The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/wireless/ieee80211.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
    3 
    4 %YAML 1.2
    5 ---
    6 $id: http://devicetree.org/schemas/net/wireless/ieee80211.yaml#
    7 $schema: http://devicetree.org/meta-schemas/core.yaml#
    8 
    9 title: Common IEEE 802.11 Binding
   10 
   11 maintainers:
   12   - Lorenzo Bianconi <lorenzo@kernel.org>
   13 
   14 description: |
   15   This provides documentation of common properties that are valid for
   16   all wireless devices
   17 
   18 properties:
   19   ieee80211-freq-limit:
   20     $ref: /schemas/types.yaml#/definitions/uint32-matrix
   21     items:
   22       minItems: 2
   23       maxItems: 2
   24     description:
   25       List of supported frequency ranges in KHz. This can be used for devices
   26       that in a given config support less channels than normally. It may happen
   27       chipset supports a wide wireless band but it is limited to some part of
   28       it due to used antennas or power amplifier. An example case for this
   29       can be tri-band wireless router with two identical chipsets used for two
   30       different 5 GHz subbands. Using them incorrectly could not work or
   31       decrease performance noticeably
   32 
   33 additionalProperties: true
   34 
   35 examples:
   36   - |
   37     pcie0 {
   38       #address-cells = <3>;
   39       #size-cells = <2>;
   40       wifi@0,0 {
   41         reg = <0x0000 0 0 0 0>;
   42         ieee80211-freq-limit = <2402000 2482000>,
   43                                <5170000 5250000>;
   44       };
   45     };

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