netdev - [PATCH net-next 09/13] dt-bindings: net: airoha: Add airoha,npu phandle property

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Message-Id: <20250205-airoha-en7581-flowtable-offload-v1-9-d362cfa97b01@kernel.org>
Date: Wed, 05 Feb 2025 19:21:28 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Lorenzo Bianconi <lorenzo@...nel.org>
Cc: netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org, 
 upstream@...oha.com
Subject: [PATCH net-next 09/13] dt-bindings: net: airoha: Add airoha,npu
 phandle property

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@...nel.org>
---
 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:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the syscon node used to configure the NPU module
+      used for traffic offloading.
+
 patternProperties:
   "^ethernet@[1-4]$":
     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