linux-kernel - Re: [linux-sunxi] [PATCH 13/16] arm: dts: sun8i: h3: add thermal zone to H3

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Date:   Fri, 26 Jan 2018 18:48:39 +0100
From:   Philipp Rossak <embed3d@...il.com>
To:     Samuel Holland <samuel@...lland.org>, lee.jones@...aro.org,
        robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux@...linux.org.uk, jic23@...nel.org, knaack.h@....de,
        lars@...afoo.de, pmeerw@...erw.net, davem@...emloft.net,
        hans.verkuil@...co.com, mchehab@...nel.org, rask@...melder.dk,
        clabbe.montjoie@...il.com, sean@...s.org, krzk@...nel.org,
        quentin.schulz@...e-electrons.com, icenowy@...c.io,
        edu.molinas@...il.com, singhalsimran0@...il.com
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [PATCH 13/16] arm: dts: sun8i: h3: add thermal zone
 to H3



On 26.01.2018 17:26, Samuel Holland wrote:
> On 01/26/18 09:19, Philipp Rossak wrote:
>> This patch adds the thermal zones to the H3. We have only one sensor and
>> that is placed in the cpu.
>>
>> Signed-off-by: Philipp Rossak <embed3d@...il.com>
>> ---
>>   arch/arm/boot/dts/sun8i-h3.dtsi | 9 +++++++++
>>   1 file changed, 9 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
>> index fbb007e5798e..3f83f6a27c74 100644
>> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
>> @@ -72,6 +72,15 @@
>>   		};
>>   	};
>>   
>> +	thermal-zones {
>> +		cpu-thermal {
>> +			/* milliseconds */
>> +			polling-delay-passive = <250>;
>> +			polling-delay = <1000>;
>> +			thermal-sensors = <&ths 0>;
> 
> If #thermal-sensor-cells = <0>, shouldn't this just be <&ths> ?
I think both works, but I my intention was to have an accurate 
description in DT.
I thought that that is important in DT.

>> +		};
>> +	};
>> +
>>   	timer {
>>   		compatible = "arm,armv7-timer";
>>   		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
>>
> 
> Thanks,
> Samuel
> 
Regards,
Philipp