[v3 1/2] ASoC: dt-bindings: max98520: add initial bindings

[George Song]

add initial bindings for max98520 audio amplifier

Signed-off-by: George Song <george.song at maximintegrated.com>
---
 .../bindings/sound/maxim,max98520.yaml        | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/maxim,max98520.yaml

diff --git a/Documentation/devicetree/bindings/sound/maxim,max98520.yaml b/Documentation/devicetree/bindings/sound/maxim,max98520.yaml
new file mode 100644
index 000000000000..b6509cb2c8e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max98520.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/maxim,max98520.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX98520 Speaker Amplifier Driver
+
+maintainers:
+  - George Song <george.song at maximintegrated.com>
+
+properties:
+  compatible:
+    const: maxim,max98520
+
+  reg:
+    maxItems: 1
+    description: I2C address of the device.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      max98520: amplifier at 38 {
+        compatible = "maxim,max98520";
+        reg = <0x38>;
+      };
+    };
+
-- 
2.25.1