From mboxrd@z Thu Jan  1 00:00:00 1970
From: matthias.bgg@gmail.com (Matthias Brugger)
Date: Mon, 22 Aug 2016 19:09:56 +0200
Subject: [PATCH 3/3] arm: dts: thermal: add thermal/auxadc node.
In-Reply-To: <1471245268.14287.14.camel@mtksdaap41>
References: <1467882386-40544-1-git-send-email-dawei.chien@mediatek.com>
 <1467882386-40544-4-git-send-email-dawei.chien@mediatek.com>
 <fd3f0c2f-f0ad-dd0f-cf2b-eb658f72d735@gmail.com>
 <1471245268.14287.14.camel@mtksdaap41>
Message-ID: <7a7684dc-aea5-15f8-04fb-494b2085a3fe@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org



On 15/08/16 09:14, dawei chien wrote:
> Hi Matthias,
>
> On Thu, 2016-08-11 at 17:51 +0200, Matthias Brugger wrote:
>>
>> On 07/07/16 11:06, Dawei Chien wrote:
>>> This adds the thermal controller and auxadc nodes
>>> to the Mediatek MT2701 dtsi file.
>>>
>>> Signed-off-by: Dawei Chien <dawei.chien@mediatek.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 at 0 {
>>> +					temperature = <68000>;
>>> +					hysteresis = <2000>;
>>> +					type = "passive";
>>> +				};
>>> +
>>> +				target: trip-point at 1 {
>>> +					temperature = <85000>;
>>> +					hysteresis = <2000>;
>>> +					type = "passive";
>>> +				};
>>> +
>>> +				cpu_crit: cpu_crit at 0 {
>>> +					temperature = <115000>;
>>> +					hysteresis = <2000>;
>>> +					type = "critical";
>>> +				};
>>> +			};
>>> +		};
>>> +	};
>>> +
>>>  	timer {
>>>  		compatible = "arm,armv7-timer";
>>>  		interrupt-parent = <&gic>;
>>> @@ -183,4 +213,17 @@
>>>  		clocks = <&uart_clk>;
>>>  		status = "disabled";
>>>  	};
>>> +
>>> +	thermal: thermal at 1100b000 {
>>> +		#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>;
>>> +	};
>>>  };
>>>
>>
>> what about:
>> status = "disabled"; ?
>
> Since thermal driver would protect our platform by shutdown method once
> SoC temperature over critical point, I prefer keep this rather than
> disabling, how do you think, thank you.
>

Sounds reasonable. Thanks