Documentation / devicetree / bindings / sound / tas27xx.yaml


Based on kernel version 6.9. Page generated on 2024-05-14 10:02 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2020-2022 Texas Instruments Incorporated
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/tas27xx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Texas Instruments TAS2764/TAS2780 Smart PA

maintainers:
  - Shenghao Ding <shenghao-ding@ti.com>

description: |
  The TAS2764/TAS2780 is a mono, digital input Class-D audio amplifier
  optimized for efficiently driving high peak power into small
  loudspeakers. Integrated speaker voltage and current sense provides
  for real time monitoring of loudspeaker behavior.

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

properties:
  compatible:
    enum:
      - ti,tas2764
      - ti,tas2780

  reg:
    maxItems: 1
    description: |
       I2C address of the device can be between 0x38 to 0x45.

  reset-gpios:
    maxItems: 1
    description: GPIO used to reset the device.

  shutdown-gpios:
    maxItems: 1
    description: GPIO used to control the state of the device.

  interrupts:
    maxItems: 1

  ti,imon-slot-no:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: TDM TX current sense time slot.

  ti,vmon-slot-no:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: TDM TX voltage sense time slot.
 
  '#sound-dai-cells':
    # The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
    # compatibility but is deprecated.
    enum: [0, 1]

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
   #include <dt-bindings/gpio/gpio.h>
   i2c {
     #address-cells = <1>;
     #size-cells = <0>;
     codec: codec@38 {
       compatible = "ti,tas2764";
       reg = <0x38>;
       #sound-dai-cells = <0>;
       interrupt-parent = <&gpio1>;
       interrupts = <14>;
       reset-gpios = <&gpio1 15 0>;
       shutdown-gpios = <&gpio1 15 0>;
       ti,imon-slot-no = <0>;
       ti,vmon-slot-no = <2>;
     };
   };

...