linux-kernel - Re: [PATCH 2/2] dt-bindings: display/panel: Add AUO A030JTN01

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Date:   Tue, 13 Dec 2022 08:30:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Christophe Branchereau <cbranchereau@...il.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        thierry.reding@...il.com, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org, daniel@...ll.ch, paul@...pouillou.net,
        airlied@...il.com, sam@...nborg.org
Subject: Re: [PATCH 2/2] dt-bindings: display/panel: Add AUO A030JTN01

On Tue, Dec 13, 2022 at 07:46:32AM -0600, Rob Herring wrote:
> 
> On Tue, 13 Dec 2022 09:10:34 +0100, Christophe Branchereau wrote:
> > Add binding for the AUO A030JTN01 panel, which is a 320x480 3.0" 4:3
> > 24-bit TFT LCD panel with non-square pixels and a delta-RGB 8-bit
> > interface.
> > 
> > Signed-off-by: Christophe Branchereau <cbranchereau@...il.com>
> > Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> > ---
> >  .../bindings/display/panel/auo,a030jtn01.yaml | 57 +++++++++++++++++++
> >  1 file changed, 57 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/panel/auo,a030jtn01.yaml
> > 
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dts:22.11-21: Warning (reg_format): /example-0/panel@0:reg: property has invalid length (4 bytes) (#address-cells == 1, #size-cells == 1)
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: Warning (simple_bus_reg): Failed prerequisite 'reg_format'
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
> Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/panel/auo,a030jtn01.example.dtb: panel@0: Unevaluated properties are not allowed ('spi-max-frequency' was unexpected)
> 	From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/panel/auo,a030jtn01.yaml

You need a minimal spi bus node in your example.