dt-bindings/sound/tlv320adc3xxx.h

0001 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
0002 /*
0003  * Devicetree bindings definitions for tlv320adc3xxx driver.
0004  *
0005  * Copyright (C) 2021 Axis Communications AB
0006  */
0007 #ifndef __DT_TLV320ADC3XXX_H
0008 #define __DT_TLV320ADC3XXX_H
0009
0010 #define ADC3XXX_GPIO_DISABLED       0 /* I/O buffers powered down */
0011 #define ADC3XXX_GPIO_INPUT      1 /* Various non-GPIO inputs */
0012 #define ADC3XXX_GPIO_GPI        2 /* General purpose input */
0013 #define ADC3XXX_GPIO_GPO        3 /* General purpose output */
0014 #define ADC3XXX_GPIO_CLKOUT     4 /* Source set in reg. CLKOUT_MUX */
0015 #define ADC3XXX_GPIO_INT1       5 /* INT1 output */
0016 #define ADC3XXX_GPIO_INT2       6 /* INT2 output */
0017 /* value 7 is reserved */
0018 #define ADC3XXX_GPIO_SECONDARY_BCLK 8 /* Codec interface secondary BCLK */
0019 #define ADC3XXX_GPIO_SECONDARY_WCLK 9 /* Codec interface secondary WCLK */
0020 #define ADC3XXX_GPIO_ADC_MOD_CLK    10 /* Clock output for digital mics */
0021 /* values 11-15 reserved */
0022
0023 #define ADC3XXX_MICBIAS_OFF     0 /* Micbias pin powered off */
0024 #define ADC3XXX_MICBIAS_2_0V        1 /* Micbias pin set to 2.0V */
0025 #define ADC3XXX_MICBIAS_2_5V        2 /* Micbias pin set to 2.5V */
0026 #define ADC3XXX_MICBIAS_AVDD        3 /* Use AVDD voltage for micbias pin */
0027
0028 #endif /* __DT_TLV320ADC3XXX_H */