diff mbox

ARM: dts: Add CPU cooling binding for Exynos3250-based Rinato/Monk board

Message ID 1435815465-501-1-git-send-email-cw00.choi@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Chanwoo Choi July 2, 2015, 5:37 a.m. UTC
This patch add the cooling device to control the overheating issue on
Exynos3250-based Rinato/Monk board.

Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
---
Depends on:
This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
[1] https://lkml.org/lkml/2015/7/1/696
    : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250

 arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
 arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
 arch/arm/boot/dts/exynos3250.dtsi       |  1 +
 3 files changed, 31 insertions(+)

Comments

Krzysztof Kozlowski July 2, 2015, 5:54 a.m. UTC | #1
On 02.07.2015 14:37, Chanwoo Choi wrote:
> This patch add the cooling device to control the overheating issue on
> Exynos3250-based Rinato/Monk board.
> 
> Cc: Kukjin Kim <kgene@kernel.org>
> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
> Depends on:
> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
> [1] https://lkml.org/lkml/2015/7/1/696
>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
> 
>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>  3 files changed, 31 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
> index 7863265d4868..540a0adf2be6 100644
> --- a/arch/arm/boot/dts/exynos3250-monk.dts
> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
> @@ -116,6 +116,21 @@
>  		min-microvolt = <1100000>;
>  		max-microvolt = <2700000>;
>  	};
> +
> +	thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			cooling-maps {
> +				map0 {
> +					/* Correspond to 500MHz at freq_table */
> +					cooling-device = <&cpu0 5 5>;
> +				};
> +				map1 {
> +					/* Correspond to 200MHz at freq_table */
> +					cooling-device = <&cpu0 8 8>;
> +				};
> +			};
> +		};
> +	};
>  };
>  
>  &adc {
> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
> index ddd7ac283045..0e62a6435e07 100644
> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
> @@ -107,6 +107,21 @@
>  		min-microvolt = <1100000>;
>  		max-microvolt = <2700000>;
>  	};
> +
> +	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>;
> +				};
> +			};
> +		};
> +	};
>  };
>  
>  &adc {
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index e0f3b2ed41a3..a4931b660ddb 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -55,6 +55,7 @@
>  			clock-frequency = <1000000000>;
>  			clocks = <&cmu CLK_ARM_CLK>;
>  			clock-names = "cpu";
> +			#cooling-cells = <2>;
>  

Don't you need also cooling-{min,max}-state properties?

Best regards,
Krzysztof

>  			operating-points = <
>  				1000000 1150000
> 

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Chanwoo Choi July 2, 2015, 6:11 a.m. UTC | #2
On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
> On 02.07.2015 14:37, Chanwoo Choi wrote:
>> This patch add the cooling device to control the overheating issue on
>> Exynos3250-based Rinato/Monk board.
>>
>> Cc: Kukjin Kim <kgene@kernel.org>
>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>> Depends on:
>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>> [1] https://lkml.org/lkml/2015/7/1/696
>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>
>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>  3 files changed, 31 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>> index 7863265d4868..540a0adf2be6 100644
>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>> @@ -116,6 +116,21 @@
>>  		min-microvolt = <1100000>;
>>  		max-microvolt = <2700000>;
>>  	};
>> +
>> +	thermal-zones {
>> +		cpu_thermal: cpu-thermal {
>> +			cooling-maps {
>> +				map0 {
>> +					/* Correspond to 500MHz at freq_table */
>> +					cooling-device = <&cpu0 5 5>;
>> +				};
>> +				map1 {
>> +					/* Correspond to 200MHz at freq_table */
>> +					cooling-device = <&cpu0 8 8>;
>> +				};
>> +			};
>> +		};
>> +	};
>>  };
>>  
>>  &adc {
>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>> index ddd7ac283045..0e62a6435e07 100644
>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>> @@ -107,6 +107,21 @@
>>  		min-microvolt = <1100000>;
>>  		max-microvolt = <2700000>;
>>  	};
>> +
>> +	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>;
>> +				};
>> +			};
>> +		};
>> +	};
>>  };
>>  
>>  &adc {
>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>> index e0f3b2ed41a3..a4931b660ddb 100644
>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>> @@ -55,6 +55,7 @@
>>  			clock-frequency = <1000000000>;
>>  			clocks = <&cmu CLK_ARM_CLK>;
>>  			clock-names = "cpu";
>> +			#cooling-cells = <2>;
>>  
> 
> Don't you need also cooling-{min,max}-state properties?

Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.

I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
in drivers/thermal/*. But, there are no any code to parse it.

But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-state.

I think that there are mismatch between document and thermal core driver.

Thanks,
Chanwoo Choi

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Krzysztof Kozlowski July 2, 2015, 7:17 a.m. UTC | #3
On 02.07.2015 15:11, Chanwoo Choi wrote:
> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
>> On 02.07.2015 14:37, Chanwoo Choi wrote:
>>> This patch add the cooling device to control the overheating issue on
>>> Exynos3250-based Rinato/Monk board.
>>>
>>> Cc: Kukjin Kim <kgene@kernel.org>
>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>>> ---
>>> Depends on:
>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>>> [1] https://lkml.org/lkml/2015/7/1/696
>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>>
>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>>  3 files changed, 31 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>>> index 7863265d4868..540a0adf2be6 100644
>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>>> @@ -116,6 +116,21 @@
>>>  		min-microvolt = <1100000>;
>>>  		max-microvolt = <2700000>;
>>>  	};
>>> +
>>> +	thermal-zones {
>>> +		cpu_thermal: cpu-thermal {
>>> +			cooling-maps {
>>> +				map0 {
>>> +					/* Correspond to 500MHz at freq_table */
>>> +					cooling-device = <&cpu0 5 5>;
>>> +				};
>>> +				map1 {
>>> +					/* Correspond to 200MHz at freq_table */
>>> +					cooling-device = <&cpu0 8 8>;
>>> +				};
>>> +			};
>>> +		};
>>> +	};
>>>  };
>>>  
>>>  &adc {
>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>>> index ddd7ac283045..0e62a6435e07 100644
>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>>> @@ -107,6 +107,21 @@
>>>  		min-microvolt = <1100000>;
>>>  		max-microvolt = <2700000>;
>>>  	};
>>> +
>>> +	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>;
>>> +				};
>>> +			};
>>> +		};
>>> +	};
>>>  };
>>>  
>>>  &adc {
>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>> index e0f3b2ed41a3..a4931b660ddb 100644
>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>> @@ -55,6 +55,7 @@
>>>  			clock-frequency = <1000000000>;
>>>  			clocks = <&cmu CLK_ARM_CLK>;
>>>  			clock-names = "cpu";
>>> +			#cooling-cells = <2>;
>>>  
>>
>> Don't you need also cooling-{min,max}-state properties?
> 
> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
> 
> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
> in drivers/thermal/*. But, there are no any code to parse it.
> 
> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-state.
> 
> I think that there are mismatch between document and thermal core driver.

Thanks for explanation, looks good.
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof

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Krzysztof Kozlowski July 6, 2015, 1:08 a.m. UTC | #4
2015-07-02 16:17 GMT+09:00 Krzysztof Kozlowski <k.kozlowski@samsung.com>:
> On 02.07.2015 15:11, Chanwoo Choi wrote:
>> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
>>> On 02.07.2015 14:37, Chanwoo Choi wrote:
>>>> This patch add the cooling device to control the overheating issue on
>>>> Exynos3250-based Rinato/Monk board.
>>>>
>>>> Cc: Kukjin Kim <kgene@kernel.org>
>>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>>>> ---
>>>> Depends on:
>>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>>>> [1] https://lkml.org/lkml/2015/7/1/696
>>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>>>
>>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>>>  3 files changed, 31 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>>>> index 7863265d4868..540a0adf2be6 100644
>>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>>>> @@ -116,6 +116,21 @@
>>>>             min-microvolt = <1100000>;
>>>>             max-microvolt = <2700000>;
>>>>     };
>>>> +
>>>> +   thermal-zones {
>>>> +           cpu_thermal: cpu-thermal {
>>>> +                   cooling-maps {
>>>> +                           map0 {
>>>> +                                   /* Correspond to 500MHz at freq_table */
>>>> +                                   cooling-device = <&cpu0 5 5>;
>>>> +                           };
>>>> +                           map1 {
>>>> +                                   /* Correspond to 200MHz at freq_table */
>>>> +                                   cooling-device = <&cpu0 8 8>;
>>>> +                           };
>>>> +                   };
>>>> +           };
>>>> +   };
>>>>  };
>>>>
>>>>  &adc {
>>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>> index ddd7ac283045..0e62a6435e07 100644
>>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>> @@ -107,6 +107,21 @@
>>>>             min-microvolt = <1100000>;
>>>>             max-microvolt = <2700000>;
>>>>     };
>>>> +
>>>> +   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>;
>>>> +                           };
>>>> +                   };
>>>> +           };
>>>> +   };
>>>>  };
>>>>
>>>>  &adc {
>>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>>> index e0f3b2ed41a3..a4931b660ddb 100644
>>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>>> @@ -55,6 +55,7 @@
>>>>                     clock-frequency = <1000000000>;
>>>>                     clocks = <&cmu CLK_ARM_CLK>;
>>>>                     clock-names = "cpu";
>>>> +                   #cooling-cells = <2>;
>>>>
>>>
>>> Don't you need also cooling-{min,max}-state properties?
>>
>> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
>>
>> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
>> in drivers/thermal/*. But, there are no any code to parse it.
>>
>> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-state.
>>
>> I think that there are mismatch between document and thermal core driver.
>
> Thanks for explanation, looks good.
> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>
> Best regards,
> Krzysztof

Dear Kukjin,

Recent four patchsets (4210 CPU OPP in DTS, cpufreq-dt 5250,
cpufreq-dt 3250, this patch) are actually an one continuous chain.
Dependencies are already in mainline. Are you gonna to pick up
everything?

Best regards,
Krzysztof
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kgene@kernel.org July 7, 2015, 2:40 p.m. UTC | #5
Krzysztof Kozlowski wrote:
> 
> 2015-07-02 16:17 GMT+09:00 Krzysztof Kozlowski <k.kozlowski@samsung.com>:
> > On 02.07.2015 15:11, Chanwoo Choi wrote:
> >> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
> >>> On 02.07.2015 14:37, Chanwoo Choi wrote:
> >>>> This patch add the cooling device to control the overheating issue on
> >>>> Exynos3250-based Rinato/Monk board.
> >>>>
> >>>> Cc: Kukjin Kim <kgene@kernel.org>
> >>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> >>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> >>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
> >>>> ---
> >>>> Depends on:
> >>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
> >>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
> >>>> [1] https://lkml.org/lkml/2015/7/1/696
> >>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
> >>>>
> >>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
> >>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
> >>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
> >>>>  3 files changed, 31 insertions(+)
> >>>>
> >>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
> >>>> index 7863265d4868..540a0adf2be6 100644
> >>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
> >>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
> >>>> @@ -116,6 +116,21 @@
> >>>>             min-microvolt = <1100000>;
> >>>>             max-microvolt = <2700000>;
> >>>>     };
> >>>> +
> >>>> +   thermal-zones {
> >>>> +           cpu_thermal: cpu-thermal {
> >>>> +                   cooling-maps {
> >>>> +                           map0 {
> >>>> +                                   /* Correspond to 500MHz at freq_table */
> >>>> +                                   cooling-device = <&cpu0 5 5>;
> >>>> +                           };
> >>>> +                           map1 {
> >>>> +                                   /* Correspond to 200MHz at freq_table */
> >>>> +                                   cooling-device = <&cpu0 8 8>;
> >>>> +                           };
> >>>> +                   };
> >>>> +           };
> >>>> +   };
> >>>>  };
> >>>>
> >>>>  &adc {
> >>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
> >>>> index ddd7ac283045..0e62a6435e07 100644
> >>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
> >>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
> >>>> @@ -107,6 +107,21 @@
> >>>>             min-microvolt = <1100000>;
> >>>>             max-microvolt = <2700000>;
> >>>>     };
> >>>> +
> >>>> +   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>;
> >>>> +                           };
> >>>> +                   };
> >>>> +           };
> >>>> +   };
> >>>>  };
> >>>>
> >>>>  &adc {
> >>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> >>>> index e0f3b2ed41a3..a4931b660ddb 100644
> >>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
> >>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> >>>> @@ -55,6 +55,7 @@
> >>>>                     clock-frequency = <1000000000>;
> >>>>                     clocks = <&cmu CLK_ARM_CLK>;
> >>>>                     clock-names = "cpu";
> >>>> +                   #cooling-cells = <2>;
> >>>>
> >>>
> >>> Don't you need also cooling-{min,max}-state properties?
> >>
> >> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
> >>
> >> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
> >> in drivers/thermal/*. But, there are no any code to parse it.
> >>
> >> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-
> state.
> >>
> >> I think that there are mismatch between document and thermal core driver.
> >
> > Thanks for explanation, looks good.
> > Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> >
> > Best regards,
> > Krzysztof
> 
> Dear Kukjin,
> 
> Recent four patchsets (4210 CPU OPP in DTS, cpufreq-dt 5250,
> cpufreq-dt 3250, this patch) are actually an one continuous chain.
> Dependencies are already in mainline. Are you gonna to pick up
> everything?
> 
Yes, I want and I will. BTW maybe clk change is required together? If so, as you
know we need to get ack from clk guy. Is my understanding right?

Thanks,
Kukjin

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Krzysztof Kozlowski July 8, 2015, 12:19 a.m. UTC | #6
On 07.07.2015 23:40, Kukjin Kim wrote:
> Krzysztof Kozlowski wrote:
>>
>> 2015-07-02 16:17 GMT+09:00 Krzysztof Kozlowski <k.kozlowski@samsung.com>:
>>> On 02.07.2015 15:11, Chanwoo Choi wrote:
>>>> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
>>>>> On 02.07.2015 14:37, Chanwoo Choi wrote:
>>>>>> This patch add the cooling device to control the overheating issue on
>>>>>> Exynos3250-based Rinato/Monk board.
>>>>>>
>>>>>> Cc: Kukjin Kim <kgene@kernel.org>
>>>>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>>>>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>>>>>> ---
>>>>>> Depends on:
>>>>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>>>>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>>>>>> [1] https://lkml.org/lkml/2015/7/1/696
>>>>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>>>>>
>>>>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>>>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>>>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>>>>>  3 files changed, 31 insertions(+)
>>>>>>
>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>> index 7863265d4868..540a0adf2be6 100644
>>>>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>> @@ -116,6 +116,21 @@
>>>>>>             min-microvolt = <1100000>;
>>>>>>             max-microvolt = <2700000>;
>>>>>>     };
>>>>>> +
>>>>>> +   thermal-zones {
>>>>>> +           cpu_thermal: cpu-thermal {
>>>>>> +                   cooling-maps {
>>>>>> +                           map0 {
>>>>>> +                                   /* Correspond to 500MHz at freq_table */
>>>>>> +                                   cooling-device = <&cpu0 5 5>;
>>>>>> +                           };
>>>>>> +                           map1 {
>>>>>> +                                   /* Correspond to 200MHz at freq_table */
>>>>>> +                                   cooling-device = <&cpu0 8 8>;
>>>>>> +                           };
>>>>>> +                   };
>>>>>> +           };
>>>>>> +   };
>>>>>>  };
>>>>>>
>>>>>>  &adc {
>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>> index ddd7ac283045..0e62a6435e07 100644
>>>>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>> @@ -107,6 +107,21 @@
>>>>>>             min-microvolt = <1100000>;
>>>>>>             max-microvolt = <2700000>;
>>>>>>     };
>>>>>> +
>>>>>> +   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>;
>>>>>> +                           };
>>>>>> +                   };
>>>>>> +           };
>>>>>> +   };
>>>>>>  };
>>>>>>
>>>>>>  &adc {
>>>>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>> index e0f3b2ed41a3..a4931b660ddb 100644
>>>>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>>>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>> @@ -55,6 +55,7 @@
>>>>>>                     clock-frequency = <1000000000>;
>>>>>>                     clocks = <&cmu CLK_ARM_CLK>;
>>>>>>                     clock-names = "cpu";
>>>>>> +                   #cooling-cells = <2>;
>>>>>>
>>>>>
>>>>> Don't you need also cooling-{min,max}-state properties?
>>>>
>>>> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
>>>>
>>>> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
>>>> in drivers/thermal/*. But, there are no any code to parse it.
>>>>
>>>> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-
>> state.
>>>>
>>>> I think that there are mismatch between document and thermal core driver.
>>>
>>> Thanks for explanation, looks good.
>>> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>
>>> Best regards,
>>> Krzysztof
>>
>> Dear Kukjin,
>>
>> Recent four patchsets (4210 CPU OPP in DTS, cpufreq-dt 5250,
>> cpufreq-dt 3250, this patch) are actually an one continuous chain.
>> Dependencies are already in mainline. Are you gonna to pick up
>> everything?
>>
> Yes, I want and I will. BTW maybe clk change is required together? If so, as you
> know we need to get ack from clk guy. Is my understanding right?

Right. I think the samsung clock and cpufreq patches still need acks.

Best regards,
Krzysztof
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Chanwoo Choi July 29, 2015, 6:35 a.m. UTC | #7
Dear Kukjin,

Please pick this patch because exynos3250-cpufreq patch-set
was already merged on linux-samsung.git.

Thanks,
Chanwoo Choi

On 07/08/2015 09:19 AM, Krzysztof Kozlowski wrote:
> On 07.07.2015 23:40, Kukjin Kim wrote:
>> Krzysztof Kozlowski wrote:
>>>
>>> 2015-07-02 16:17 GMT+09:00 Krzysztof Kozlowski <k.kozlowski@samsung.com>:
>>>> On 02.07.2015 15:11, Chanwoo Choi wrote:
>>>>> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
>>>>>> On 02.07.2015 14:37, Chanwoo Choi wrote:
>>>>>>> This patch add the cooling device to control the overheating issue on
>>>>>>> Exynos3250-based Rinato/Monk board.
>>>>>>>
>>>>>>> Cc: Kukjin Kim <kgene@kernel.org>
>>>>>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>>>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>>>>>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>>>>>>> ---
>>>>>>> Depends on:
>>>>>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>>>>>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>>>>>>> [1] https://lkml.org/lkml/2015/7/1/696
>>>>>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>>>>>>
>>>>>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>>>>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>>>>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>>>>>>  3 files changed, 31 insertions(+)
>>>>>>>
>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>> index 7863265d4868..540a0adf2be6 100644
>>>>>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>> @@ -116,6 +116,21 @@
>>>>>>>             min-microvolt = <1100000>;
>>>>>>>             max-microvolt = <2700000>;
>>>>>>>     };
>>>>>>> +
>>>>>>> +   thermal-zones {
>>>>>>> +           cpu_thermal: cpu-thermal {
>>>>>>> +                   cooling-maps {
>>>>>>> +                           map0 {
>>>>>>> +                                   /* Correspond to 500MHz at freq_table */
>>>>>>> +                                   cooling-device = <&cpu0 5 5>;
>>>>>>> +                           };
>>>>>>> +                           map1 {
>>>>>>> +                                   /* Correspond to 200MHz at freq_table */
>>>>>>> +                                   cooling-device = <&cpu0 8 8>;
>>>>>>> +                           };
>>>>>>> +                   };
>>>>>>> +           };
>>>>>>> +   };
>>>>>>>  };
>>>>>>>
>>>>>>>  &adc {
>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>> index ddd7ac283045..0e62a6435e07 100644
>>>>>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>> @@ -107,6 +107,21 @@
>>>>>>>             min-microvolt = <1100000>;
>>>>>>>             max-microvolt = <2700000>;
>>>>>>>     };
>>>>>>> +
>>>>>>> +   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>;
>>>>>>> +                           };
>>>>>>> +                   };
>>>>>>> +           };
>>>>>>> +   };
>>>>>>>  };
>>>>>>>
>>>>>>>  &adc {
>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>> index e0f3b2ed41a3..a4931b660ddb 100644
>>>>>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>> @@ -55,6 +55,7 @@
>>>>>>>                     clock-frequency = <1000000000>;
>>>>>>>                     clocks = <&cmu CLK_ARM_CLK>;
>>>>>>>                     clock-names = "cpu";
>>>>>>> +                   #cooling-cells = <2>;
>>>>>>>
>>>>>>
>>>>>> Don't you need also cooling-{min,max}-state properties?
>>>>>
>>>>> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
>>>>>
>>>>> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
>>>>> in drivers/thermal/*. But, there are no any code to parse it.
>>>>>
>>>>> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-
>>> state.
>>>>>
>>>>> I think that there are mismatch between document and thermal core driver.
>>>>
>>>> Thanks for explanation, looks good.
>>>> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>>
>>>> Best regards,
>>>> Krzysztof
>>>
>>> Dear Kukjin,
>>>
>>> Recent four patchsets (4210 CPU OPP in DTS, cpufreq-dt 5250,
>>> cpufreq-dt 3250, this patch) are actually an one continuous chain.
>>> Dependencies are already in mainline. Are you gonna to pick up
>>> everything?
>>>
>> Yes, I want and I will. BTW maybe clk change is required together? If so, as you
>> know we need to get ack from clk guy. Is my understanding right?
> 
> Right. I think the samsung clock and cpufreq patches still need acks.
> 
> Best regards,
> Krzysztof
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> 

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kgene@kernel.org July 30, 2015, 2:03 p.m. UTC | #8
On 07/29/15 15:35, Chanwoo Choi wrote:
> Dear Kukjin,
> 
> Please pick this patch because exynos3250-cpufreq patch-set
> was already merged on linux-samsung.git.
> 
Applied, thanks.

- Kukjin

> Thanks,
> Chanwoo Choi
> 
> On 07/08/2015 09:19 AM, Krzysztof Kozlowski wrote:
>> On 07.07.2015 23:40, Kukjin Kim wrote:
>>> Krzysztof Kozlowski wrote:
>>>>
>>>> 2015-07-02 16:17 GMT+09:00 Krzysztof Kozlowski <k.kozlowski@samsung.com>:
>>>>> On 02.07.2015 15:11, Chanwoo Choi wrote:
>>>>>> On 07/02/2015 02:54 PM, Krzysztof Kozlowski wrote:
>>>>>>> On 02.07.2015 14:37, Chanwoo Choi wrote:
>>>>>>>> This patch add the cooling device to control the overheating issue on
>>>>>>>> Exynos3250-based Rinato/Monk board.
>>>>>>>>
>>>>>>>> Cc: Kukjin Kim <kgene@kernel.org>
>>>>>>>> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>>>>>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>>>>>>>> Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
>>>>>>>> ---
>>>>>>>> Depends on:
>>>>>>>> This patch needs the cpufreq support of Exynos3250 SoC. So, this patch has the
>>>>>>>> dependency on patch[1] which support the generic cpufreq for Exynos3250 SoC.
>>>>>>>> [1] https://lkml.org/lkml/2015/7/1/696
>>>>>>>>     : [PATCH v6 0/3] cpufreq: Use cpufreq-dt driver for Exynos3250
>>>>>>>>
>>>>>>>>  arch/arm/boot/dts/exynos3250-monk.dts   | 15 +++++++++++++++
>>>>>>>>  arch/arm/boot/dts/exynos3250-rinato.dts | 15 +++++++++++++++
>>>>>>>>  arch/arm/boot/dts/exynos3250.dtsi       |  1 +
>>>>>>>>  3 files changed, 31 insertions(+)
>>>>>>>>
>>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>>> index 7863265d4868..540a0adf2be6 100644
>>>>>>>> --- a/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>>> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
>>>>>>>> @@ -116,6 +116,21 @@
>>>>>>>>             min-microvolt = <1100000>;
>>>>>>>>             max-microvolt = <2700000>;
>>>>>>>>     };
>>>>>>>> +
>>>>>>>> +   thermal-zones {
>>>>>>>> +           cpu_thermal: cpu-thermal {
>>>>>>>> +                   cooling-maps {
>>>>>>>> +                           map0 {
>>>>>>>> +                                   /* Correspond to 500MHz at freq_table */
>>>>>>>> +                                   cooling-device = <&cpu0 5 5>;
>>>>>>>> +                           };
>>>>>>>> +                           map1 {
>>>>>>>> +                                   /* Correspond to 200MHz at freq_table */
>>>>>>>> +                                   cooling-device = <&cpu0 8 8>;
>>>>>>>> +                           };
>>>>>>>> +                   };
>>>>>>>> +           };
>>>>>>>> +   };
>>>>>>>>  };
>>>>>>>>
>>>>>>>>  &adc {
>>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>>> index ddd7ac283045..0e62a6435e07 100644
>>>>>>>> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>>> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
>>>>>>>> @@ -107,6 +107,21 @@
>>>>>>>>             min-microvolt = <1100000>;
>>>>>>>>             max-microvolt = <2700000>;
>>>>>>>>     };
>>>>>>>> +
>>>>>>>> +   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>;
>>>>>>>> +                           };
>>>>>>>> +                   };
>>>>>>>> +           };
>>>>>>>> +   };
>>>>>>>>  };
>>>>>>>>
>>>>>>>>  &adc {
>>>>>>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>>> index e0f3b2ed41a3..a4931b660ddb 100644
>>>>>>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>>>>>>> @@ -55,6 +55,7 @@
>>>>>>>>                     clock-frequency = <1000000000>;
>>>>>>>>                     clocks = <&cmu CLK_ARM_CLK>;
>>>>>>>>                     clock-names = "cpu";
>>>>>>>> +                   #cooling-cells = <2>;
>>>>>>>>
>>>>>>>
>>>>>>> Don't you need also cooling-{min,max}-state properties?
>>>>>>
>>>>>> Yes, it is well working without cooling-{min,max}-state or cooling-{min,max}-level.
>>>>>>
>>>>>> I look for the some code to parse "cooling-{min,max}-state or cooling-{min,max}-level"
>>>>>> in drivers/thermal/*. But, there are no any code to parse it.
>>>>>>
>>>>>> But, Documentation/devicetree/bindings/thermal/thermal.txt contains just the 'cooling-{min,max}-
>>>> state.
>>>>>>
>>>>>> I think that there are mismatch between document and thermal core driver.
>>>>>
>>>>> Thanks for explanation, looks good.
>>>>> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
>>>>>
>>>>> Best regards,
>>>>> Krzysztof
>>>>
>>>> Dear Kukjin,
>>>>
>>>> Recent four patchsets (4210 CPU OPP in DTS, cpufreq-dt 5250,
>>>> cpufreq-dt 3250, this patch) are actually an one continuous chain.
>>>> Dependencies are already in mainline. Are you gonna to pick up
>>>> everything?
>>>>
>>> Yes, I want and I will. BTW maybe clk change is required together? If so, as you
>>> know we need to get ack from clk guy. Is my understanding right?
>>
>> Right. I think the samsung clock and cpufreq patches still need acks.
>>
>> Best regards,
>> Krzysztof
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
index 7863265d4868..540a0adf2be6 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -116,6 +116,21 @@ 
 		min-microvolt = <1100000>;
 		max-microvolt = <2700000>;
 	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			cooling-maps {
+				map0 {
+					/* Correspond to 500MHz at freq_table */
+					cooling-device = <&cpu0 5 5>;
+				};
+				map1 {
+					/* Correspond to 200MHz at freq_table */
+					cooling-device = <&cpu0 8 8>;
+				};
+			};
+		};
+	};
 };
 
 &adc {
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index ddd7ac283045..0e62a6435e07 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -107,6 +107,21 @@ 
 		min-microvolt = <1100000>;
 		max-microvolt = <2700000>;
 	};
+
+	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>;
+				};
+			};
+		};
+	};
 };
 
 &adc {
diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
index e0f3b2ed41a3..a4931b660ddb 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -55,6 +55,7 @@ 
 			clock-frequency = <1000000000>;
 			clocks = <&cmu CLK_ARM_CLK>;
 			clock-names = "cpu";
+			#cooling-cells = <2>;
 
 			operating-points = <
 				1000000 1150000