Re: [PATCH] dt-bindings: iio: dds: Add AD9832/AD9835 binding

From: Conor Dooley

Date: Sat May 09 2026 - 12:00:43 EST


Jonathan,

What's the story with adding bindings for things that are in staging?

Cheers,
Conor.

On Fri, May 08, 2026 at 11:37:30PM +0000, Hungyu Lin wrote:
> Add devicetree binding documentation for AD9832 and AD9835 DDS devices.
>
> These devices are SPI-controlled direct digital synthesizers
> requiring AVDD, DVDD supplies and an external master clock.
>
> Signed-off-by: Hungyu Lin <dennylin0707@xxxxxxxxx>
> ---
> .../bindings/iio/dds/adi,ad9832.yaml | 66 +++++++++++++++++++
> 1 file changed, 66 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml b/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml
> new file mode 100644
> index 000000000000..7e2eece086d0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dds/adi,ad9832.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD9832 / AD9835 DDS
> +
> +maintainers:
> + - Hungyu Lin <dennylin0707@xxxxxxxxx>
> +
> +description: |
> + Analog Devices AD9832 and AD9835 are SPI-controlled direct digital
> + synthesizers (DDS) capable of generating programmable frequency and
> + phase output signals using an external master clock.
> +
> +properties:
> + compatible:
> + enum:
> + - adi,ad9832
> + - adi,ad9835
> +
> + reg:
> + maxItems: 1
> +
> + spi-max-frequency:
> + maximum: 20000000
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + const: mclk
> +
> + avdd-supply:
> + description: Analog power supply
> +
> + dvdd-supply:
> + description: Digital power supply
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - avdd-supply
> + - dvdd-supply
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ad9832@0 {
> + compatible = "adi,ad9832";
> + reg = <0>;
> + spi-max-frequency = <20000000>;
> + clocks = <&mclk>;
> + clock-names = "mclk";
> + avdd-supply = <&vdd_3v3>;
> + dvdd-supply = <&vdd_3v3>;
> + };
> + };
> --
> 2.34.1
>

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