linux-kernel - Re: [PATCH v4 2/8] arm64: dts: exynos: Add dts files for 64-bit Exynos5433 SoC

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Message-id: <54EC3BB1.1020701@samsung.com>
Date:	Tue, 24 Feb 2015 17:52:01 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	kgene@...nel.org, mark.rutland@....com, marc.zyngier@....com,
	olof@...om.net, catalin.marinas@....com, will.deacon@....com,
	inki.dae@...sung.com, chanho61.park@...sung.com,
	sw0312.kim@...sung.com, jh80.chung@...sung.com,
	ideal.song@...sung.com, a.kesavan@...sung.com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/8] arm64: dts: exynos: Add dts files for 64-bit
 Exynos5433 SoC

On 02/24/2015 05:35 PM, Arnd Bergmann wrote:
> On Tuesday 24 February 2015 14:16:45 Chanwoo Choi wrote:
>> +       aliases {
>> +               pinctrl0 = &pinctrl_alive;
>> +               pinctrl1 = &pinctrl_aud;
>> +               pinctrl2 = &pinctrl_cpif;
>> +               pinctrl3 = &pinctrl_ese;
>> +               pinctrl4 = &pinctrl_finger;
>> +               pinctrl5 = &pinctrl_fsys;
>> +               pinctrl6 = &pinctrl_imem;
>> +               pinctrl7 = &pinctrl_nfc;
>> +               pinctrl8 = &pinctrl_peric;
>> +               pinctrl9 = &pinctrl_touch;
>> +               serial0 = &serial_0;
>> +               serial1 = &serial_1;
>> +               serial2 = &serial_2;
>> +               i2c0 = &hsi2c_0;
>> +               i2c1 = &hsi2c_1;
>> +               i2c2 = &hsi2c_2;
>> +               i2c3 = &hsi2c_3;
>> +               i2c4 = &hsi2c_4;
>> +               i2c5 = &hsi2c_5;
>> +               i2c6 = &hsi2c_6;
>> +               i2c7 = &hsi2c_7;
>> +               i2c8 = &hsi2c_8;
>> +               i2c9 = &hsi2c_9;
>> +               i2c10 = &hsi2c_10;
>> +               i2c11 = &hsi2c_11;
>> +       };
>> +
>>
> 
> Can you put the aliases into the per-board files? There might be boards that
> do not support all the uarts and all the i2c controllers but only want to
> provide aliases for a subset of them, without holes in the numbering.

OK, I'm not opposite with you opinion.

But, I have a question.
If we put the aliases into the board dts file instaed of SoC dtsi,
each board dts file may use the different alias name about same phandle.

Thanks,
Chanwoo Choi

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