Re: [PATCH net-next v3 11/16] dt-bindings: arm: airoha: Add the NPU node for EN7581 SoC

Lorenzo Bianconi
2025-02-11T16:53:43Z

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On Feb 11, Krzysztof Kozlowski wrote:
> On Sun, Feb 09, 2025 at 01:09:04PM +0100, Lorenzo Bianconi wrote:
> > This patch adds the NPU document binding for EN7581 SoC.
> > The Airoha Network Processor Unit (NPU) provides a configuration interface
> > to implement wired and wireless hardware flow offloading programming Packet
> > Processor Engine (PPE) flow table.
> >
> > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> > ---
> > .../devicetree/bindings/arm/airoha,en7581-npu.yaml | 71 ++++++++++++++++++++++
> > 1 file changed, 71 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml
> > new file mode 100644
> > index 0000000000000000000000000000000000000000..a5bcfa299e7cd54f51e70f7ded113f1efcd3e8b7
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml
>
> arm is for top-level nodes, this has to go to proper directory or as
> last-resort to the soc.
>
> > @@ -0,0 +1,71 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/arm/airoha,en7581-npu.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Airoha Network Processor Unit for EN7581 SoC
> > +
> > +maintainers:
> > + - Lorenzo Bianconi <lorenzo@kernel.org>
> > +
> > +description:
> > + The Airoha Network Processor Unit (NPU) provides a configuration interface
> > + to implement wired and wireless hardware flow offloading programming Packet
> > + Processor Engine (PPE) flow table.
>
> Sounds like network device, so maybe net?

yes. Do you mean to move it in Documentation/devicetree/bindings/net/ ?

>
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - airoha,en7581-npu
> > + - const: syscon
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 15
>
> You need to list the items.

ack, I will fix it.

>
> > +
> > + memory-region:
> > + maxItems: 1
> > + description:
> > + Phandle to the node describing memory used to store NPU firmware binary.
>
> s/Phandle to the node describing//

ack, I will fix it.

Regards,
Lorenzo

>
> Best regards,
> Krzysztof
>

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