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[81.172.61.185]) by smtp.gmail.com with ESMTPSA id n13sm25862628wrg.75.2021.06.09.01.14.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Jun 2021 01:14:03 -0700 (PDT) Subject: Re: [PATCH v3] arm64: dts: mt8183-kukui: Add tboard thermal zones To: Ben Tseng , Fan Chen , Zhang Rui , Daniel Lezcano , linux-pm@vger.kernel.org, srv_heupstream@mediatek.com Cc: Eduardo Valentin , Rob Herring , Mark Rutland , hsinyi@chromium.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com, Michael Kao References: <20210604093755.13288-1-ben.tseng@mediatek.com> From: Matthias Brugger Message-ID: <4b94148e-f52b-c8a0-d068-2b7b65f61240@gmail.com> Date: Wed, 9 Jun 2021 10:14:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210604093755.13288-1-ben.tseng@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 04/06/2021 11:37, Ben Tseng wrote: > From: Michael Kao > > Add tboard thermal zones. > The tboard thermal sensors are a kind of NTC sensors which are located > on PCB board to correlate the temperature of the case (Tskin). > > pull-up voltage: 1800 mv > pull-up resistor: 75K > > Vsense = pull-up voltage * Rntc / ( pull-up resistor + Rntc ) > AuxIn = Vsense * 4096 / 1500 > > Signed-off-by: Michael Kao > Signed-off-by: Ben Tseng > Tested-by: Hsin-Yi Wang > Applied to v5.13-next/dts64 Thanks! > --- > Change in v3: > - Modify Tboard to tbaord in mt8183-kukui.dtsi > - Add more description about tboard thermal sensor > > Change in v2: > - Rebase to kernel-v5.13-rc1 > - Resend > --- > arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 14 ++++++++++++++ > arch/arm64/boot/dts/mediatek/mt8183.dtsi | 2 +- > 2 files changed, 15 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi > index ff56bcf..601f866 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi > @@ -847,6 +847,20 @@ > status = "okay"; > }; > > +&thermal_zones { > + tboard1 { > + polling-delay = <1000>; /* milliseconds */ > + polling-delay-passive = <0>; /* milliseconds */ > + thermal-sensors = <&tboard_thermistor1>; > + }; > + > + tboard2 { > + polling-delay = <1000>; /* milliseconds */ > + polling-delay-passive = <0>; /* milliseconds */ > + thermal-sensors = <&tboard_thermistor2>; > + }; > +}; > + > &u3phy { > status = "okay"; > }; > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi > index c5e822b..4173a5d 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi > @@ -673,7 +673,7 @@ > nvmem-cell-names = "calibration-data"; > }; > > - thermal-zones { > + thermal_zones: thermal-zones { > cpu_thermal: cpu_thermal { > polling-delay-passive = <100>; > polling-delay = <500>; >