[PATCH v3 2/2] dt-bindings: net: wireless: mt76: clarify backoff limit format

Ryder Lee Ryder.Lee at mediatek.com
Tue Feb 10 10:12:48 PST 2026


On Tue, 2026-02-10 at 10:08 -0800, Ryder Lee wrote:
> Clarify the format of path backoff limit properties in mt76 binding.
> Add explicit documentation for connac2 (mt7915, mt7981, mt7986) and
> connac3 (mt7990, mt7992, mt7996...) devices, including the difference
> in beamforming and non-beamforming entries.
> 
> Also reformat the description to make is more precise.
> 
> Signed-off-by: Allen Ye <allen.ye at mediatek.com>
> Co-developed-by: Allen Ye <allen.ye at mediatek.com>
> Signed-off-by: Ryder Lee <ryder.lee at mediatek.com>
> ---
>  .../bindings/net/wireless/mediatek,mt76.yaml  | 20
> +++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git
> a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
> b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
> index ae6b97cdc..4156e1c97 100644
> ---
> a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
> +++
> b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
> @@ -252,6 +252,16 @@ properties:
>                        followed by 10 power limit values. The order
> of the
>                        channel resource unit settings is RU26, RU52,
> RU106,
>                        RU242/SU20, RU484/SU40, RU996/SU80 and
> RU2x996/SU160.
> +                      - For connac2
> +                        - Beamforming entries for BW20~BW160 and
> OFDM do not
> +                          include 1T1ss.
> +                        - When 1T1ss is not used, it should be
> filled with 0.
> +                      - For connac3
> +                        - Beamforming entries for BW20~BW160 and RU
> include
> +                          1T1ss, but OFDM does not include 1T1ss.
> +                        - 1T1ss is taken into account, so no need to
> fill with 0.
> +                      Non-beamforming and RU entries for both
> connac2 and
> +                      connac3 include 1T1ss.
>                      minItems: 1
>                      maxItems: 7
>                      items:
> @@ -270,6 +280,16 @@ properties:
>                        followed by 10 power limit values. The order
> of the
>                        channel resource unit settings is RU26, RU52,
> RU106,
>                        RU242/SU20, RU484/SU40, RU996/SU80 and
> RU2x996/SU160.
> +                      - For connac2
> +                        - Beamforming entries for BW20~BW160 and
> OFDM do not
> +                          include 1T1ss.
> +                        - When 1T1ss is not used, it should be
> filled with 0.
> +                      - For connac3
> +                        - Beamforming entries for BW20~BW160 and RU
> include
> +                          1T1ss, but OFDM does not include 1T1ss.
> +                        - 1T1ss is taken into account, so no need to
> fill with 0.
> +                      Non-beamforming and RU entries for both
> connac2 and
> +                      connac3 include 1T1ss.
>                      minItems: 1
>                      maxItems: 7
>                      items:

Oops. Please ignore this patch, I mistakenly added the wrong entries.

Ryder


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