Re: [PATCHv5 10/20] arm: dts: add omap4430 thermal data

From: Eduardo Valentin
Date: Thu Nov 21 2013 - 10:38:44 EST


On 20-11-2013 08:32, Pavel Machek wrote:
> HI!
>
>> This patch changes the dtsi entry on omap4430 to contain
>> the thermal data. This data will enable the passive
>> cooling with CPUfreq cooling device at 100C and the
>> system will do a thermal shutdown at 125C.
>>
>> Cc: "Benoît Cousson" <bcousson@xxxxxxxxxxxx>
>> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
>> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
>> Cc: linux-omap@xxxxxxxxxxxxxxx
>> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
>> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
>> ---
>> arch/arm/boot/dts/omap443x.dtsi | 10 ++++++++--
>> 1 file changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
>> index bcf455e..e9c97d6 100644
>> --- a/arch/arm/boot/dts/omap443x.dtsi
>> +++ b/arch/arm/boot/dts/omap443x.dtsi
>> @@ -12,7 +12,7 @@
>>
>> / {
>> cpus {
>> - cpu@0 {
>> + cpu0: cpu@0 {
>> /* OMAP443x variants OPP50-OPPNT */
>> operating-points = <
>> /* kHz uV */
>
> I see you also add labels to various other entries...

I think I didn't quite get your point here. Can you please elaborate?

This label has been added because it will be used in thermal zone while
referencing the cooling device.

>
>> @@ -25,9 +25,15 @@
>> };
>> };
>>
>> - bandgap {
>> + thermal-zones{
>
> You may want to include space here.

OK.

>
>> + #include "omap4-cpu-thermal.dtsi"
>> + };
>> +
>> + bandgap: bandgap {
>> reg = <0x4a002260 0x4
>> 0x4a00232C 0x4>;
>> compatible = "ti,omap4430-bandgap";
>> +
>> + #thermal-sensor-cells = <0>;
>> };
>> };
>


--
You have got to be excited about what you are doing. (L. Lamport)

Eduardo Valentin

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