> On Wed, Feb 05, 2025 at 07:21:28PM +0100, Lorenzo Bianconi wrote: > > Introduce the airoha,npu property for the npu syscon node available on > > EN7581 SoC. The airoha Network Processor Unit (NPU) is used to offload > > network traffic forwarded between Packet Switch Engine (PSE) ports. > > > > Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml > > index c578637c5826db4bf470a4d01ac6f3133976ae1a..6388afff64e990a20230b0c4e58534aa61f984da 100644 > > --- a/Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml > > +++ b/Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml > > @@ -63,6 +63,12 @@ properties: > > "#size-cells": > > const: 0 > > > > + airoha,npu: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: > > + Phandle to the syscon node used to configure the NPU module > > + used for traffic offloading. > > Why do you need a phandle for this, instead of a lookup by compatible? > Do you have multiple instances of this ethernet controller on the > device, that each need to look up a different npu? actually not, but looking up via the compatible string has been naked by Krzysztof on a different series [0]. Regards, Lorenzo [0] https://patchwork.kernel.org/project/linux-pci/patch/20250115-en7581-pcie-pbus-csr-v1-2-40d8fcb9360f@xxxxxxxxxx/ > > > + > > patternProperties: > > "^ethernet@[1-4]$": > > type: object > > @@ -132,6 +138,8 @@ examples: > > <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>, > > <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>; > > > > + airoha,npu = <&npu>; > > + > > #address-cells = <1>; > > #size-cells = <0>; > > > > > > -- > > 2.48.1 > >
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