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dt-bindings: net: Add binding for the external clock for TI WiLink 

The external clock is provided to the TI WiLink combo chip and it's needed
for any of the transport interfaces. However let's make it optional to
avoid breaking existing platforms that yet doesn't specify the clock.

Fixes: ea45267873 ("arm64: dts: hikey: Fix WiFi support")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
hifive-unleashed-5.1
Ulf Hansson 2017-06-07 11:08:20 +02:00 committed by Marcel Holtmann
parent c127a87135
commit 3c8e42a793
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/net/ti,wilink-st.txt
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@ -28,6 +28,10 @@ Optional properties:
- enable-gpios : GPIO signal controlling enabling of BT. Active high.
- vio-supply : Vio input supply (1.8V)
- vbat-supply : Vbat input supply (2.9-4.8V)
- clocks : Must contain an entry, for each entry in clock-names.
See ../clocks/clock-bindings.txt for details.
- clock-names : Must include the following entry:
"ext_clock" (External clock provided to the TI combo chip).
Example:
@ -37,5 +41,7 @@ Example:
bluetooth {
compatible = "ti,wl1835-st";
enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
clocks = <&clk32k_wl18xx>;
clock-names = "ext_clock";
};
};