linux-kernel - Re: [PATCH v5 2/2] dt-bindings: iio: frequency: Add docs for ADF4371 PLL

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Message-ID: <20190611215932.GA24974@bogus>
Date:   Tue, 11 Jun 2019 15:59:32 -0600
From:   Rob Herring <robh@...nel.org>
To:     Stefan Popa <stefan.popa@...log.com>
Cc:     jic23@...nel.org, mark.rutland@....com, knaack.h@....de,
        lars@...afoo.de, pmeerw@...erw.net, Michael.Hennerich@...log.com,
        gregkh@...uxfoundation.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/2] dt-bindings: iio: frequency: Add docs for ADF4371
 PLL

On Tue, Jun 04, 2019 at 04:08:17PM +0300, Stefan Popa wrote:
> Document support for Analog Devices ADF4371 SPI Wideband Synthesizer.
> 
> Signed-off-by: Stefan Popa <stefan.popa@...log.com>
> ---
> Changes in v2:
> 	- Nothing changed.
> Changes in v3:
> 	- Nothing changed.
> Changes in v4:
> 	- Nothing changed.
> Changes in v5:
> 	- Nothing changed.

Please add acks/reviewed-bys when posting new versions.

But something else I noticed:

> 
>  .../devicetree/bindings/iio/frequency/adf4371.yaml | 54 ++++++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
> new file mode 100644
> index 0000000..d7adf074
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/frequency/adf4371.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/frequency/adf4371.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices ADF4371 Wideband Synthesizer
> +
> +maintainers:
> +  - Popa Stefan <stefan.popa@...log.com>
> +
> +description: |
> +  Analog Devices ADF4371 SPI Wideband Synthesizer
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/adf4371.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adf4371
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description:
> +      Definition of the external clock (see clock/clock-bindings.txt)
> +    maxItems: 1
> +
> +  clock-names:
> +    description:
> +      Must be "clkin"

This can be a schema:

clock-names:
  items:
    - clkin

> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +examples:
> +  - |
> +    spi0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        frequency@0 {
> +                compatible = "adi,adf4371";
> +                reg = <0>;
> +                spi-max-frequency = <1000000>;
> +                clocks = <&adf4371_clkin>;
> +                clock-names = "clkin";
> +        };
> +    };
> +...
> -- 
> 2.7.4
>