linux-kernel - Re: [PATCH v5 3/4] ARM: tegra: Add thermal trip points for Jetson TK1

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Message-ID: <20140924183204.GE27076@developer>
Date:	Wed, 24 Sep 2014 14:32:06 -0400
From:	Eduardo Valentin <edubezval@...il.com>
To:	Mikko Perttunen <mperttunen@...dia.com>
Cc:	rui.zhang@...el.com, swarren@...dotorg.org,
	thierry.reding@...il.com, linux-pm@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, juha-matti.tilli@....fi
Subject: Re: [PATCH v5 3/4] ARM: tegra: Add thermal trip points for Jetson TK1

Hello Mikko,

On Thu, Aug 21, 2014 at 01:17:21PM +0300, Mikko Perttunen wrote:
> This adds critical trip points to the Jetson TK1 device tree.
> The device will do a controlled shutdown when either the CPU, GPU
> or MEM thermal zone reaches 101 degrees Celsius.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
> v5: added cooling-maps nodes
> 

OK. But no cooling map entry in it. What was the reason again you don't
need/want to add the maps?

>  arch/arm/boot/dts/tegra124-jetson-tk1.dts | 41 +++++++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
> index 0cdb5cf..bcdab7f 100644
> --- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
> +++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
> @@ -1876,4 +1876,45 @@
>  			 <&tegra_car TEGRA124_CLK_EXTERN1>;
>  		clock-names = "pll_a", "pll_a_out0", "mclk";
>  	};
> +
> +	thermal-zones {
> +		cpu {
> +			trips {
> +				trip@0 {
> +					temperature = <101000>;
> +					hysteresis = <0>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +			};
> +		};
> +
> +		mem {
> +			trips {
> +				trip@0 {
> +					temperature = <101000>;
> +					hysteresis = <0>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +			};
> +		};
> +
> +		gpu {
> +			trips {
> +				trip@0 {
> +					temperature = <101000>;
> +					hysteresis = <0>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +			};
> +		};
> +	};
>  };
> -- 
> 1.8.1.5
> 
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