Re: [PATCH] dt-bindings: watchdog: migrate rt2880 text bindings to YAML

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On 01/03/2023 10:19, Sergio Paracuellos wrote:
> Ralink RT2880 Watchdog bindings used text format, so migrate them to YAML.
> There are some additions to the binding that were not in the original
> txt file. This binding is used in RT2880, RT3050, RT3352, RT3883, RT5350,
> and MT7620 SoCs. To properly match all dts nodes included in openWRT git
> trees we need to add to the schema 'reset' and 'reset-names'. 'reset-names'

Sorry, but out of tree undocumented properties cannot be added just
"because they exist". Otherwise what would be the point of
documentation? It would be enough to add any stuff anywhere and claim -
it's used in my xxxyyyzzz, so we must support it".

> property is always string 'wdt' so maintain that as const in the schema.
> 
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
> ---
>  .../bindings/watchdog/ralink,rt2880-wdt.yaml  | 47 +++++++++++++++++++
>  .../bindings/watchdog/rt2880-wdt.txt          | 18 -------
>  2 files changed, 47 insertions(+), 18 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/ralink,rt2880-wdt.yaml
>  delete mode 100644 Documentation/devicetree/bindings/watchdog/rt2880-wdt.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/ralink,rt2880-wdt.yaml b/Documentation/devicetree/bindings/watchdog/ralink,rt2880-wdt.yaml
> new file mode 100644
> index 000000000000..c96bf2e61364
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/ralink,rt2880-wdt.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/ralink,rt2880-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ralink Watchdog Timers
> +
> +maintainers:
> +  - Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    const: ralink,rt2880-wdt
> +
> +  reg:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    items:
> +      - const: wdt

Drop reset names.

> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false

unevaluatedProperties instead, because you want properties from
watchdog.yaml.



Best regards,
Krzysztof




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