| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |