xref: /linux/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml (revision d9e909e219a843c6bf49f9affe536660f830d6fc)

# 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.

allOf:
  - $ref: dai-common.yaml#

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"

unevaluatedProperties: 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)>;
        };
    };