From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eduardo Valentin <edubezval@gmail.com>
Subject: Re: [PATCH v5 3/4] ARM: tegra: Add thermal trip points for Jetson TK1
Date: Wed, 24 Sep 2014 14:41:58 -0400
Message-ID: <20140924184157.GB7593@developer>
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To: Mikko Perttunen <mikko.perttunen@kapsi.fi>
Cc: Mikko Perttunen <mperttunen@nvidia.com>, rui.zhang@intel.com, swarren@wwwdotorg.org, thierry.reding@gmail.com, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, juha-matti.tilli@iki.fi

On Wed, Sep 24, 2014 at 09:34:16PM +0300, Mikko Perttunen wrote:
> On 09/24/2014 09:32 PM, Eduardo Valentin wrote:
> > 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@nvidia.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?
> 
> There is currently no cooling device to map to.

Not even cpufreq cooling? Is CPUfreq operational in Tegra?

> 
> Mikko
> 
> >
> >>   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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> >
>