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dt-bindings:net:wireless:mediatek,mt76: introduce power-limits node

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Introduce power-limits node in mt76 binding in order to specify
per-rate power limit values for each 802.11n/802.11ac rate

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2021-04-13 11:08:35 +02:00 committed by Felix Fietkau
parent 6929d1d747
commit 2de6ccebe0
1 changed files with 107 additions and 0 deletions
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107
Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
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@ -72,6 +72,90 @@ 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
@ -93,6 +177,29 @@ examples:
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>;
};
};
};
};
};
};