From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH/RFC v8 11/14] DT: Add documentation for the mfd Maxim max77693 Date: Sat, 29 Nov 2014 20:26:07 +0100 Message-ID: <20141129192607.GB17355@amd> References: <1417166286-27685-1-git-send-email-j.anaszewski@samsung.com> <1417166286-27685-12-git-send-email-j.anaszewski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1417166286-27685-12-git-send-email-j.anaszewski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Jacek Anaszewski Cc: linux-leds@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kyungmin.park@samsung.com, b.zolnierkie@samsung.com, cooloney@gmail.com, rpurdie@rpsys.net, sakari.ailus@iki.fi, s.nawrocki@samsung.com, Andrzej Hajda , Lee Jones , SangYoung Son , Samuel Ortiz , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org List-Id: linux-leds@vger.kernel.org Hi! > diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt > index 01e9f30..50a8dad 100644 > --- a/Documentation/devicetree/bindings/mfd/max77693.txt > +++ b/Documentation/devicetree/bindings/mfd/max77693.txt > @@ -41,6 +41,62 @@ Optional properties: > To get more informations, please refer to documentaion. > [*] refer Documentation/devicetree/bindings/pwm/pwm.txt > > +- led-flash : the LED submodule device node > + > +There are two led outputs available - fled1 and fled2. Each of them can > +control a separate led or they can be connected together to double > +the maximum current for a single connected led. One led is represented > +by one child node. > + > +Required properties: > +- compatible : must be "maxim,max77693-flash" > + > +Optional properties: > +- maxim,fleds : array of current outputs in order: fled1, fled2 > + Note: both current outputs can be connected to a single led > + Possible values: > + 0 - the output is left disconnected, > + 1 - a diode is connected to the output. Is this one needed? Just ommit child note if it is not there. > +- maxim,trigger-type : Array of trigger types in order: flash, torch > + Possible trigger types: > + 0 - Rising edge of the signal triggers the flash/torch, > + 1 - Signal level controls duration of the flash/torch. > +- maxim,trigger : Array of flags indicating which trigger can activate given led > + in order: fled1, fled2 > + Possible flag values (can be combined): > + 1 - FLASH pin of the chip, > + 2 - TORCH pin of the chip, > + 4 - software via I2C command. Is it good idea to have bitfields like this? Make these required properties of the subnode? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html