The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/include/dt-bindings/sound/tlv320adc3xxx.h

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    1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
    2 /*
    3  * Devicetree bindings definitions for tlv320adc3xxx driver.
    4  *
    5  * Copyright (C) 2021 Axis Communications AB
    6  */
    7 #ifndef __DT_TLV320ADC3XXX_H
    8 #define __DT_TLV320ADC3XXX_H
    9 
   10 #define ADC3XXX_GPIO_DISABLED           0 /* I/O buffers powered down */
   11 #define ADC3XXX_GPIO_INPUT              1 /* Various non-GPIO inputs */
   12 #define ADC3XXX_GPIO_GPI                2 /* General purpose input */
   13 #define ADC3XXX_GPIO_GPO                3 /* General purpose output */
   14 #define ADC3XXX_GPIO_CLKOUT             4 /* Source set in reg. CLKOUT_MUX */
   15 #define ADC3XXX_GPIO_INT1               5 /* INT1 output */
   16 #define ADC3XXX_GPIO_INT2               6 /* INT2 output */
   17 /* value 7 is reserved */
   18 #define ADC3XXX_GPIO_SECONDARY_BCLK     8 /* Codec interface secondary BCLK */
   19 #define ADC3XXX_GPIO_SECONDARY_WCLK     9 /* Codec interface secondary WCLK */
   20 #define ADC3XXX_GPIO_ADC_MOD_CLK        10 /* Clock output for digital mics */
   21 /* values 11-15 reserved */
   22 
   23 #define ADC3XXX_MICBIAS_OFF             0 /* Micbias pin powered off */
   24 #define ADC3XXX_MICBIAS_2_0V            1 /* Micbias pin set to 2.0V */
   25 #define ADC3XXX_MICBIAS_2_5V            2 /* Micbias pin set to 2.5V */
   26 #define ADC3XXX_MICBIAS_AVDD            3 /* Use AVDD voltage for micbias pin */
   27 
   28 #endif /* __DT_TLV320ADC3XXX_H */

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