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-rw-r--r--Documentation/devicetree/bindings/sound/simple-card.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
index c3cba600bf11..73bf314f7240 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.txt
+++ b/Documentation/devicetree/bindings/sound/simple-card.txt
@@ -75,6 +75,11 @@ Optional CPU/CODEC subnodes properties:
it can be specified via "clocks" if system has
clock node (= common clock), or "system-clock-frequency"
(if system doens't support common clock)
+ If a clock is specified, it is
+ enabled with clk_prepare_enable()
+ in dai startup() and disabled with
+ clk_disable_unprepare() in dai
+ shutdown().
Example 1 - single DAI link: