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@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260108-airoha-ba-memory-region-v3-1-bf1814e5dcc4@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
index 59c57f58116b568092446e6cfb7b6bd3f4f47b82..19860b41286fd42f2a5ed15d5dc75ee0eb00a639 100644 (file)
--- 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";
       };
     };