linux-kernel - Re: [PATCH 1/3] dt-bindings: auxdisplay: hit,hd44780: drop redundant GPIO node

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Message-ID: <ZcofhWb8stiddmru@smile.fi.intel.com>
Date: Mon, 12 Feb 2024 15:39:17 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Miguel Ojeda <ojeda@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Robin van der Gracht <robin@...tonic.nl>,
	Paul Burton <paulburton@...nel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: auxdisplay: hit,hd44780: drop redundant
 GPIO node

On Mon, Feb 12, 2024 at 09:34:24AM +0100, Krzysztof Kozlowski wrote:
> Examples of other nodes, like GPIO controller, are redundant and not
> really needed in device bindings.

..

> -    i2c {
> -            #address-cells = <1>;
> -            #size-cells = <0>;
>  
> -            pcf8574: pcf8574@27 {
> -                    compatible = "nxp,pcf8574";
> -                    reg = <0x27>;
> -                    gpio-controller;
> -                    #gpio-cells = <2>;
> -            };
> -    };

In patch 3 you updated the lines that have lost their sense due to this one.
And I agree with others, please leave this example in place.

-- 
With Best Regards,
Andy Shevchenko