Re: [PATCH v2 1/2] dt-bindings: iio: frequency: add admfm2000

[Krzysztof Kozlowski]

On 21/11/2023 11:00, Kim Seer Paller wrote:
> Dual microwave down converter module with input RF and LO frequency
> ranges from 0.5 to 32 GHz and an output IF frequency range from 0.1 to
> 8 GHz. It consists of a LNA, mixer, IF filter, DSA, and IF amplifier
> for each down conversion path.
> 
> Signed-off-by: Kim Seer Paller <kimseer.paller@xxxxxxxxxx>
> ---
> V1 -> V2: Removed '|' after description. Specified the pins connected to
>           the GPIOs. Added additionalProperties: false. Changed node name to gpio.

Why? Is this a GPIO? Your bindings title say this is a converter, not a
GPIO.

>           Aligned < syntax with the previous syntax in the examples.
> 
>  .../bindings/iio/frequency/adi,admfm2000.yaml | 130 ++++++++++++++++++
>  MAINTAINERS                                   |   7 +
>  2 files changed, 137 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
> new file mode 100644
> index 000000000000..92a7736c6eeb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
> @@ -0,0 +1,130 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2023 Analog Devices Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/frequency/adi,admfm2000.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ADMFM2000 Dual Microwave Down Converter
> +
> +maintainers:
> +  - Kim Seer Paller <kimseer.paller@xxxxxxxxxx>
> +
> +description:
> +    Dual microwave down converter module with input RF and LO frequency ranges
> +    from 0.5 to 32 GHz and an output IF frequency range from 0.1 to 8 GHz.
> +    It consists of a LNA, mixer, IF filter, DSA, and IF amplifier for each down
> +    conversion path.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,admfm2000
> +
> +  switch1-gpios:
> +    description:
> +      Must contain an array of 2 GPIO specifiers, referring to the GPIO pins

Not much improved here - you still repeat the constraints.

> +      connected to the B15 and B16.
> +    minItems: 2
> +    maxItems: 2

Instead all this:
  items:
    - description: B15 GPIO something something doing something
    - description: B16 GPIO something something doing some switching

> +
> +  switch2-gpios:
> +    description:
> +      Must contain an array of 2 GPIO specifiers, referring to the GPIO pins
> +      connected to the L14 and K14.
> +    minItems: 2
> +    maxItems: 2
> +
> +  attenuation1-gpios:
> +    description:
> +      Must contain an array of 5 GPIO specifiers, referring to the GPIO pins
> +      connected to the C14, C15, C16, D14, and D15.
> +    minItems: 5
> +    maxItems: 5
> +
> +  attenuation2-gpios:
> +    description:
> +      Must contain an array of 5 GPIO specifiers, referring to the GPIO pins
> +      connected to the L15, L16, M14, M15, and M16.
> +    minItems: 5
> +    maxItems: 5
> +
Best regards,
Krzysztof