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 */ 29