# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause # Copyright (C) 2022 Texas Instruments Incorporated %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/ti,tlv320aic3x.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Texas Instruments TLV320AIC3x Codec description: | TLV320AIC3x are a series of low-power stereo audio codecs with stereo headphone amplifier, as well as multiple inputs and outputs programmable in single-ended or fully differential configurations. The serial control bus supports SPI or I2C protocols, while the serial audio data bus is programmable for I2S, left/right-justified, DSP, or TDM modes. The following pins can be referred in the sound node's audio routing property: CODEC output pins: LLOUT RLOUT MONO_LOUT HPLOUT HPROUT HPLCOM HPRCOM CODEC input pins for TLV320AIC3104: MIC2L MIC2R LINE1L LINE1R CODEC input pins for other compatible codecs: MIC3L MIC3R LINE1L LINE2L LINE1R LINE2R maintainers: - Jai Luthra properties: compatible: enum: - ti,tlv320aic3x - ti,tlv320aic33 - ti,tlv320aic3007 - ti,tlv320aic3106 - ti,tlv320aic3104 reg: maxItems: 1 reset-gpios: maxItems: 1 description: GPIO specification for the active low RESET input. gpio-reset: $ref: /schemas/types.yaml#/definitions/uint32-matrix maxItems: 1 description: Deprecated, please use reset-gpios instead. deprecated: true ai3x-gpio-func: description: AIC3X_GPIO1 & AIC3X_GPIO2 Functionality $ref: /schemas/types.yaml#/definitions/uint32-array maxItems: 2 ai3x-micbias-vg: description: MicBias required voltage. If node is omitted then MicBias is powered down. $ref: /schemas/types.yaml#/definitions/uint32 oneOf: - const: 1 description: MICBIAS output is powered to 2.0V. - const: 2 description: MICBIAS output is powered to 2.5V. - const: 3 description: MICBIAS output is connected to AVDD. ai3x-ocmv: description: Output Common-Mode Voltage selection. $ref: /schemas/types.yaml#/definitions/uint32 oneOf: - const: 0 description: 1.35V - const: 1 description: 1.5V - const: 2 description: 1.65V - const: 3 description: 1.8V AVDD-supply: description: Analog DAC voltage. IOVDD-supply: description: I/O voltage. DRVDD-supply: description: ADC analog and output driver voltage. DVDD-supply: description: Digital core voltage. '#sound-dai-cells': const: 0 clocks: maxItems: 1 port: $ref: audio-graph-port.yaml# unevaluatedProperties: false required: - compatible - reg additionalProperties: false examples: - | #include i2c { #address-cells = <1>; #size-cells = <0>; tlv320aic3x_i2c: audio-codec@1b { compatible = "ti,tlv320aic3x"; reg = <0x1b>; reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; AVDD-supply = <®ulator>; IOVDD-supply = <®ulator>; DRVDD-supply = <®ulator>; DVDD-supply = <®ulator>; }; }; - | #include spi { #address-cells = <1>; #size-cells = <0>; tlv320aic3x_spi: audio-codec@0 { compatible = "ti,tlv320aic3x"; reg = <0>; /* CS number */ #sound-dai-cells = <0>; AVDD-supply = <®ulator>; IOVDD-supply = <®ulator>; DRVDD-supply = <®ulator>; DVDD-supply = <®ulator>; ai3x-ocmv = <0>; }; }; ...