linux-kernel - Re: [PATCH 1/5] ARM: dts: exynos4x12: Add ADC's dt data to read raw data

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Message-id: <531FD52B.8040007@samsung.com>
Date:	Wed, 12 Mar 2014 12:31:55 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Tomasz Figa <t.figa@...sung.com>
Cc:	kgene.kim@...sung.com, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	rob.herring@...xeda.com, pawel.moll@....com, mark.rutland@....com,
	swarren@...dotorg.org, ijc+devicetree@...lion.org.uk,
	linux@....linux.org.uk
Subject: Re: [PATCH 1/5] ARM: dts: exynos4x12: Add ADC's dt data to read raw
 data

Hi Tomasz,

On 03/11/2014 09:20 PM, Tomasz Figa wrote:
> Hi Chanwoo,
> 
> On 11.03.2014 08:54, Chanwoo Choi wrote:
>> This patch add ADC(Analog to Digital Converter)'s dt data to get raw data
>> with IIO subsystem. Usually, ADC is used to check temperature, jack type, and
>> so on.
>>
> 
> 8< ---
> 
>> Register map
>> - <0x126C0000 0x100> : ADC register's base address
>> - <0x10020718 0x4> : ADC_PHY_CONTROL, TS-ADC control register address
>>
>> Clock
>> - <&clock 326> : ADC clock (clock name :'tsadc')
>>
>> Interrupt
>> - INTG10[3] : ADC for General ADC
> 
> --- >8
> 
> I don't think there is a need to include such data in commit message. A commit message should say what is done and why it's done (and sometimes how it's done, in case of some complex code being added) and I guess that's all.

OK, I'll remove it on patch description.

> 
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
>> ---
>>   arch/arm/boot/dts/exynos4x12.dtsi | 12 ++++++++++++
>>   1 file changed, 12 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
>> index 5c412aa..5a3e551 100644
>> --- a/arch/arm/boot/dts/exynos4x12.dtsi
>> +++ b/arch/arm/boot/dts/exynos4x12.dtsi
>> @@ -80,6 +80,18 @@
>>           };
>>       };
>>
>> +    adc: adc@...C0000 {
>> +        compatible = "samsung,exynos-adc-v1";
>> +        reg = <0x126C0000 0x100>, <0x10020718 0x4>;
>> +        interrupt-parent = <&combiner>;
>> +        interrupts = <10 3>;
>> +        clocks = <&clock 326>;
> 
> Please use clock macros instead of numbers, as introduced by Andrzej Hajda's patches merged to Kgene's tree.
> 
OK, I'll modify it.

Thanks,
Chanwoo Choi
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