Re: [PATCH 07/10] ARM: dts: Add thermal zone and cpufreq node for exynos3250-artik5 module
From: Chanwoo Choi
Date: Mon Mar 14 2016 - 03:13:53 EST
On 2016ë 03ì 14ì 16:06, Krzysztof Kozlowski wrote:
> On 14.03.2016 11:04, Chanwoo Choi wrote:
>> This patch enables the CPU frequency scaling for exynos3250-artik5 module
>> and adds the thernal zones with cpu cooling device to prevent the overheat
>> temperature.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/exynos3250-artik5.dtsi | 23 +++++++++++++++++++++++
>> 1 file changed, 23 insertions(+)
>
> The patch looks good but just squash it with 5/10 unless there is some
> benefit by splitting the features for many patches. The benefit would be
> for example submitting the work partially, in steps, following principle
> release-early-release-often... but this is not the case. You have
> everything ready and tested.
OK. I'll merge this patch with 5/10 patch.
Best Regards,
Chanwoo Choi
>
> BR,
> Krzysztof
>
>>
>> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> index 75b291c10cdc..877e4827df83 100644
>> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> @@ -31,6 +31,25 @@
>> compatible = "samsung,secure-firmware";
>> reg = <0x0205F000 0x1000>;
>> };
>> +
>> + thermal-zones {
>> + cpu_thermal: cpu-thermal {
>> + cooling-maps {
>> + map0 {
>> + /* Corresponds to 500MHz */
>> + cooling-device = <&cpu0 5 5>;
>> + };
>> + map1 {
>> + /* Corresponds to 200MHz */
>> + cooling-device = <&cpu0 8 8>;
>> + };
>> + };
>> + };
>> + };
>> +};
>> +
>> +&cpu0 {
>> + cpu0-supply = <&buck2_reg>;
>> };
>>
>> &i2c_0 {
>> @@ -296,6 +315,10 @@
>> status = "okay";
>> };
>>
>> +&tmu {
>> + status = "okay";
>> +};
>> +
>> &xusbxti {
>> clock-frequency = <24000000>;
>> };
>>
>
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