Bindings/sound/tas2562.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright (C) 2019 Texas Instruments Incorporated
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/sound/tas2562.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Texas Instruments TAS2562 Smart PA
   9
  10 maintainers:
  11   - Andrew Davis <afd@ti.com>
  12
  13 description: |
  14   The TAS2562 is a mono, digital input Class-D audio amplifier optimized for
  15   efficiently driving high peak power into small loudspeakers.
  16   Integrated speaker voltage and current sense provides for
  17   real time monitoring of loudspeaker behavior.
  18
  19   Specifications about the audio amplifier can be found at:
  20     https://www.ti.com/lit/gpn/tas2562
  21     https://www.ti.com/lit/gpn/tas2563
  22     https://www.ti.com/lit/gpn/tas2564
  23     https://www.ti.com/lit/gpn/tas2110
  24
  25 allOf:
  26   - $ref: dai-common.yaml#
  27
  28 properties:
  29   compatible:
  30     enum:
  31       - ti,tas2562
  32       - ti,tas2563
  33       - ti,tas2564
  34       - ti,tas2110
  35
  36   reg:
  37     maxItems: 1
  38     description: |
  39        I2C address of the device can be one of these 0x4c, 0x4d, 0x4e or 0x4f
  40
  41   shut-down-gpios:
  42     maxItems: 1
  43     description: GPIO used to control the state of the device.
  44     deprecated: true
  45
  46   shutdown-gpios:
  47     maxItems: 1
  48     description: GPIO used to control the state of the device.
  49
  50   interrupts:
  51     maxItems: 1
  52
  53   ti,imon-slot-no:
  54     $ref: /schemas/types.yaml#/definitions/uint32
  55     description: TDM TX current sense time slot.
  56
  57   '#sound-dai-cells':
  58     # The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward
  59     # compatibility but is deprecated.
  60     enum: [0, 1]
  61
  62 required:
  63   - compatible
  64   - reg
  65
  66 unevaluatedProperties: false
  67
  68 examples:
  69   - |
  70    #include <dt-bindings/gpio/gpio.h>
  71    i2c {
  72      #address-cells = <1>;
  73      #size-cells = <0>;
  74      codec: codec@4c {
  75        compatible = "ti,tas2562";
  76        reg = <0x4c>;
  77        #sound-dai-cells = <0>;
  78        interrupt-parent = <&gpio1>;
  79        interrupts = <14>;
  80        shutdown-gpios = <&gpio1 15 0>;
  81        ti,imon-slot-no = <0>;
  82      };
  83    };