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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2019-20 Texas Instruments Incorporated
%YAML 1.2
---
$id: "http://devicetree.org/schemas/sound/tas2770.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Texas Instruments TAS2770 Smart PA
maintainers:
- Shi Fu <shifu0704@thundersoft.com>
description: |
The TAS2770 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,tas2770
reg:
maxItems: 1
description: |
I2C address of the device can be between 0x41 to 0x48.
reset-gpio:
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.
ti,asi-format:
deprecated: true
$ref: /schemas/types.yaml#/definitions/uint32
description: Sets TDM RX capture edge.
enum:
- 0 # Rising edge
- 1 # Falling edge
'#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@41 {
compatible = "ti,tas2770";
reg = <0x41>;
#sound-dai-cells = <0>;
interrupt-parent = <&gpio1>;
interrupts = <14>;
reset-gpio = <&gpio1 15 0>;
shutdown-gpios = <&gpio1 14 0>;
ti,imon-slot-no = <0>;
ti,vmon-slot-no = <2>;
};
};
|
