linux-kernel - Re: [PATCH 7/8] mfd/regulator: dt-bindings: max77686: Document gpio property

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Date:	Tue, 28 Oct 2014 09:53:19 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [PATCH 7/8] mfd/regulator: dt-bindings: max77686: Document gpio
 property




On pon, 2014-10-27 at 21:15 +0100, Javier Martinez Canillas wrote:
> Hello Krzysztof,
> 
> On 10/27/2014 04:03 PM, Krzysztof Kozlowski wrote:
> > Document usage of gpio property which turns on external control over
> > regulator.
> > 
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> > ---
> >  Documentation/devicetree/bindings/mfd/max77686.txt | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt
> > index 75fdfaf41831..e41dfa7e2b90 100644
> > --- a/Documentation/devicetree/bindings/mfd/max77686.txt
> > +++ b/Documentation/devicetree/bindings/mfd/max77686.txt
> > @@ -39,6 +39,9 @@ to get matched with their hardware counterparts as follow:
> >  	-BUCKn	:	1-4.
> >    Use standard regulator bindings for it ('regulator-off-in-suspend').
> >  
> > +  Optional properties:
> > +  - gpio : GPIO to use for external control. Valid only for LDO20, LDO21,
> > +    LDO22, BUCK8 and BUCK9 regulators.
> 
> When using the descriptor-based GPIO interface the standard is to use as the DT
> property name a prefix documenting the GPIO function + a -gpios or -gpio suffix.
> So this should be something like ec-gpio.

OK.

Best regards,
Krzysztof

> 
> Best regards,
> Javier

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