linux-kernel - Re: [PATCH 3/3] arm: dts: thermal: add thermal/auxadc node.

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Date:	Thu, 7 Jul 2016 17:39:01 +0530
From:	Keerthy <a0393675@...com>
To:	Dawei Chien <dawei.chien@...iatek.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@...linux.org.uk>,
	Matthias Brugger <matthias.bgg@...il.com>,
	<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>,
	<srv_heupstream@...iatek.com>,
	Sascha Hauer <kernel@...gutronix.de>,
	Fan Chen <fan.chen@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Erin Lo <erin.lo@...iatek.com>
Subject: Re: [PATCH 3/3] arm: dts: thermal: add thermal/auxadc node.



On Thursday 07 July 2016 02:36 PM, Dawei Chien wrote:
> This adds the thermal controller and auxadc nodes
> to the Mediatek MT2701 dtsi file.
>
> Signed-off-by: Dawei Chien <dawei.chien@...iatek.com>
> ---
> This patch depned on:
> https://patchwork.kernel.org/patch/9213545/
> ---
>   arch/arm/boot/dts/mt2701.dtsi |   43 +++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
> index 2ac8b50..0834a23 100644
> --- a/arch/arm/boot/dts/mt2701.dtsi
> +++ b/arch/arm/boot/dts/mt2701.dtsi
> @@ -77,6 +77,36 @@
>   		#clock-cells = <0>;
>   	};
>
> +	thermal-zones {
> +		cpu_thermal: cpu_thermal {
> +			polling-delay-passive = <1000>; /* milliseconds */
> +			polling-delay = <1000>; /* milliseconds */
> +
> +			thermal-sensors = <&thermal 0>;
> +			sustainable-power = <1000>;
> +
> +			trips {
> +				threshold: trip-point@0 {
> +					temperature = <68000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				target: trip-point@1 {
> +					temperature = <85000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				cpu_crit: cpu_crit@0 {
> +					temperature = <115000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
> +

are there any corresponding cooling-maps?

>   	timer {
>   		compatible = "arm,armv7-timer";
>   		interrupt-parent = <&gic>;
> @@ -183,4 +213,17 @@
>   		clocks = <&uart_clk>;
>   		status = "disabled";
>   	};
> +
> +	thermal: thermal@...0b000 {
> +		#thermal-sensor-cells = <0>;
> +		compatible = "mediatek,mt2701-thermal";
> +		reg = <0 0x1100b000 0 0x1000>;
> +		interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_LOW>;
> +		clocks = <&pericfg CLK_PERI_THERM>, <&pericfg CLK_PERI_AUXADC>;
> +		clock-names = "therm", "auxadc";
> +		resets = <&pericfg 0x10>;
> +		reset-names = "therm";
> +		mediatek,auxadc = <&auxadc>;
> +		mediatek,apmixedsys = <&apmixedsys>;
> +	};
>   };
>