linux-kernel - Re: [PATCH 1/3] dt-bindings: iio: chemical: sensirion,scd4x: Add yaml description

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Message-ID: <YS7arxN5f8o5VZTI@robh.at.kernel.org>
Date:   Tue, 31 Aug 2021 20:43:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Roan van Dijk <roan@...tonic.nl>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Tomasz Duszynski <tomasz.duszynski@...akon.com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, david@...tonic.nl,
        Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH 1/3] dt-bindings: iio: chemical: sensirion,scd4x: Add
 yaml description

On Tue, Aug 31, 2021 at 09:48:26AM +0200, Roan van Dijk wrote:
> Add documentation for the SCD4x carbon dioxide sensor from Sensirion.
> 
> Signed-off-by: Roan van Dijk <roan@...tonic.nl>
> ---
>  .../iio/chemical/sensirion,scd4x.yaml         | 45 +++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml
> new file mode 100644
> index 000000000000..119356933b86
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/chemical/sensirion,scd4x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sensirion SCD4X carbon dioxide sensor
> +
> +maintainers:
> +  - Roan van Dijk <roan@...tonic.nl>
> +
> +description: |
> +  Air quality sensor capable of measuring co2 concentration, temperature
> +  and relative humidity.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sensirion,scd4x

Looks like there's 2 parts with a s/w visible difference (low power 
single shot mode). So this should be 2 compatibles without wildcards.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  vdd-supply: true
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      co2-sensor@62 {
> +        compatible = "sensirion,scd4x";
> +        reg = <0x62>;
> +      };
> +    };
> -- 
> 2.30.2
> 
>