linux-kernel - Re: [PATCH 1/2] dt-bindings: cros-ec: Add properties for GPIO controller

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Message-ID: <20240223102039.GK10170@google.com>
Date: Fri, 23 Feb 2024 10:20:39 +0000
From: Lee Jones <lee@...nel.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Stephen Boyd <swboyd@...omium.org>, linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev, devicetree@...r.kernel.org,
	chrome-platform@...ts.linux.dev,
	Douglas Anderson <dianders@...omium.org>,
	Pin-yen Lin <treapking@...omium.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Benson Leung <bleung@...omium.org>,
	Guenter Roeck <groeck@...omium.org>
Subject: Re: [PATCH 1/2] dt-bindings: cros-ec: Add properties for GPIO
 controller

On Tue, 20 Feb 2024, Bartosz Golaszewski wrote:

> On Mon, Feb 19, 2024 at 9:23 PM Stephen Boyd <swboyd@...omium.org> wrote:
> >
> > The ChromeOS embedded controller (EC) supports setting the state of
> > GPIOs when the system is unlocked, and getting the state of GPIOs in all
> > cases. The GPIOs are on the EC itself, so the EC acts similar to a GPIO
> > expander. Add the #gpio-cells and gpio-controller properties to the
> > cros-ec binding so that other devices described in DT can get the GPIOs
> > on the EC.
> >
> > Cc: Linus Walleij <linus.walleij@...aro.org>
> > Cc: Bartosz Golaszewski <brgl@...ev.pl>
> > Cc: Rob Herring <robh+dt@...nel.org>
> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> > Cc: Conor Dooley <conor+dt@...nel.org>
> > Cc: Lee Jones <lee@...nel.org>
> > Cc: Benson Leung <bleung@...omium.org>
> > Cc: Guenter Roeck <groeck@...omium.org>
> > Cc: <devicetree@...r.kernel.org>
> > Cc: <chrome-platform@...ts.linux.dev>
> > Cc: Pin-yen Lin <treapking@...omium.org>
> > Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> > ---
> >  Documentation/devicetree/bindings/mfd/google,cros-ec.yaml | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > index e1ca4f297c6d..aac8819bd00b 100644
> > --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> > @@ -93,6 +93,11 @@ properties:
> >    '#size-cells':
> >      const: 0
> >
> > +  '#gpio-cells':
> > +    const: 2
> > +
> > +  gpio-controller: true
> > +
> >    typec:
> >      $ref: /schemas/chrome/google,cros-ec-typec.yaml#
> >
> > @@ -275,6 +280,8 @@ examples:
> >              interrupts = <99 0>;
> >              interrupt-parent = <&gpio7>;
> >              spi-max-frequency = <5000000>;
> > +            #gpio-cells = <2>;
> > +            gpio-controller;
> >
> >              proximity {
> >                  compatible = "google,cros-ec-mkbp-proximity";
> > --
> > https://chromeos.dev
> >
> 
> Applied, thanks!

Why are you applying this MFD patch?

-- 
Lee Jones [李琼斯]