[PATCH 10/10] ARM: dts: Add PPMU node for exynos3250-artik5 module

Chanwoo Choi cw00.choi at samsung.com
Mon Mar 14 01:43:41 PDT 2016


On 2016년 03월 14일 17:34, Krzysztof Kozlowski wrote:
> On 14.03.2016 11:04, Chanwoo Choi wrote:
>> This patch adds PPMU (Platform Performance Monitoring Unit) Device Tree node
>> for Exynos3250 based ARTIK5 module. The PPMU node is used to get the
>> utilization of DMC0/DMC1/LEFTBUS/RIGHTBUS Block.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi at samsung.com>
>> ---
>>  arch/arm/boot/dts/exynos3250-artik5.dtsi | 36 ++++++++++++++++++++++++++++++++
>>  1 file changed, 36 insertions(+)
> 
> What is the status with your devfreq patches? Instead of this one, there
> should be just:
> 	#include "exynos4412-ppmu-common.dtsi"
> (squashed into patch 5/10).

I'm not working the devfreq patches(exynos-bus). Sorry for delay.
I'll again implement them by using DEVFREQ_NOTIFIER style according to (Myungjoo Ham's comment)

I drop the this patch on v2 patchset. After implementing the exynos-bus driver,
I'll send it.

Best Regards,
Chanwoo Choi

> 
> Best regards,
> Krzysztof
> 
>> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> index 673883fda480..995356708b7d 100644
>> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
>> @@ -321,6 +321,42 @@
>>  	status = "okay";
>>  };
>>  
>> +&ppmu_dmc0 {
>> +	status = "okay";
>> +	events {
>> +		ppmu_dmc0_3: ppmu-event3-dmc0 {
>> +			event-name = "ppmu-event3-dmc0";
>> +		};
>> +	};
>> +};
>> +
>> +&ppmu_dmc1 {
>> +	status = "okay";
>> +	events {
>> +		ppmu_dmc1_3: ppmu-event3-dmc1 {
>> +			event-name = "ppmu-event3-dmc1";
>> +		};
>> +	};
>> +};
>> +
>> +&ppmu_leftbus {
>> +	status = "okay";
>> +	events {
>> +		ppmu_leftbus_3: ppmu-event3-leftbus {
>> +			event-name = "ppmu-event3-leftbus";
>> +		};
>> +	};
>> +};
>> +
>> +&ppmu_rightbus {
>> +	status = "okay";
>> +	events {
>> +		ppmu_rightbus_3: ppmu-event3-rightbus {
>> +			event-name = "ppmu-event3-rightbus";
>> +		};
>> +	};
>> +};
>> +
>>  &tmu {
>>  	status = "okay";
>>  };
>>
> 
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