tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/airoha,en7581-npu.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Airoha Network Processor Unit for EN7581 SoC
8
9maintainers:
10 - Lorenzo Bianconi <lorenzo@kernel.org>
11
12description:
13 The Airoha Network Processor Unit (NPU) provides a configuration interface
14 to implement wired and wireless hardware flow offloading programming Packet
15 Processor Engine (PPE) flow table.
16
17properties:
18 compatible:
19 enum:
20 - airoha,en7581-npu
21 - airoha,an7583-npu
22
23 reg:
24 maxItems: 1
25
26 interrupts:
27 items:
28 - description: mbox host irq line
29 - description: watchdog0 irq line
30 - description: watchdog1 irq line
31 - description: watchdog2 irq line
32 - description: watchdog3 irq line
33 - description: watchdog4 irq line
34 - description: watchdog5 irq line
35 - description: watchdog6 irq line
36 - description: watchdog7 irq line
37 - description: wlan irq line0
38 - description: wlan irq line1
39 - description: wlan irq line2
40 - description: wlan irq line3
41 - description: wlan irq line4
42 - description: wlan irq line5
43
44 memory-region:
45 items:
46 - description: NPU firmware binary region
47 - description: NPU wlan offload RX buffers region
48 - description: NPU wlan offload TX buffers region
49 - description: NPU wlan offload TX packet identifiers region
50 - description: NPU wlan Block Ack buffers region
51 minItems: 1
52
53 memory-region-names:
54 items:
55 - const: firmware
56 - const: pkt
57 - const: tx-pkt
58 - const: tx-bufid
59 - const: ba
60 minItems: 1
61
62 firmware-name:
63 items:
64 - description: Firmware name of RiscV core
65 - description: Firmware name of Data section
66
67required:
68 - compatible
69 - reg
70 - interrupts
71 - memory-region
72
73additionalProperties: false
74
75examples:
76 - |
77 #include <dt-bindings/interrupt-controller/arm-gic.h>
78 #include <dt-bindings/interrupt-controller/irq.h>
79 soc {
80 #address-cells = <2>;
81 #size-cells = <2>;
82
83 npu@1e900000 {
84 compatible = "airoha,en7581-npu";
85 reg = <0 0x1e900000 0 0x313000>;
86 interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
87 <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
88 <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
89 <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
90 <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
91 <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
92 <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
93 <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
94 <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
95 <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
96 <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
97 <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
98 <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
99 <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
100 <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
101 memory-region = <&npu_firmware>, <&npu_pkt>, <&npu_txpkt>,
102 <&npu_txbufid>, <&npu_ba>;
103 memory-region-names = "firmware", "pkt", "tx-pkt", "tx-bufid", "ba";
104 firmware-name = "airoha/en7581_npu_rv32.bin",
105 "airoha/en7581_npu_data.bin";
106 };
107 };