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/openbmc/linux/drivers/iio/pressure/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Pressure drivers
7 menu "Pressure sensors"
10 tristate "Honeywell ABP pressure sensor driver"
13 Say yes here to build support for the Honeywell ABP pressure
14 sensors.
20 tristate "Bosch Sensortec BMP180/BMP280/BMP380/BMP580 pressure sensor driver"
27 and BMP580 pressure and temperature sensors. Also supports the BME280 with
31 will be called bmp280 and you will also get bmp280-i2c for I2C
32 and/or bmp280-spi for SPI support.
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H A Dmprls0025pa.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
5 * Copyright (c) Andreas Klinger <ak@it-klinger.de>
8 * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/
9 * products/sensors/pressure-sensors/board-mount-pressure-sensors/
10 * micropressure-mpr-series/documents/
11 * sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
13 * 7-bit I2C default slave address: 0x18
46 * pressure = (press_cnt - outputmin) * scale + pmin
48 * * pressure - measured pressure in Pascal
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H A Ddlhl60d.c1 // SPDX-License-Identifier: GPL-2.0
3 * All Sensors DLH series low voltage digital pressure sensors
8 * Datasheet: https://www.allsensors.com/cad/DS-0355_Rev_B.PDF
69 ret = i2c_smbus_write_byte(st->client, DLH_START_SINGLE); in dlh_cmd_start_single()
71 dev_err(&st->client->dev, in dlh_cmd_start_single()
81 ret = i2c_master_recv(st->client, st->rx_buf, DLH_NUM_READ_BYTES); in dlh_cmd_read_data()
83 dev_err(&st->client->dev, in dlh_cmd_read_data()
88 if (st->rx_buf[0] != DLH_STATUS_OK) { in dlh_cmd_read_data()
89 dev_err(&st->client->dev, in dlh_cmd_read_data()
90 "%s: invalid status 0x%02x\n", __func__, st->rx_buf[0]); in dlh_cmd_read_data()
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H A Dmpl115_i2c.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Freescale MPL115A2 pressure/temperature sensor
7 * (7-bit I2C slave address 0x60)
9 * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf
41 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) in mpl115_i2c_probe()
42 return -EOPNOTSUPP; in mpl115_i2c_probe()
44 return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops); in mpl115_i2c_probe()
64 MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");
H A Dmpl115_spi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Freescale MPL115A1 pressure/temperature sensor
7 * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A1.pdf
30 return -ENOMEM; in mpl115_spi_init()
42 .tx_buf = buf->tx, in mpl115_spi_read()
43 .rx_buf = buf->rx, in mpl115_spi_read()
48 buf->tx[0] = MPL115_SPI_READ(address); in mpl115_spi_read()
49 buf->tx[2] = MPL115_SPI_READ(address + 1); in mpl115_spi_read()
55 return (buf->rx[1] << 8) | buf->rx[3]; in mpl115_spi_read()
63 .tx_buf = buf->tx, in mpl115_spi_write()
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/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Sensor/
H A DValue.interface.yaml3 must be instantiated in the correct hierarchy within the sensors
13 pressure
19 org.freedesktop.DBus.ObjectManager on /xyz/openbmc_project/sensors.
21 All Sensor.Value properties are read-only.
24 - name: Value
28 - name: MaxValue
33 - name: MinValue
35 default: -infinity
38 - name: Unit
48 be "Watts". For objects in the pressure namespace, Unit must be
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/openbmc/linux/Documentation/devicetree/bindings/iio/pressure/
H A Dasc,dlhl60d.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/pressure/asc,dlhl60d.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: All Sensors DLH series low voltage digital pressure sensors
10 - Jonathan Cameron <jic23@kernel.org>
13 Bindings for the All Sensors DLH series pressure sensors.
15 Specifications about the sensors can be found at:
16 https://www.allsensors.com/cad/DS-0355_Rev_B.PDF
21 - asc,dlhl60d
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H A Dhoneywell,mprls0025pa.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/pressure/honeywell,mprls0025pa.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Honeywell mprls0025pa pressure sensor
10 - Andreas Klinger <ak@it-klinger.de>
13 Honeywell pressure sensor of model mprls0025pa.
18 There are many models with different pressure ranges available. The vendor
20 differ in the pressure range, unit and transfer function.
22 To support different models one need to specify the pressure range as well as
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H A Dmeas,ms5611.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/pressure/meas,ms5611.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Measurement Specialities ms5611 and similar pressure sensors
10 - Tomasz Duszynski <tduszyns@gmail.com>
13 Pressure sensors from MEAS Switzerland with SPI and I2C bus interfaces.
18 - meas,ms5607
19 - meas,ms5611
24 vdd-supply: true
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H A Dbmp085.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/iio/pressure/bmp085.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: BMP085/BMP180/BMP280/BME280/BMP380 pressure iio sensors
10 - Andreas Klinger <ak@it-klinger.de>
13 Pressure, temperature and humidity iio sensors with i2c and spi interfaces
16 https://www.bosch-sensortec.com/bst/products/all_products/bmp180
17 https://www.bosch-sensortec.com/bst/products/all_products/bmp280
18 https://www.bosch-sensortec.com/bst/products/all_products/bme280
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H A Dhoperf,hp03.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/pressure/hoperf,hp03.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: HopeRF HP03 digital pressure/temperature sensors
10 - Marek Vasut <marex@denx.de>
13 Digital pressure and temperature sensor with an I2C interface.
22 xclr-gpios:
30 - compatible
31 - reg
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/openbmc/linux/Documentation/hwmon/
H A Daquacomputer_d5next.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
3 Kernel driver aquacomputer-d5next
23 -----------
25 This driver exposes hardware sensors of listed Aquacomputer devices, which
29 virtual temperature sensors, as well as two flow sensors. The fans expose their
33 For the D5 Next pump, available sensors are pump and fan speed, power, voltage
34 and current, as well as coolant temperature and eight virtual temp sensors. Also
35 available through debugfs are the serial number, firmware version and power-on
37 temperature curves directly from the pump. If it's not connected, the fan-related
38 sensors will report zeroes.
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/openbmc/bmcweb/redfish-core/schema/dmtf/json-schema-installed/
H A DSensor.v1_11_0.json4 "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
5 …"copyright": "Copyright 2014-2025 DMTF. For the full DMTF copyright policy, see http://www.dmtf.or…
12 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
34 "description": "The available OEM-specific actions for this resource.",
35 …"longDescription": "This property shall contain the available OEM-specific actions for this resour…
49 …obtained by applying a calculation on one or more properties or multiple sensors. The calculation…
56 …"longDescription": "This Redfish Specification-described type shall contain links to resources tha…
58 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
83 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
88 …operties contained in this object shall conform to the Redfish Specification-described requirement…
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/openbmc/bmcweb/redfish-core/schema/dmtf/json-schema/
H A DSensor.v1_11_0.json4 "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
5 …"copyright": "Copyright 2014-2025 DMTF. For the full DMTF copyright policy, see http://www.dmtf.or…
12 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
34 "description": "The available OEM-specific actions for this resource.",
35 …"longDescription": "This property shall contain the available OEM-specific actions for this resour…
49 …obtained by applying a calculation on one or more properties or multiple sensors. The calculation…
56 …"longDescription": "This Redfish Specification-described type shall contain links to resources tha…
58 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
83 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
88 …operties contained in this object shall conform to the Redfish Specification-described requirement…
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H A DControl.v1_7_0.json4 "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
5 …"copyright": "Copyright 2014-2025 DMTF. For the full DMTF copyright policy, see http://www.dmtf.or…
12 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
31 "description": "The available OEM-specific actions for this resource.",
32 …"longDescription": "This property shall contain the available OEM-specific actions for this resour…
42 "^([a-zA-Z_][a-zA-Z0-9_]*)?@(odata|Redfish|Message)\\.[a-zA-Z_][a-zA-Z0-9_]*$": {
57 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/context"
60 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/etag"
63 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/id"
66 "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/type"
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/openbmc/linux/Documentation/devicetree/bindings/
H A Dtrivial-devices.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/trivial-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
27 spi-max-frequency: true
31 - enum:
33 - acbel,fsg032
34 … # SMBus/I2C Digital Temperature Sensor in 6-Pin SOT with SMBus Alert and Over Temperature Pin
35 - ad,ad7414
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/openbmc/linux/Documentation/driver-api/iio/
H A Dintro.rst9 analog-to-digital conversion (ADC) or digital-to-analog conversion (DAC)
12 sensors used to monitor and control the system itself, like fan speed control
25 * color and light sensors
27 * pressure sensors
28 * proximity sensors
29 * temperature sensors
31 Usually these sensors are connected via :doc:`SPI <../spi>` or
32 :doc:`I2C <../i2c>`. A common use case of the sensors devices is to have
/openbmc/linux/include/linux/platform_data/
H A Dst_sensors_pdata.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * STMicroelectronics sensors platform-data driver
14 * struct st_sensors_platform_data - Platform data for the ST sensors
16 * Available only for accelerometer, magnetometer and pressure sensors.
20 * @spi_3wire: enable spi-3wire mode.
/openbmc/dbus-sensors/src/hwmon-temp/
H A DHwmonTempMain.cpp8 // http://www.apache.org/licenses/LICENSE-2.0
29 #include <phosphor-logging/lg2.hpp>
30 #include <phosphor-logging/lg2/flags.hpp>
63 static constexpr double minValueTemperature = -128; // DegreesC
107 // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ in getSensorParameters()
116 // For IIO RAW sensors we get a raw_value, an offset, and scale in getSensorParameters()
121 // units that have yet to be scaled for D-Bus. in getSensorParameters()
126 pathStr.substr(0, pathStr.size() - 4) + "_offset"; in getSensorParameters()
130 // https://lore.kernel.org/linux-iio/5c79425f-6e88-36b6-cdfe-4080738d039f@metafoo.de/ in getSensorParameters()
137 pathStr.substr(0, pathStr.size() - 4) + "_scale"; in getSensorParameters()
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/openbmc/linux/drivers/iio/humidity/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
5 menu "Humidity sensors"
20 tristate "DHT11 (and compatible sensors) driver"
25 Other sensors should work as well as long as they speak the
36 humidity and temperature sensors.
46 HDC2010 and HDC2080 relative humidity and temperature sensors.
62 will be called hid-sensor-humidity.
73 temperature-humidity sensor
95 This driver is also used for MS8607 temperature, pressure & humidity
113 tristate "Si7013/20/21 Relative Humidity and Temperature Sensors"
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/openbmc/linux/drivers/iio/chemical/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Chemical sensors
6 menu "Chemical Sensors"
9 tristate "Atlas Scientific OEM SM sensors"
17 Atlas Scientific OEM SM sensors:
23 module will be called atlas-ph-sensor.
26 tristate "Atlas Scientific EZO sensors"
30 Atlas Scientific EZO sensors
34 module will be called atlas-ezo-sensor.
44 temperature, pressure, humidity and gas sensing capability.
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/openbmc/qemu/hw/sensor/
H A Ddps310.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2017-2021 Joel Stanley <joel@jms.id.au>, IBM Corporation
7 * https://www.infineon.com/cms/en/product/sensor/pressure-sensors/pressure-sensors-for-iot/dps310/
63 static const uint8_t regs_reset_state[sizeof(s->regs)] = { in dps310_reset()
71 memcpy(s->regs, regs_reset_state, sizeof(s->regs)); in dps310_reset()
72 s->pointer = 0; in dps310_reset()
75 s->regs[DPS310_MEAS_CFG] = DPS310_COEF_RDY | DPS310_SENSOR_RDY in dps310_reset()
81 if (reg >= sizeof(s->regs)) { in dps310_read()
83 __func__, s->pointer); in dps310_read()
101 return s->regs[reg]; in dps310_read()
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/openbmc/linux/Documentation/devicetree/bindings/iio/
H A Dst,st-sensors.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/st,st-sensors.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics MEMS sensors
9 description: The STMicroelectronics sensor devices are pretty straight-forward
12 Note that whilst this covers many STMicro MEMs sensors, some more complex
16 - Denis Ciocca <denis.ciocca@st.com>
17 - Linus Walleij <linus.walleij@linaro.org>
22 - description: STMicroelectronics Accelerometers
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/openbmc/bmcweb/redfish-core/schema/dmtf/installed/
H A DSensor_v1.xml1 <?xml version="1.0" encoding="UTF-8"?>
2 <!---->
3 <!--################################################################################ -->
4 <!--# Redfish Schema: Sensor v1.11.0 -->
5 <!--# -->
6 <!--# For a detailed change log, see the README file contained in the DSP8010 bundle, -->
7 <!--# available at http://www.dmtf.org/standards/redfish -->
8 <!--# Copyright 2014-2025 DMTF. -->
9 <!--# For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright -->
10 <!--################################################################################ -->
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/openbmc/bmcweb/redfish-core/schema/dmtf/csdl/
H A DSensor_v1.xml1 <?xml version="1.0" encoding="UTF-8"?>
2 <!---->
3 <!--################################################################################ -->
4 <!--# Redfish Schema: Sensor v1.11.0 -->
5 <!--# -->
6 <!--# For a detailed change log, see the README file contained in the DSP8010 bundle, -->
7 <!--# available at http://www.dmtf.org/standards/redfish -->
8 <!--# Copyright 2014-2025 DMTF. -->
9 <!--# For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright -->
10 <!--################################################################################ -->
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