[PATCH 1/3] ASoC: dt-bindings: rockchip,rk3308-codec: add port property

[Dmitry Yashin <dmt.yashin@xxxxxxxxx>]

Fix DTB warnings when rk3308-codec used with audio-graph-card by
documenting port property:

codec@ff560000: 'port' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Dmitry Yashin <dmt.yashin@xxxxxxxxx>
---
 .../devicetree/bindings/sound/rockchip,rk3308-codec.yaml      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml
index ecf3d7d968c8..2cf229a076f0 100644
--- a/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml
@@ -48,6 +48,10 @@ properties:
       - const: mclk_rx
       - const: hclk
 
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
   resets:
     maxItems: 1
 
-- 
2.39.5