new file mode 100644
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+# 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@irondevice.com>
+
+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:
+ type: boolean
+ 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>;
+ };
+ };
Signed-off-by: Kiseok Jo <kiseok.jo@irondevice.com> --- .../bindings/sound/irondevice,sma1307.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/irondevice,sma1307.yaml