Documentation / devicetree / bindings / sound / richtek,rtq9128.yaml


Based on kernel version 6.10. Page generated on 2024-07-16 09:00 EST.

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/richtek,rtq9128.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Richtek RTQ9128 Automative Audio Power Amplifier

maintainers:
  - ChiYuan Huang <cy_huang@richtek.com>

description:
  The RTQ9128 is a ultra-low output noise, high-efficiency, four-channel
  class-D audio power amplifier and delivering 4x75W into 4OHm at 10%
  THD+N from a 25V supply in automotive applications.

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

properties:
  compatible:
    enum:
      - richtek,rtq9128

  reg:
    maxItems: 1

  enable-gpios:
    maxItems: 1

  richtek,tdm-input-data2-select:
    type: boolean
    description:
      By default, if TDM mode is used, TDM data input will select 'DATA1' pin
      as the data source. This option will configure TDM data input source from
      'DATA1' to 'DATA2' pin.
 
  '#sound-dai-cells':
    const: 0

required:
  - compatible
  - reg
  - '#sound-dai-cells'

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;
 
      speaker@1a {
        compatible = "richtek,rtq9128";
        reg = <0x1a>;
        enable-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
        #sound-dai-cells = <0>;
      };
    };