[PATCH v6 1/5] dt-bindings: display: add #sound-dai-cells property to rockchip rk3066 hdmi

Johan Jonker
2020-12-06T13:35:04Z

'#sound-dai-cells' is required to properly interpret
the list of DAI specified in the 'sound-dai' property.
Add it to rockchip,rk3066-hdmi.yaml to document that the
rk3066 HDMI TX also can be used to transmit some audio.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---
.../devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
index 4110d003c..585a8d3b9 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
@@ -42,6 +42,9 @@ properties:
description:
This soc uses GRF regs to switch the HDMI TX input between vop0 and vop1.

+ "#sound-dai-cells":
+ const: 0
+
ports:
type: object

@@ -101,6 +104,7 @@ examples:
pinctrl-names = "default";
power-domains = <&power RK3066_PD_VIO>;
rockchip,grf = <&grf>;
+ #sound-dai-cells = <0>;

ports {
#address-cells = <1>;
--
2.11.0