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SubjectRe: [PATCH v4 2/2] dt-bindings:iio:amplifiers: add ad7293 doc
On Mon, 22 Nov 2021 15:36:39 +0200
Antoniu Miclaus <antoniu.miclaus@analog.com> wrote:

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

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@analog.com>
> +
> +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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