linux-kernel - Re: [PATCH 1/2] dt-bindings: input: add GPIO charlieplex keypad

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Message-Id: <20260203140645.3c0a320763cc92e27181f96a@hugovil.com>
Date: Tue, 3 Feb 2026 14:06:45 -0500
From: Hugo Villeneuve <hugo@...ovil.com>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
 conor+dt@...nel.org, devicetree@...r.kernel.org, hvilleneuve@...onoff.com,
 linux-input@...r.kernel.org, krzk+dt@...nel.org
Subject: Re: [PATCH 1/2] dt-bindings: input: add GPIO charlieplex keypad

On Tue, 03 Feb 2026 12:17:49 -0600
"Rob Herring (Arm)" <robh@...nel.org> wrote:

> 
> On Tue, 03 Feb 2026 10:49:47 -0500, Hugo Villeneuve wrote:
> > From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > 
> > Add DT bindings for GPIO charlieplex keypad.
> > 
> > Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > ---
> >  .../input/gpio-charlieplex-keypad.yaml        | 88 +++++++++++++++++++
> >  1 file changed, 88 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/input/gpio-charlieplex-keypad.yaml
> > 
> 
> My bot found errors running 'make dt_binding_check' on your patch:
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Lexical error: Documentation/devicetree/bindings/input/gpio-charlieplex-keypad.example.dts:30.17-27 Unexpected 'MATRIX_KEY'
> Error: Documentation/devicetree/bindings/input/gpio-charlieplex-keypad.example.dts:30.29-30 syntax error
> FATAL ERROR: Unable to parse input tree
> make[2]: *** [scripts/Makefile.dtbs:132: Documentation/devicetree/bindings/input/gpio-charlieplex-keypad.example.dtb] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1525: dt_binding_check] Error 2
> make: *** [Makefile:248: __sub-make] Error 2

Hi,
I will add:
  #include <dt-bindings/input/input.h>
to the example section to fix this in V2.

Thank you,
Hugo.


> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.kernel.org/project/devicetree/patch/20260203155023.536103-2-hugo@hugovil.com
> 
> The base for the series is generally the latest rc1. A different dependency
> should be noted in *this* patch.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit after running the above command yourself. Note
> that DT_SCHEMA_FILES can be set to your schema file to speed up checking
> your schema. However, it must be unset to test all examples with your schema.
> 
> 


-- 
Hugo Villeneuve