1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2018-2019 The Linux Foundation 2 # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
>> 3
3 %YAML 1.2 4 %YAML 1.2
4 --- 5 ---
5 $id: http://devicetree.org/schemas/net/wireles 6 $id: http://devicetree.org/schemas/net/wireless/ieee80211.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 7 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 8
8 title: Common IEEE 802.11 !! 9 title: Common IEEE 802.11 Binding
9 10
10 maintainers: 11 maintainers:
11 - Lorenzo Bianconi <lorenzo@kernel.org> 12 - Lorenzo Bianconi <lorenzo@kernel.org>
12 13
13 description: | 14 description: |
14 This provides documentation of common proper 15 This provides documentation of common properties that are valid for
15 all wireless devices 16 all wireless devices
16 17
17 properties: 18 properties:
18 ieee80211-freq-limit: 19 ieee80211-freq-limit:
19 $ref: /schemas/types.yaml#/definitions/uin 20 $ref: /schemas/types.yaml#/definitions/uint32-matrix
20 items: 21 items:
21 minItems: 2 22 minItems: 2
22 maxItems: 2 23 maxItems: 2
23 description: 24 description:
24 List of supported frequency ranges in KH 25 List of supported frequency ranges in KHz. This can be used for devices
25 that in a given config support less chan 26 that in a given config support less channels than normally. It may happen
26 chipset supports a wide wireless band bu 27 chipset supports a wide wireless band but it is limited to some part of
27 it due to used antennas or power amplifi 28 it due to used antennas or power amplifier. An example case for this
28 can be tri-band wireless router with two 29 can be tri-band wireless router with two identical chipsets used for two
29 different 5 GHz subbands. Using them inc 30 different 5 GHz subbands. Using them incorrectly could not work or
30 decrease performance noticeably 31 decrease performance noticeably
31 32
32 additionalProperties: true 33 additionalProperties: true
33 34
34 examples: 35 examples:
35 - | 36 - |
36 pcie0 { 37 pcie0 {
37 #address-cells = <3>; 38 #address-cells = <3>;
38 #size-cells = <2>; 39 #size-cells = <2>;
39 wifi@0,0 { 40 wifi@0,0 {
40 reg = <0x0000 0 0 0 0>; 41 reg = <0x0000 0 0 0 0>;
41 ieee80211-freq-limit = <2402000 248200 42 ieee80211-freq-limit = <2402000 2482000>,
42 <5170000 525000 43 <5170000 5250000>;
43 }; 44 };
44 }; 45 };
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