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Date: Mon, 27 Jun 2011 14:37:32 +0200
Message-ID: <BANLkTikpMdakfTU+RRsXQVnpO4-KGkOGJQ@mail.gmail.com>
Subject: Re: [PATCH 0/2] RFC: gpio: driver-local pin configuration
From: Linus Walleij <linus.walleij@linaro.org>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Stijn Devriendt <highguy@gmail.com>,
        Grant Likely <grant.likely@secretlab.ca>,
        Linus Walleij <linus.walleij@stericsson.com>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Lee Jones <lee.jones@linaro.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
        Kyungmin Park <kmpark@infradead.org>,
        Kurt Van Dijck <kurt.van.dijck@eia.be>,
        Ben Nizette <bn@niasdigital.com>,
        Haojian Zhuang <haojian.zhuang@gmail.com>,
        Rohit Vaswani <rvaswani@codeaurora.org>,
        Russell King <linux@arm.linux.org.uk>,
        H Hartley Sweeten <hartleys@visionengravers.com>
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On Mon, Jun 27, 2011 at 2:02 PM, Mark Brown
<broonie@opensource.wolfsonmicro.com> wrote:
> On Mon, Jun 27, 2011 at 01:44:43PM +0200, Linus Walleij wrote:
>
>> Yes. To make the driver platform neutral, it needs to for example
>> provide a callback in the platform data like (* set_pin_bias) or so,
>> and then your platform has to implement this biasing.
>
>> In this specific case that kind of stuff would likely be preferable
>> to have in the platform anyway, but I understand what you mean.
>
> How about device tree usage? ?I guess there we'd end up doing it by
> putting the configuration on the GPIO end of things rather than on the
> GPIO user side?

Sorry I can't quite understand that, please elaborate!

Thanks,
Linus Walleij
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