linux-kernel - Re: [PATCH 01/22] dt-bindings: gpio: Add binding for ChromeOS EC GPIO controller

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Message-ID: <CAE-0n51R307Tg7p9=GNFfUB2tE0o5JWBNpU=rX_HUe9ydSXW7A@mail.gmail.com>
Date: Thu, 15 Feb 2024 14:00:24 -0800
From: Stephen Boyd <swboyd@...omium.org>
To: Rob Herring <robh@...nel.org>
Cc: chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	patches@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	Douglas Anderson <dianders@...omium.org>, Pin-yen Lin <treapking@...omium.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Lee Jones <lee@...nel.org>, Benson Leung <bleung@...omium.org>, 
	Guenter Roeck <groeck@...omium.org>, linux-gpio@...r.kernel.org
Subject: Re: [PATCH 01/22] dt-bindings: gpio: Add binding for ChromeOS EC GPIO controller

Quoting Rob Herring (2024-02-15 06:06:38)
> On Fri, Feb 09, 2024 at 11:09:12PM -0800, Stephen Boyd wrote:
> > +
> > +description:
> > +  Google's ChromeOS EC has a gpio controller inside the Embedded Controller
> > +  (EC) and controlled via a host-command interface. The node for this
> > +  device should be under a cros-ec node like google,cros-ec-spi.
>
> Why do we need a child node here?
>

When in Rome... but I get your point. I will work on moving #gpio-cells
and gpio-controller into the cros-ec binding and populating some child
device from the mfd driver.