[PATCH net-next v2 1/7] dt-bindings: net: airoha: npu: Add memory regions used for wlan offload
Lorenzo Bianconi
lorenzo at kernel.org
Sat Jul 5 14:09:45 PDT 2025
Document memory regions used by Airoha EN7581 NPU for wlan traffic
offloading.
Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
---
.../devicetree/bindings/net/airoha,en7581-npu.yaml | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
index 76dd97c3fb4004674dc30a54c039c1cc19afedb3..db9269d1801bafa9be3b6c199a9e30cd23f4aea9 100644
--- a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
+++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
@@ -41,15 +41,25 @@ properties:
- description: wlan irq line5
memory-region:
- maxItems: 1
- description:
- Memory used to store NPU firmware binary.
+ 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
+
+ memory-region-names:
+ items:
+ - const: binary
+ - const: pkt
+ - const: tx-pkt
+ - const: tx-bufid
required:
- compatible
- reg
- interrupts
- memory-region
+ - memory-region-names
additionalProperties: false
@@ -79,6 +89,8 @@ examples:
<GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
- memory-region = <&npu_binary>;
+ memory-region = <&npu_binary>, <&npu_pkt>, <&npu_txpkt>,
+ <&npu_txbufid>;
+ memory-region-names = "binary", "pkt", "tx-pkt", "tx-bufid";
};
};
--
2.50.0
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