[RFC 1/3] ARM: dts: Add cooling levels for CPUs on exynos5420

Krzysztof Kozlowski k.kozlowski at samsung.com
Tue Feb 16 23:05:55 PST 2016


On 17.02.2016 16:01, Viresh Kumar wrote:
> On 17-02-16, 15:55, Krzysztof Kozlowski wrote:
>> 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 at samsung.com>
>> ---
>>  arch/arm/boot/dts/exynos5420-cpus.dtsi | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5420-cpus.dtsi b/arch/arm/boot/dts/exynos5420-cpus.dtsi
>> index 261d25173f61..498ae82e1cb2 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>;
>> +			#cooling-cells = <2>; /* min followed by max */
>>  		};
>>  
>>  		cpu1: cpu at 1 {
>> @@ -70,6 +73,9 @@
>>  			clock-frequency = <1000000000>;
>>  			cci-control-port = <&cci_control0>;
>>  			operating-points-v2 = <&cluster_a7_opp_table>;
>> +			cooling-min-level = <0>;
>> +			cooling-max-level = <7>;
>> +			#cooling-cells = <2>; /* min followed by max */
>>  		};
> 
> Though it wouldn't matter (for the issue you are getting), but this should be
> added for all the CPUs in case some other CPU is booted first.

Thanks! I'll fix it also for patch 2/3.

Best regards,
Krzysztof




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