Re: [PATCH] dt-bindings: pwm: Convert lpc32xx-pwm.txt to YAML schema

From: Krzysztof Kozlowski
Date: Tue Mar 11 2025 - 11:18:41 EST


On 11/03/2025 15:55, Purva Yeshi wrote:
>>>
>>> Define properties:
>>> Restrict `compatible` to `"nxp,lpc3220-pwm"` using `const`.
>>> Limit `reg` to `maxItems: 1` to ensure a single register range.
>>> Set `"#pwm-cells"` to `const: 3` for expected PWM cell properties.
>>>
>>> Mark `compatible` and `reg` as required properties.
>>
>> So it wasn't before? What are you implying here?
>
> The compatible and reg properties were already present in the .txt file,
> but in a different format. I initially kept the commit message for them
> but have now removed it.

What does it mean "different format"?

...

>>>
>>> create mode 100644 Documentation/devicetree/bindings/pwm/lpc32xx-pwm.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/pwm/lpc32xx-pwm.yaml b/Documentation/devicetree/bindings/pwm/lpc32xx-pwm.yaml
>>> new file mode 100644
>>> index 000000000..3e41cd291
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/pwm/lpc32xx-pwm.yaml
>>> @@ -0,0 +1,45 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/pwm/nxp,lpc32xx-pwm.yaml#
>>
>> Filename matching compatible.
>
> In the lpc32xx-pwm.txt file, the compatible property was defined as
> "nxp,lpc3220-pwm", so I have kept it the same. To ensure consistency
> between the filename and compatible, should I rename the file to
> nxp,lpc3220-pwm.yaml?

Use whatever is there in the compatible property as the filename.


Best regards,
Krzysztof