29 lines · c
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 AB6 */7#ifndef __DT_TLV320ADC3XXX_H8#define __DT_TLV320ADC3XXX_H9 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 */29