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 maxItems: 1 31 description: GPIO used to reset the device. 32 33 shutdown-gpios: 34 maxItems: 1 35 description: GPIO used to control the state of the device. 36 37 interrupts: 38 maxItems: 1 39 40 ti,imon-slot-no: 41 $ref: /schemas/types.yaml#/definitions/uint32 42 description: TDM TX current sense time slot. 43 44 ti,vmon-slot-no: 45 $ref: /schemas/types.yaml#/definitions/uint32 46 description: TDM TX voltage sense time slot. 47 48 ti,asi-format: 49 deprecated: true 50 $ref: /schemas/types.yaml#/definitions/uint32 51 description: Sets TDM RX capture edge. 52 enum: 53 - 0 # Rising edge 54 - 1 # Falling edge 55 56 '#sound-dai-cells': 57 const: 1 58 59required: 60 - compatible 61 - reg 62 63additionalProperties: false 64 65examples: 66 - | 67 #include <dt-bindings/gpio/gpio.h> 68 i2c0 { 69 #address-cells = <1>; 70 #size-cells = <0>; 71 codec: codec@41 { 72 compatible = "ti,tas2770"; 73 reg = <0x41>; 74 #sound-dai-cells = <1>; 75 interrupt-parent = <&gpio1>; 76 interrupts = <14>; 77 reset-gpio = <&gpio1 15 0>; 78 shutdown-gpios = <&gpio1 14 0>; 79 ti,imon-slot-no = <0>; 80 ti,vmon-slot-no = <2>; 81 }; 82 }; 83