linux-kernel - Re: [PATCH 6/8] dt-bindings: auxdisplay: add Titan Micro Electronics TM16XX

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Message-Id: <175113330138.2294536.6016522770274673220.robh@kernel.org>
Date: Sat, 28 Jun 2025 12:55:01 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Jean-François Lessard <jefflessard3@...il.com>
Cc: Andy Shevchenko <andy@...nel.org>, linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Boris Gjenero <boris.gjenero@...il.com>, 
 Heiner Kallweit <hkallweit1@...il.com>, linux-leds@...r.kernel.org, 
 Christian Hewitt <christianshewitt@...il.com>, 
 Andreas Färber <afaerber@...e.de>, 
 Paolo Sabatino <paolo.sabatino@...il.com>, devicetree@...r.kernel.org, 
 Geert Uytterhoeven <geert@...ux-m68k.org>, 
 Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH 6/8] dt-bindings: auxdisplay: add Titan Micro
 Electronics TM16XX

On Sat, 28 Jun 2025 12:18:43 -0400, Jean-François Lessard wrote:
> Add documentation for TM16XX and compatible LED display controllers.
> 
> This patch is inspired by previous work from Andreas Färber and Heiner Kallweit.
> 
> Co-developed-by: Andreas Färber <afaerber@...e.de>
> Co-developed-by: Heiner Kallweit <hkallweit1@...il.com>
> Signed-off-by: Jean-François Lessard <jefflessard3@...il.com>
> ---
>  .../bindings/auxdisplay/tm16xx.yaml           | 153 ++++++++++++++++++
>  1 file changed, 153 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/auxdisplay/tm16xx.yaml
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/auxdisplay/tm16xx.example.dts:59.29-83.11: ERROR (duplicate_label): /example-1/spi: Duplicate label 'display_client' on /example-1/spi and /example-0/i2c
ERROR: Input tree has errors, aborting (use -f to force output)
make[2]: *** [scripts/Makefile.dtbs:131: Documentation/devicetree/bindings/auxdisplay/tm16xx.example.dtb] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1519: dt_binding_check] Error 2
make: *** [Makefile:248: __sub-make] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250628161850.38865-7-jefflessard3@gmail.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.