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Message-Id: <20250705-airoha-en7581-wlan-offlaod-v2-1-3cf32785e381@kernel.org> Date: Sat, 05 Jul 2025 23:09:45 +0200 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: linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH net-next v2 1/7] dt-bindings: net: airoha: npu: Add memory regions used for wlan offload Document memory regions used by Airoha EN7581 NPU for wlan traffic offloading. Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.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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