netdev - [PATCH net-next v3 1/2] dt-bindings: net: airoha: npu: Add BA memory region

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Message-Id: <20260108-airoha-ba-memory-region-v3-1-bf1814e5dcc4@kernel.org>
Date: Thu, 08 Jan 2026 16:05:07 +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>, 
 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, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH net-next v3 1/2] dt-bindings: net: airoha: npu: Add BA
 memory region

Introduce Block Ack memory region used by NPU MT7996 (Eagle) offloading.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 .../devicetree/bindings/net/airoha,en7581-npu.yaml  | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
index 59c57f58116b568092446e6cfb7b6bd3f4f47b82..19860b41286fd42f2a5ed15d5dc75ee0eb00a639 100644
--- a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
+++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
@@ -42,14 +42,13 @@ properties:
       - description: wlan irq line5
 
   memory-region:
-    oneOf:
-      - items:
-          - description: NPU firmware binary region
-      - items:
-          - description: NPU firmware binary region
-          - description: NPU wlan offload RX buffers region
-          - description: NPU wlan offload TX buffers region
-          - description: NPU wlan offload TX packet identifiers region
+    items:
+      - description: NPU firmware binary region
+      - description: NPU wlan offload RX buffers region
+      - description: NPU wlan offload TX buffers region
+      - description: NPU wlan offload TX packet identifiers region
+      - description: NPU wlan Block Ack buffers region
+    minItems: 1
 
   memory-region-names:
     items:
@@ -57,6 +56,8 @@ properties:
       - const: pkt
       - const: tx-pkt
       - const: tx-bufid
+      - const: ba
+    minItems: 1
 
 required:
   - compatible
@@ -93,7 +94,7 @@ examples:
                      <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
                      <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
         memory-region = <&npu_firmware>, <&npu_pkt>, <&npu_txpkt>,
-                        <&npu_txbufid>;
-        memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid";
+                        <&npu_txbufid>, <&npu_ba>;
+        memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid", "ba";
       };
     };

-- 
2.52.0