[PATCH v2 2/3] dt-bindings: sound: rockchip-i2s: add #sound-dai-cells property

[Johan Jonker]

'#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 at gmail.com>
Reviewed-by: Rob Herring <robh at kernel.org>
---
Changed V2:
  Add Reviewed-by
---
 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