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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad7124.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/adi,ad7124.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices AD7124 ADC device driver
11 - Stefan Popa <stefan.popa@analog.com>
14 Bindings for the Analog Devices AD7124 ADC device. Datasheet can be
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7124-8.pdf
21 - adi,ad7124-4
22 - adi,ad7124-8
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H A Dti,ads1119.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/ti,ads1119.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments ADS1119 ADC
10 - João Paulo Gonçalves <jpaulo.silvagoncalves@gmail.com>
13 The TI ADS1119 is a precision 16-bit ADC over I2C that offers single-ended and
28 reset-gpios:
31 avdd-supply: true
32 dvdd-supply: true
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H A Dst,stm32-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STM32 ADC
10 STM32 ADC is a successive approximation analog-to-digital converter.
11 It has several multiplexed input channels. Conversions can be performed
12 in single, continuous, scan or discontinuous mode. Result of the ADC is
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
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H A Dadi,ad7173.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/adi,ad7173.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices AD7173 ADC
11 - Ceclan Dumitru <dumitru.ceclan@analog.com>
14 Analog Devices AD717x ADC's:
15 The AD717x family offer a complete integrated Sigma-Delta ADC solution which
18 (Factory Automation PLC Input modules). The Sigma-Delta ADC is intended
22 Analog Devices AD411x ADC's:
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H A Dadc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: IIO Common Properties for ADC Channels
10 - Jonathan Cameron <jic23@kernel.org>
13 A few properties are defined in a common way ADC channels.
17 pattern: "^channel(@[0-9a-f]+)?$"
31 diff-channels:
32 $ref: /schemas/types.yaml#/definitions/uint32-array
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H A Dadi,ad4130.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/adi,ad4130.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices AD4130 ADC device driver
11 - Cosmin Tanislav <cosmin.tanislav@analog.com>
14 Bindings for the Analog Devices AD4130 ADC. Datasheet can be found here:
15 https://www.analog.com/media/en/technical-documentation/data-sheets/AD4130-8.pdf
20 - adi,ad4130
29 clock-names:
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H A Dmicrochip,mcp3564.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/microchip,mcp3564.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip MCP346X and MCP356X ADC Family
10 - Marius Cristea <marius.cristea@microchip.com>
13 Bindings for the Microchip family of 153.6 ksps, Low-Noise 16/24-Bit
14 Delta-Sigma ADCs with an SPI interface. Datasheet can be found here:
16 …s/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP3561-2-4-Family-Data-Sheet-DS20006181…
18 …ds/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP3561_2_4R-Data-Sheet-DS200006391C.pdf
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H A Dadi,max11410.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/adi,max11410.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices MAX11410 ADC device driver
11 - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
14 Bindings for the Analog Devices MAX11410 ADC device. Datasheet can be
21 - adi,max11410
30 interrupt-names:
34 - enum: [gpio0, gpio1]
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H A Dadi,ad7292.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD7292 10-Bit Monitor and Control System
10 - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
13 Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
17 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
22 - adi,ad7292
27 vref-supply:
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H A Dadi,ad7192.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iio/adc/adi,ad7192.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices AD7192 ADC device driver
11 - Michael Hennerich <michael.hennerich@analog.com>
14 Bindings for the Analog Devices AD7192 ADC device. Datasheet can be
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7192.pdf
21 - adi,ad7190
22 - adi,ad7192
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/linux/drivers/iio/adc/
H A Dstm32-adc.c1 // SPDX-License-Identifier: GPL-2.0
3 * This file is part of STM32 ADC driver
5 * Copyright (C) 2016, STMicroelectronics - All Rights Reserved
12 #include <linux/dma-mapping.h>
16 #include <linux/iio/timer/stm32-lptim-trigger.h>
17 #include <linux/iio/timer/stm32-timer-trigger.h>
26 #include <linux/nvmem-consumer.h>
31 #include "stm32-adc-core.h"
36 /* BOOST bit must be set on STM32H7 when ADC clock is above 20MHz */
39 #define STM32_ADC_CH_MAX 20 /* max number of channels */
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H A Dad7380.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * ad7380/1 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7380-7381.pdf
10 * ad7383/4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-7384.pdf
11 …* ad7386/7/8 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7386-7387-738…
12 * ad7380-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7380-4.pdf
13 * ad7381-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7381-4.pdf
14 …* ad7383/4-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-4-ad7384…
15 …* ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7386-4-7387…
86 const struct iio_chan_spec *channels; member
104 /* Extended scan types for 12-bit unsigned chips. */
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H A Dmcp3564.c1 // SPDX-License-Identifier: GPL-2.0+
3 * IIO driver for MCP356X/MCP356XR and MCP346X/MCP346XR series ADC chip family
5 * Copyright (C) 2022-2023 Microchip Technology Inc. and its subsidiaries
10 …s/aemDocuments/documents/MSLD/ProductDocuments/DataSheets/MCP3561-2-4-Family-Data-Sheet-DS20006181…
12 …ds/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP3561_2_4R-Data-Sheet-DS200006391C.pdf
14 …ProductDocuments/DataSheets/MCP3461-2-4-Two-Four-Eight-Channel-153.6-ksps-Low-Noise-16-Bit-Delta-S…
16 …/aemDocuments/documents/APID/ProductDocuments/DataSheets/MCP3461-2-4R-Family-Data-Sheet-DS20006404…
64 * ADC Output Data Format 32-bit (25-bit right justified data + Channel ID):
65 * CHID[3:0] + SGN extension (4 bits) + 24-bit ADC data.
70 * ADC Output Data Format 32-bit (25-bit right justified data):
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H A Dad7292.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices AD7292 SPI ADC driver
94 st->d8[0] = AD7292_RD_FLAG_MSK(addr); in ad7292_spi_reg_read()
96 ret = spi_write_then_read(st->spi, st->d8, 1, &st->d16, 2); in ad7292_spi_reg_read()
100 return be16_to_cpu(st->d16); in ad7292_spi_reg_read()
106 unsigned int shift = 16 - (8 * len); in ad7292_spi_subreg_read()
109 st->d8[0] = AD7292_RD_FLAG_MSK(addr); in ad7292_spi_subreg_read()
110 st->d8[1] = sub_addr; in ad7292_spi_subreg_read()
112 ret = spi_write_then_read(st->spi, st->d8, 2, &st->d16, len); in ad7292_spi_subreg_read()
116 return (be16_to_cpu(st->d16) >> shift); in ad7292_spi_subreg_read()
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H A Dmax11410.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * MAX11410 SPI ADC driver
142 struct max11410_channel_config *channels; member
175 /* This driver only needs to write 8-bit registers */ in max11410_write_reg()
177 return -EINVAL; in max11410_write_reg()
179 return regmap_write(st->regmap, reg, val); in max11410_write_reg()
188 ret = regmap_bulk_read(st->regmap, reg, &st->scan.data, 3); in max11410_read_reg()
192 *val = get_unaligned_be24(&st->scan.data); in max11410_read_reg()
196 return regmap_read(st->regmap, reg, val); in max11410_read_reg()
204 return st->avdd; in max11410_get_vrefp()
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/linux/sound/soc/codecs/
H A Dpcm186x.c1 // SPDX-License-Identifier: GPL-2.0
3 * Texas Instruments PCM186x Universal Audio ADC
5 * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com
29 "avdd", /* Analog power supply. Connect to 3.3-V supply. */
30 "dvdd", /* Digital power supply. Connect to 3.3-V supply. */
31 "iovdd", /* I/O power supply. Connect to 3.3-V or 1.8-V. */
44 static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 50, 0);
47 SOC_DOUBLE_R_S_TLV("ADC Capture Volume", PCM186X_PGA_VAL_CH1_L,
48 PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0,
54 PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0,
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H A Dwm8978.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8978.c -- WM8978 ALSA SoC Audio Codec driver
5 * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
7 * Copyright 2006-2009 Wolfson Microelectronics PLC.
106 static const char *wm8978_companding[] = {"Off", "NC", "u-law", "A-law"};
133 static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1);
134 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
135 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1200, 75, 0);
136 static const DECLARE_TLV_DB_SCALE(spk_tlv, -5700, 100, 0);
137 static const DECLARE_TLV_DB_SCALE(boost_tlv, -1500, 300, 1);
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H A Dad1836.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright 2009-2011 Analog Devices Inc.
38 * AD1836 volume/mute/de-emphasis etc. controls
54 SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \
94 { "ADC", NULL, "ADC1IN" },
95 { "ADC", NULL, "ADC2IN" },
99 /* ADC high-pass filter */
100 SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
103 /* DAC de-emphasis */
110 SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
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/linux/Documentation/devicetree/bindings/mux/
H A Dadi,adg792a.txt4 - compatible : "adi,adg792a" or "adi,adg792g"
5 - #mux-control-cells : <0> if parallel (the three muxes are bound together
8 * Standard mux-controller bindings as described in mux-controller.yaml
11 - gpio-controller : if present, #gpio-cells below is required.
12 - #gpio-cells : should be <2>
13 - First cell is the GPO line number, i.e. 0 or 1
14 - Second cell is used to specify active high (0)
18 - idle-state : if present, array of states that the mux controllers will have
32 mux: mux-controller@50 {
35 #mux-control-cells = <1>;
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/linux/Documentation/devicetree/bindings/iio/proximity/
H A Dtyhx,hx9023s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Yasin Lee <yasin.lee.x@gmail.com>
29 vdd-supply: true
31 "#address-cells":
34 "#size-cells":
38 "^channel@[0-4]$":
39 $ref: /schemas/iio/adc/adc.yaml
50 - compatible
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/linux/drivers/iio/addac/
H A Dstx104.c1 // SPDX-License-Identifier: GPL-2.0-only
30 #define STX104_IN_CHAN(chan, diff) { \ argument
38 .differential = diff \
64 /* ADC Channel */
70 /* ADC Status */
75 /* ADC Control */
79 /* ADC Configuration */
90 * struct stx104_iio - IIO device private data structure
211 err = regmap_read(priv->aio_ctl_map, STX104_ADC_CONFIGURATION, &adc_config); in stx104_read_raw()
218 if (chan->output) { in stx104_read_raw()
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/linux/drivers/comedi/drivers/
H A Damplc_pci230.c1 // SPDX-License-Identifier: GPL-2.0+
8 * COMEDI - Linux Control and Measurement Device Interface
35 * --------- ---------
43 * The AI subdevice has 16 single-ended channels or 8 differential
44 * channels.
46 * The PCI230 and PCI260 cards have 12-bit resolution. The PCI230+ and
47 * PCI260+ cards have 16-bit resolution.
51 * or PCI260 then it actually uses a "pseudo-differential" mode where the
62 * 0 => [-10, +10] V
63 * 1 => [-5, +5] V
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H A Dni_daq_700.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Driver for DAQCard-700 DIO/AI
7 * COMEDI - Linux Control and Measurement Device Interface
13 * Description: National Instruments PCMCIA DAQCard-700
16 * Devices: [National Instruments] PCMCIA DAQ-Card-700 (ni_daq_700)
20 * The daqcard-700 appears in Comedi as a digital I/O subdevice (0) with
21 * 16 channels and a analog input subdevice (1) with 16 single-ended channels
22 * or 8 differential channels, and three input ranges.
24 * Digital: The channel 0 corresponds to the daqcard-700's output
27 * Digital direction configuration: channels 0-7 output, 8-15 input.
[all …]
/linux/drivers/iio/proximity/
H A Dhx9023s.c1 // SPDX-License-Identifier: GPL-2.0
107 s16 diff; /* Difference of Low Pass Data and Base Line Data */ member
136 __le16 channels[HX9023S_CH_NUM]; member
162 /* ADC average number and OSR number of each channel */
169 /* sample & integration frequency of the ADC */
302 return regmap_update_bits(data->regmap, HX9023S_INTERRUPT_CFG, in hx9023s_interrupt_enable()
308 return regmap_update_bits(data->regmap, HX9023S_INTERRUPT_CFG, in hx9023s_interrupt_disable()
315 return regmap_update_bits(data->regmap, in hx9023s_data_lock()
320 return regmap_update_bits(data->regmap, in hx9023s_data_lock()
336 ch_pos[i] = data->ch_data[i].channel_positive == HX9023S_NOT_CONNECTED ? in hx9023s_ch_cfg()
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/linux/drivers/input/keyboard/
H A Dsun4i-lradc-keys.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Allwinner sun4i low res adc attached tablet keys driver
13 * There are 2 channels, currently this driver only supports channel 0 since
63 /* struct lradc_variant - Describe sun4i-a10-lradc-keys hardware variant
112 u32 i, ints, val, voltage, diff, keycode = 0, closest = 0xffffffff; in sun4i_lradc_irq() local
114 ints = readl(lradc->base + LRADC_INTS); in sun4i_lradc_irq()
122 input_report_key(lradc->input, lradc->chan0_keycode, 0); in sun4i_lradc_irq()
123 lradc->chan0_keycode = 0; in sun4i_lradc_irq()
126 if ((ints & CHAN0_KEYDOWN_IRQ) && lradc->chan0_keycode == 0) { in sun4i_lradc_irq()
127 val = readl(lradc->base + LRADC_DATA0) & 0x3f; in sun4i_lradc_irq()
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