[PATCH net-next v3 1/7] dt-bindings: net: airoha: npu: Add memory regions used for wlan offload
Rob Herring
robh at kernel.org
Mon Jul 14 20:54:19 PDT 2025
On Mon, Jul 14, 2025 at 05:25:14PM +0200, Lorenzo Bianconi wrote:
> 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 | 19 +++++++++++++++----
> 1 file changed, 15 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..f99d60f75bb03931a1c4f35066c72c709e337fd2 100644
> --- a/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
> +++ b/Documentation/devicetree/bindings/net/airoha,en7581-npu.yaml
> @@ -41,9 +41,18 @@ 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
1 entry was valid before, but not anymore? If so, justify it in the
commit message.
> +
> + memory-region-names:
> + items:
> + - const: firmware
> + - const: pkt
> + - const: tx-pkt
> + - const: tx-bufid
>
> required:
> - compatible
> @@ -79,6 +88,8 @@ 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_firmware>, <&npu_pkt>, <&npu_txpkt>,
> + <&npu_txbufid>;
> + memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid";
> };
> };
>
> --
> 2.50.1
>
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