drivers: clk: st: Add clock propagation for audio clocks

This patch allows fine tuning of the quads FS for audio clocks
accuracy.

Signed-off-by: Olivier Bideau <olivier.bideau@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/clock/st/st,flexgen.txt b/Documentation/devicetree/bindings/clock/st/st,flexgen.txt
index b7ee5c7e0f75..d68f6a5f3f32 100644
--- a/Documentation/devicetree/bindings/clock/st/st,flexgen.txt
+++ b/Documentation/devicetree/bindings/clock/st/st,flexgen.txt
@@ -60,6 +60,8 @@ This binding uses the common clock binding[2].
 Required properties:
 - compatible : shall be:
   "st,flexgen"
+  "st,flexgen-audio", "st,flexgen" (enable clock propagation on parent for
+  audio use case)
 
 - #clock-cells : from common clock binding; shall be set to 1 (multiple clock
   outputs).