linux-kernel - Re: [PATCH v3 1/4] dt-bindings: Add bindings for the Analog Devices ADP5585

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Date: Sun, 2 Jun 2024 18:50:15 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-pwm@...r.kernel.org,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Lee Jones <lee@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Uwe Kleine-König <ukleinek@...nel.org>
Subject: Re: [PATCH v3 1/4] dt-bindings: Add bindings for the Analog Devices
 ADP5585

Hi Krzysztof,

On Sun, Jun 02, 2024 at 05:31:04PM +0200, Krzysztof Kozlowski wrote:
> On 02/06/2024 17:24, Laurent Pinchart wrote:
> > The ADP5585 is a 10/11 input/output port expander with a built in keypad
> > matrix decoder, programmable logic, reset generator, and PWM generator.
> > These bindings model the device as an MFD, and support the GPIO expander
> > and PWM functions.
> 
> Please use subject prefixes matching the subsystem, e.g. dt-bindings: mfd:
> 
> A nit, subject: drop second/last, redundant "bindings for". The
> "dt-bindings" prefix is already stating that these are bindings.
> See also:
> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

I'll do that. It would be nice if someone could teach checkpatch about
this rule.

> > These bindings support the GPIO and PWM functions.
> > 
> > Drop the existing adi,adp5585 and adi,adp5585-02 compatible strings from
> > trivial-devices.yaml. They have been added there by mistake as the
> > driver that was submitted at the same time used different compatible
> > strings. We can take them over safely.
> > 
> 
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        mfd@34 {
> 
> mfd is Linuxism, so this should be probably "io-expander" or something
> similar.

Sure.

> > +            compatible = "adi,adp5585-00", "adi,adp5585";
> > +            reg = <0x34>;
> > +
> > +            vdd-supply = <&reg_3v3>;
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

-- 
Regards,

Laurent Pinchart