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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/realtek,rt5640.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RT5640/RT5639 audio CODEC
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+description: |
+  This device supports I2C only.
+
+  Pins on the device (for linking into audio routes) for RT5639/RT5640:
+    * DMIC1
+    * DMIC2
+    * MICBIAS1
+    * IN1P
+    * IN1N
+    * IN2P
+    * IN2N
+    * IN3P
+    * IN3N
+    * HPOL
+    * HPOR
+    * LOUTL
+    * LOUTR
+    * SPOLP
+    * SPOLN
+    * SPORP
+    * SPORN
+
+  Additional pins on the device for RT5640:
+    * MONOP
+    * MONON
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - realtek,rt5640
+      - realtek,rt5639
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+    description: The CODEC's interrupt output.
+
+  realtek,in1-differential:
+    description:
+      Indicate MIC1 input is differential, rather than single-ended.
+    type: boolean
+
+  realtek,in2-differential:
+    description:
+      Indicate MIC2 input is differential, rather than single-ended.
+    type: boolean
+
+  realtek,in3-differential:
+    description:
+      Indicate MIC3 input is differential, rather than single-ended.
+    type: boolean
+
+  realtek,lout-differential:
+    description:
+      Indicate LOUT output is differential, rather than single-ended.
+    type: boolean
+
+  realtek,dmic1-data-pin:
+    description: Specify which pin to be used as DMIC1 data pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum:
+      - 0 # dmic1 is not used
+      - 1 # using IN2P pin as dmic1 data pin
+      - 2 # using GPIO3 pin as dmic1 data pin
+
+  realtek,dmic2-data-pin:
+    description: Specify which pin to be used as DMIC2 data pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum:
+      - 0 # dmic2 is not used
+      - 1 # using IN2N pin as dmic2 data pin
+      - 2 # using GPIO4 pin as dmic2 data pin
+
+  realtek,jack-detect-source:
+    description: The Jack Detect source.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum:
+      - 0 # Jack Detect function is not used
+      - 1 # Use GPIO1 for jack-detect
+      - 2 # Use JD1_IN4P for jack-detect
+      - 3 # Use JD2_IN4N for jack-detect
+      - 4 # Use GPIO2 for jack-detect
+      - 5 # Use GPIO3 for jack-detect
+      - 6 # Use GPIO4 for jack-detect
+
+  realtek,jack-detect-not-inverted:
+    description:
+      Normal jack-detect switches give an inverted signal, set this bool
+      in the rare case you've a jack-detect switch which is not inverted.
+    type: boolean
+
+  realtek,over-current-threshold-microamp:
+    description: micbias over-current detection threshold in µA
+    enum:
+      - 600
+      - 1500
+      - 2000
+
+  realtek,over-current-scale-factor:
+    description: micbias over-current detection scale-factor
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum:
+      - 0 # Scale current by 0.5
+      - 1 # Scale current by 0.75
+      - 2 # Scale current by 1.0
+      - 3 # Scale current by 1.5
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        codec@1a {
+            compatible = "realtek,rt5640";
+            reg = <0x1a>;
+            interrupt-parent = <&gpio>;
+            interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };