linux-kernel - Re: [PATCH 3/4] ARM: dts: uniphier: add nodes of thermal monitor and thermal zone for PXs2

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Message-Id: <20170530182550.6869.4A936039@socionext.com>
Date:   Tue, 30 May 2017 18:25:51 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Eduardo Valentin <edubezval@...il.com>
Cc:     rui.zhang@...el.com, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, yamada.masahiro@...ionext.com,
        masami.hiramatsu@...aro.org, jaswinder.singh@...aro.org
Subject: Re: [PATCH 3/4] ARM: dts: uniphier: add nodes of thermal monitor and thermal zone for PXs2

Hi Eduardo,
Thank you for your comment.

On Mon, 29 May 2017 09:30:09 -0700 Eduardo Valentin <edubezval@...il.com> wrote:

> On Mon, May 29, 2017 at 06:15:44PM +0900, Kunihiko Hayashi wrote:
> > Add nodes of thermal monitor and thermal zone for UniPhier PXs2 SoC.
> > The thermal monitor is included in sysctrl.
> > 
> > Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
> > ---
> >  arch/arm/boot/dts/uniphier-pxs2-gentil.dts | 21 +++++++++++++++++++++
> >  arch/arm/boot/dts/uniphier-pxs2-vodka.dts  | 21 +++++++++++++++++++++
> >  arch/arm/boot/dts/uniphier-pxs2.dtsi       |  6 ++++++
> >  3 files changed, 48 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/uniphier-pxs2-gentil.dts b/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
> > index 373818a..89ccb88 100644
> > --- a/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
> > +++ b/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
> > @@ -70,6 +70,27 @@
> >  		i2c5 = &i2c5;
> >  		i2c6 = &i2c6;
> >  	};
> > +
> > +	thermal-zones {
> > +		cpu_thermal {
> > +			polling-delay-passive = <250>;	/* 250ms */
> > +			polling-delay = <1000>;		/* 1000ms */
> > +			thermal-sensors = <&pvtctl>;
> > +
> > +			trips {
> > +				cpu_crit: cpu_crit {
> > +					temperature = <95000>;	/* 95C */
> > +					hysteresis = <2000>;
> > +					type = "critical";
> > +				};
> > +				cpu_alert: cpu_alert {
> > +					temperature = <85000>;	/* 85C */
> > +					hysteresis = <2000>;
> > +					type = "passive";
> > +				};
> > +			};
> These are missing cooling-maps section.

I see. I'll add the section including another nodes.

> > +		};
> > +	};
> >  };
> >  
> >  &serial2 {
> > diff --git a/arch/arm/boot/dts/uniphier-pxs2-vodka.dts b/arch/arm/boot/dts/uniphier-pxs2-vodka.dts
> > index 51a3eac..0201584 100644
> > --- a/arch/arm/boot/dts/uniphier-pxs2-vodka.dts
> > +++ b/arch/arm/boot/dts/uniphier-pxs2-vodka.dts
> > @@ -68,6 +68,27 @@
> >  		i2c5 = &i2c5;
> >  		i2c6 = &i2c6;
> >  	};
> > +
> > +	thermal-zones {
> > +		cpu_thermal {
> > +			polling-delay-passive = <250>;	/* 250ms */
> > +			polling-delay = <1000>;		/* 1000ms */
> > +			thermal-sensors = <&pvtctl>;
> > +
> > +			trips {
> > +				cpu_crit: cpu_crit {
> > +					temperature = <95000>;	/* 95C */
> > +					hysteresis = <2000>;
> > +					type = "critical";
> > +				};
> > +				cpu_alert: cpu_alert {
> > +					temperature = <85000>;	/* 85C */
> > +					hysteresis = <2000>;
> > +					type = "passive";
> > +				};
> > +			};
> 
> same
> 
> > +		};
> > +	};
> >  };
> >  
> >  &serial2 {
> > diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
> > index e9e031d..072e3b4 100644
> > --- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
> > +++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
> > @@ -387,6 +387,12 @@
> >  				compatible = "socionext,uniphier-pxs2-reset";
> >  				#reset-cells = <1>;
> >  			};
> > +
> > +			pvtctl: pvtctl {
> > +				compatible = "socionext,uniphier-pxs2-thermal";
> > +				interrupts = <0 3 1>;
> > +				#thermal-sensor-cells = <0>;
> > +			};
> >  		};
> >  	};
> >  };
> > -- 
> > 2.7.4
> > 

Best Regards,
Kunihiko Hayashi