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@xxxxxxxxxx>
---
.../bindings/net/wireless/mediatek,mt76.yaml | 107 ++++++++++++++++++
1 file changed, 107 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
index d6f835d17d66..3e2c2e43175e 100644
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
@@ -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>;
+ };
+ };
+ };
+ };
};
};
--
2.30.2
