linux-kernel - Re: [PATCH 1/2] dt-bindings: GPIO: Add generic serializer binding

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Message-ID: <CACRpkdaCp1xSXK+ibRZzQCsFLTnGySDCHVFjVuKNSOgWadZ4gg@mail.gmail.com>
Date:	Wed, 27 Jan 2016 14:57:32 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	"Andrew F. Davis" <afd@...com>
Cc:	Rob Herring <robh+dt@...nel.org>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] dt-bindings: GPIO: Add generic serializer binding

On Wed, Dec 30, 2015 at 6:05 PM, Andrew F. Davis <afd@...com> wrote:
> [Me]
>> Compatible ranges from the specific to the more generic
>> so compatible = "ti,74165", "pisosr"; is just fine. Something
>> will match if there is a suitable driver. The OS may choose to
>> provide something part-specific or something more generic.
>>
>
> And so we won't need to have "ti,74165" in the driver itself,
> if we just have "pisosr", then dts files can use what ever they
> like to correctly identify the part then fall back to pisosr.
>
> compatible = "company,random_numbers_of_exact_part_actually_on_board",
> "pisosr";

Exactly. Sorry for slow replies.

Yours,
Linus Walleij