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

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Date:   Tue, 2 Jul 2019 17:47:05 +0200
From:   Olivier Moysan <olivier.moysan@...com>
To:     <a.hajda@...sung.com>, <narmstrong@...libre.com>,
        <Laurent.pinchart@...asonboard.com>, <jonas@...boo.se>,
        <jernej.skrabec@...l.net>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <benjamin.gaignard@...com>, <alexandre.torgue@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <olivier.moysan@...com>, <jsarha@...com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>
Subject: [PATCH 2/3] dt-bindings: display: sii902x: Change audio mclk binding

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@...com>
---
 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