2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/wireless/mediatek,mt76.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek mt76 wireless devices
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maintainers:
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- Felix Fietkau <nbd@nbd.name>
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- Lorenzo Bianconi <lorenzo@kernel.org>
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- Ryder Lee <ryder.lee@mediatek.com>
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description: |
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This node provides properties for configuring the MediaTek mt76xx
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wireless device. The node is expected to be specified as a child
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node of the PCI controller to which the wireless chip is connected.
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Alternatively, it can specify the wireless part of the MT7628/MT7688
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or MT7622/MT7986 SoC.
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allOf:
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- $ref: ieee80211.yaml#
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properties:
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compatible:
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enum:
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- mediatek,mt76
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- mediatek,mt7628-wmac
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- mediatek,mt7622-wmac
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- mediatek,mt7986-wmac
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reg:
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minItems: 1
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maxItems: 3
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description:
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MT7986 should contain 3 regions consys, dcm, and sku, in this order.
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interrupts:
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maxItems: 1
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power-domains:
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maxItems: 1
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memory-region:
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maxItems: 1
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resets:
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maxItems: 1
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description:
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Specify the consys reset for mt7986.
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reset-names:
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const: consys
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clocks:
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maxItems: 2
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description:
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Specify the consys clocks for mt7986.
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clock-names:
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items:
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- const: mcu
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- const: ap2conn
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mediatek,infracfg:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to the infrastructure bus fabric syscon node.
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This property is MT7622 specific
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ieee80211-freq-limit: true
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mediatek,eeprom-data:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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EEPROM data embedded as array.
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mediatek,mtd-eeprom:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to MTD partition
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- description: offset containing EEPROM data
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description:
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Phandle to a MTD partition + offset containing EEPROM data
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big-endian:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Specify if the radio eeprom partition is written in big-endian
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mediatek,eeprom-merge-otp:
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type: boolean
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description:
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Merge EEPROM data with OTP data. Can be used on boards where the flash
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calibration data is generic and specific calibration data should be
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pulled from the OTP ROM
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mediatek,disable-radar-background:
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type: boolean
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description:
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Disable/enable radar/CAC detection running on a dedicated offchannel
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chain available on some hw.
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Background radar/CAC detection allows to avoid the CAC downtime
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switching on a different channel during CAC detection on the selected
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radar channel.
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led:
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type: object
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$ref: /schemas/leds/common.yaml#
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additionalProperties: false
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properties:
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2023-10-24 12:59:35 +02:00
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led-active-low:
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description:
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LED is enabled with ground signal.
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type: boolean
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2023-08-30 17:31:07 +02:00
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led-sources:
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maxItems: 1
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power-limits:
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type: object
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additionalProperties: false
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patternProperties:
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"^r[0-9]+":
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type: object
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additionalProperties: false
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properties:
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regdomain:
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$ref: /schemas/types.yaml#/definitions/string
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description:
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Regdomain refers to a legal regulatory region. Different
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countries define different levels of allowable transmitter
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power, time that a channel can be occupied, and different
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available channels
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enum:
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- FCC
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- ETSI
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- JP
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patternProperties:
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"^txpower-[256]g$":
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type: object
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additionalProperties: false
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patternProperties:
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"^b[0-9]+$":
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type: object
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additionalProperties: false
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properties:
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channels:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 2
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maxItems: 2
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description:
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Pairs of first and last channel number of the selected
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band
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rates-cck:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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minItems: 4
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maxItems: 4
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description:
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4 half-dBm per-rate power limit values
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rates-ofdm:
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$ref: /schemas/types.yaml#/definitions/uint8-array
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minItems: 8
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maxItems: 8
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description:
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8 half-dBm per-rate power limit values
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rates-mcs:
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$ref: /schemas/types.yaml#/definitions/uint8-matrix
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description:
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Sets of per-rate power limit values for 802.11n/802.11ac
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rates for multiple channel bandwidth settings.
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Each set starts with the number of channel bandwidth
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settings for which the rate set applies, followed by
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either 8 or 10 power limit values. The order of the
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channel bandwidth settings is 20, 40, 80 and 160 MHz.
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maxItems: 4
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items:
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minItems: 9
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maxItems: 11
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rates-ru:
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$ref: /schemas/types.yaml#/definitions/uint8-matrix
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description:
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Sets of per-rate power limit values for 802.11ax rates
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for multiple channel bandwidth or resource unit settings.
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Each set starts with the number of channel bandwidth or
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resource unit settings for which the rate set applies,
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followed by 12 power limit values. The order of the
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channel resource unit settings is RU26, RU52, RU106,
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RU242/SU20, RU484/SU40, RU996/SU80 and RU2x996/SU160.
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items:
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minItems: 13
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maxItems: 13
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txs-delta:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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Half-dBm power delta for different numbers of antennas
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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pcie0 {
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#address-cells = <3>;
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#size-cells = <2>;
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wifi@0,0 {
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compatible = "mediatek,mt76";
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reg = <0x0000 0 0 0 0>;
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ieee80211-freq-limit = <5000000 6000000>;
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mediatek,mtd-eeprom = <&factory 0x8000>;
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big-endian;
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led {
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led-sources = <2>;
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};
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power-limits {
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r0 {
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regdomain = "FCC";
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txpower-5g {
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b0 {
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channels = <36 48>;
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rates-ofdm = /bits/ 8 <23 23 23 23 23 23 23 23>;
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rates-mcs = /bits/ 8 <1 23 23 23 23 23 23 23 23 23 23>,
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/bits/ 8 <3 22 22 22 22 22 22 22 22 22 22>;
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rates-ru = /bits/ 8 <3 22 22 22 22 22 22 22 22 22 22 22 22>,
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/bits/ 8 <4 20 20 20 20 20 20 20 20 20 20 20 20>;
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};
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b1 {
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channels = <100 181>;
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rates-ofdm = /bits/ 8 <14 14 14 14 14 14 14 14>;
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rates-mcs = /bits/ 8 <4 14 14 14 14 14 14 14 14 14 14>;
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txs-delta = <12 9 6>;
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rates-ru = /bits/ 8 <7 14 14 14 14 14 14 14 14 14 14 14 14>;
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};
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};
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};
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};
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};
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};
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- |
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wifi@10300000 {
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compatible = "mediatek,mt7628-wmac";
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reg = <0x10300000 0x100000>;
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interrupt-parent = <&cpuintc>;
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interrupts = <6>;
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mediatek,mtd-eeprom = <&factory 0x0>;
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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wifi@18000000 {
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compatible = "mediatek,mt7622-wmac";
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reg = <0x10300000 0x100000>;
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interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_LOW>;
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mediatek,infracfg = <&infracfg>;
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power-domains = <&scpsys 3>;
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};
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- |
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wifi@18000000 {
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compatible = "mediatek,mt7986-wmac";
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resets = <&watchdog 23>;
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reset-names = "consys";
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reg = <0x18000000 0x1000000>,
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<0x10003000 0x1000>,
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<0x11d10000 0x1000>;
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interrupts = <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&topckgen 50>,
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<&topckgen 62>;
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clock-names = "mcu", "ap2conn";
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memory-region = <&wmcpu_emi>;
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};
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