Messages in this thread | | | Date | Wed, 24 Sep 2014 21:43:55 +0300 | From | Mikko Perttunen <> | Subject | Re: [PATCH v5 3/4] ARM: tegra: Add thermal trip points for Jetson TK1 |
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On 09/24/2014 09:41 PM, Eduardo Valentin wrote: > 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?
Indeed, it is not currently operational (except on Tegra20). There is a series for Tegra124 but it needs more work. Not going in during this cycle.
> >> >> 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 >>>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-tegra" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >>
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