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/openbmc/linux/Documentation/hwmon/
H A Dpcf8591.rst17 - Aurelien Jarno <aurelien@aurel32.net>
18 - valuable contributions by Jan M. Sendler <sendler@sendler.de>,
19 - Jean Delvare <jdelvare@suse.de>
23 -----------
25 The PCF8591 is an 8-bit A/D and D/A converter (4 analog inputs and one
29 The PCF8591 has 4 analog inputs programmable as single-ended or
30 differential inputs:
32 - mode 0 : four single ended inputs
35 - mode 1 : three differential inputs
36 Pins AIN3 is the common negative differential input
[all …]
/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Dcs42l52.txt5 - compatible : "cirrus,cs42l52"
7 - reg : the I2C address of the device for I2C
11 - cirrus,reset-gpio : GPIO controller's phandle and the number
14 - cirrus,chgfreq-divisor : Values used to set the Charge Pump Frequency.
21 - cirrus,mica-differential-cfg : boolean, If present, then the MICA input is configured
22 as a differential input. If not present then the MICA input is configured as
23 Single-ended input. Single-ended mode allows for MIC1 or MIC2 muxing for input.
25 - cirrus,micb-differential-cfg : boolean, If present, then the MICB input is configured
26 as a differential input. If not present then the MICB input is configured as
27 Single-ended input. Single-ended mode allows for MIC1 or MIC2 muxing for input.
[all …]
H A Drt5677.txt7 - compatible : "realtek,rt5677".
9 - reg : The I2C address of the device.
11 - interrupts : The CODEC's interrupt output.
13 - gpio-controller : Indicates this device is a GPIO controller.
15 - #gpio-cells : Should be two. The first cell is the pin number and the
20 - realtek,pow-ldo2-gpio : The GPIO that controls the CODEC's POW_LDO2 pin.
21 - realtek,reset-gpio : The GPIO that controls the CODEC's RESET pin. Active low.
23 - realtek,in1-differential
24 - realtek,in2-differential
25 - realtek,lout1-differential
[all …]
H A Drt5665.txt7 - compatible : One of "realtek,rt5665", "realtek,rt5666".
9 - reg : The I2C address of the device.
11 - interrupts : The CODEC's interrupt output.
15 - realtek,in1-differential
16 - realtek,in2-differential
17 - realtek,in3-differential
18 - realtek,in4-differential
19 Boolean. Indicate MIC1/2/3/4 input are differential, rather than single-ended.
21 - realtek,dmic1-data-pin
26 - realtek,dmic2-data-pin
[all …]
H A Drt5640.txt7 - compatible : One of "realtek,rt5640" or "realtek,rt5639".
9 - reg : The I2C address of the device.
11 - interrupts : The CODEC's interrupt output.
15 - clocks: The phandle of the master clock to the CODEC
16 - clock-names: Should be "mclk"
18 - realtek,in1-differential
19 - realtek,in2-differential
20 - realtek,in3-differential
21 Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended.
23 - realtek,lout-differential
[all …]
H A Drt5660.txt7 - compatible : "realtek,rt5660".
9 - reg : The I2C address of the device.
13 - clocks: The phandle of the master clock to the CODEC
14 - clock-names: Should be "mclk"
16 - realtek,in1-differential
17 - realtek,in3-differential
18 Boolean. Indicate MIC1/3 input are differential, rather than single-ended.
20 - realtek,poweroff-in-suspend
24 - realtek,dmic1-data-pin
H A Drt5659.txt7 - compatible : One of "realtek,rt5659" or "realtek,rt5658".
9 - reg : The I2C address of the device.
11 - interrupts : The CODEC's interrupt output.
15 - clocks: The phandle of the master clock to the CODEC
16 - clock-names: Should be "mclk"
18 - realtek,in1-differential
19 - realtek,in3-differential
20 - realtek,in4-differential
21 Boolean. Indicate MIC1/3/4 input are differential, rather than single-ended.
23 - realtek,dmic1-data-pin
[all …]
H A Dcs42l56.txt5 - compatible : "cirrus,cs42l56"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VCP-supply, VLDO-supply : power supplies for the device,
14 - cirrus,gpio-nreset : GPIO controller's phandle and the number
17 - cirrus,chgfreq-divisor : Values used to set the Charge Pump Frequency.
24 - cirrus,ain1a-ref-cfg, ain1b-ref-cfg : boolean, If present, AIN1A or AIN1B are configured
25 as a pseudo-differential input referenced to AIN1REF/AIN3A.
27 - cirrus,ain2a-ref-cfg, ain2b-ref-cfg : boolean, If present, AIN2A or AIN2B are configured
28 as a pseudo-differential input referenced to AIN2REF/AIN3B.
30 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin.
[all …]
/openbmc/linux/include/linux/iio/frequency/
H A Dad9523.h1 /* SPDX-License-Identifier: GPL-2.0-only */
38 * struct ad9523_channel_spec - Output channel configuration
42 * @sync_ignore_en: Ignore chip-level SYNC signal.
43 * @low_power_mode_en: Reduce power used in the differential output modes.
48 LSB = 1/2 of a period of the divider input clock.
49 * @channel_divider: 10-bit channel divider.
106 * struct ad9523_platform_data - platform specific information
109 * @refa_diff_rcv_en: REFA differential/single-ended input selection.
110 * @refb_diff_rcv_en: REFB differential/single-ended input selection.
111 * @zd_in_diff_en: Zero Delay differential/single-ended input selection.
[all …]
/openbmc/linux/include/sound/
H A Dcs42l56.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/sound/cs42l56.h -- Platform data for CS42L56
19 /* Analog Input 1A Reference 0=Single 1=Pseudo-Differential */
22 /* Analog Input 2A Reference 0=Single 1=Pseudo-Differential */
25 /* Analog Input 1B Reference 0=Single 1=Pseudo-Differential */
28 /* Analog Input 2B Reference 0=Single 1=Pseudo-Differential */
/openbmc/u-boot/doc/device-tree-bindings/adc/
H A Dst,stm32-adc.txt3 STM32 ADC is a successive approximation analog-to-digital converter.
4 It has several multiplexed input channels. Conversions can be performed
6 stored in a left-aligned or right-aligned 32-bit data register.
9 The analog watchdog feature allows the application to detect if the input
10 voltage goes beyond the user-defined, higher or lower thresholds.
16 - regular conversion can be done in sequence, running in background
17 - injected conversions have higher priority, and so have the ability to
22 -----------------------------------
24 - compatible: Should be one of:
25 "st,stm32f4-adc-core"
[all …]
/openbmc/u-boot/board/freescale/mx6memcal/
H A Dspl.c1 // SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/mx6-ddr.h>
13 #include <asm/arch/mx6-pins.h>
58 /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */
64 /* SDCKE[0:1]: 100k pull-up */
67 /* SDBA2: pull-up disabled */
69 /* SDODT[0:1]: 100k pull-up, 40 ohm */
72 /* SDQS[0:7]: Differential input, 40 ohm */
82 /* DQM[0:7]: Differential input, 40 ohm */
104 /* DATA[00:63]: Differential input, 40 ohm */
[all …]
/openbmc/linux/Documentation/devicetree/bindings/hwmon/
H A Dti,ads7828.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 The ADS7828 is 12-Bit, 8-Channel Sampling Analog to Digital Converter (ADC)
23 - ti,ads7828
24 - ti,ads7830
29 ti,differential-input:
31 Set to use the device in differential mode.
34 vref-supply:
[all …]
/openbmc/u-boot/board/bachmann/ot1200/
H A Dot1200_spl.c1 // SPDX-License-Identifier: GPL-2.0+
8 #include <asm/arch/mx6-ddr.h>
12 /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 48ohm */
18 /* SDCKE[0:1]: 100k pull-up */
21 /* SDBA2: pull-up disabled */
23 /* SDODT[0:1]: 100k pull-up, 48 ohm */
26 /* SDQS[0:7]: Differential input, 48 ohm */
35 /* DQM[0:7]: Differential input, 48 ohm */
57 /* DATA[00:63]: Differential input, 48 ohm */
77 .rtt_wr = 1, /* DDR3_RTT_60_OHM - RTT_Wr = RZQ/4 */
[all …]
/openbmc/u-boot/board/barco/platinum/
H A Dspl_picon.c1 // SPDX-License-Identifier: GPL-2.0+
13 #include <asm/arch/mx6-ddr.h>
14 #include <asm/arch/mx6-pins.h>
16 #include <asm/mach-imx/boot_mode.h>
17 #include <asm/mach-imx/iomux-v3.h>
18 #include <asm/mach-imx/mxc_i2c.h>
27 /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */
33 /* SDCKE[0:1]: 100k pull-up */
36 /* SDBA2: pull-up disabled */
38 /* SDODT[0:1]: 100k pull-up, 40 ohm */
[all …]
H A Dspl_titanium.c1 // SPDX-License-Identifier: GPL-2.0+
13 #include <asm/arch/mx6-ddr.h>
14 #include <asm/arch/mx6-pins.h>
16 #include <asm/mach-imx/boot_mode.h>
17 #include <asm/mach-imx/iomux-v3.h>
18 #include <asm/mach-imx/mxc_i2c.h>
27 /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */
33 /* SDCKE[0:1]: 100k pull-up */
36 /* SDBA2: pull-up disabled */
38 /* SDODT[0:1]: 100k pull-up, 40 ohm */
[all …]
/openbmc/linux/include/linux/platform_data/
H A Dadau17x1.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright 2011-2014 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
13 * enum adau17x1_micbias_voltage - Microphone bias voltage
23 * enum adau1761_digmic_jackdet_pin_mode - Configuration of the JACKDET/MICIN pin
26 * digital microphone input.
37 * adau1761_jackdetect_debounce_time - Jack insertion detection debounce time
51 * enum adau1761_output_mode - Output mode configuration
63 * struct adau1761_platform_data - ADAU1761 Codec driver platform data
64 * @input_differential: If true the input pins will be configured in
[all …]
H A Dad7266.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 * enum ad7266_range - AD7266 reference voltage range
13 * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
15 * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
24 * enum ad7266_mode - AD7266 sample mode
25 * @AD7266_MODE_DIFF: Device is configured for full differential mode
27 * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
29 * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
39 * struct ad7266_platform_data - Platform data for the AD7266 driver
42 * @fixed_addr: Whether the address pins are hard-wired
/openbmc/linux/drivers/hwmon/
H A Dpcf8591.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
24 "Analog input mode:\n"
26 " 1 = three differential inputs\n"
27 " 2 = single ended and differential mixed\n"
28 " 3 = two differential inputs\n");
40 * Analog Input Programming
42 * 0x10 = three differential inputs
43 * 0x20 = single ended and differential mixed
44 * 0x30 = two differential inputs
[all …]
/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
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#
10 STM32 ADC is a successive approximation analog-to-digital converter.
11 It has several multiplexed input channels. Conversions can be performed
13 stored in a left-aligned or right-aligned 32-bit data register.
16 The analog watchdog feature allows the application to detect if the input
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
[all …]
/openbmc/linux/Documentation/devicetree/bindings/iio/frequency/
H A Dadi,admv1014.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
21 - adi,admv1014
26 spi-max-frequency:
32 clock-names:
34 - const: lo_in
36 External clock that provides the Local Oscillator input.
38 vcm-supply:
[all …]
H A Dadi,admv1013.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Antoniu Miclaus <antoniu.miclaus@analog.com>
21 - adi,admv1013
26 spi-max-frequency:
34 clock-names:
36 - const: lo_in
38 vcm-supply:
42 vcc-drv-supply:
[all …]
/openbmc/linux/drivers/comedi/drivers/
H A Dadq12b.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Driver for MicroAxial ADQ12-B data acquisition and control card
11 * COMEDI - Linux Control and Measurement Device Interface
17 * Description: Driver for MicroAxial ADQ12-B data acquisition and control card
18 * Devices: [MicroAxial] ADQ12-B (adq12b)
20 * Updated: Thu, 21 Feb 2008 02:56:27 -0300
24 * [0] - I/O base address (set with hardware jumpers)
32 * [1] - Analog Input unipolar/bipolar selection
34 * bipolar 0 2-3 (factory default)
35 * unipolar 1 1-2
[all …]
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
46 * The PCI230 and PCI260 cards have 12-bit resolution. The PCI230+ and
47 * PCI260+ cards have 16-bit resolution.
49 * For differential mode, use inputs 2N and 2N+1 for channel N (e.g. use
51 * or PCI260 then it actually uses a "pseudo-differential" mode where the
53 * use true differential sampling. Another difference is that if the
54 * card is physically a PCI230 or PCI260, the inverting input is 2N,
[all …]
/openbmc/u-boot/board/gateworks/gw_ventana/
H A Dgw_ventana_spl.c1 // SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/mx6-ddr.h>
11 #include <asm/arch/mx6-pins.h>
13 #include <asm/mach-imx/boot_mode.h>
14 #include <asm/mach-imx/iomux-v3.h>
15 #include <asm/mach-imx/mxc_i2c.h>
29 /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */
35 /* SDCKE[0:1]: 100k pull-up */
38 /* SDBA2: pull-up disabled */
40 /* SDODT[0:1]: 100k pull-up, 40 ohm */
[all …]

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