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diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip rk3328 internal codec
+
+maintainers:
+  - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+  compatible:
+    const: rockchip,rk3328-codec
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: clock for audio codec
+      - description: clock for I2S master clock
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: mclk
+
+  rockchip,grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      The phandle of the syscon node for the GRF register.
+
+  spk-depop-time-ms:
+    default: 200
+    description:
+      Speaker depop time in msec.
+
+  mute-gpios:
+    maxItems: 1
+    description:
+      GPIO specifier for external line driver control (typically the
+      dedicated GPIO_MUTE pin)
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - rockchip,grf
+  - "#sound-dai-cells"
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/clock/rk3328-cru.h>
+    codec: codec@ff410000 {
+      compatible = "rockchip,rk3328-codec";
+      reg = <0xff410000 0x1000>;
+      clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>;
+      clock-names = "pclk", "mclk";
+      rockchip,grf = <&grf>;
+      mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
+      spk-depop-time-ms = <100>;
+      #sound-dai-cells = <0>;
+    };