[PATCH 2/2] ASoC: dt-bindings: ak4619: Add initial DT binding

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This patch add ak4619 DT binding

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 .../devicetree/bindings/sound/ak4619.yaml     | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/ak4619.yaml

diff --git a/Documentation/devicetree/bindings/sound/ak4619.yaml b/Documentation/devicetree/bindings/sound/ak4619.yaml
new file mode 100644
index 0000000000000..b6afc008f745e
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ak4619.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/ak4619.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AK4619 I2C transmitter
+
+maintainers:
+  - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
+  - Khanh Le <khanh.le.xr@xxxxxxxxxxx>
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: asahi-kasei,ak4619
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+  ports:
+    $ref: audio-graph-port.yaml#/definitions/ports
+
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        ak4619: codec@10 {
+            compatible = "asahi-kasei,ak4619";
+            reg = <0x10>;
+        };
+    };
-- 
2.43.0





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