Re: [PATCH/RFC v9 06/19] DT: Add documentation for the mfd Maxim max77693

[Jacek Anaszewski]

Hi Pavel,

On 12/04/2014 05:12 PM, Pavel Machek wrote:
> Hi!
>
> > > > +- maxim,boost-mode :
> > > > +	In boost mode the device can produce up to 1.2A of total current
> > > > +	on both outputs. The maximum current on each output is reduced
> > > > +	to 625mA then. If there are two child led nodes defined then boost
> > > > +	is enabled by default.
> > > > +	Possible values:
> > > > +		MAX77693_LED_BOOST_OFF - no boost,
> > > > +		MAX77693_LED_BOOST_ADAPTIVE - adaptive mode,
> > > > +		MAX77693_LED_BOOST_FIXED - fixed mode.
> > > > +- maxim,boost-vout : Output voltage of the boost module in millivolts.
> > > > +- maxim,vsys-min : Low input voltage level in millivolts. Flash is not fired
> > > > +	if chip estimates that system voltage could drop below this level due
> > > > +	to flash power consumption.
> > > > +
> > > > +Required properties of the LED child node:
> > > > +- label : see Documentation/devicetree/bindings/leds/common.txt
> > > > +- maxim,fled_id : Identifier of the fled output the led is connected to;
> > >
> > > I'm pretty sure this will be needed for about every chip that can drive
> > > multiple LEDs. Shouldn't it be documented in the generic documentation?
> >
> > OK.
>
> Well... "fled_id" is not exactly suitable name. On other busses, it
> would be "reg = <1>"?

I'm ok with "reg". This scheme is used for pca963x.txt and is described
as "number of LED line". We could define it similarly in the common.txt.
A device would have to specify the range of allowed values though.
I would add such a note to the generic binding.

Regards,
Jacek
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