Merge tag 'iio-for-4.17a' of... (59142f80) · Commits · 戴 / test

Documentation/ABI/testing/sysfs-bus-iio-chemical-vz89x

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		What: /sys/bus/iio/devices/iio:deviceX/in_concentration_VOC_short_raw
		Date: September 2015
		KernelVersion: 4.3
		Contact: Matt Ranostay <mranostay@gmail.com>
		Contact: Matt Ranostay <matt.ranostay@konsulko.com>
		Description:
		Get the raw calibration VOC value from the sensor.
		This value has little application outside of calibration.

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		What /sys/bus/iio/devices/iio:deviceX/in_proximity_input
		Date: March 2014
		KernelVersion: 3.15
		Contact: Matt Ranostay <mranostay@gmail.com>
		Contact: Matt Ranostay <matt.ranostay@konsulko.com>
		Description:
		Get the current distance in meters of storm (1km steps)
		1000-40000 = distance in meters
		@@ -9,7 +9,7 @@ Description:
		What /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity
		Date: March 2014
		KernelVersion: 3.15
		Contact: Matt Ranostay <mranostay@gmail.com>
		Contact: Matt Ranostay <matt.ranostay@konsulko.com>
		Description:
		Show or set the gain boost of the amp, from 0-31 range.
		18 = indoors (default)

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		* X-Powers AXP ADC bindings

		Required properties:
		- compatible: should be one of:
		- "x-powers,axp209-adc",
		- "x-powers,axp221-adc",
		- "x-powers,axp813-adc",
		- #io-channel-cells: should be 1,

		Example:

		&axp22x {
		adc {
		compatible = "x-powers,axp221-adc";
		#io-channel-cells = <1>;
		};
		};

		ADC channels and their indexes per variant:

		AXP209
		------
		0 \| acin_v
		1 \| acin_i
		2 \| vbus_v
		3 \| vbus_i
		4 \| pmic_temp
		5 \| gpio0_v
		6 \| gpio1_v
		7 \| ipsout_v
		8 \| batt_v
		9 \| batt_chrg_i
		10 \| batt_dischrg_i

		AXP22x
		------
		0 \| pmic_temp
		1 \| batt_v
		2 \| batt_chrg_i
		3 \| batt_dischrg_i

		AXP813
		------
		0 \| pmic_temp
		1 \| gpio0_v
		2 \| batt_v
		3 \| batt_chrg_i
		4 \| batt_dischrg_i

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		* Analog Devices AD5272 digital potentiometer

		The node for this device must be a child node of a I2C controller, hence
		all mandatory properties for your controller must be specified. See directory:

		Documentation/devicetree/bindings/i2c

		for more details.

		Required properties:
		- compatible: Must be one of the following, depending on the model:
		adi,ad5272-020
		adi,ad5272-050
		adi,ad5272-100
		adi,ad5274-020
		adi,ad5274-100

		Optional properties:
		- reset-gpios: GPIO specification for the RESET input. This is an
		active low signal to the AD5272.

		Example:
		ad5272: potentiometer@2f {
		reg = <0x2F>;
		compatible = "adi,ad5272-020";
		reset-gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>;
		};

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		* Melexis MLX90632 contactless Infra Red temperature sensor

		Link to datasheet: https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90632

		There are various applications for the Infra Red contactless temperature sensor
		and MLX90632 is most suitable for consumer applications where measured object
		temperature is in range between -20 to 200 degrees Celsius with relative error
		of measurement below 1 degree Celsius in object temperature range for
		industrial applications. Since it can operate and measure ambient temperature
		in range of -20 to 85 degrees Celsius it is suitable also for outdoor use.

		Be aware that electronics surrounding the sensor can increase ambient
		temperature. MLX90632 can be calibrated to reduce the housing effect via
		already existing EEPROM parameters.

		Since measured object emissivity effects Infra Red energy emitted, emissivity
		should be set before requesting the object temperature.

		Required properties:
		- compatible: should be "melexis,mlx90632"
		- reg: the I2C address of the sensor (default 0x3a)

		Example:

		mlx90632@3a {
		compatible = "melexis,mlx90632";
		reg = <0x3a>;
		};