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Date:   Tue, 29 Sep 2020 16:48:21 +0100
From:   Jonathan Cameron <jic23@kernel.org>
To:     Cristian Pop <cristian.pop@analog.com>
Cc:     <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org
Subject: Re: [PATCH v7 4/5] dt-bindings:iio:adc:adi,ad7768-1: Add
 documentation for channel label
Message-ID: <20200929164821.49f83061@archlinux>
In-Reply-To: <20200928090959.88842-4-cristian.pop@analog.com>
References: <20200928090959.88842-1-cristian.pop@analog.com>
        <20200928090959.88842-4-cristian.pop@analog.com>
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On Mon, 28 Sep 2020 12:09:58 +0300
Cristian Pop <cristian.pop@analog.com> wrote:

> Optional attribute for better identification of the channels.
> 
> Signed-off-by: Cristian Pop <cristian.pop@analog.com>
Dt-bindings should be cc'd to Rob + the dt list.
+CC

> ---
> Changes in v7:
>  - Add "additionalProperties: false" for channel child nodes.
>  - Fix "reg" spelling.
>  .../bindings/iio/adc/adi,ad7768-1.yaml        | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
> index d3733ad8785a..6be43bf5c1e0 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
> @@ -29,6 +29,12 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 0
> +
>    vref-supply:
>      description:
>        ADC reference voltage supply
> @@ -61,6 +67,24 @@ required:
>    - spi-cpha
>    - adi,sync-in-gpios
>  
> +patternProperties:
> +  "^channel@([0-9]|1[0-5])$":
> +    type: object
> +    description: |
> +      Represents the external channels which are connected to the device.
> +
> +    properties:
> +      reg:
> +        description: |
> +          The channel number.
> +
> +      label:
> +        description: |
> +          Unique name to identify which channel this is.
> +    required:
> +      - reg
> +    additionalProperties: false
> +
>  additionalProperties: false
>  
>  examples:
> @@ -84,6 +108,14 @@ examples:
>              reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
>              clocks = <&ad7768_mclk>;
>              clock-names = "mclk";
> +
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            channel@0 {
> +                reg = <0>;
> +                label = "channel_0";
> +            };
>          };
>      };
>  ...