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<270efbcf-51bb-629f-c64b-fa343b3d2988@linaro.org> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 1ntn9O/39KqSrWNGvm+1raHK+Ev1yPtn0Wxn+0oy1tl67TxUjQARAQABtClNYXR0aGlhcyBC cnVnZ2VyIDxtYXR0aGlhcy5iZ2dAZ21haWwuY29tPokCUgQTAQIAPAIbAwYLCQgHAwIGFQgC 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en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200220_125730_992954_412E6B73 X-CRM114-Status: GOOD ( 18.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Eduardo Valentin , Rob Herring , linux-mediatek@lists.infradead.org, hsinyi@chromium.org, Zhang Rui , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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" >>>> >>>> Add thermal zone node to Mediatek MT8183 dts file. >>>> >>>> Signed-off-by: Michael Kao >>>> --- >>>> 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel