Re: [PATCH 1/2] dt-bindings: devfreq: Document support for Airoha Subsystem devfreq

[Krzysztof Kozlowski]

On Mon, Aug 10, 2026 at 04:30:54PM +0200, Christian Marangi wrote:
> Airoha SoC contains multiple subsystem that are scaled to a
> specific OPP taking the CPU clock as reference. Such sybsystem
> can enter idle or performance state based on the system load
> and power consumption conditions.
> 
> Example of such subsystem are GSW (Gigabit Switch), NPU (Custom
> Risc Co-Processor for Network acceleration), SOE (Crypto Module) BUS...
> 
> Document all the required property and provide examples for the various
> subsystem OPP + devfreq nodes.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> ---
>  .../bindings/devfreq/airoha,devfreq.yaml      | 114 ++++++++++++++++++

devfreq is Linux subsystem. How is the device actually called?

>  1 file changed, 114 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/devfreq/airoha,devfreq.yaml
> 
> diff --git a/Documentation/devicetree/bindings/devfreq/airoha,devfreq.yaml b/Documentation/devicetree/bindings/devfreq/airoha,devfreq.yaml
> new file mode 100644
> index 000000000000..2f84486cb209
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/devfreq/airoha,devfreq.yaml
> @@ -0,0 +1,114 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/devfreq/airoha,devfreq.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Airoha SoC Subsystem Devfreq

Here as well

> +
> +maintainers:
> +  - Christian Marangi <ansuelsmth@xxxxxxxxx>
> +
> +description:
> +  Airoha SoC contains multiple subsystem that are scaled to a
> +  specific OPP taking the CPU clock as reference. Such sybsystem
> +  can enter idle or performance state based on the system load
> +  and power consumption conditions.
> +
> +  Example of such subsystem are GSW (Gigabit Switch), NPU (Custom
> +  Risc Co-Processor for Network acceleration), SOE (Crypto Module) BUS...
> +
> +properties:
> +  compatible:
> +    const: airoha,devfreq

And a generic compatible... We do not take bindings for Linux drivers.

Best regards,
Krzysztof