linux-kernel - Re: [PATCHv4 11/18] arm: dts: add omap4430 thermal data

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Message-ID: <52458B59.8070703@ti.com>
Date:	Fri, 27 Sep 2013 09:42:49 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	Nishanth Menon <nm@...com>
CC:	Eduardo Valentin <eduardo.valentin@...com>,
	Mark Rutland <mark.rutland@....com>,
	dt list <devicetree@...r.kernel.org>, <wni@...dia.com>,
	<durgadoss.r@...el.com>, Ian Campbell <ian.campbell@...rix.com>,
	Pawel Moll <pawel.moll@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Tony Lindgren <tony@...mide.com>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-pm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Rob Herring <rob.herring@...xeda.com>,
	<lm-sensors@...sensors.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Benoît Cousson <bcousson@...libre.com>,
	Grant Likely <grant.likely@...aro.org>,
	Russell King <linux@....linux.org.uk>, <rui.zhang@...el.com>,
	linux-omap <linux-omap@...r.kernel.org>, <linux@...ck-us.net>
Subject: Re: [PATCHv4 11/18] arm: dts: add omap4430 thermal data

On 27-09-2013 09:26, Nishanth Menon wrote:
> On Fri, Sep 27, 2013 at 8:20 AM, Eduardo Valentin
> <eduardo.valentin@...com> wrote:
>> On 27-09-2013 08:24, Nishanth Menon wrote:
>>> On 23:13-20130926, Eduardo Valentin wrote:
>>>> 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@...libre.com>
>>>> Cc: Tony Lindgren <tony@...mide.com>
>>>> Cc: Russell King <linux@....linux.org.uk>
>>>> Cc: linux-omap@...r.kernel.org
>>>> Cc: devicetree-discuss@...ts.ozlabs.org
>>>> Cc: linux-arm-kernel@...ts.infradead.org
>>>> Cc: linux-kernel@...r.kernel.org
>>>> Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
>>>> ---
>>>>  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 */
>>>> @@ -25,9 +25,15 @@
>>>>              };
>>>>      };
>>>>
>>>> -    bandgap {
>>>> +    thermal-zones{
>>>> +            #include "omap4-cpu-thermal.dtsi"
>>>> +    };
>>>> +
>>>> +    bandgap: bandgap {
>>>>              reg = <0x4a002260 0x4
>>>>                     0x4a00232C 0x4>;
>>>>              compatible = "ti,omap4430-bandgap";
>>>> +
>>>> +            #thermal-sensor-cells = <0>;
>>> 2 cents:
>>> we might want to move bandgap under ocp?
>>>
>>
>> Yes, agreed. But I don't think this change is related to this patch or
>> to this series.
> 
> Correct - this comment is not related to the current patch, hence my 2
> cents ;) - will be nice to have it cleaned up though..

Yes, it will be cleaned. ;-) Tks.

> 
> Regards,
> Nishanth Menon
> 
> 


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

Eduardo Valentin


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