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

[Punit Agrawal]

Hi Krzysztof,

Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> 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@xxxxxxxxxxx>
>
> ---
>
> 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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