Re: [PATCH v4 2/2] dt-bindings:iio:amplifiers: add ad7293 doc

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On Mon, 22 Nov 2021 15:36:39 +0200
Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> wrote:

> Add device tree bindings for the AD7293 Power Amplifier.
> 
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>

One comment inline but very minor so if Rob + anyone else is
happy with this we can leave that or I can tidy it up whilst applying.

Thanks,

Jonathan

> ---
> changes in v4:
>  - set `avdd-supply: true`
>  - set `maxItems` for reset-gpios
>  .../bindings/iio/dac/adi,ad7293.yaml          | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad7293.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad7293.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad7293.yaml
> new file mode 100644
> index 000000000000..7951ffe8805b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad7293.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/adi,ad7293.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AD7293 12-Bit Power Amplifier Current Controller with ADC,
> +       DACs, Temperature and Current Sensors
> +
> +maintainers:
> +  - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> +
> +description: |
> +   Power Amplifier drain current controller containing functionality
> +   for general-purpose monitoring and control of current, voltage,
> +   and temperature, integrated into a single chip solution with an
> +   SPI-compatible interface.
> +
> +   https://www.analog.com/en/products/ad7293.html
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad7293
> +
> +  avdd-supply: true
> +
> +  vdrive-supply:
> +    description:
> +      VDRIVE voltage regulator.
Could do the same with this one as with the avdd.

Telling us something called vdrive-supply is the VDRIVE supply doesn't
add much.  However, doesn't do that much harm either so I'm not that fussed.

Jonathan

> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 1000000
> +
> +required:
> +  - compatible
> +  - reg
> +  - avdd-supply
> +  - vdrive-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    spi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      ad7293@0 {
> +        compatible = "adi,ad7293";
> +        reg = <0>;
> +        spi-max-frequency = <1000000>;
> +        avdd-supply = <&avdd>;
> +        vdrive-supply = <&vdrive>;
> +        reset-gpios = <&gpio 10 0>;
> +      };
> +    };
> +...




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