linux-kernel - Re: [PATCH 3/4] ARM: pinctrl: Add Broadcom Capri pinctrl driver

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Date:	Tue, 19 Nov 2013 21:39:09 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Sherman Yin <syin@...adcom.com>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Heiko Stübner <heiko@...ech.de>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Christian Daudt <bcm@...thebug.org>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <rob.herring@...xeda.com>,
	bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
	Rob Landley <rob@...dley.net>,
	Grant Likely <grant.likely@...aro.org>,
	Matt Porter <matt.porter@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/4] ARM: pinctrl: Add Broadcom Capri pinctrl driver

On Thu, Nov 14, 2013 at 12:43 AM, Sherman Yin <syin@...adcom.com> wrote:
> On 13-11-11 02:01 AM, Linus Walleij wrote:
>>>
>>> I would imagine that the platform-specific device tree bindings would
>>> need
>>> to clearly explain what the valid values are, as they should.
>>
>> But this is not a platform-specific binding. These are the
>> generic pin configuration bindings we're talking about.
>
> Yes, the properties are generic, but I was under the impression that the
> values can be "custom", such as these:

Well if it makes sense, we should try to make them non-custom.

And drivers should still try to be similar, if possible.

>> If you want arrays of booleans that is a matter for the OF core
>> parser I think.
>
> I was thinking of just using integers and accepting only 1 and 0, everything
> else is error.

Hm OK maybe. You need to talk to the OF people about that.

Yours,
Linus Walleij
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