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Message-ID: <20231012213316.GA2659196@google.com>
Date:   Fri, 13 Oct 2023 05:33:16 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Alexandre Mergnat <amergnat@...libre.com>, matthias.bgg@...il.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v2 1/4] arm64: dts: mediatek: cherry: Add platform
 thermal configuration

Hi Angelo

On Tue, Apr 25, 2023 at 01:46:42PM +0200, Alexandre Mergnat wrote:
> On 24/04/2023 13:25, AngeloGioacchino Del Regno wrote:
> > This platform has three auxiliary NTC thermistors, connected to the
> > SoC's ADC pins. Enable the auxadc in order to be able to read the
> > ADC values, add a generic-adc-thermal LUT for each and finally assign
> > them to the SoC's thermal zones.
> > 
> > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> > Tested-by: Chen-Yu Tsai <wenst@...omium.org>
> > Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
> > ---
> >   .../boot/dts/mediatek/mt8195-cherry.dtsi      | 105 ++++++++++++++++++
> >   1 file changed, 105 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > index 8ac80a136c37..4229f4f7dc2f 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > @@ -114,6 +114,77 @@ ppvar_sys: regulator-ppvar-sys {
> >   		regulator-boot-on;
> >   	};
> > +	/* Murata NCP03WF104F05RL */
> > +	tboard_thermistor1: thermal-sensor-t1 {
> > +		compatible = "generic-adc-thermal";
> > +		#thermal-sensor-cells = <0>;
> > +		io-channels = <&auxadc 0>;
> > +		io-channel-names = "sensor-channel";
> > +		temperature-lookup-table = <	(-10000) 1553
> > +						(-5000) 1485
> > +						0 1406
> > +						5000 1317
> > +						10000 1219
> > +						15000 1115
> > +						20000 1007
> > +						25000 900
> > +						30000 796
> > +						35000 697
> > +						40000 605
> > +						45000 523
> > +						50000 449
> > +						55000 384
> > +						60000 327
> > +						65000 279
> > +						70000 237
> > +						75000 202
> > +						80000 172
> > +						85000 147
> > +						90000 125
> > +						95000 107
> > +						100000 92
> > +						105000 79
> > +						110000 68
> > +						115000 59
> > +						120000 51
> > +						125000 44>;
> > +	};
> > +
> > +	tboard_thermistor2: thermal-sensor-t2 {
> > +		compatible = "generic-adc-thermal";
> > +		#thermal-sensor-cells = <0>;
> > +		io-channels = <&auxadc 1>;
> > +		io-channel-names = "sensor-channel";
> > +		temperature-lookup-table = <	(-10000) 1553
> > +						(-5000) 1485
> > +						0 1406
> > +						5000 1317
> > +						10000 1219
> > +						15000 1115
> > +						20000 1007
> > +						25000 900
> > +						30000 796
> > +						35000 697
> > +						40000 605
> > +						45000 523
> > +						50000 449
> > +						55000 384
> > +						60000 327
> > +						65000 279
> > +						70000 237
> > +						75000 202
> > +						80000 172
> > +						85000 147
> > +						90000 125
> > +						95000 107
> > +						100000 92
> > +						105000 79
> > +						110000 68
> > +						115000 59
> > +						120000 51
> > +						125000 44>;
> > +	};
> > +
> >   	usb_vbus: regulator-5v0-usb-vbus {
> >   		compatible = "regulator-fixed";
> >   		regulator-name = "usb-vbus";
> > @@ -260,6 +331,10 @@ &gpu {
> >   	mali-supply = <&mt6315_7_vbuck1>;
> >   };
> > +&auxadc {
> 
> Can you put it in alphabetical order please. ?

I believe this patch needs to be respun?

> > +	status = "okay";
> > +};
> > +
> >   &i2c0 {
> >   	status = "okay";
> > @@ -1098,6 +1173,36 @@ mt6315_7_vbuck1: vbuck1 {
> >   	};
> >   };
> > +&thermal_zones {
> > +	soc-area-thermal {
> > +		polling-delay = <1000>;
> > +		polling-delay-passive = <250>;
> > +		thermal-sensors = <&tboard_thermistor1>;
> > +
> > +		trips {
> > +			trip-crit {
> > +				temperature = <84000>;
> > +				hysteresis = <1000>;
> > +				type = "critical";
> > +			};
> > +		};
> > +	};
> > +
> > +	pmic-area-thermal {
> > +		polling-delay = <1000>;
> > +		polling-delay-passive = <0>;
> > +		thermal-sensors = <&tboard_thermistor2>;
> > +
> > +		trips {
> > +			trip-crit {
> > +				temperature = <84000>;
> > +				hysteresis = <1000>;
> > +				type = "critical";
> > +			};
> > +		};
> > +	};
> > +};
> > +
> >   &u3phy0 {
> >   	status = "okay";
> >   };
> 
> After that:
> Reviewed-by: Alexandre Mergnat <amergnat@...libre.com>
> 
> Regards,
> Alexandre
> 

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