[PATCH V3 1/2] dt-bindings: document common IEEE 802.11 frequency limit property

["Rafał Miłecki" <zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: Rafał Miłecki <rafal-g1n6cQUeyibVItvQsEIGlw@public.gmane.org>

This new file should be used for properties that apply to all wireless
devices.

Signed-off-by: Rafał Miłecki <rafal-g1n6cQUeyibVItvQsEIGlw@public.gmane.org>
---
V2: Switch to a single ieee80211-freq-limit property that allows specifying
    *multiple* ranges. This resolves problem with more complex rules as pointed
    by Felx.
    Make description implementation agnostic as pointed by Arend.
    Rename node to wifi as suggested by Martin.
V3: Use more real-life frequencies in the example.
---
 .../devicetree/bindings/net/wireless/ieee80211.txt     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/ieee80211.txt

diff --git a/Documentation/devicetree/bindings/net/wireless/ieee80211.txt b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt
new file mode 100644
index 0000000..0cd1219
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt
@@ -0,0 +1,18 @@
+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
+
+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>;
+	};
+};
-- 
2.10.1

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