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diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cirrus,cs35l45.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic CS35L45 Speaker Amplifier
+
+maintainers:
+  - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
+  - Richard Fitzgerald <rf@opensource.cirrus.com>
+
+description: |
+  CS35L45 is a Boosted Mono Class D Amplifier with DSP
+  Speaker Protection and Adaptive Battery Management.
+
+properties:
+  compatible:
+    enum:
+      - cirrus,cs35l45
+
+  reg:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdd-a-supply:
+    description: voltage regulator phandle for the VDD_A supply
+
+  vdd-batt-supply:
+    description: voltage regulator phandle for the VDD_BATT supply
+
+  spi-max-frequency:
+    maximum: 5000000
+
+  cirrus,asp-sdout-hiz-ctrl:
+    description:
+      Audio serial port SDOUT Hi-Z control. Sets the Hi-Z
+      configuration for SDOUT pin of amplifier. Logical OR of
+      CS35L45_ASP_TX_HIZ_xxx values.
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    minimum: 0
+    maximum: 3
+    default: 2
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/sound/cs35l45.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        cs35l45: cs35l45@2 {
+          #sound-dai-cells = <1>;
+          compatible = "cirrus,cs35l45";
+          reg = <2>;
+          spi-max-frequency = <5000000>;
+          vdd-a-supply = <&dummy_vreg>;
+          vdd-batt-supply = <&dummy_vreg>;
+          reset-gpios = <&gpio 110 0>;
+          cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED |
+                                        CS35L45_ASP_TX_HIZ_DISABLED)>;
+        };
+    };