Re: [PATCH RFC v4 1/6] dt-bindings: iio: add Open Sensor Fusion device

[Conor Dooley <conor@kernel.org>]

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Jonathan/IIO folks,

On Mon, Jun 08, 2026 at 08:43:38AM +0900, Jinseob Kim wrote:

> diff --git a/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml b/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml
> new file mode 100644
> index 000000000..a4049715a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/opensensorfusion,osf.yaml
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/opensensorfusion,osf.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Open Sensor Fusion Sensor Aggregation Hub
> +
> +maintainers:
> +  - Jinseob Kim <kimjinseob88@gmail.com>
> +
> +description: |
> +  Open Sensor Fusion is a sensor aggregation hub. The hub exposes an OSF
> +  protocol data stream over its host interface and may report capabilities and
> +  samples for multiple sensor classes. The Linux driver discovers the actual
> +  sensor channels from OSF capability reports instead of describing those
> +  sensors in Device Tree.
> +
> +  Open Sensor Fusion is not a generic industry standard. Public project
> +  documentation is available at:
> +
> +    https://github.com/opensensorfusion
> +
> +allOf:
> +  - $ref: /schemas/serial/serial-peripheral-props.yaml#
> +
> +properties:
> +  compatible:
> +    const: opensensorfusion,osf
> +
> +required:
> +  - compatible

Do you think it makes sense to permit a regulator here, so that the
"host" OS can power on/off the board running the osf stack?

> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    serial {
> +        sensor {
> +            compatible = "opensensorfusion,osf";
> +        };
> +    };
> +...

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