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Mon, 22 Mar 2021 04:20:31 -0700 (PDT) MIME-Version: 1.0 References: <20210316070144.28440-1-michael.kao@mediatek.com> <20210316070144.28440-2-michael.kao@mediatek.com> In-Reply-To: <20210316070144.28440-2-michael.kao@mediatek.com> From: Hsin-Yi Wang Date: Mon, 22 Mar 2021 19:20:05 +0800 Message-ID: Subject: Re: [v7,1/3] arm64: dts: mt8183: add thermal zone node To: Michael Kao Cc: fan.chen@mediatek.com, Zhang Rui , Daniel Lezcano , Linux PM , srv_heupstream@mediatek.com, Eduardo Valentin , Rob Herring , Mark Rutland , Matthias Brugger , Devicetree List , lkml , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "moderated list:ARM/Mediatek SoC support" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Tue, Mar 16, 2021 at 3:02 PM Michael Kao wrote: > > From: "michael.kao" > > Add thermal zone node to Mediatek MT8183 dts file. > > Evaluate the thermal zone every 500ms while not cooling > and every 100ms when passive cooling is performed. > > Signed-off-by: Matthias Kaehlcke > Signed-off-by: Michael Kao Tested-by: Hsin-Yi Wang Tested this patch on mt8183 devices. > --- > 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 5b782a4769e7..d3550af06408 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi > @@ -657,6 +657,87 @@ > status = "disabled"; > }; > > + thermal: thermal@1100b000 { > + #thermal-sensor-cells = <1>; > + compatible = "mediatek,mt8183-thermal"; > + reg = <0 0x1100b000 0 0x1000>; > + clocks = <&infracfg CLK_INFRA_THERM>, > + <&infracfg CLK_INFRA_AUXADC>; > + clock-names = "therm", "auxadc"; > + resets = <&infracfg MT8183_INFRACFG_AO_THERM_SW_RST>; > + interrupts = <0 76 IRQ_TYPE_LEVEL_LOW>; > + mediatek,auxadc = <&auxadc>; > + mediatek,apmixedsys = <&apmixedsys>; > + nvmem-cells = <&thermal_calibration>; > + nvmem-cell-names = "calibration-data"; > + }; > + > + thermal-zones { > + cpu_thermal: cpu_thermal { > + polling-delay-passive = <100>; > + polling-delay = <500>; > + thermal-sensors = <&thermal 0>; > + sustainable-power = <5000>; > + }; > + > + /* The tzts1 ~ tzts6 don't need to polling */ > + /* The tzts1 ~ tzts6 don't need to thermal throttle */ > + > + tzts1: tzts1 { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 1>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + > + tzts2: tzts2 { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 2>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + > + tzts3: tzts3 { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 3>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + > + tzts4: tzts4 { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 4>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + > + tzts5: tzts5 { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 5>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + > + tztsABB: tztsABB { > + polling-delay-passive = <0>; > + polling-delay = <0>; > + thermal-sensors = <&thermal 6>; > + sustainable-power = <5000>; > + trips {}; > + cooling-maps {}; > + }; > + }; > + > pwm0: pwm@1100e000 { > compatible = "mediatek,mt8183-disp-pwm"; > reg = <0 0x1100e000 0 0x1000>; > @@ -926,6 +1007,10 @@ > reg = <0 0x11f10000 0 0x1000>; > #address-cells = <1>; > #size-cells = <1>; > + thermal_calibration: calib@180 { > + reg = <0x180 0xc>; > + }; > + > mipi_tx_calibration: calib@190 { > reg = <0x190 0xc>; > }; > -- > 2.18.0 >