[PATCH v1 1/3] dt-bindings: display: add #sound-dai-cells property to rockchip dw hdmi

[Johan Jonker]

The Rockchip DWC HDMI TX Encoder can take one I2S input and transmit it
over the HDMI output. Add #sound-dai-cells (= 0) to the binding for it.

Signed-off-by: Johan Jonker <jbx6244 at gmail.com>
---
 .../bindings/display/rockchip/rockchip,dw-hdmi.yaml          | 5 +++++
 1 file changed, 5 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..2aac62219ff6 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -15,6 +15,7 @@ description: |

 allOf:
   - $ref: ../bridge/synopsys,dw-hdmi.yaml#
+  - $ref: /schemas/sound/dai-common.yaml#

 properties:
   compatible:
@@ -124,6 +125,9 @@ properties:
     description:
       phandle to the GRF to mux vopl/vopb.

+  "#sound-dai-cells":
+    const: 0
+
 required:
   - compatible
   - reg
@@ -153,6 +157,7 @@ examples:
         ddc-i2c-bus = <&i2c5>;
         power-domains = <&power RK3288_PD_VIO>;
         rockchip,grf = <&grf>;
+        #sound-dai-cells = <0>;

         ports {
             #address-cells = <1>;
--
2.39.2