dt-bindings: tas2764: Add the TAS2764 binding doc

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

# Copyright (C) 2020 Texas Instruments Incorporated

%YAML 1.2

---

$id: "http://devicetree.org/schemas/sound/tas2764.yaml#"

$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: Texas Instruments TAS2764 Smart PA

maintainers:

  - Dan Murphy <dmurphy@ti.com>

description: |

  The TAS2764 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.

properties:

  compatible:

    enum:

      - ti,tas2764

  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':

    const: 1

required:

  - compatible

  - reg

additionalProperties: false

examples:

  - |

   #include <dt-bindings/gpio/gpio.h>

   i2c0 {

     #address-cells = <1>;

     #size-cells = <0>;

     codec: codec@38 {

       compatible = "ti,tas2764";

       reg = <0x38>;

       #sound-dai-cells = <1>;

       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>;

     };

   };

...