1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
3 * Devicetree bindings definitions for tlv320adc3xxx driver.
5 * Copyright (C) 2021 Axis Communications AB
7 #ifndef __DT_TLV320ADC3XXX_H
8 #define __DT_TLV320ADC3XXX_H
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 */
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 */
28 #endif /* __DT_TLV320ADC3XXX_H */