This patch adds the NPU document binding for EN7581 SoC. The Airoha Network Processor Unit (NPU) provides a configuration interface to implement wired and wireless hardware flow offloading programming Packet Processor Engine (PPE) flow table. Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- .../devicetree/bindings/arm/airoha,en7581-npu.yaml | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml b/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml new file mode 100644 index 0000000000000000000000000000000000000000..a5bcfa299e7cd54f51e70f7ded113f1efcd3e8b7 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/airoha,en7581-npu.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/airoha,en7581-npu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha Network Processor Unit for EN7581 SoC + +maintainers: + - Lorenzo Bianconi <lorenzo@xxxxxxxxxx> + +description: + The Airoha Network Processor Unit (NPU) provides a configuration interface + to implement wired and wireless hardware flow offloading programming Packet + Processor Engine (PPE) flow table. + +properties: + compatible: + items: + - enum: + - airoha,en7581-npu + - const: syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 15 + + memory-region: + maxItems: 1 + description: + Phandle to the node describing memory used to store NPU firmware binary. + +required: + - compatible + - reg + - interrupts + - memory-region + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + soc { + #address-cells = <2>; + #size-cells = <2>; + + npu@1e900000 { + compatible = "airoha,en7581-npu", "syscon"; + reg = <0 0x1e900000 0 0x313000>; + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>; + memory-region = <&npu_binary>; + }; + }; -- 2.48.1
