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

From: Sergiu.Moga
Date: Mon Mar 07 2022 - 10:25:03 EST


On 07.03.2022 16:55, Krzysztof Kozlowski wrote:
> 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@xxxxxxxxxxxxx>
>> ---
>> .../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.
>
Understood.

>> +
>> +maintainers:
>> + - Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
>> +
>> +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".
>
>
Indeed, I believe `unevaluatedProperties: false` would be better here.
Thank you.

>> +
>> +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).
>
Noted, I will change the indentation to 4 spaces.

> You also need to update the path in MAINTAINERS.
>
Noted.

> Best regards,
> Krzysztof

Thank you for the feedback.

Sergiu