linux-kernel - Re: [PATCH 2/2] ARM: dts: NSP: Add Thermal Support

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Date:   Thu, 27 Apr 2017 09:38:36 -0700
From:   Eduardo Valentin <edubezval@...il.com>
To:     Jon Mason <jon.mason@...adcom.com>
Cc:     Florian Fainelli <florian.fainelli@...adcom.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: NSP: Add Thermal Support

On Tue, Apr 25, 2017 at 04:49:11PM -0400, Jon Mason wrote:
> Add thermal support via the ns-thermal driver and create a single
> thermal zone for the entire SoC.
> 
> Signed-off-by: Jon Mason <jon.mason@...adcom.com>

Acked-by: Eduardo Valentin <edubezval@...il.com>

> ---
>  arch/arm/boot/dts/bcm-nsp.dtsi | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
> index 832795b..be6fcfb 100644
> --- a/arch/arm/boot/dts/bcm-nsp.dtsi
> +++ b/arch/arm/boot/dts/bcm-nsp.dtsi
> @@ -383,6 +383,12 @@
>  			      <0x3f408 0x04>;
>  		};
>  
> +		thermal: thermal@...c0 {
> +			compatible = "brcm,ns-thermal";
> +			reg = <0x3f2c0 0x10>;
> +			#thermal-sensor-cells = <0>;
> +		};
> +
>  		sata_phy: sata_phy@...00 {
>  			compatible = "brcm,iproc-nsp-sata-phy";
>  			reg = <0x40100 0x340>;
> @@ -533,4 +539,24 @@
>  			brcm,pcie-msi-inten;
>  		};
>  	};
> +
> +	thermal-zones {
> +		cpu-thermal {
> +			polling-delay-passive = <0>;
> +			polling-delay = <1000>;
> +			coefficients = <(-556) 418000>;
> +			thermal-sensors = <&thermal>;
> +
> +			trips {
> +				cpu-crit {
> +					temperature     = <125000>;
> +					hysteresis      = <0>;
> +					type            = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +			};
> +		};
> +	};
>  };
> -- 
> 2.7.4
> 

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