Thread (4 messages) 4 messages, 2 authors, 2026-01-06

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

From: Rob Herring <robh@kernel.org>
Date: 2026-01-06 18:34:42
Also in: linux-arm-kernel, linux-devicetree, linux-mediatek

On Mon, Jan 05, 2026 at 10:02:56AM +0100, Lorenzo Bianconi wrote:
quoted hunk ↗ jump to hunk
Introduce Block Ack memory region used by NPU MT7996 (Eagle) offloading.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
index 59c57f58116b568092446e6cfb7b6bd3f4f47b82..b3a2b36f6a121f90acf88a07b0f1733fa6da08a8 100644
--- a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
+++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
@@ -50,6 +50,12 @@ properties:
           - 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
This oneOf can be simplified to just this last entry plus 'minItems: 1'. 
Sure that allows 2 or 3 entries, but nothing defines when 1, 4, or 5 
entries is valid or not.
quoted hunk ↗ jump to hunk
 
   memory-region-names:
     items:
@@ -57,6 +63,7 @@ properties:
       - const: pkt
       - const: tx-pkt
       - const: tx-bufid
+      - const: ba
 
 required:
   - compatible
@@ -93,7 +100,7 @@ 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
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