[PATCH 2/2] ARM: dts: bcm283x: Add critical thermal zone for GPU

[Eric Anholt]

Stefan Wahren <stefan.wahren at i2se.com> writes:

> Am 08.02.2017 um 05:23 schrieb Eduardo Valentin:
>> On Tue, Feb 07, 2017 at 08:19:31PM -0800, Eduardo Valentin wrote:
>>> On Sat, Feb 04, 2017 at 02:16:27PM +0000, Stefan Wahren wrote:
>>>> As suggested by Eduardo Valentin this adds the thermal zone for
>>>> the bcm2835 SoC. Since we currently don't have any cooling devices
>>>> leave this section empty.
>>>>
>>>> Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
>>>> ---
>>>>  arch/arm/boot/dts/bcm283x.dtsi |   19 +++++++++++++++++++
>>>>  1 file changed, 19 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
>>>> index 9c7ec7e..359da9d 100644
>>>> --- a/arch/arm/boot/dts/bcm283x.dtsi
>>>> +++ b/arch/arm/boot/dts/bcm283x.dtsi
>>>> @@ -19,6 +19,25 @@
>>>>  		bootargs = "earlyprintk console=ttyAMA0";
>>>>  	};
>>>>  
>>>> +	thermal-zones {
>>>> +		gpu_thermal: gpu-thermal {
>>>> +			polling-delay-passive = <0>;
>>>> +			polling-delay = <1000>;
>>>> +
>>>> +			thermal-sensors = <&thermal>;
>> Just came to my mind, dont you need to have an id to specify with sensor
>> points to gpu?
>
> Sorry, i don't know the exact setup of the single thermal sensor on the
> SoC (datasheet doesn't provide any helpful information). I adapted the
> Renesas R-Car thermal binding because i think it would be the best match.
>
> @Eric: What's your opinion?

I don't understand the question.
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