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/Linux-v6.1/Documentation/devicetree/bindings/iio/chemical/
Dsensirion,scd30.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Sensirion SCD30 carbon dioxide sensor
10 - Tomasz Duszynski <tomasz.duszynski@octakon.com>
13 Air quality sensor capable of measuring co2 concentration, temperature
19 - sensirion,scd30
27 vdd-supply: true
29 sensirion,sel-gpios:
33 sensirion,pwm-gpios:
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Dsenseair,sunrise.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Senseair Sunrise 006-0-0007 CO2 Sensor
10 - Jacopo Mondi <jacopo@jmondi.org>
13 Senseair Sunrise 006-0-0007 is a NDIR CO2 sensor. It supports I2C or UART buses
24 const: senseair,sunrise-006-0-0007
29 ndry-gpios:
34 en-gpios:
40 - compatible
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Dsensirion,scd4x.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Sensirion SCD4X carbon dioxide sensor
10 - Roan van Dijk <roan@protonic.nl>
13 Air quality sensor capable of measuring co2 concentration, temperature
19 - sensirion,scd40
20 - sensirion,scd41
28 vdd-supply: true
31 - compatible
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Datlas,sensor.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/chemical/atlas,sensor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matt Ranostay <matt.ranostay@konsulko.com>
16 http://www.atlas-scientific.com/_files/_datasheets/_oem/DO_oem_datasheet.pdf
17 http://www.atlas-scientific.com/_files/_datasheets/_oem/EC_oem_datasheet.pdf
18 http://www.atlas-scientific.com/_files/_datasheets/_oem/ORP_oem_datasheet.pdf
19 http://www.atlas-scientific.com/_files/_datasheets/_oem/pH_oem_datasheet.pdf
20 http://www.atlas-scientific.com/_files/_datasheets/_oem/RTD_oem_datasheet.pdf
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/Linux-v6.1/drivers/iio/chemical/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
18 * pH SM sensor
19 * EC SM sensor
20 * ORP SM sensor
23 module will be called atlas-ph-sensor.
31 * CO2 EZO Sensor
34 module will be called atlas-ezo-sensor.
37 tristate "Bosch Sensortec BME680 sensor driver"
43 Say yes here to build support for Bosch Sensortec BME680 sensor with
60 tristate "AMS CCS811 VOC sensor"
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Dsunrise_co2.c1 // SPDX-License-Identifier: GPL-2.0
3 * Senseair Sunrise 006-0-0007 CO2 sensor driver.
8 * - controllable EN pin
9 * - single-shot operations using the nDRY pin.
10 * - ABC/target calibration
58 return -EINVAL; in sunrise_regmap_read()
64 * Wake up sensor by sending sensor address: START, sensor address, in sunrise_regmap_read()
65 * STOP. Sensor will not ACK this byte. in sunrise_regmap_read()
70 __i2c_smbus_xfer(client->adapter, client->addr, in sunrise_regmap_read()
71 sunrise->ignore_nak ? I2C_M_IGNORE_NAK : 0, in sunrise_regmap_read()
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Datlas-ezo-sensor.c1 // SPDX-License-Identifier: GPL-2.0+
3 * atlas-ezo-sensor.c - Support for Atlas Scientific EZO sensors
20 #define ATLAS_EZO_DRV_NAME "atlas-ezo-sensor"
118 struct i2c_client *client = data->client; in atlas_ezo_read_raw()
120 if (chan->type != IIO_CONCENTRATION) in atlas_ezo_read_raw()
121 return -EINVAL; in atlas_ezo_read_raw()
128 mutex_lock(&data->lock); in atlas_ezo_read_raw()
133 mutex_unlock(&data->lock); in atlas_ezo_read_raw()
137 msleep(data->chip->delay); in atlas_ezo_read_raw()
139 tmp = i2c_master_recv(client, data->buffer, sizeof(data->buffer)); in atlas_ezo_read_raw()
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Dccs811.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ccs811.c - Support for AMS CCS811 VOC Sensor
7 * Datasheet: ams.com/content/download/951091/2269479/CCS811_DS000459_3-00.pdf
48 * Value of FW_MODE bit of STATUS register describes the sensor's state:
67 __be16 co2; member
93 .scan_index = -1,
98 .scan_index = -1,
130 * The CCS811 powers-up in boot mode. A setup write to CCS811_APP_START will
131 * transition the sensor to application mode.
146 return -EIO; in ccs811_start_sensor_application()
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Dscd30_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Sensirion SCD30 carbon dioxide sensor core driver
53 return state->command(state, cmd, arg, NULL, 0); in scd30_command_write()
61 ret = state->command(state, cmd, 0, &tmp, sizeof(tmp)); in scd30_command_read()
76 /* sensor boots up within 2 secs */ in scd30_reset()
79 * Power-on-reset causes sensor to produce some glitch on i2c bus and in scd30_reset()
93 sign = (float32 & BIT(31)) ? -1 : 1, in scd30_float_to_fp()
100 exp -= 127; in scd30_float_to_fp()
102 exp = -exp; in scd30_float_to_fp()
108 shift = 23 - exp; in scd30_float_to_fp()
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/Linux-v6.1/arch/arm/boot/dts/
Dstm32mp151a-prtt1s.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
6 /dts-v1/;
8 #include "stm32mp151a-prtt1l.dtsi"
16 phy-handle = <&phy0>;
20 pinctrl-names = "default", "sleep";
21 pinctrl-0 = <&i2c1_pins_a>;
22 pinctrl-1 = <&i2c1_sleep_pins_a>;
23 clock-frequency = <100000>;
24 /delete-property/dmas;
25 /delete-property/dma-names;
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/Linux-v6.1/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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