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# 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 Generic Binding
maintainers:
- Felix Fietkau <nbd@nbd.name>
- Lorenzo Bianconi <lorenzo@kernel.org>
- Ryder Lee <ryder.lee@mediatek.com>
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 SoC.
allOf:
- $ref: ieee80211.yaml#
properties:
compatible:
enum:
- mediatek,mt76
- mediatek,mt7628-wmac
- mediatek,mt7622-wmac
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
maxItems: 1
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
mediatek,mtd-eeprom:
$ref: /schemas/types.yaml#/definitions/phandle-array
description:
Phandle to a MTD partition + offset containing EEPROM data
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
led:
type: object
$ref: /schemas/leds/common.yaml#
additionalProperties: false
properties:
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
additionalProperties: 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>,
<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>,
<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>;
mediatek,mtd-eeprom = <&factory 0x0>;
};
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
wifi@18000000 {
compatible = "mediatek,mt7622-wmac";
reg = <0x10300000 0x100000>;
interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_LOW>;
mediatek,infracfg = <&infracfg>;
power-domains = <&scpsys 3>;
};
|
