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# 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>;
};
...
|
