# 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. 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': const: 1 required: - compatible - reg additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> i2c0 { #address-cells = <1>; #size-cells = <0>; codec: codec@41 { compatible = "ti,tas2770"; reg = <0x41>; #sound-dai-cells = <1>; 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>; }; };