[PATCH v2 2/3] dt-bindings: display: sii902x: Change audio mclk binding

[Olivier Moysan]

As stated in SiL9022/24 datasheet, master clock is not required for I2S.
Make mclk property optional in DT bindings.

Fixes: 3f18021f43a3 ("dt-bindings: display: sii902x: Add HDMI audio bindings")

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx>
Reviewed-by: Jyri Sarha <jsarha@xxxxxx>
Acked-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/display/bridge/sii902x.txt | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/sii902x.txt b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
index 2df44b7d3821..6e14e087c0d0 100644
--- a/Documentation/devicetree/bindings/display/bridge/sii902x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
@@ -26,9 +26,8 @@ Optional properties:
 	- clocks: phandle and clock specifier for each clock listed in
            the clock-names property
 	- clock-names: "mclk"
-	   Describes SII902x MCLK input. MCLK is used to produce
-	   HDMI audio CTS values. This property is required if
-	   "#sound-dai-cells"-property is present. This property follows
+	   Describes SII902x MCLK input. MCLK can be used to produce
+	   HDMI audio CTS values. This property follows
 	   Documentation/devicetree/bindings/clock/clock-bindings.txt
 	   consumer binding.
 
-- 
2.7.4