| /Linux-v6.1/Documentation/devicetree/bindings/iio/afe/ |
| D | current-sense-amplifier.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/current-sense-amplifier.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Current Sense Amplifier
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the output voltage from a current sense
14 amplifier, the interesting measurement is almost always the current
15 through the sense resistor, not the voltage output. This binding
16 describes such a current sense circuit.
[all …]
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| D | current-sense-shunt.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/current-sense-shunt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Current Sense Shunt
10 - Peter Rosin <peda@axentia.se>
13 When an io-channel measures the voltage over a current sense shunt,
14 the interesting measurement is almost always the current through the
15 shunt, not the voltage over it. This binding describes such a current
16 sense circuit.
[all …]
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| D | temperature-sense-rtd.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/temperature-sense-rtd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Temperature Sense RTD
10 - Liam Beguin <liambeguin@gmail.com>
17 When an io-channel measures the output voltage across an RTD such as a
25 T = 1 / (alpha * r0 * iexc) * (V - r0 * iexc)
30 -----
32 +---+----+
[all …]
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| D | temperature-transducer.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/temperature-transducer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Beguin <liambeguin@gmail.com>
15 voltage (like the LTC2997), and temperature to current (like the AD590)
19 When an io-channel measures the output voltage of a temperature analog front
31 The following circuits show a temperature to current and a temperature to
35 -----
37 +---+---+
[all …]
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| /Linux-v6.1/drivers/s390/block/ |
| D | dasd_3990_erp.c | 1 // SPDX-License-Identifier: GPL-2.0
10 #define KMSG_COMPONENT "dasd-eckd"
34 * 24 and 32 byte sense ERP functions
55 struct dasd_ccw_req *cqr = erp->refers; in dasd_3990_erp_cleanup()
57 dasd_free_erp_request(erp, erp->memdev); in dasd_3990_erp_cleanup()
58 cqr->status = final_status; in dasd_3990_erp_cleanup()
74 struct dasd_device *device = erp->startdev; in dasd_3990_erp_block_queue()
80 spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_block_queue()
82 spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags); in dasd_3990_erp_block_queue()
83 erp->status = DASD_CQR_FILLED; in dasd_3990_erp_block_queue()
[all …]
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| /Linux-v6.1/Documentation/hwmon/ |
| D | ltc2945.rst | 10 Addresses scanned: -
14 https://www.analog.com/media/en/technical-documentation/data-sheets/2945fb.pdf
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC2945 is a rail-to-rail system monitor that measures current, voltage,
27 -----------
37 $ echo ltc2945 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
49 Current reading provided by this driver is reported as obtained from the ADC
50 Current Sense register. The reported value assumes that a 1 mOhm sense resistor
[all …]
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| D | ltc4260.rst | 10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
27 -----------
37 $ echo ltc4260 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
49 Current reading provided by this driver is reported as obtained from the ADC
50 Current Sense register. The reported value assumes that a 1 mOhm sense resistor
51 is installed. If a different sense resistor is installed, calculate the real
52 current by dividing the reported value by the sense resistor value in mOhm.
[all …]
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| D | max16065.rst | 11 Addresses scanned: -
15 http://datasheets.maxim-ic.com/en/ds/MAX16065-MAX16066.pdf
21 Addresses scanned: -
25 http://datasheets.maxim-ic.com/en/ds/MAX16067.pdf
31 Addresses scanned: -
35 http://datasheets.maxim-ic.com/en/ds/MAX16068.pdf
41 Addresses scanned: -
45 http://datasheets.maxim-ic.com/en/ds/MAX16070-MAX16071.pdf
47 Author: Guenter Roeck <linux@roeck-us.net>
51 -----------
[all …]
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| D | ltc4261.rst | 10 Addresses scanned: -
16 Author: Guenter Roeck <linux@roeck-us.net>
20 -----------
22 The LTC4261/LTC4261-2 negative voltage Hot Swap controllers allow a board
27 -----------
37 $ echo ltc4261 0x10 > /sys/bus/i2c/devices/i2c-1/new_device
41 -------------
49 Current reading provided by this driver is reported as obtained from the ADC
50 Current Sense register. The reported value assumes that a 1 mOhm sense resistor
51 is installed. If a different sense resistor is installed, calculate the real
[all …]
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| D | ltc2990.rst | 11 Addresses scanned: -
19 - Mike Looijmans <mike.looijmans@topic.nl>
20 - Tom Levens <tom.levens@cern.ch>
24 -----------
26 LTC2990 is a Quad I2C Voltage, Current and Temperature Monitor.
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
55 curr1_input Current in mA across V1-V2 assuming a 1mOhm sense resistor
[all …]
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| D | ltc4151.rst | 10 Addresses scanned: -
20 -----------
22 The LTC4151 is a High Voltage I2C Current and Voltage Monitor.
26 -----------
36 # echo ltc4151 0x6f > /sys/bus/i2c/devices/i2c-0/new_device
40 -------------
45 Current reading provided by this driver is reported as obtained from the Current
46 Sense register. The reported value assumes that a 1 mOhm sense resistor is
54 curr1_input SENSE current (mA)
|
| /Linux-v6.1/Documentation/devicetree/bindings/iio/dac/ |
| D | adi,ad5755.yaml | 1 # 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
[all …]
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| /Linux-v6.1/drivers/hwmon/ |
| D | ltc2945.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include <linux/hwmon-sysfs.h>
84 /* current, voltage */ in ltc2945_reg_to_val()
95 * Convert to uW by assuming current is measured with in ltc2945_reg_to_val()
96 * an 1mOhm sense resistor, similar to current in ltc2945_reg_to_val()
98 * Control register bit 0 selects if voltage at SENSE+/VDD in ltc2945_reg_to_val()
134 * 25 uV resolution. Convert to current as measured with in ltc2945_reg_to_val()
135 * an 1 mOhm sense resistor, in mA. If a different sense in ltc2945_reg_to_val()
136 * resistor is installed, calculate the actual current by in ltc2945_reg_to_val()
137 * dividing the reported current by the sense resistor value in ltc2945_reg_to_val()
[all …]
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| D | ltc4260.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include <linux/hwmon-sysfs.h>
58 * 300 uV resolution. Convert to current as measured with in ltc4260_get_value()
59 * an 1 mOhm sense resistor, in mA. If a different sense in ltc4260_get_value()
60 * resistor is installed, calculate the actual current by in ltc4260_get_value()
61 * dividing the reported current by the sense resistor value in ltc4260_get_value()
67 return -EINVAL; in ltc4260_get_value()
79 value = ltc4260_get_value(dev, attr->index); in ltc4260_value_show()
97 fault &= attr->index; in ltc4260_bool_show()
99 regmap_update_bits(regmap, LTC4260_FAULT, attr->index, 0); in ltc4260_bool_show()
[all …]
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| D | ltc4222.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <linux/hwmon-sysfs.h>
74 * 62.5 uV resolution. Convert to current as measured with in ltc4222_get_value()
75 * an 1 mOhm sense resistor, in mA. If a different sense in ltc4222_get_value()
76 * resistor is installed, calculate the actual current by in ltc4222_get_value()
77 * dividing the reported current by the sense resistor value in ltc4222_get_value()
83 return -EINVAL; in ltc4222_get_value()
94 value = ltc4222_get_value(dev, attr->index); in ltc4222_value_show()
108 ret = regmap_read(regmap, attr->nr, &fault); in ltc4222_bool_show()
111 fault &= attr->index; in ltc4222_bool_show()
[all …]
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| /Linux-v6.1/Documentation/devicetree/bindings/power/supply/ |
| D | bq2415x.yaml | 1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Binding for TI bq2415x Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24150
20 - ti,bq24150a
21 - ti,bq24151
22 - ti,bq24151a
[all …]
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| D | lltc,ltc294x.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 for the charge counter and adds voltage, current and temperature monitoring.
17 - Sebastian Reichel <sre@kernel.org>
20 - $ref: power-supply.yaml#
25 - lltc,ltc2941
26 - lltc,ltc2942
27 - lltc,ltc2943
28 - lltc,ltc2944
[all …]
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| /Linux-v6.1/drivers/iio/adc/ |
| D | max9611.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Maxim max9611/max9612 high side current sense amplifier with
6 * 12-bit ADC interface.
12 * This driver supports input common-mode voltage, current-sense
16 * Op-amp, analog comparator, and watchdog functionalities are not
50 * max9611 current sense amplifier voltage output:
58 * The complete formula to calculate current sense voltage is:
59 * (((adc_read >> 4) - offset) / ((1 / LSB) * 10^-3)
73 * (((adc_read >> 4) * 1000) - offset) / (1 / 14 * 1000)
115 * max9611_mux_conf - associate ADC mux configuration with register address
[all …]
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| /Linux-v6.1/sound/soc/codecs/ |
| D | ssm4567.c | 1 // SPDX-License-Identifier: GPL-2.0-only
137 /* The datasheet states that soft reset register is read-only, in ssm4567_writeable_reg()
138 * but logically it is write-only. */ in ssm4567_writeable_reg()
158 static const DECLARE_TLV_DB_MINMAX_MUTE(ssm4567_vol_tlv, -7125, 2400);
176 SND_SOC_DAPM_SIGGEN("Sense"),
178 SND_SOC_DAPM_PGA("Current Sense", SSM4567_REG_POWER_CTRL, 4, 1, NULL, 0),
179 SND_SOC_DAPM_PGA("Voltage Sense", SSM4567_REG_POWER_CTRL, 5, 1, NULL, 0),
180 SND_SOC_DAPM_PGA("VBAT Sense", SSM4567_REG_POWER_CTRL, 6, 1, NULL, 0),
190 { "Current Sense", NULL, "Sense" },
191 { "Voltage Sense", NULL, "Sense" },
[all …]
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| /Linux-v6.1/drivers/iio/afe/ |
| D | iio-rescale.c | 1 // SPDX-License-Identifier: GPL-2.0
33 *val *= rescale->numerator; in rescale_process_scale()
34 if (rescale->denominator == 1) in rescale_process_scale()
36 *val2 = rescale->denominator; in rescale_process_scale()
44 if (!check_mul_overflow(*val, rescale->numerator, &_val) && in rescale_process_scale()
45 !check_mul_overflow(*val2, rescale->denominator, &_val2)) { in rescale_process_scale()
53 tmp = div_s64(tmp, rescale->denominator); in rescale_process_scale()
54 tmp *= rescale->numerator; in rescale_process_scale()
82 * *val = 1 and *val2 = -0.5 yields -1.5 not -0.5. in rescale_process_scale()
86 tmp = (s64)abs(*val) * abs(rescale->numerator); in rescale_process_scale()
[all …]
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
13 that handles voltage dividers, current sense shunts and
14 current sense amplifiers.
17 module will be called iio-rescale.
|
| /Linux-v6.1/Documentation/devicetree/bindings/iio/adc/ |
| D | maxim,max9611.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Maxim MAX9611 and similar current sense amplifiers with integrated ADCs
10 - Jacopo Mondi <jacopo@jmondi.org>
13 These devices combine a high-side current sense amplifier with a 12 bit ADC.
19 - maxim,max9611
20 - maxim,max9612
25 shunt-resistor-micro-ohms:
28 RS- inputs, across which the current is measured. Value needed to compute
[all …]
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| D | richtek,rtq6056.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
15 out the loading current and power.
17 The device monitors both of the drops across sense resistor and the BUS
18 voltage, converts into the current in amperes, and power in watts through
19 internal analog-to-digital converter ADC. The programmable calibration,
[all …]
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| /Linux-v6.1/Documentation/devicetree/bindings/sound/ |
| D | tas27xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2020-2022 Texas Instruments Incorporated
4 ---
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Shenghao Ding <shenghao-ding@ti.com>
14 The TAS2764/TAS2780 is a mono, digital input Class-D audio amplifier
16 loudspeakers. Integrated speaker voltage and current sense provides
22 - ti,tas2764
23 - ti,tas2780
30 reset-gpios:
[all …]
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| D | tas2770.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2019-20 Texas Instruments Incorporated
4 ---
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Shi Fu <shifu0704@thundersoft.com>
14 The TAS2770 is a mono, digital input Class-D audio amplifier optimized for
16 Integrated speaker voltage and current sense provides for
22 - ti,tas2770
29 reset-gpio:
33 shutdown-gpios:
[all …]
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