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 8title: Texas Instruments TAS2770 Smart PA 9 10maintainers: 11 - Shi Fu <shifu0704@thundersoft.com> 12 13description: | 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 19properties: 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 57required: 58 - compatible 59 - reg 60 61additionalProperties: false 62 63examples: 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 82