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

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Date:   Mon, 29 May 2017 09:30:09 -0700
From:   Eduardo Valentin <edubezval@...il.com>
To:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.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

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.


> +		};
> +	};
>  };
>  
>  &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
> 

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