# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. %YAML 1.2 --- $id: http://devicetree.org/schemas/net/wireless/mediatek,mt76.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: MediaTek mt76 wireless devices maintainers: - Felix Fietkau - Lorenzo Bianconi - Ryder Lee description: | This node provides properties for configuring the MediaTek mt76xx wireless device. The node is expected to be specified as a child node of the PCI controller to which the wireless chip is connected. Alternatively, it can specify the wireless part of the MT7628/MT7688 or MT7622/MT7986 SoC. properties: compatible: enum: - mediatek,mt76 - mediatek,mt7628-wmac - mediatek,mt7622-wmac - mediatek,mt7981-wmac - mediatek,mt7986-wmac reg: minItems: 1 maxItems: 3 description: MT7986 should contain 3 regions consys, dcm, and sku, in this order. interrupts: minItems: 1 items: - description: major interrupt for rings - description: additional interrupt for ring 19 - description: additional interrupt for ring 4 - description: additional interrupt for ring 5 power-domains: maxItems: 1 memory-region: maxItems: 1 resets: maxItems: 1 description: Specify the consys reset for mt7986. reset-names: const: consys clocks: maxItems: 2 description: Specify the consys clocks for mt7986. clock-names: items: - const: mcu - const: ap2conn mediatek,infracfg: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle to the infrastructure bus fabric syscon node. This property is MT7622 specific ieee80211-freq-limit: true nvmem-cells: items: - description: NVMEM cell with EEPROM nvmem-cell-names: items: - const: eeprom mediatek,eeprom-data: $ref: /schemas/types.yaml#/definitions/uint32-array description: EEPROM data embedded as array. mediatek,mtd-eeprom: $ref: /schemas/types.yaml#/definitions/phandle-array items: - items: - description: phandle to MTD partition - description: offset containing EEPROM data description: Phandle to a MTD partition + offset containing EEPROM data deprecated: true big-endian: $ref: /schemas/types.yaml#/definitions/flag description: Specify if the radio eeprom partition is written in big-endian mediatek,eeprom-merge-otp: type: boolean description: Merge EEPROM data with OTP data. Can be used on boards where the flash calibration data is generic and specific calibration data should be pulled from the OTP ROM mediatek,disable-radar-background: type: boolean description: Disable/enable radar/CAC detection running on a dedicated offchannel chain available on some hw. Background radar/CAC detection allows to avoid the CAC downtime switching on a different channel during CAC detection on the selected radar channel. led: type: object $ref: /schemas/leds/common.yaml# additionalProperties: false properties: led-active-low: description: LED is enabled with ground signal. type: boolean led-sources: maxItems: 1 power-limits: type: object additionalProperties: false patternProperties: "^r[0-9]+": type: object additionalProperties: false properties: regdomain: $ref: /schemas/types.yaml#/definitions/string description: Regdomain refers to a legal regulatory region. Different countries define different levels of allowable transmitter power, time that a channel can be occupied, and different available channels enum: - FCC - ETSI - JP patternProperties: "^txpower-[256]g$": type: object additionalProperties: false patternProperties: "^b[0-9]+$": type: object additionalProperties: false properties: channels: $ref: /schemas/types.yaml#/definitions/uint32-array minItems: 2 maxItems: 2 description: Pairs of first and last channel number of the selected band rates-cck: $ref: /schemas/types.yaml#/definitions/uint8-array minItems: 4 maxItems: 4 description: 4 half-dBm per-rate power limit values rates-ofdm: $ref: /schemas/types.yaml#/definitions/uint8-array minItems: 8 maxItems: 8 description: 8 half-dBm per-rate power limit values rates-mcs: $ref: /schemas/types.yaml#/definitions/uint8-matrix description: Sets of per-rate power limit values for 802.11n/802.11ac rates for multiple channel bandwidth settings. Each set starts with the number of channel bandwidth settings for which the rate set applies, followed by either 8 or 10 power limit values. The order of the channel bandwidth settings is 20, 40, 80 and 160 MHz. maxItems: 4 items: minItems: 9 maxItems: 11 rates-ru: $ref: /schemas/types.yaml#/definitions/uint8-matrix description: Sets of per-rate power limit values for 802.11ax rates for multiple channel bandwidth or resource unit settings. Each set starts with the number of channel bandwidth or resource unit settings for which the rate set applies, followed by 12 power limit values. The order of the channel resource unit settings is RU26, RU52, RU106, RU242/SU20, RU484/SU40, RU996/SU80 and RU2x996/SU160. items: minItems: 13 maxItems: 13 txs-delta: $ref: /schemas/types.yaml#/definitions/uint32-array description: Half-dBm power delta for different numbers of antennas required: - compatible - reg allOf: - $ref: ieee80211.yaml# - if: properties: compatible: contains: enum: - mediatek,mt7981-wmac - mediatek,mt7986-wmac then: properties: interrupts: minItems: 4 else: properties: interrupts: maxItems: 1 unevaluatedProperties: false examples: - | pcie0 { #address-cells = <3>; #size-cells = <2>; wifi@0,0 { compatible = "mediatek,mt76"; reg = <0x0000 0 0 0 0>; ieee80211-freq-limit = <5000000 6000000>; mediatek,mtd-eeprom = <&factory 0x8000>; big-endian; led { led-sources = <2>; }; power-limits { r0 { regdomain = "FCC"; txpower-5g { b0 { channels = <36 48>; rates-ofdm = /bits/ 8 <23 23 23 23 23 23 23 23>; rates-mcs = /bits/ 8 <1 23 23 23 23 23 23 23 23 23 23>, /bits/ 8 <3 22 22 22 22 22 22 22 22 22 22>; rates-ru = /bits/ 8 <3 22 22 22 22 22 22 22 22 22 22 22 22>, /bits/ 8 <4 20 20 20 20 20 20 20 20 20 20 20 20>; }; b1 { channels = <100 181>; rates-ofdm = /bits/ 8 <14 14 14 14 14 14 14 14>; rates-mcs = /bits/ 8 <4 14 14 14 14 14 14 14 14 14 14>; txs-delta = <12 9 6>; rates-ru = /bits/ 8 <7 14 14 14 14 14 14 14 14 14 14 14 14>; }; }; }; }; }; }; - | wifi@10300000 { compatible = "mediatek,mt7628-wmac"; reg = <0x10300000 0x100000>; interrupt-parent = <&cpuintc>; interrupts = <6>; nvmem-cells = <&eeprom>; nvmem-cell-names = "eeprom"; }; - | #include #include wifi@18000000 { compatible = "mediatek,mt7622-wmac"; reg = <0x10300000 0x100000>; interrupts = ; mediatek,infracfg = <&infracfg>; power-domains = <&scpsys 3>; }; - | wifi@18000000 { compatible = "mediatek,mt7986-wmac"; resets = <&watchdog 23>; reset-names = "consys"; reg = <0x18000000 0x1000000>, <0x10003000 0x1000>, <0x11d10000 0x1000>; interrupts = , , , ; clocks = <&topckgen 50>, <&topckgen 62>; clock-names = "mcu", "ap2conn"; memory-region = <&wmcpu_emi>; };