Re: [PATCH v3 1/2] dt-bindings: iio: dac: Add AD5529R
From: Jonathan Cameron
Date: Fri May 22 2026 - 13:02:52 EST
On Tue, 19 May 2026 17:42:58 +0200
Janani Sunil <janani.sunil@xxxxxxxxxx> wrote:
> Devicetree bindings for AD5529R 16 channel 12/16 bit high voltage,
> buffered voltage output digital-to-analog converter (DAC) with an
> integrated precision reference.
Note that I'm seeing this as Changes Requested in the DT-binding patchwork
but didn't see any replies.
Seems I didn't get the sashiko reply - nor did the IIO patchwork.
Hopefully Janani did!
https://patchwork.kernel.org/project/devicetree/patch/20260519-ad5529r-driver-v3-1-267c0731aa68@xxxxxxxxxx/
>
> Signed-off-by: Janani Sunil <janani.sunil@xxxxxxxxxx>
> ---
> .../devicetree/bindings/iio/dac/adi,ad5529r.yaml | 217 +++++++++++++++++++++
> MAINTAINERS | 7 +
> 2 files changed, 224 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5529r.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5529r.yaml
> new file mode 100644
> index 000000000000..eb66f6ca063d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5529r.yaml
> @@ -0,0 +1,217 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/adi,ad5529r.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD5529R 16-Channel 12/16-bit High Voltage DAC
> +
> +maintainers:
> + - Janani Sunil <janani.sunil@xxxxxxxxxx>
> +
> +description: |
> + The AD5529R is a 16-channel, 12-bit or 16-bit, high voltage, buffered voltage output
Long line. Check the wrap.
> + digital-to-analog converter (DAC) with an integrated precision reference.
> + The device operates from unipolar and bipolar supplies. It is guaranteed
> + monotonic and has built-in rail-to-rail output buffers that can source or
> + sink up to 25mA.
> +
> + Specifications:
> + * 16 independent 12-bit or 16-bit DAC channels
> + * Independently programmable output ranges: 0V to 5V, 0V to 10V, 0V to 20V,
> + 0V to 40V, ±5V, ±10V, ±15V, and ±20V
> + * The device supports SPI communication with Mode 0 and Mode 3.
> + * 4.096V precision reference, 12ppm/°C maximum
> + * Built-in function generation: Toggle, Sinusoidal Dither, and Ramp waveforms
> + * Multiplexer for output voltage, load current sense and die temperature
> +
> + Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad5529r.pdf
> +
> +patternProperties:
> + "^channel@([0-9]|1[0-5])$":
Sashiko commented that this should be hex. Why the forcing to decimal?