linux-kernel - Re: [PATCH 2/2] dt-bindings: gpio: Add support for PCF8574T.

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Message-ID: <20250217174923.zifv5oig5waeqedt@DESKTOP-L0CEE7S.localdomain>
Date: Mon, 17 Feb 2025 18:49:23 +0100
From: Tóth János <gomba007@...il.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: gpio: Add support for PCF8574T.

Hi!

> Judging from patch 2/2, the PCF8574T is compatible with the PCF8574, the
> only difference being the package. It makes no difference from a
> software point of view. 

You are absolutely right. I simply thought that, since "PCF8574T" is written
on the chip, this patch would make it easier for the user to identify
the correct driver.

Regards,
Tóth János


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