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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dqcom,spmi-iadc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/qcom,spmi-iadc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Cameron <jic23@kernel.org>
15 through an external resistor (channel 1) or internal (built-in) resistor
16 (channel 0). When using an external resistor it is to be described by
17 qcom,external-resistor-micro-ohms property.
22 - enum:
23 - qcom,pm8226-iadc
[all …]
H A Dmicrochip,pac1934.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marius Cristea <marius.cristea@microchip.com>
16 …oads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.…
21 - microchip,pac1931
22 - microchip,pac1932
23 - microchip,pac1933
24 - microchip,pac1934
29 "#address-cells":
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/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ad5770r.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Alexandru Tachici <alexandru.tachici@analog.com>
16 https://www.analog.com/media/en/technical-documentation/data-sheets/AD5770R.pdf
21 - adi,ad5770r
26 avdd-supply:
31 iovdd-supply:
35 vref-supply:
36 description: Specify the voltage of the external reference used.
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H A Dadi,ad5755.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices AD5755 Multi-Channel DAC
10 - Sean Nyekjaer <sean.nyekjaer@prevas.dk>
15 - adi,ad5755
16 - adi,ad5755-1
17 - adi,ad5757
18 - adi,ad5735
19 - adi,ad5737
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H A Dadi,ltc2672.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
11 - Kim Seer Paller <kimseer.paller@analog.com>
14 Analog Devices LTC2672 5 channel, 12-/16-Bit, 300mA DAC
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2672.pdf
20 - adi,ltc2672
25 spi-max-frequency:
28 vcc-supply:
[all …]
H A Dmicrochip,mcp4725.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tomas Novotny <tomas@novotny.cz>
15 - microchip,mcp4725
16 - microchip,mcp4726
21 vdd-supply:
24 For the mcp4726 it will be used as the reference voltage if vref-supply
27 vref-supply:
31 microchip,vref-buffered:
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/linux/Documentation/hwmon/
H A Dltc2990.rst11 Addresses scanned: -
19 - Mike Looijmans <mike.looijmans@topic.nl>
20 - Tom Levens <tom.levens@cern.ch>
24 -----------
29 measure current through a series resistor, or a temperature with an external
34 -----------
41 ----------------
52 in[1-4]_input Voltage at V[1-4] pin in millivolt
53 temp2_input External temperature sensor TR1 in millidegrees Celsius
54 temp3_input External temperature sensor TR2 in millidegrees Celsius
[all …]
/linux/Documentation/devicetree/bindings/iio/potentiostat/
H A Dti,lmp91000.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matt Ranostay <matt.ranostay@konsulko.com>
20 - ti,lmp91000
21 - ti,lmp91002
26 io-channels:
29 ti,external-tia-resistor:
32 If the property ti,tia-gain-ohm is not defined this needs to be set to
33 signal that an external resistor value is being used.
[all …]
/linux/arch/arm/mach-s3c/
H A Dgpio-cfg.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * S3C Platform - GPIO pin configuration
13 * changing the pull-{up,down} configurations.
27 /* forward declaration if gpio-core.h hasn't been included */
32 * @cfg_eint: Configuration setting when used for external interrupt source
41 * per-bank configuration information that other systems such as the
42 * external interrupt code will need.
73 * s3c_gpio_cfgpin() - Change the GPIO function of a pin.
77 * Configure which function is actually connected to the external
85 * If a bank of GPIOs all needs to be set to special-function 2, then
[all …]
/linux/Documentation/devicetree/bindings/regulator/
H A Dadi,max77857.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Analog Devices MAX77857 Buck-Boost Converter
11 - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
12 - Okan Sahin <Okan.Sahin@analog.com>
14 description: Analog Devices MAX77857 Buck-Boost Converter
19 - adi,max77831
20 - adi,max77857
21 - adi,max77859
[all …]
H A Drohm,bd71847-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/rohm,bd71847-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
15 Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml
21 regulator-boot-on at least for BUCK5. LDO6 is supplied by it and it must
30 "^LDO[1-6]$":
37 regulator-name:
38 pattern: "^ldo[1-6]$"
[all …]
H A Drohm,bd71837-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/regulator/rohm,bd71837-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
15 Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml
21 regulator-boot-on at least for BUCK6 and BUCK7 so that those are not
31 "^LDO[1-7]$":
38 regulator-name:
39 pattern: "^ldo[1-7]$"
[all …]
H A Dltc3589.txt1 Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators
4 - compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,
13 nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
22 0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1
24 regulator is fixed to 1.8 V on LTC3589 and to 2.8 V on LTC3589-1,2. The ldo4
26 and 3.2 V on LTC3589-1,2 in four steps. The ldo1 standby regulator can not
[all …]
H A Dsilergy,sy8106a.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ondrej Jirman <megous@megous.com>
13 - $ref: regulator.yaml#
22 silergy,fixed-microvolt:
24 The voltage when I2C regulating is disabled (set by external resistor
28 - compatible
29 - reg
30 - silergy,fixed-microvolt
[all …]
/linux/Documentation/devicetree/bindings/power/supply/
H A Dltc4162-l.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/power/supply/ltc4162-l.yaml#
6 $schema: http://devicetree.org/meta-schema
[all...]
/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.
49 * @channel_divider: 10-bit channel divider.
106 * struct ad9523_platform_data - platform specific information
108 * @vcxo_freq: External VCXO frequency in Hz
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.
112 * @osc_in_diff_en: OSC differential/ single-ended input selection.
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Drohm,bd71828-pmic.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mfd/rohm,bd71828-pmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
13 BD71828GW is a single-chip power management IC for battery-powered portable
15 single-cell linear charger. Also included is a Coulomb counter, a real-time
21 - const: rohm,bd71828
23 - items:
24 - const: rohm,bd71879
[all …]
/linux/Documentation/devicetree/bindings/memory-controllers/ti/
H A Demif.txt3 EMIF - External Memory Interface - is an SDRAM controller used in
11 - compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev>
14 "ti,emif-am3352"
15 "ti,emif-am4372"
16 "ti,emif-dra7xx"
17 "ti,emif-keystone"
19 - phy-type : <u32> indicating the DDR phy type. Following are the
24 - device-handle : phandle to a "lpddr2" node representing the memory part
26 - ti,hwmods : For TI hwmods processing and omap device creation
29 - interrupts : interrupt used by the controller
[all …]
/linux/drivers/pwm/
H A Dpwm-iqs620a.c1 // SPDX-License-Identifier: GPL-2.0+
8 * - The period is fixed to 1 ms and is generated continuously despite changes
10 * - Changes to the duty cycle or enable/disable state take effect immediately
12 * - The device cannot generate a 0% duty cycle. For duty cycles below 1 / 256
13 * ms, the output is disabled and relies upon an external pull-down resistor
51 struct iqs62x_core *iqs62x = iqs620_pwm->iqs62x; in iqs620_pwm_init()
55 return regmap_clear_bits(iqs62x->regmap, IQS620_PWR_SETTINGS, in iqs620_pwm_init()
58 ret = regmap_write(iqs62x->regmap, IQS620_PWM_DUTY_CYCLE, in iqs620_pwm_init()
59 duty_scale - 1); in iqs620_pwm_init()
63 return regmap_set_bits(iqs62x->regmap, IQS620_PWR_SETTINGS, in iqs620_pwm_init()
[all …]
/linux/Documentation/devicetree/bindings/iio/addac/
H A Dadi,ad74413r.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cosmin Tanislav <cosmin.tanislav@analog.com>
13 The AD74412R and AD74413R are quad-channel software configurable input/output
18 The devices feature a 16-bit ADC and four configurable 13-bit DACs to provide
20 The AD74413R differentiates itself from the AD74412R by being HART-compatible.
27 - adi,ad74412r
28 - adi,ad74413r
33 '#address-cells':
[all …]
/linux/Documentation/devicetree/bindings/w1/
H A Dw1-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/w1/w1-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Bitbanged GPIO 1-Wire Bus
10 - Daniel Mack <zonque@gmail.com>
14 const: w1-gpio
19 - description: Data I/O pin
20 - description: Enable pin for an external pull-up resistor
22 linux,open-drain:
[all …]
/linux/Documentation/devicetree/bindings/leds/
H A Dleds-lm3532.txt1 * Texas Instruments - lm3532 White LED driver with ambient light sensing
4 The LM3532 provides the 3 high-voltage, low-side current sinks. The device is
5 programmable over an I2C-compatible interface and has independent
11 each with 32 internal voltage setting resistors, 8-bit logarithmic and linear
12 brightness control, dual external PWM brightness control inputs, and up to
16 - compatible : "ti,lm3532"
17 - reg : I2C slave address
18 - #address-cells : 1
19 - #size-cells : 0
22 - enable-gpios : gpio pin to enable (active high)/disable the device.
[all …]
/linux/Documentation/devicetree/bindings/hwmon/
H A Dadi,ltc4282.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sa <nuno.sa@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf
20 - adi,ltc4282
25 vdd-supply: true
30 '#clock-cells':
33 adi,rsense-nano-ohms:
34 description: Value of the sense resistor.
[all …]
/linux/include/linux/regulator/
H A Dmax1586.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * max1586.h -- Voltage regulation for the Maxim 1586
23 * max1586_subdev_data - regulator data
35 * max1586_platform_data - platform data for max1586
41 * for an external resistor configuration as described in the
/linux/Documentation/arch/arm/pxa/
H A Dmfp.rst7 MFP stands for Multi-Function Pin, which is the pin-mux logic on PXA3xx and
15 mechanism is introduced from PXA3xx to completely move the pin-mux functions
16 out of the GPIO controller. In addition to pin-mux configurations, the MFP
17 also controls the low power state, driving strength, pull-up/down and event
21 +--------+
22 | |--(GPIO19)--+
24 | |--(GPIO...) |
25 +--------+ |
26 | +---------+
27 +--------+ +------>| |
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