1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/arm/mediatek/mediatek,mt7622-wed.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MediaTek Wireless Ethernet Dispatch Controller for MT7622
8
9 maintainers:
10 - Lorenzo Bianconi <lorenzo@kernel.org>
11 - Felix Fietkau <nbd@nbd.name>
12
13 description:
14 The mediatek wireless ethernet dispatch controller can be configured to
15 intercept and handle access to the WLAN DMA queues and PCIe interrupts
16 and implement hardware flow offloading from ethernet to WLAN.
17
18 properties:
19 compatible:
20 items:
21 - enum:
22 - mediatek,mt7622-wed
23 - mediatek,mt7981-wed
24 - mediatek,mt7986-wed
25 - mediatek,mt7988-wed
26 - const: syscon
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 memory-region:
35 items:
36 - description: firmware EMI region
37 - description: firmware ILM region
38 - description: firmware DLM region
39 - description: firmware CPU DATA region
40 - description: firmware BOOT region
41
42 memory-region-names:
43 items:
44 - const: wo-emi
45 - const: wo-ilm
46 - const: wo-dlm
47 - const: wo-data
48 - const: wo-boot
49
50 mediatek,wo-ccif:
51 $ref: /schemas/types.yaml#/definitions/phandle
52 description: mediatek wed-wo controller interface.
53
54 allOf:
55 - if:
56 properties:
57 compatible:
58 contains:
59 const: mediatek,mt7622-wed
60 then:
61 properties:
62 memory-region-names: false
63 memory-region: false
64 mediatek,wo-ccif: false
65
66 required:
67 - compatible
68 - reg
69 - interrupts
70
71 additionalProperties: false
72
73 examples:
74 - |
75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76 #include <dt-bindings/interrupt-controller/irq.h>
77 soc {
78 #address-cells = <2>;
79 #size-cells = <2>;
80 wed0: wed@1020a000 {
81 compatible = "mediatek,mt7622-wed","syscon";
82 reg = <0 0x1020a000 0 0x1000>;
83 interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
84 };
85 };
86
87 - |
88 #include <dt-bindings/interrupt-controller/arm-gic.h>
89 #include <dt-bindings/interrupt-controller/irq.h>
90 soc {
91 #address-cells = <2>;
92 #size-cells = <2>;
93
94 wed@15010000 {
95 compatible = "mediatek,mt7986-wed", "syscon";
96 reg = <0 0x15010000 0 0x1000>;
97 interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
98
99 memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
100 <&wo_data>, <&wo_boot>;
101 memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
102 "wo-data", "wo-boot";
103 mediatek,wo-ccif = <&wo_ccif0>;
104 };
105 };
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