[PATCH] dt-bindings: display: rockchip: add missing #sound-dai-cells to dw-hdmi

[Heiko Stuebner]

The #sound-dai-cells DT property is required to describe link between
the HDMI IP block and the SoC's audio subsystem.

Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
 .../devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
index af638b6c0d21..3768df80ca7a 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -124,6 +124,9 @@ properties:
     description:
       phandle to the GRF to mux vopl/vopb.
 
+  "#sound-dai-cells":
+    const: 0
+
 required:
   - compatible
   - reg
-- 
2.39.2