linux-kernel - [PATCH v1 2/2] dt-bindings: sound: rockchip-i2s: add #sound-dai-cells property

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Message-Id: <20200311174322.23813-2-jbx6244@gmail.com>
Date:   Wed, 11 Mar 2020 18:43:22 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     lgirdwood@...il.com
Cc:     broonie@...nel.org, heiko@...ech.de, robh+dt@...nel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] dt-bindings: sound: rockchip-i2s: add #sound-dai-cells property

'#sound-dai-cells' is required to properly interpret
the list of DAI specified in the 'sound-dai' property,
so add them to 'rockchip-i2s.yaml'

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 Documentation/devicetree/bindings/sound/rockchip-i2s.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
index eff06b4b5..7cd0e278e 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -77,6 +77,9 @@ properties:
       Required property for controllers which support multi channel
       playback/capture.
 
+  "#sound-dai-cells":
+    const: 0
+
 required:
   - compatible
   - reg
@@ -85,6 +88,7 @@ required:
   - clock-names
   - dmas
   - dma-names
+  - "#sound-dai-cells"
 
 additionalProperties: false
 
@@ -103,4 +107,5 @@ examples:
       dma-names = "tx", "rx";
       rockchip,capture-channels = <2>;
       rockchip,playback-channels = <8>;
+      #sound-dai-cells = <0>;
     };
-- 
2.11.0