# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/ti,tlv320adc3xxx.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Texas Instruments TLV320ADC3001/TLV320ADC3101 Stereo ADC maintainers: - Ricard Wanderlof <ricardw@axis.com> description: | Texas Instruments TLV320ADC3001 and TLV320ADC3101 Stereo ADC https://www.ti.com/product/TLV320ADC3001 https://www.ti.com/product/TLV320ADC3101 properties: compatible: enum: - ti,tlv320adc3001 - ti,tlv320adc3101 reg: maxItems: 1 description: I2C address '#sound-dai-cells': const: 0 '#gpio-cells': const: 2 gpio-controller: true reset-gpios: maxItems: 1 description: GPIO pin used for codec reset (RESET pin) clocks: maxItems: 1 description: Master clock (MCLK) ti,dmdin-gpio1: $ref: /schemas/types.yaml#/definitions/uint32 enum: - 0 # ADC3XXX_GPIO_DISABLED - I/O buffers powered down and not used - 1 # ADC3XXX_GPIO_INPUT - Various non-GPIO input functions - 2 # ADC3XXX_GPIO_GPI - General purpose input - 3 # ADC3XXX_GPIO_GPO - General purpose output - 4 # ADC3XXX_GPIO_CLKOUT - Clock source set in CLKOUT_MUX reg - 5 # ADC3XXX_GPIO_INT1 - INT1 output - 6 # ADC3XXX_GPIO_SECONDARY_BCLK - Codec interface secondary BCLK - 7 # ADC3XXX_GPIO_SECONDARY_WCLK - Codec interface secondary WCLK default: 0 description: | Configuration for DMDIN/GPIO1 pin. When ADC3XXX_GPIO_GPO is configured, this causes corresponding the ALSA control "GPIOx Output" to appear, as a switch control. ti,dmclk-gpio2: $ref: /schemas/types.yaml#/definitions/uint32 enum: - 0 # ADC3XXX_GPIO_DISABLED - I/O buffers powered down and not used - 1 # ADC3XXX_GPIO_INPUT - Various non-GPIO input functions - 2 # ADC3XXX_GPIO_GPI - General purpose input - 3 # ADC3XXX_GPIO_GPO - General purpose output - 4 # ADC3XXX_GPIO_CLKOUT - Clock source set in CLKOUT_MUX reg - 5 # ADC3XXX_GPIO_INT1 - INT1 output - 6 # ADC3XXX_GPIO_SECONDARY_BCLK - Codec interface secondary BCLK - 7 # ADC3XXX_GPIO_SECONDARY_WCLK - Codec interface secondary WCLK default: 0 description: | Configuration for DMCLK/GPIO2 pin. When ADC3XXX_GPIO_GPO is configured, this causes corresponding the ALSA control "GPIOx Output" to appear, as a switch control. Note that there is currently no support for reading the GPIO pins as inputs. ti,micbias1-vg: $ref: /schemas/types.yaml#/definitions/uint32 enum: - 0 # ADC3XXX_MICBIAS_OFF - Mic bias is powered down - 1 # ADC3XXX_MICBIAS_2_0V - Mic bias is set to 2.0V - 2 # ADC3XXX_MICBIAS_2_5V - Mic bias is set to 2.5V - 3 # ADC3XXX_MICBIAS_AVDD - Mic bias is same as AVDD supply default: 0 description: | Mic bias voltage output on MICBIAS1 pin ti,micbias2-vg: $ref: /schemas/types.yaml#/definitions/uint32 enum: - 0 # ADC3XXX_MICBIAS_OFF - Mic bias is powered down - 1 # ADC3XXX_MICBIAS_2_0V - Mic bias is set to 2.0V - 2 # ADC3XXX_MICBIAS_2_5V - Mic bias is set to 2.5V - 3 # ADC3XXX_MICBIAS_AVDD - Mic bias is same as AVDD supply default: 0 description: | Mic bias voltage output on MICBIAS2 pin required: - compatible - reg - clocks additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/sound/tlv320adc3xxx.h> i2c { #address-cells = <1>; #size-cells = <0>; tlv320adc3101: audio-codec@18 { compatible = "ti,tlv320adc3101"; reg = <0x18>; reset-gpios = <&gpio_pc 3 GPIO_ACTIVE_LOW>; clocks = <&audio_mclk>; gpio-controller; #gpio-cells = <2>; ti,dmdin-gpio1 = <ADC3XXX_GPIO_GPO>; ti,micbias1-vg = <ADC3XXX_MICBIAS_AVDD>; }; }; audio_mclk: clock { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <24576000>; }; ...