ASoC: tlv320adc3xxx: New codec bindings
DT bindings for Texas Instruments TLV320ADC3001 and TLV320ADC3101 audio ADCs. Signed-off-by: Ricard Wanderlof <ricardw@axis.com> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2112151759170.27889@lap5cg0092dnk.se.axis.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ricard Wanderlof
Mark Brown
parent
c50384d7e3
commit
e047d03726
|
|
@ -0,0 +1,137 @@
|
|||
# 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>;
|
||||
};
|
||||
...
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
|
||||
/*
|
||||
* Devicetree bindings definitions for tlv320adc3xxx driver.
|
||||
*
|
||||
* Copyright (C) 2021 Axis Communications AB
|
||||
*/
|
||||
#ifndef __DT_TLV320ADC3XXX_H
|
||||
#define __DT_TLV320ADC3XXX_H
|
||||
|
||||
#define ADC3XXX_GPIO_DISABLED 0 /* I/O buffers powered down */
|
||||
#define ADC3XXX_GPIO_INPUT 1 /* Various non-GPIO inputs */
|
||||
#define ADC3XXX_GPIO_GPI 2 /* General purpose input */
|
||||
#define ADC3XXX_GPIO_GPO 3 /* General purpose output */
|
||||
#define ADC3XXX_GPIO_CLKOUT 4 /* Source set in reg. CLKOUT_MUX */
|
||||
#define ADC3XXX_GPIO_INT1 5 /* INT1 output */
|
||||
#define ADC3XXX_GPIO_INT2 6 /* INT2 output */
|
||||
/* value 7 is reserved */
|
||||
#define ADC3XXX_GPIO_SECONDARY_BCLK 8 /* Codec interface secondary BCLK */
|
||||
#define ADC3XXX_GPIO_SECONDARY_WCLK 9 /* Codec interface secondary WCLK */
|
||||
#define ADC3XXX_GPIO_ADC_MOD_CLK 10 /* Clock output for digital mics */
|
||||
/* values 11-15 reserved */
|
||||
|
||||
#define ADC3XXX_MICBIAS_OFF 0 /* Micbias pin powered off */
|
||||
#define ADC3XXX_MICBIAS_2_0V 1 /* Micbias pin set to 2.0V */
|
||||
#define ADC3XXX_MICBIAS_2_5V 2 /* Micbias pin set to 2.5V */
|
||||
#define ADC3XXX_MICBIAS_AVDD 3 /* Use AVDD voltage for micbias pin */
|
||||
|
||||
#endif /* __DT_TLV320ADC3XXX_H */
|
||||
Loading…
Reference in New Issue