linux-kernel - Re: [PATCH v2 07/15] dt-bindings: display: mediatek: Add binding for MT8195 HDMI-TX v2

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Message-Id: <173340563286.3304541.16351309995499835638.robh@kernel.org>
Date: Thu, 05 Dec 2024 07:33:52 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: simona@...ll.ch, devicetree@...r.kernel.org, p.zabel@...gutronix.de, 
 junzhi.zhao@...iatek.com, mripard@...nel.org, matthias.bgg@...il.com, 
 linux-kernel@...r.kernel.org, tzimmermann@...e.de, krzk+dt@...nel.org, 
 dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, 
 airlied@...il.com, chunkuang.hu@...nel.org, conor+dt@...nel.org, 
 kernel@...labora.com, jitao.shi@...iatek.com, 
 maarten.lankhorst@...ux.intel.com, ck.hu@...iatek.com, 
 linux-mediatek@...ts.infradead.org, jie.qiu@...iatek.com
Subject: Re: [PATCH v2 07/15] dt-bindings: display: mediatek: Add binding
 for MT8195 HDMI-TX v2


On Thu, 05 Dec 2024 12:45:09 +0100, AngeloGioacchino Del Regno wrote:
> Add a binding for the HDMI TX v2 Encoder found in MediaTek MT8195
> and MT8188 SoCs.
> 
> This fully supports the HDMI Specification 2.0b, hence it provides
> support for 3D-HDMI, Polarity inversion, up to 16 bits Deep Color,
> color spaces including RGB444, YCBCR420/422/444 (ITU601/ITU709) and
> xvYCC, with output resolutions up to 3840x2160p@...z.
> 
> Moreover, it also supports HDCP 1.4 and 2.3, Variable Refresh Rate
> (VRR) and Consumer Electronics Control (CEC).
> 
> This IP also includes support for HDMI Audio, including IEC60958
> and IEC61937 SPDIF, 8-channel PCM, DSD, and other lossless audio
> according to HDMI 2.0.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../mediatek/mediatek,mt8195-hdmi.yaml        | 154 ++++++++++++++++++
>  1 file changed, 154 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml
> 

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

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml:
Error in referenced schema matching $id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.example.dtb: hdmi-tx@...00000: i2c: False schema does not allow {'compatible': ['mediatek,mt8195-hdmi-ddc'], 'clocks': [[4294967295]]}
	from schema $id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.example.dtb: hdmi-tx@...00000: i2c: Unevaluated properties are not allowed ('clocks', 'compatible' were unexpected)
	from schema $id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi.yaml#
Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.example.dtb: /example-0/soc/hdmi-tx@...00000/i2c: failed to match any schema with compatible: ['mediatek,mt8195-hdmi-ddc']

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20241205114518.53527-8-angelogioacchino.delregno@collabora.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.