Re: [PATCH v2 1/2] dt-bindings: pwm: convert atmel pwm to json-schema

[Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>]

On 07/03/2022 15:46, Sergiu Moga wrote:
> Convert PWM binding for Atmel/Microchip SoCs to Device Tree Schema
> format.
> 
> Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
> ---
>  .../bindings/pwm/atmel,at91sam-pwm.yaml       | 42 +++++++++++++++++++
>  .../devicetree/bindings/pwm/atmel-pwm.txt     | 35 ----------------
>  2 files changed, 42 insertions(+), 35 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
>  delete mode 100644 Documentation/devicetree/bindings/pwm/atmel-pwm.txt
> 
> diff --git a/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml b/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
> new file mode 100644
> index 000000000000..2d5dd51a6a55
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/atmel,at91sam-pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel/Microchip PWM controller
> +
> +allOf:
> +  - $ref: "pwm.yaml#"

allOf by convention should go between maintaners and properties.

> +
> +maintainers:
> +  - Claudiu Beznea <claudiu.beznea@microchip.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - atmel,at91sam9rl-pwm
> +      - atmel,sama5d3-pwm
> +      - atmel,sama5d2-pwm
> +      - microchip,sam9x60-pwm
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#pwm-cells":
> +    const: 3
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: true

This has to be either additionalProperties:false or
"unevaluatedProperties:false".

> +
> +examples:
> +  - |
> +        pwm0: pwm@f8034000 {
> +                compatible = "atmel,at91sam9rl-pwm";
> +                reg = <0xf8034000 0x400>;
> +                #pwm-cells = <3>;

Also please change indentation to 2 or 4 spaces (like we use for all DTS
examples). Four is preferred (only personally).

You also need to update the path in MAINTAINERS.

Best regards,
Krzysztof