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Re: [PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420

From Punit Agrawal <punit.agrawal@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420
Date 2016-02-18 19:00 +0100
Message-ID <r3B1V-Ga-15@gated-at.bofh.it> (permalink)
References <r3pap-EO-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Krzysztof,

Krzysztof Kozlowski <k.kozlowski@samsung.com> writes:

> On Exynos5420 we support 8 cpufreq steps (600-1300 MHz) for LITTLE and
> 12 steps for big core (700-1800 MHz). Add respective cooling cells.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>
> ---
>
> Changes since v1:
> 1. Add cooling properties to all CPUs (suggested by Viresh).
> ---
>  arch/arm/boot/dts/exynos5420-cpus.dtsi | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5420-cpus.dtsi b/arch/arm/boot/dts/exynos5420-cpus.dtsi
> index 261d25173f61..5c052d7ff554 100644
> --- a/arch/arm/boot/dts/exynos5420-cpus.dtsi
> +++ b/arch/arm/boot/dts/exynos5420-cpus.dtsi
> @@ -33,6 +33,9 @@
>  			clock-frequency = <1800000000>;
>  			cci-control-port = <&cci_control1>;
>  			operating-points-v2 = <&cluster_a15_opp_table>;
> +			cooling-min-level = <0>;
> +			cooling-max-level = <11>;

Although the above two properties are defined they aren't parsed in the
kernel.

Setting min / max extents for cooling devices via cooling maps does work
though.


[...]

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Thread

[PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-02-18 06:20 +0100
  [PATCH v2 2/3] ARM: dts: Add cooling levels for CPUs on exynos5422/5800 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-02-18 06:20 +0100
    Re: [PATCH v2 2/3] ARM: dts: Add cooling levels for CPUs on  exynos5422/5800 Viresh Kumar <viresh.kumar@linaro.org> - 2016-02-18 07:30 +0100
  [PATCH v2 3/3] ARM: dts: Don't overheat the Odroid XU3-Lite on high  load Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-02-18 06:20 +0100
    Re: [PATCH v2 3/3] ARM: dts: Don't overheat the Odroid XU3-Lite on  high load Viresh Kumar <viresh.kumar@linaro.org> - 2016-02-18 07:30 +0100
  Re: [PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420 Punit Agrawal <punit.agrawal@arm.com> - 2016-02-18 19:00 +0100
    Re: [PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420 Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-02-19 05:00 +0100
      Re: [PATCH v2 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420 Punit Agrawal <punit.agrawal@arm.com> - 2016-02-22 12:30 +0100

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