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Date: Tue, 15 Apr 2014 15:21:55 +0530
Message-ID: <CAK9yfHzgH-4C5agpu9SFckp1BcB6s9jeviDVZBokhS+aRh9RUA@mail.gmail.com>
Subject: Re: [PATCH 4/4] regulator: s5m8767: Use same binding for external
 control as in s2mps11
From: Sachin Kamat <sachin.kamat@linaro.org>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Mark Brown <broonie@kernel.org>, Sangbeom Kim <sbkim73@samsung.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Samuel Ortiz <sameo@linux.intel.com>, Lee Jones <lee.jones@linaro.org>,
        LKML <linux-kernel@vger.kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Tomasz Figa <t.figa@samsung.com>
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Sender: linux-kernel-owner@vger.kernel.org

On 15 April 2014 14:25, Krzysztof Kozlowski <k.kozlowski@samsung.com> wrote:
> On wto, 2014-04-15 at 14:02 +0530, Sachin Kamat wrote:
>> On 15 April 2014 13:42, Krzysztof Kozlowski <k.kozlowski@samsung.com> wrote:
>> > On wto, 2014-04-15 at 13:26 +0530, Sachin Kamat wrote:
>> >> On 15 April 2014 02:41, Mark Brown <broonie@kernel.org> wrote:
>> >> > On Mon, Apr 14, 2014 at 10:09:09AM +0200, Krzysztof Kozlowski wrote:
>> >> >
>> >> >> -     - s5m8767,pmic-ext-control-gpios: (optional) GPIO specifier for one
>> >> >> +     - samsung,ext-control-gpios: (optional) GPIO specifier for one
>> >> >>               GPIO controlling this regulator (enable/disable); This is
>> >> >>               valid only for buck9.
>> >> >
>> >> > This is an incompatible change.  It's OK to deprecate the old property
>> >> > but it's bad form to just remove it.
>> >>
>> >> I agree with Mark. Also, there is no need to make it generic.
>> >
>> > I thought it would be good to make it consistent and to reduce the
>> > number of bindings with same meaning on similar drivers.
>>
>> How about making the other one use "s5m8767,pmic-ext-control-gpios"
>> compatible instead of introducing a new one?
>
> But then we would introduce semi-generic binding with a driver-specific
> name.

We can have a IP specific name (first IP to have this property) common
across family of IPs.

>
> Anyway more drivers seem to use this kind of binding (tps65090, max8952,
> da9055, arizona) so maybe there is a point in making this generic?

In that case we could but probably not with samsung prefix.

-- 
With warm regards,
Sachin
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