[PATCH 2/2] ASoC: sma1307: Add bindings for Iron Device SMA1307 amplifier

[Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx>]

Signed-off-by: Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx>
---
 .../bindings/sound/irondevice,sma1307.yaml    | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/irondevice,sma1307.yaml

diff --git a/Documentation/devicetree/bindings/sound/irondevice,sma1307.yaml b/Documentation/devicetree/bindings/sound/irondevice,sma1307.yaml
new file mode 100644
index 000000000000..a2bcbdc3444e
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/irondevice,sma1307.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/irondevice,sma1307.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Iron Device SMA1307 Audio Amplifier
+
+maintainers:
+  - Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx>
+
+description:
+  SMA1307 boosted digital speaker amplifier
+  with feedback-loop.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - irondevice,sma1307a-w
+      - irondevice,sma1307a-f
+      - irondevice,sma1307aq-f
+    description:
+      It is divided according to the package.
+      The WLCSP packages are denoted with 'w', and the QFN packages are denoted
+      with 'f'. If a 'q' is added, it indicated the product is AEC-Q100
+      qualified for automotive applications.
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+    description:
+      only in sma1307
+
+  '#sound-dai-cells':
+    const: 1
+
+  use-binary:
+    description:
+      whether to use binary files for device settings.
+
+required:
+  - compatible
+  - reg
+  - '#sound-dai-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        amplifier@1e {
+            compatible = "irondevice,sma1307a-w";
+            reg = <0x1e>;
+            #sound-dai-cells = <1>;
+            interrupt-parent = <&gpio>;
+            interrupts = <4 0>;
+        };
+    };
-- 
2.39.2