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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/adi,adau1977.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
+
+maintainers:
+  - Lars-Peter Clausen <lars@metafoo.de>
+  - Bogdan Togorean <bogdan.togorean@analog.com>
+
+description: |
+  Analog Devices ADAU1977 and similar quad ADC with Diagnostics
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,adau1977
+      - adi,adau1978
+      - adi,adau1979
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+  reset-gpios:
+    maxItems: 1
+
+  AVDD-supply:
+    description: Analog power support for the device.
+
+  DVDD-supply:
+    description: Supply voltage for digital core.
+
+  adi,micbias:
+    description: |
+      Configures the voltage setting for the MICBIAS pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
+    default: 7
+
+required:
+  - reg
+  - compatible
+  - AVDD-supply
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        adau1977_spi: adau1977@0 {
+            compatible = "adi,adau1977";
+            reg = <0>;
+            spi-max-frequency = <600000>;
+
+            AVDD-supply = <&regulator>;
+            DVDD-supply = <&regulator_digital>;
+
+            reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+
+            adi,micbias = <3>;
+        };
+    };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        adau1977_i2c: adau1977@11 {
+            compatible = "adi,adau1977";
+            reg = <0x11>;
+
+            AVDD-supply = <&regulator>;
+            DVDD-supply = <&regulator_digital>;
+
+            reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+        };
+    };