic power coefficients Michael Kao
2020-01-10 14:40 ` [PATCH v3,2/8] " Matthias Brugger
2020-02-11 2:05 ` Michael Kao
2020-02-20 21:06 ` Matthias Brugger
2020-01-03 6:44 ` [PATCH v3,3/8] arm64: dts: mt8183: Add #cooling-cells to CPU nodes Michael Kao
2020-02-20 21:59 ` Matthias Brugger
2020-01-03 6:44 ` [PATCH v3,4/8] arm64: dts: mt8183: Configure CPU cooling Michael Kao
2020-02-25 9:34 ` Michael Kao
2020-01-03 6:44 ` [PATCH v3, 5/8] arm64: dts: mt8183: Increase polling frequency for CPU thermal zone Michael Kao
2020-01-03 6:44 ` [PATCH v3,6/8] thermal: mediatek: mt8183: fix bank number settings Michael Kao
2020-01-08 9:58 ` [PATCH v3, 6/8] " Hsin-Yi Wang
2020-01-03 6:44 ` [PATCH v3, 7/8] thermal: mediatek: add another get_temp ops for thermal sensors Michael Kao
2020-01-03 6:44 ` [PATCH v3,8/8] thermal: mediatek: use spinlock to protect PTPCORESEL Michael Kao
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