From: Rafał Miłecki Date: Wed, 4 Jan 2017 17:58:29 +0000 (+0100) Subject: dt-bindings: document common IEEE 802.11 frequency limit property X-Git-Tag: v4.11-rc1~124^2~420^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b330b25eaabda00d74e47566d9200907da381896;p=platform%2Fkernel%2Flinux-exynos.git dt-bindings: document common IEEE 802.11 frequency limit property This new file should be used for properties that apply to all wireless devices. Signed-off-by: Rafał Miłecki Acked-by: Rob Herring Signed-off-by: Johannes Berg --- diff --git a/Documentation/devicetree/bindings/net/wireless/ieee80211.txt b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt new file mode 100644 index 0000000..f6442b1 --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt @@ -0,0 +1,24 @@ +Common IEEE 802.11 properties + +This provides documentation of common properties that are valid for all wireless +devices. + +Optional properties: + - ieee80211-freq-limit : list of supported frequency ranges in KHz. This can be + used for devices that in a given config support less channels than + normally. It may happen chipset supports a wide wireless band but it is + limited to some part of it due to used antennas or power amplifier. + An example case for this can be tri-band wireless router with two + identical chipsets used for two different 5 GHz subbands. Using them + incorrectly could not work or decrease performance noticeably. + +Example: + +pcie@0,0 { + reg = <0x0000 0 0 0 0>; + wifi@0,0 { + reg = <0x0000 0 0 0 0>; + ieee80211-freq-limit = <2402000 2482000>, + <5170000 5250000>; + }; +};