Documentation/devicetree/bindings/sound/tas2770.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright (C) 2019-20 Texas Instruments Incorporated
   3 %YAML 1.2
   4 ---
   5 $id: "http://devicetree.org/schemas/sound/tas2770.yaml#"
   6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   7
   8 title: Texas Instruments TAS2770 Smart PA
   9
  10 maintainers:
  11   - Shi Fu <shifu0704@thundersoft.com>
  12
  13 description: |
  14   The TAS2770 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 properties:
  20   compatible:
  21     enum:
  22       - ti,tas2770
  23
  24   reg:
  25     maxItems: 1
  26     description: |
  27        I2C address of the device can be between 0x41 to 0x48.
  28
  29   reset-gpio:
  30     description: GPIO used to reset the device.
  31
  32   shutdown-gpios:
  33     description: GPIO used to control the state of the device.
  34
  35   interrupts:
  36     maxItems: 1
  37
  38   ti,imon-slot-no:
  39     $ref: /schemas/types.yaml#/definitions/uint32
  40     description: TDM TX current sense time slot.
  41
  42   ti,vmon-slot-no:
  43     $ref: /schemas/types.yaml#/definitions/uint32
  44     description: TDM TX voltage sense time slot.
  45
  46   ti,asi-format:
  47     deprecated: true
  48     $ref: /schemas/types.yaml#/definitions/uint32
  49     description: Sets TDM RX capture edge.
  50     enum:
  51       - 0 # Rising edge
  52       - 1 # Falling edge
  53
  54   '#sound-dai-cells':
  55     const: 1
  56
  57 required:
  58   - compatible
  59   - reg
  60
  61 additionalProperties: false
  62
  63 examples:
  64   - |
  65    #include <dt-bindings/gpio/gpio.h>
  66    i2c0 {
  67      #address-cells = <1>;
  68      #size-cells = <0>;
  69      codec: codec@41 {
  70        compatible = "ti,tas2770";
  71        reg = <0x41>;
  72        #sound-dai-cells = <1>;
  73        interrupt-parent = <&gpio1>;
  74        interrupts = <14>;
  75        reset-gpio = <&gpio1 15 0>;
  76        shutdown-gpios = <&gpio1 14 0>;
  77        ti,imon-slot-no = <0>;
  78        ti,vmon-slot-no = <2>;
  79      };
  80    };
  81