[PATCH v3 12/42] dt-bindings: watchdog: Add Cirrus EP93x

Guenter Roeck linux at roeck-us.net
Thu Jul 20 06:28:31 PDT 2023


On 7/20/23 04:29, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin at maquefel.me>
> 
> This adds device tree bindings for the Cirrus Logic EP93xx
> watchdog block used in these SoCs.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin at maquefel.me>
> ---
>   .../bindings/watchdog/cirrus,ep9301-wdt.yaml       | 46 ++++++++++++++++++++++
>   1 file changed, 46 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
> new file mode 100644
> index 000000000000..d54595174a12
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/cirrus,ep9301-wdt.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/cirrus,ep9301-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus Logic EP93xx Watchdog Timer
> +
> +maintainers:
> +  - Nikita Shubin <nikita.shubin at maquefel.me>
> +  - Alexander Sverdlin <alexander.sverdlin at gmail.com>
> +
> +description:
> +  Cirrus Logic EP93xx SoC family has it's own watchdog implementation
> +

Odd description. Isn't that true for pretty much every devicetree
bindings file, and pretty much every hardware driver ?

> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: cirrus,ep9301-wdt
> +      - items:
> +          - enum:
> +              - cirrus,ep9302-wdt
> +              - cirrus,ep9307-wdt
> +              - cirrus,ep9312-wdt
> +              - cirrus,ep9315-wdt
> +          - const: cirrus,ep9301-wdt
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    watchdog at 80940000 {
> +        compatible = "cirrus,ep9301-wdt";
> +        reg = <0x80940000 0x08>;
> +    };
> +
> 




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