linux-kernel - Re: [PATCH v1 1/2] dt-bindings: gpio: ds4520: Add ADI DS4520

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Date:   Mon, 27 Mar 2023 21:05:54 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Okan Sahin <okan.sahin@...log.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: gpio: ds4520: Add ADI DS4520

On 27/03/2023 15:00, Okan Sahin wrote:
> Add ADI DS4520 devicetree document.
> 
> Signed-off-by: Okan Sahin <okan.sahin@...log.com>
> ---
>  .../bindings/gpio/adi,ds4520-gpio.yaml        | 45 +++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml b/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml
> new file mode 100644
> index 000000000000..69f90e59d415
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml

Filename matching compatible.

> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpio/adi,ds4520-gpio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: DS4520 I2C GPIO expander
> +
> +maintainers:
> +  - Okan Sahin <okan.sahin@...log.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ds4520
> +
> +  reg:
> +    maxItems: 1
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':

Use consistent quotes - either ' or ".

> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - gpio-controller
> +  - "#gpio-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c0 {

i2c


> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ds4520: gpio@50 {

Drop the label, not used here.

> +            compatible = "adi,ds4520-gpio";

As Rob's bot pointed...

Best regards,
Krzysztof