Subject: Re: [PATCH v23 5/8] dt-bindings: display: bridge: Add Cadence MHDP8501

From: Krzysztof Kozlowski <[email-masked]>
Date: Tue, 26 May 2026 08:10:43 +0200

On 26/05/2026 08:08, Krzysztof Kozlowski wrote:
> On Tue, May 19, 2026 at 02:42:28PM +0000, Laurentiu Palcu wrote:
>> From: Sandor Yu <[email-masked]>
>>
>> Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
>>
>> Signed-off-by: Sandor Yu <[email-masked]>
>> Signed-off-by: Laurentiu Palcu <[email-masked]>
>> ---
>>  .../bindings/display/bridge/cdns,mhdp8501.yaml     | 136 +++++++++++++++++++++
>>  1 file changed, 136 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
>> new file mode 100644
>> index 0000000000000..57e7e95199777
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml

Filename must match compatible.

>> @@ -0,0 +1,136 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Cadence MHDP8501 DP/HDMI bridge
>> +
>> +maintainers:
>> +  - Laurentiu Palcu <[email-masked]>
>> +
>> +description:
>> +  Cadence MHDP8501 DisplayPort/HDMI interface.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - fsl,imx8mq-mhdp8501-hdmi
>> +      - fsl,imx8mq-mhdp8501-dp
> 
> We are at v23 and you will be getting the same questions till you
> finally fix that commit msg.
> 
> Why bus/connector is part of the compatible? Device is exactly the same.
> Please read writing bindings - it covers exactly this case.

And this was BTW completely different in previous version.

NAK

Best regards,
Krzysztof