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Message-ID: <57836246.3010800@ti.com>
Date: Mon, 11 Jul 2016 14:39:26 +0530
From: Keerthy <a0393675@...com>
To: dawei chien <dawei.chien@...iatek.com>
CC: Zhang Rui <rui.zhang@...el.com>,
Eduardo Valentin <edubezval@...il.com>,
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 Monday 11 July 2016 02:26 PM, dawei chien wrote:
> Dear Keerthy,
>
> On Thu, 2016-07-07 at 17:39 +0530, Keerthy wrote:
>>
>> 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?
>
> Since MT2701 does not register CPUFREQ cooling device and its' own
> device node, I could not add cooling-maps so far.
> Could we add cooling map after CPUFREQ ready, thank you.
Okay. I was curious to know about the cooling agents.
>
>>
>>> 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>;
>>> + };
>>> };
>>>
>
>
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