linux-kernel - [PATCH v1 2/3] dt-bindings: display: add #sound-dai-cells property to rockchip rk3066 hdmi

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Date: Sat, 13 Apr 2024 17:39:09 +0200
From: Johan Jonker <jbx6244@...il.com>
To: hjc@...k-chips.com, heiko@...ech.de, andy.yan@...k-chips.com
Cc: airlied@...il.com, daniel@...ll.ch, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, markyao0591@...il.com,
 dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/3] dt-bindings: display: add #sound-dai-cells property to
 rockchip rk3066 hdmi

The Rockchip rk3066 HDMI controller 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@...il.com>
---
 .../bindings/display/rockchip/rockchip,rk3066-hdmi.yaml    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
index 1a68a940d165..6d4b78a36576 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
@@ -10,6 +10,9 @@ maintainers:
   - Sandy Huang <hjc@...k-chips.com>
   - Heiko Stuebner <heiko@...ech.de>

+allOf:
+  - $ref: /schemas/sound/dai-common.yaml#
+
 properties:
   compatible:
     const: rockchip,rk3066-hdmi
@@ -34,6 +37,9 @@ properties:
     description:
       This soc uses GRF regs to switch the HDMI TX input between vop0 and vop1.

+  "#sound-dai-cells":
+    const: 0
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports

@@ -83,6 +89,7 @@ examples:
       pinctrl-names = "default";
       power-domains = <&power RK3066_PD_VIO>;
       rockchip,grf = <&grf>;
+      #sound-dai-cells = <0>;

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