diff options
Diffstat (limited to 'Documentation')
18 files changed, 740 insertions, 37 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 6ad47a67521c..c551301b33f1 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -429,6 +429,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_scale +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_scale KernelVersion: 2.6.35 Contact: linux-iio@vger.kernel.org Description: @@ -1957,3 +1958,44 @@ Description: Specify the percent for light sensor relative to the channel absolute value that a data field should change before an event is generated. Units are a percentage of the prior reading. + +What: /sys/bus/iio/devices/iio:deviceX/calibration_auto_enable +Date: June 2020 +KernelVersion: 5.8 +Contact: linux-iio@vger.kernel.org +Description: + Some sensors have the ability to apply auto calibration at + runtime. For example, it may be necessary to compensate for + contaminant build-up in a measurement chamber or optical + element deterioration that would otherwise lead to sensor drift. + + Writing 1 or 0 to this attribute will respectively activate or + deactivate this auto calibration function. + + Upon reading, the current status is returned. + +What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value +Date: June 2020 +KernelVersion: 5.8 +Contact: linux-iio@vger.kernel.org +Description: + Some sensors have the ability to apply a manual calibration using + a known measurement value, perhaps obtained from an external + reference device. + + Writing a value to this function will force such a calibration + change. For the scd30 the value should be from the range + [400 1 2000]. + + Note for the scd30 that a valid value may only be obtained once + it is has been written. Until then any read back of this value + should be ignored. As for the scd4x an error will be returned + immediately if the manual calibration has failed. + +What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value_available +KernelVersion: 5.15 +Contact: linux-iio@vger.kernel.org +Description: + Available range for the forced calibration value, expressed as: + + - a range specified as "[min step max]" diff --git a/Documentation/ABI/testing/sysfs-bus-iio-chemical-sunrise-co2 b/Documentation/ABI/testing/sysfs-bus-iio-chemical-sunrise-co2 new file mode 100644 index 000000000000..ee7aeb11709b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-chemical-sunrise-co2 @@ -0,0 +1,38 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_calibration_factory +Date: August 2021 +KernelVersion: 5.16 +Contact: Jacopo Mondi <jacopo@jmondi.org> +Description: + Writing '1' triggers a 'Factory' calibration cycle. + +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_calibration_background +Date: August 2021 +KernelVersion: 5.16 +Contact: Jacopo Mondi <jacopo@jmondi.org> +Description: + Writing '1' triggers a 'Background' calibration cycle. + +What: /sys/bus/iio/devices/iio:deviceX/error_status_available +Date: August 2021 +KernelVersion: 5.16 +Contact: Jacopo Mondi <jacopo@jmondi.org> +Description: + Reading returns the list of possible chip error status. + Available options are: + - 'error_fatal': Analog front-end initialization error + - 'error_i2c': Read/write to non-existing register + - 'error_algorithm': Corrupted parameters + - 'error_calibration': Calibration has failed + - 'error_self_diagnostic': Internal interface failure + - 'error_out_of_range': Measured concentration out of scale + - 'error_memory': Error during memory operations + - 'error_no_measurement': Cleared at first measurement + - 'error_low_voltage': Sensor regulated voltage too low + - 'error_measurement_timeout': Unable to complete measurement + +What: /sys/bus/iio/devices/iio:deviceX/error_status +Date: August 2021 +KernelVersion: 5.16 +Contact: Jacopo Mondi <jacopo@jmondi.org> +Description: + Reading returns the current chip error status. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-scd30 b/Documentation/ABI/testing/sysfs-bus-iio-scd30 deleted file mode 100644 index b9712f390bec..000000000000 --- a/Documentation/ABI/testing/sysfs-bus-iio-scd30 +++ /dev/null @@ -1,34 +0,0 @@ -What: /sys/bus/iio/devices/iio:deviceX/calibration_auto_enable -Date: June 2020 -KernelVersion: 5.8 -Contact: linux-iio@vger.kernel.org -Description: - Contaminants build-up in the measurement chamber or optical - elements deterioration leads to sensor drift. - - One can compensate for sensor drift by using automatic self - calibration procedure (asc). - - Writing 1 or 0 to this attribute will respectively activate or - deactivate asc. - - Upon reading current asc status is returned. - -What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value -Date: June 2020 -KernelVersion: 5.8 -Contact: linux-iio@vger.kernel.org -Description: - Contaminants build-up in the measurement chamber or optical - elements deterioration leads to sensor drift. - - One can compensate for sensor drift by using forced - recalibration (frc). This is useful in case there's known - co2 reference available nearby the sensor. - - Picking value from the range [400 1 2000] and writing it to the - sensor will set frc. - - Upon reading current frc value is returned. Note that after - power cycling default value (i.e 400) is returned even though - internally sensor had recalibrated itself. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-temperature-max31865 b/Documentation/ABI/testing/sysfs-bus-iio-temperature-max31865 new file mode 100644 index 000000000000..4b072da92218 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-temperature-max31865 @@ -0,0 +1,20 @@ +What: /sys/bus/iio/devices/iio:deviceX/fault_ovuv +KernelVersion: 5.11 +Contact: linux-iio@vger.kernel.org +Description: + Overvoltage or Undervoltage Input fault. The internal circuitry + is protected from excessive voltages applied to the thermocouple + cables at FORCE+, FORCE2, RTDIN+ & RTDIN-. This circuitry turn + off when the input voltage is negative or greater than VDD. + + Reading returns '1' if input voltage is negative or greater + than VDD, otherwise '0'. + +What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency +KernelVersion: 5.11 +Contact: linux-iio@vger.kernel.org +Description: + Notch frequency in Hz for a noise rejection filter. Used i.e for + line noise rejection. + + Valid notch filter values are 50 Hz and 60 Hz. diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml new file mode 100644 index 000000000000..d6afc1b8c272 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl313.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/accel/adi,adxl313.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADXL313 3-Axis Digital Accelerometer + +maintainers: + - Lucas Stankus <lucas.p.stankus@gmail.com> + +description: | + Analog Devices ADXL313 3-Axis Digital Accelerometer that supports + both I2C & SPI interfaces. + https://www.analog.com/en/products/adxl313.html + +properties: + compatible: + enum: + - adi,adxl313 + + reg: + maxItems: 1 + + spi-3wire: true + + spi-max-frequency: true + + vs-supply: + description: Regulator that supplies power to the accelerometer + + vdd-supply: + description: Regulator that supplies the digital interface supply voltage + + interrupts: + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + maxItems: 2 + items: + enum: + - INT1 + - INT2 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + /* Example for a I2C device node */ + accelerometer@53 { + compatible = "adi,adxl313"; + reg = <0x53>; + interrupt-parent = <&gpio0>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "INT1"; + }; + }; + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + /* Example for a SPI device node */ + accelerometer@0 { + compatible = "adi,adxl313"; + reg = <0>; + spi-max-frequency = <5000000>; + interrupt-parent = <&gpio0>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "INT1"; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl355.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl355.yaml new file mode 100644 index 000000000000..ba54d6998f2e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl355.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/accel/adi,adxl355.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADXL355 3-Axis, Low noise MEMS Accelerometer + +maintainers: + - Puranjay Mohan <puranjay12@gmail.com> + +description: | + Analog Devices ADXL355 3-Axis, Low noise MEMS Accelerometer that supports + both I2C & SPI interfaces + https://www.analog.com/en/products/adxl355.html + +properties: + compatible: + enum: + - adi,adxl355 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 3 + description: | + Type for DRDY should be IRQ_TYPE_EDGE_RISING. + Three configurable interrupt lines exist. + + interrupt-names: + description: Specify which interrupt line is in use. + items: + enum: + - INT1 + - INT2 + - DRDY + minItems: 1 + maxItems: 3 + + vdd-supply: + description: Regulator that provides power to the sensor + + vddio-supply: + description: Regulator that provides power to the bus + + spi-max-frequency: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + /* Example for a I2C device node */ + accelerometer@1d { + compatible = "adi,adxl355"; + reg = <0x1d>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "DRDY"; + }; + }; + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + accelerometer@0 { + compatible = "adi,adxl355"; + reg = <0>; + spi-max-frequency = <1000000>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "DRDY"; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.yaml b/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.yaml index 52fa0f7c2d0e..714e48e613de 100644 --- a/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.yaml +++ b/Documentation/devicetree/bindings/iio/accel/kionix,kxcjk1013.yaml @@ -21,6 +21,9 @@ properties: reg: maxItems: 1 + interrupts: + maxItems: 1 + vdd-supply: true vddio-supply: true diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml index 9b56bd4d5510..0b10ed5f74ae 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml @@ -26,19 +26,43 @@ properties: reg: maxItems: 1 + vrefin-supply: + description: + Buffered ADC reference voltage supply. + vref-supply: description: - ADC reference voltage supply + Unbuffered ADC reference voltage supply. + + adi,internal-ref-microvolt: + description: | + Internal reference voltage selection in microvolts. + + If no internal reference is specified, the channel will default to the + external reference defined by vrefin-supply (or vref-supply). + vrefin-supply will take precedence over vref-supply if both are defined. + + If no supplies are defined, the reference selection will default to + 4096mV internal reference. + + enum: [2500000, 4096000] + default: 4096000 + spi-max-frequency: true - "#io-channel-cells": + '#io-channel-cells': const: 1 + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + required: - compatible - reg - - vref-supply additionalProperties: false @@ -49,9 +73,30 @@ examples: #size-cells = <0>; adc@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "adi,ad7949"; reg = <0>; vref-supply = <&vdd_supply>; }; + + adc@1 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ad7949"; + reg = <1>; + vrefin-supply = <&vdd_supply>; + }; + + adc@2 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ad7949"; + reg = <2>; + adi,internal-ref-microvolt = <4096000>; + }; }; ... diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml new file mode 100644 index 000000000000..29641ce7175b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad799x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD799x analog to digital converters + +maintainers: + - Michael Hennerich <Michael.Hennerich@analog.com> + +description: | + Support for Analog Devices AD7991, AD7992, AD7993, AD7994, AD7995, AD7997, AD7998, + AD7999 and similar analog to digital converters. + Specifications on the converters can be found at: + AD7991, AD7995, AD7999: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7991_7995_7999.pdf + AD7992: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7992.pdf + AD7993, AD7994: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7993_7994.pdf + AD7997, AD7998: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7997_7998.pdf + +properties: + compatible: + enum: + - adi,ad7991 + - adi,ad7992 + - adi,ad7993 + - adi,ad7994 + - adi,ad7995 + - adi,ad7997 + - adi,ad7998 + - adi,ad7999 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vcc-supply: + description: + ADC power supply + + vref-supply: + description: + ADC reference voltage supply, optional for AD7991, AD7995 and AD7999 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc1: adc@28 { + reg = <0x28>; + compatible = "adi,ad7991"; + interrupts = <13 2>; + interrupt-parent = <&gpio6>; + + vcc-supply = <&vcc_3v3>; + vref-supply = <&adc_vref>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml new file mode 100644 index 000000000000..b283c8ca2bbf --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/aspeed,ast2600-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC that forms part of an ASPEED server management processor. + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + • 10-bits resolution for 16 voltage channels. + • The device split into two individual engine and each contains 8 voltage + channels. + • Channel scanning can be non-continuous. + • Programmable ADC clock frequency. + • Programmable upper and lower threshold for each channels. + • Interrupt when larger or less than threshold for each channels. + • Support hysteresis for each channels. + • Built-in a compensating method. + • Built-in a register to trim internal reference voltage. + • Internal or External reference voltage. + • Support 2 Internal reference voltage 1.2v or 2.5v. + • Integrate dividing circuit for battery sensing. + +properties: + compatible: + enum: + - aspeed,ast2600-adc0 + - aspeed,ast2600-adc1 + description: + Their trimming data, which is used to calibrate internal reference volage, + locates in different address of OTP. + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + description: + Input clock used to derive the sample clock. Expected to be the + SoC's APB clock. + + resets: + maxItems: 1 + + "#io-channel-cells": + const: 1 + + vref-supply: + description: + The external regulator supply ADC reference voltage. + + aspeed,int-vref-microvolt: + enum: [1200000, 2500000] + description: + ADC internal reference voltage in microvolts. + + aspeed,battery-sensing: + type: boolean + description: + Inform the driver that last channel will be used to sensor battery. + + aspeed,trim-data-valid: + type: boolean + description: | + The ADC reference voltage can be calibrated to obtain the trimming + data which will be stored in otp. This property informs the driver that + the data store in the otp is valid. + +required: + - compatible + - reg + - clocks + - resets + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ast2600-clock.h> + adc0: adc@1e6e9000 { + compatible = "aspeed,ast2600-adc0"; + reg = <0x1e6e9000 0x100>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_ADC>; + #io-channel-cells = <1>; + aspeed,int-vref-microvolt = <2500000>; + }; + adc1: adc@1e6e9100 { + compatible = "aspeed,ast2600-adc1"; + reg = <0x1e6e9100 0x100>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_ADC>; + #io-channel-cells = <1>; + aspeed,int-vref-microvolt = <2500000>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/atmel,sama5d2-adc.yaml b/Documentation/devicetree/bindings/iio/adc/atmel,sama5d2-adc.yaml index 79c13b408eda..efed361215b4 100644 --- a/Documentation/devicetree/bindings/iio/adc/atmel,sama5d2-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/atmel,sama5d2-adc.yaml @@ -15,6 +15,7 @@ properties: enum: - atmel,sama5d2-adc - microchip,sam9x60-adc + - microchip,sama7g5-adc reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml new file mode 100644 index 000000000000..9c59a20a6032 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nxp,imx8qxp-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP IMX8QXP ADC bindings + +maintainers: + - Cai Huoqing <caihuoqing@baidu.com> + +description: + Supports the ADC found on the IMX8QXP SoC. + +properties: + compatible: + const: nxp,imx8qxp-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: per + - const: ipg + + assigned-clocks: + maxItems: 1 + + assigned-clock-rates: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - assigned-clocks + - assigned-clock-rates + - power-domains + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/firmware/imx/rsrc.h> + soc { + #address-cells = <2>; + #size-cells = <2>; + adc@5a880000 { + compatible = "nxp,imx8qxp-adc"; + reg = <0x0 0x5a880000 0x0 0x10000>; + interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk IMX_SC_R_ADC_0>, + <&clk IMX_SC_R_ADC_0>; + clock-names = "per", "ipg"; + assigned-clocks = <&clk IMX_SC_R_ADC_0>; + assigned-clock-rates = <24000000>; + power-domains = <&pd IMX_SC_R_ADC_0>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml b/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml new file mode 100644 index 000000000000..337fe09e4bb8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/chemical/senseair,sunrise.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Senseair Sunrise 006-0-0007 CO2 Sensor + +maintainers: + - Jacopo Mondi <jacopo@jmondi.org> + +description: | + Senseair Sunrise 006-0-0007 is a NDIR CO2 sensor. It supports I2C or UART buses + for communications and control. + + Datasheets: + https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/PSP11704.pdf + https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/PSH11649.pdf + https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/TDE5531.pdf + https://rmtplusstoragesenseair.blob.core.windows.net/docs/Market/publicerat/TDE7318.pdf + +properties: + compatible: + const: senseair,sunrise-006-0-0007 + + reg: + maxItems: 1 + + ndry-gpios: + maxItems: 1 + description: + Phandle to the GPIO line connected to the nDRY pin. Typically active low. + + en-gpios: + maxItems: 1 + description: + Phandle to the GPIO line connected to the EN pin. Typically active high. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + co2-sensor@68 { + compatible = "senseair,sunrise-006-0-0007"; + reg = <0x68>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml new file mode 100644 index 000000000000..798f48d05279 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/chemical/sensirion,scd4x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sensirion SCD4X carbon dioxide sensor + +maintainers: + - Roan van Dijk <roan@protonic.nl> + +description: | + Air quality sensor capable of measuring co2 concentration, temperature + and relative humidity. + +properties: + compatible: + enum: + - sensirion,scd40 + - sensirion,scd41 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vdd-supply: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + co2-sensor@62 { + compatible = "sensirion,scd41"; + reg = <0x62>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml index a0a1ffe017df..9790f75fc669 100644 --- a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml +++ b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml @@ -17,11 +17,13 @@ properties: - asahi-kasei,ak8963 - asahi-kasei,ak09911 - asahi-kasei,ak09912 + - asahi-kasei,ak09916 - enum: - ak8975 - ak8963 - ak09911 - ak09912 + - ak09916 deprecated: true reg: @@ -43,6 +45,11 @@ properties: an optional regulator that needs to be on to provide VDD power to the sensor. + vid-supply: + description: | + an optional regulator that needs to be on to provide VID power to + the sensor. + mount-matrix: description: an optional 3x3 mounting rotation matrix. diff --git a/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml b/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml new file mode 100644 index 000000000000..aafb33b16549 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/maxim,max31865.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/temperature/maxim,max31865.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX31865 Resistance Temperature Detector. + +maintainers: + - Navin Sankar Velliangiri <navin@linumiz.com> + +description: | + https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf + +properties: + compatible: + const: maxim,max31865 + + reg: + maxItems: 1 + + maxim,3-wire: + description: + Identifies the number of wires used by the RTD. Setting this property + enables 3-wire RTD connection. Else 2-wire or 4-wire RTD connection. + type: boolean + + spi-max-frequency: true + spi-cpha: true + +required: + - compatible + - reg + - spi-cpha + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + temp_sensor@0 { + compatible = "maxim,max31865"; + reg = <0>; + spi-max-frequency = <400000>; + spi-cpha; + maxim,3-wire; + }; + }; +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index a867f7102c35..42b529a8e5db 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1018,6 +1018,8 @@ patternProperties: description: Shenzhen SEI Robotics Co., Ltd "^semtech,.*": description: Semtech Corporation + "^senseair,.*": + description: Senseair AB "^sensirion,.*": description: Sensirion AG "^sensortek,.*": diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 650096523f4f..148e19381b79 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -287,6 +287,7 @@ IIO devm_iio_device_register() devm_iio_dmaengine_buffer_setup() devm_iio_kfifo_buffer_setup() + devm_iio_map_array_register() devm_iio_triggered_buffer_setup() devm_iio_trigger_alloc() devm_iio_trigger_register() |