On Thu, Nov 11, 2021 at 08:57:26AM -0600, Rob Herring wrote:

On Wed, 10 Nov 2021 20:43:28 +0100, H. Nikolaus Schaller wrote:

quoted

From: Sam Ravnborg <redacted>

Add DT bindings for the hdmi driver for the Ingenic JZ4780 SoC.
Based on .txt binding from Zubair Lutfullah Kakakhel

We also add add generic ddc-i2c-bus to synopsys,dw-hdmi.yaml

Signed-off-by: Sam Ravnborg <redacted>
Signed-off-by: H. Nikolaus Schaller <redacted>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
---
 .../display/bridge/synopsys,dw-hdmi.yaml      |  3 +
 .../bindings/display/ingenic-jz4780-hdmi.yaml | 76 +++++++++++++++++++

This goes in display/bridge/. And use compatible string for the file 
name: ingenic,jz4780-hdmi.yaml

quoted

 2 files changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.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:
./Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml:36:5: [warning] wrong indentation: expected 2 but found 4 (indentation)

dtschema/dtc warnings/errors:
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.example.dt.yaml: hdmi@10180000: 'clock-names', 'ddc-i2c-bus', 'interrupt-parent', 'interrupts', 'reg' do not match any of the regexes: 'pinctrl-[0-9]+'
	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.yaml

I think you need to use 'unevaluatedPropertes' instead of 
'additionalProperties' if you are getting these properties from 
synopsys,dw-hdmi.yaml.

Rob