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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