linux-kernel - Re: [PATCH 1/4] ARM: ux540: Add ccu8540-uib-v3 Device Tree Machine

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Message-ID: <CACRpkdbThH7LysDjrPcFjxg0sMDm1myTfmXkJnkY3QSS3F_GGQ@mail.gmail.com>
Date:	Tue, 4 Jun 2013 10:57:49 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Gabriel Fernandez <gabriel.fernandez.st@...il.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Olivier Clergeaud <olivier.clergeaud@...com>,
	Gabriel Fernandez <gabriel.fernandez@...com>
Subject: Re: [PATCH 1/4] ARM: ux540: Add ccu8540-uib-v3 Device Tree Machine

On Thu, May 30, 2013 at 3:20 PM, Gabriel Fernandez
<gabriel.fernandez.st@...il.com> wrote:

[Lee]
>> Is it a new board, or just a UIB?
>
> For me it's a new board.
>
> ccu8540.dts is a board without uib.
> You can can plug on this board some different uibs.
> That's why, i created a ccu8540-uib-v3.dts board in which i included a
> common board ccu8540.dts

So that means that ccu8540.dts will boot the system even
without any UIB if I understand correctly. Anything that
pertains to the UIB should be in the UIB overlay.

> Another solution is to create one *.dtsi file with all uibs for
> ccu8540 and makes a dynamique detection.
> Linus, Lee  what do you think about that ?

I'm lost on this, dynamic detection would be done in the
boot loader, usually this just encodes one, static tree.

The first approach seems OK with me.

Yours,
Linus Walleij
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