linux-kernel - Re: [PATCH v3,1/8] arm64: dts: mt8183: add thermal zone node

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Message-ID: <00c8be46-3ba1-571a-0230-7c722ce1901e@linaro.org>
Date:   Thu, 9 Jan 2020 12:31:39 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Michael Kao <michael.kao@...iatek.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>, hsinyi@...omium.org,
        linux-pm@...r.kernel.org, srv_heupstream@...iatek.com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3,1/8] arm64: dts: mt8183: add thermal zone node

On 03/01/2020 07:44, Michael Kao wrote:
> From: "michael.kao" <michael.kao@...iatek.com>
> 
> Add thermal zone node to Mediatek MT8183 dts file.
> 
> Signed-off-by: Michael Kao <michael.kao@...iatek.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@...0b000 {
> +			#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?

> +			clocks = <&infracfg CLK_INFRA_THERM>,
> +				 <&infracfg CLK_INFRA_AUXADC>;
> +			clock-names = "therm", "auxadc";
> +			resets = <&infracfg  MT8183_INFRACFG_AO_THERM_SW_RST>;
> +			mediatek,auxadc = <&auxadc>;
> +			mediatek,apmixedsys = <&apmixedsys>;
> +			mediatek,hw-reset-temp = <117000>;
> +			nvmem-cells = <&thermal_calibration>;
> +			nvmem-cell-names = "calibration-data";
> +		};
> +
> +		thermal-zones {
> +			cpu_thermal: cpu_thermal {
> +				polling-delay-passive = <1000>;
> +				polling-delay = <1000>;

[ ... ]






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