[PATCH V4 5/6] ASoC: dt-bindings: Add schema for "awinic,aw883xx"

[wangweidong.a at awinic.com]

From: Weidong Wang <wangweidong.a at awinic.com>

Add a DT schema for describing Awinic AW883xx audio amplifiers. They are
controlled using I2C.

Signed-off-by: Weidong Wang <wangweidong.a at awinic.com>
---
 .../bindings/sound/awinic,aw883xx.yaml        | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml

diff --git a/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml
new file mode 100644
index 000000000000..04cdcf25a6d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/awinic,aw883xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Awinic AW883xx Smart Audio Amplifier
+
+maintainers:
+  - Stephan Gerhold <stephan at gerhold.net>
+
+description:
+  The Awinic AW883XX is an I2S/TDM input, high efficiency
+  digital Smart K audio amplifier with an integrated 10.25V
+  smart boost convert.
+
+allOf:
+  - $ref: name-prefix.yaml#
+
+properties:
+  compatible:
+    const: awinic,aw883xx_smartpa
+
+  reg:
+    description:
+      The I2C address of the device for I2C
+    maxItems: 1
+
+  reset-gpios:
+    description:
+      Reset pin of aw883xx chip
+    maxItems: 1
+
+  sound-channel:
+    description:
+      Number of sound channels of the aw883xx chip
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3]
+    default: 0
+
+  sound-name-prefix: true
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - sound-channel
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        audio-codec at 34 {
+            compatible = "awinic,aw883xx_smartpa";
+            reg = <0x34>;
+            reset-gpios = <&gpio 92 GPIO_ACTIVE_LOW>;
+            sound-channel = <0>;
+        };
+    };
-- 
2.38.1