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authorUlf Hansson <ulf.hansson@linaro.org>2017-06-07 11:08:20 +0200
committerMarcel Holtmann <marcel@holtmann.org>2017-06-09 07:35:32 +0200
commit3c8e42a7935f720c403612abf896d962a7aa1495 (patch)
tree2ded6a9271c28b1eb1789949f11434eae3f48c4c /Documentation
parentc127a871357b8d59cda9c8b96cb65c2e24a72c46 (diff)
downloadlinux-3c8e42a7935f720c403612abf896d962a7aa1495.tar.bz2
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: ea452678734e ("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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/ti,wilink-st.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/ti,wilink-st.txt b/Documentation/devicetree/bindings/net/ti,wilink-st.txt
index b1a421e2fde3..1649c1f66b07 100644
--- a/Documentation/devicetree/bindings/net/ti,wilink-st.txt
+++ b/Documentation/devicetree/bindings/net/ti,wilink-st.txt
@@ -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";
};
};