linux-kernel - Re: [PATCH v3 4/4] ARM: tegra: dalmore: add thermal zones for nct1008

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Date:	Tue, 26 Aug 2014 10:24:42 +0800
From:	Wei Ni <wni@...dia.com>
To:	Eduardo Valentin <edubezval@...il.com>
CC:	<khali@...ux-fr.org>, <linux@...ck-us.net>,
	<swarren@...dotorg.org>, <lm-sensors@...sensors.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/4] ARM: tegra: dalmore: add thermal zones for nct1008

On 08/25/2014 07:10 PM, Eduardo Valentin wrote:
> On Mon, Aug 25, 2014 at 02:29:48PM +0800, Wei Ni wrote:
>> From: lightning314 <wni@...dia.com>
>>
>> Add dt node to describe the thermal zone for the nct1008.
>>
>> Signed-off-by: Wei Ni <wni@...dia.com>
>> ---
>>  arch/arm/boot/dts/tegra114-dalmore.dts | 20 +++++++++++++++++++-
>>  1 file changed, 19 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
>> index 5c21d21..94a1b5d 100644
>> --- a/arch/arm/boot/dts/tegra114-dalmore.dts
>> +++ b/arch/arm/boot/dts/tegra114-dalmore.dts
>> @@ -779,12 +779,14 @@
>>  				<&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
>>  		};
>>  
>> -		temperature-sensor@4c {
>> +		nct1008: temperature-sensor@4c {
>>  			compatible = "onnn,nct1008";
>>  			reg = <0x4c>;
>>  			vcc-supply = <&palmas_ldo6_reg>;
>>  			interrupt-parent = <&gpio>;
>>  			interrupts = <TEGRA_GPIO(O, 4) IRQ_TYPE_LEVEL_LOW>;
>> +
>> +			#thermal-sensor-cells = <1>;
>>  		};
>>  	};
>>  
>> @@ -1283,4 +1285,20 @@
>>  			 <&tegra_car TEGRA114_CLK_EXTERN1>;
>>  		clock-names = "pll_a", "pll_a_out0", "mclk";
>>  	};
>> +
>> +	thermal-zones {
>> +		nct1008-local {
> 
> at this level, can the thermal zone name be a meaningful string? What
> part of the hardware does the local and remote monitors the the dalmore
> platform?

Oh, yes, you are right.
I think it's better to use "board_thermal_sensor: nct1008-local" and
"diode_thermal_sensor: nct1008-remote".

Thanks.
Wei.

> 
>> +			polling-delay-passive = <2000>; /* milliseconds */
>> +			polling-delay = <0>; /* milliseconds */
>> +
>> +			thermal-sensors = <&nct1008 0>;
>> +		};
>> +
>> +		nct1008-remote {
>> +			polling-delay-passive = <1000>; /* milliseconds */
>> +			polling-delay = <0>; /* milliseconds */
>> +
>> +			thermal-sensors = <&nct1008 1>;
>> +		};
>> +	};
>>  };
>> -- 
>> 1.8.1.5
>>

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