Re: [v6 1/4] dt-bindings: pwm: Add ASPEED PWM Control documentation

[Krzysztof Kozlowski]

On 08/06/2023 04:18, Billy Tsai wrote:
> Document the compatible for aspeed,ast2600-pwm device.
> 
> Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
> ---
>  .../bindings/pwm/aspeed,ast2600-pwm.yaml      | 38 +++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml
> new file mode 100644
> index 000000000000..a9e040263578
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2021 Aspeed, Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/aspeed,ast2600-pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aspeed Ast2600 PWM controller
> +
> +maintainers:
> +  - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
> +
> +description: |
> +  The Aspeed PWM controller supports up to 1 PWM outputs.

This does not look right.

> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2600-pwm
> +
> +  "#pwm-cells":
> +    const: 3

3 cells? For one PWM? What are they?

> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - clocks
> +  - resets
> +
> +additionalProperties: false

Missing examples. All bindings need examples.

Best regards,
Krzysztof