linux-kernel - dts: fun with chip names Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x LED driver

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Message-ID: <20171116201121.GA28848@amd>
Date:   Thu, 16 Nov 2017 21:11:21 +0100
From:   Pavel Machek <pavel@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     Rob Herring <robh@...nel.org>, mark.rutland@....com,
        rpurdie@...ys.net, jacek.anaszewski@...il.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: dts: fun with chip names Re: [PATCH v3 1/2] dt: bindings: lm3692x:
 Add bindings for lm3692x LED driver

Hi!

> >> +Required properties:
> >> +	- compatible:
> >> +		"ti,lm3692x"
> > 
> > Don't use wildcards in compatible strings.
> 
> Do you mean to remove the x?  How do we denote a family of parts
> then?

I guess you should specify the exact chip.

Which will present interesting problem for me on Nokia N9/N950; in one
case, compatible chip is produced by two companies, and it looks like
some machines have one and some have the other; but we'd like to share
the dts as user has no chance telling them apart (and it is not
important, anyway).

In second case, chip is refered as APDS990X and I don't know where to
get more exact data.

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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