diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
25 files changed, 515 insertions, 26 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl372.txt b/Documentation/devicetree/bindings/iio/accel/adxl372.txt new file mode 100644 index 000000000000..a289964756a7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/adxl372.txt @@ -0,0 +1,33 @@ +Analog Devices ADXL372 3-Axis, +/-(200g) Digital Accelerometer + +http://www.analog.com/media/en/technical-documentation/data-sheets/adxl372.pdf + +Required properties: + - compatible : should be "adi,adxl372" + - reg: the I2C address or SPI chip select number for the device + +Required properties for SPI bus usage: + - spi-max-frequency: Max SPI frequency to use + +Optional properties: + - interrupts: interrupt mapping for IRQ as documented in + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + +Example for a I2C device node: + + accelerometer@53 { + compatible = "adi,adxl372"; + reg = <0x53>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_FALLING>; + }; + +Example for a SPI device node: + + accelerometer@0 { + compatible = "adi,adxl372"; + reg = <0>; + spi-max-frequency = <1000000>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_FALLING>; + }; diff --git a/Documentation/devicetree/bindings/iio/accel/lis302.txt b/Documentation/devicetree/bindings/iio/accel/lis302.txt index dfdce67826ba..764e28ec1a0a 100644 --- a/Documentation/devicetree/bindings/iio/accel/lis302.txt +++ b/Documentation/devicetree/bindings/iio/accel/lis302.txt @@ -64,7 +64,7 @@ Optional properties for all bus drivers: Example for a SPI device node: - lis302@0 { + accelerometer@0 { compatible = "st,lis302dl-spi"; reg = <0>; spi-max-frequency = <1000000>; @@ -89,7 +89,7 @@ Example for a SPI device node: Example for a I2C device node: - lis331dlh: lis331dlh@18 { + lis331dlh: accelerometer@18 { compatible = "st,lis331dlh", "st,lis3lv02d"; reg = <0x18>; Vdd-supply = <&lis3_reg>; diff --git a/Documentation/devicetree/bindings/iio/adc/ad7949.txt b/Documentation/devicetree/bindings/iio/adc/ad7949.txt new file mode 100644 index 000000000000..c7f5057356b1 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ad7949.txt @@ -0,0 +1,16 @@ +* Analog Devices AD7949/AD7682/AD7689 + +Required properties: + - compatible: Should be one of + * "adi,ad7949" + * "adi,ad7682" + * "adi,ad7689" + - reg: spi chip select number for the device + - vref-supply: The regulator supply for ADC reference voltage + +Example: +adc@0 { + compatible = "adi,ad7949"; + reg = <0>; + vref-supply = <&vdd_supply>; +}; diff --git a/Documentation/devicetree/bindings/iio/adc/adc.txt b/Documentation/devicetree/bindings/iio/adc/adc.txt new file mode 100644 index 000000000000..5bbaa330a250 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adc.txt @@ -0,0 +1,23 @@ +Common ADCs properties + +Optional properties for child nodes: +- bipolar : Boolean, if set the channel is used in bipolar mode. +- diff-channels : Differential channels muxed for this ADC. The first value + specifies the positive input pin, the second value the negative + input pin. + +Example: + adc@0 { + compatible = "some,adc"; + ... + channel@0 { + bipolar; + diff-channels = <0 1>; + ... + }; + + channel@1 { + diff-channels = <2 3>; + ... + }; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt new file mode 100644 index 000000000000..416273dce569 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt @@ -0,0 +1,75 @@ +Analog Devices AD7124 ADC device driver + +Required properties for the AD7124: + - compatible: Must be one of "adi,ad7124-4" or "adi,ad7124-8" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use + see: Documentation/devicetree/bindings/spi/spi-bus.txt + - clocks: phandle to the master clock (mclk) + see: Documentation/devicetree/bindings/clock/clock-bindings.txt + - clock-names: Must be "mclk". + - interrupts: IRQ line for the ADC + see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + + Required properties: + * #address-cells: Must be 1. + * #size-cells: Must be 0. + + Subnode(s) represent the external channels which are connected to the ADC. + Each subnode represents one channel and has the following properties: + Required properties: + * reg: The channel number. It can have up to 4 channels on ad7124-4 + and 8 channels on ad7124-8, numbered from 0 to 15. + * diff-channels: see: Documentation/devicetree/bindings/iio/adc/adc.txt + + Optional properties: + * bipolar: see: Documentation/devicetree/bindings/iio/adc/adc.txt + * adi,reference-select: Select the reference source to use when + converting on the the specific channel. Valid values are: + 0: REFIN1(+)/REFIN1(−). + 1: REFIN2(+)/REFIN2(−). + 3: AVDD + If this field is left empty, internal reference is selected. + +Optional properties: + - refin1-supply: refin1 supply can be used as reference for conversion. + - refin2-supply: refin2 supply can be used as reference for conversion. + - avdd-supply: avdd supply can be used as reference for conversion. + +Example: + adc@0 { + compatible = "adi,ad7124-4"; + reg = <0>; + spi-max-frequency = <5000000>; + interrupts = <25 2>; + interrupt-parent = <&gpio>; + refin1-supply = <&adc_vref>; + clocks = <&ad7124_mclk>; + clock-names = "mclk"; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + diff-channels = <0 1>; + adi,reference-select = <0>; + }; + + channel@1 { + reg = <1>; + bipolar; + diff-channels = <2 3>; + adi,reference-select = <0>; + }; + + channel@2 { + reg = <2>; + diff-channels = <4 5>; + }; + + channel@3 { + reg = <3>; + diff-channels = <6 7>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt index 54b823f3a453..325090e43ce6 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt @@ -22,6 +22,12 @@ Required properties: - vref-supply: the regulator supply for the ADC reference voltage - #io-channel-cells: must be 1, see ../iio-bindings.txt +Optional properties: +- nvmem-cells: phandle to the temperature_calib eFuse cells +- nvmem-cell-names: if present (to enable the temperature sensor + calibration) this must contain "temperature_calib" + + Example: saradc: adc@8680 { compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc"; diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt new file mode 100644 index 000000000000..3071f48fb30b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt @@ -0,0 +1,30 @@ +* Microchip MCP3911 Dual channel analog front end (ADC) + +Required properties: + - compatible: Should be "microchip,mcp3911" + - reg: SPI chip select number for the device + +Recommended properties: + - spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt. + Max frequency for this chip is 20MHz. + +Optional properties: + - clocks: Phandle and clock identifier for sampling clock + - interrupt-parent: Phandle to the parent interrupt controller + - interrupts: IRQ line for the ADC + - microchip,device-addr: Device address when multiple MCP3911 chips are present on the + same SPI bus. Valid values are 0-3. Defaults to 0. + - vref-supply: Phandle to the external reference voltage supply. + +Example: +adc@0 { + compatible = "microchip,mcp3911"; + reg = <0>; + interrupt-parent = <&gpio5>; + interrupts = <15 IRQ_TYPE_EDGE_RISING>; + spi-max-frequency = <20000000>; + microchip,device-addr = <0>; + vref-supply = <&vref_reg>; + clocks = <&xtal>; +}; diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt index 0fb46137f936..c81993f8d8c3 100644 --- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt @@ -1,7 +1,9 @@ -Qualcomm's SPMI PMIC voltage ADC +Qualcomm's SPMI PMIC ADC -SPMI PMIC voltage ADC (VADC) provides interface to clients to read -voltage. The VADC is a 15-bit sigma-delta ADC. +- SPMI PMIC voltage ADC (VADC) provides interface to clients to read + voltage. The VADC is a 15-bit sigma-delta ADC. +- SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read + voltage. The VADC is a 16-bit sigma-delta ADC. VADC node: @@ -9,11 +11,13 @@ VADC node: Usage: required Value type: <string> Definition: Should contain "qcom,spmi-vadc". + Should contain "qcom,spmi-adc5" for PMIC5 ADC driver. + Should contain "qcom,spmi-adc-rev2" for PMIC rev2 ADC driver. - reg: Usage: required Value type: <prop-encoded-array> - Definition: VADC base address and length in the SPMI PMIC register map. + Definition: VADC base address in the SPMI PMIC register map. - #address-cells: Usage: required @@ -45,13 +49,26 @@ Channel node properties: Definition: ADC channel number. See include/dt-bindings/iio/qcom,spmi-vadc.h +- label: + Usage: required for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2" + Value type: <empty> + Definition: ADC input of the platform as seen in the schematics. + For thermistor inputs connected to generic AMUX or GPIO inputs + these can vary across platform for the same pins. Hence select + the platform schematics name for this channel. + - qcom,decimation: Usage: optional Value type: <u32> Definition: This parameter is used to decrease ADC sampling rate. Quicker measurements can be made by reducing decimation ratio. - Valid values are 512, 1024, 2048, 4096. - If property is not found, default value of 512 will be used. + - For compatible property "qcom,spmi-vadc", valid values are + 512, 1024, 2048, 4096. If property is not found, default value + of 512 will be used. + - For compatible property "qcom,spmi-adc5", valid values are 250, 420 + and 840. If property is not found, default value of 840 is used. + - For compatible property "qcom,spmi-adc-rev2", valid values are 256, + 512 and 1024. If property is not present, default value is 1024. - qcom,pre-scaling: Usage: optional @@ -66,21 +83,38 @@ Channel node properties: - qcom,ratiometric: Usage: optional Value type: <empty> - Definition: Channel calibration type. If this property is specified - VADC will use the VDD reference (1.8V) and GND for channel - calibration. If property is not found, channel will be - calibrated with 0.625V and 1.25V reference channels, also - known as absolute calibration. + Definition: Channel calibration type. + - For compatible property "qcom,spmi-vadc", if this property is + specified VADC will use the VDD reference (1.8V) and GND for + channel calibration. If property is not found, channel will be + calibrated with 0.625V and 1.25V reference channels, also + known as absolute calibration. + - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2", + if this property is specified VADC will use the VDD reference + (1.875V) and GND for channel calibration. If property is not found, + channel will be calibrated with 0V and 1.25V reference channels, + also known as absolute calibration. - qcom,hw-settle-time: Usage: optional Value type: <u32> Definition: Time between AMUX getting configured and the ADC starting - conversion. Delay = 100us * (value) for value < 11, and - 2ms * (value - 10) otherwise. - Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800, - 900 us and 1, 2, 4, 6, 8, 10 ms - If property is not found, channel will use 0us. + conversion. The 'hw_settle_time' is an index used from valid values + and programmed in hardware to achieve the hardware settling delay. + - For compatible property "qcom,spmi-vadc" and "qcom,spmi-adc-rev2", + Delay = 100us * (hw_settle_time) for hw_settle_time < 11, + and 2ms * (hw_settle_time - 10) otherwise. + Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800, + 900 us and 1, 2, 4, 6, 8, 10 ms. + If property is not found, channel will use 0us. + - For compatible property "qcom,spmi-adc5", delay = 15us for + value 0, 100us * (value) for values < 11, + and 2ms * (value - 10) otherwise. + Valid values are: 15, 100, 200, 300, 400, 500, 600, 700, 800, + 900 us and 1, 2, 4, 6, 8, 10 ms + Certain controller digital versions have valid values of + 15, 100, 200, 300, 400, 500, 600, 700, 1, 2, 4, 8, 16, 32, 64, 128 ms + If property is not found, channel will use 15us. - qcom,avg-samples: Usage: optional @@ -89,22 +123,31 @@ Channel node properties: Averaging provides the option to obtain a single measurement from the ADC that is an average of multiple samples. The value selected is 2^(value). - Valid values are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 - If property is not found, 1 sample will be used. + - For compatible property "qcom,spmi-vadc", valid values + are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 + If property is not found, 1 sample will be used. + - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2", + valid values are: 1, 2, 4, 8, 16 + If property is not found, 1 sample will be used. NOTE: -Following channels, also known as reference point channels, are used for -result calibration and their channel configuration nodes should be defined: +For compatible property "qcom,spmi-vadc" following channels, also known as +reference point channels, are used for result calibration and their channel +configuration nodes should be defined: VADC_REF_625MV and/or VADC_SPARE1(based on PMIC version) VADC_REF_1250MV, VADC_GND_REF and VADC_VDD_VADC. Example: +#include <dt-bindings/iio/qcom,spmi-vadc.h> +#include <linux/irq.h> +/* ... */ + /* VADC node */ pmic_vadc: vadc@3100 { compatible = "qcom,spmi-vadc"; - reg = <0x3100 0x100>; + reg = <0x3100>; interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>; #address-cells = <1>; #size-cells = <0>; @@ -112,7 +155,7 @@ Example: io-channel-ranges; /* Channel node */ - usb_id_nopull { + adc-chan@VADC_LR_MUX10_USB_ID { reg = <VADC_LR_MUX10_USB_ID>; qcom,decimation = <512>; qcom,ratiometric; diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt index 6c49db7f8ad2..a10c1f89037d 100644 --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt @@ -11,7 +11,7 @@ New driver handles the following Required properties: - compatible: Must be "samsung,exynos-adc-v1" - for exynos4412/5250 and s5pv210 controllers. + for exynos4412/5250 controllers. Must be "samsung,exynos-adc-v2" for future controllers. Must be "samsung,exynos3250-adc" for @@ -28,6 +28,8 @@ Required properties: the ADC in s3c2443 and compatibles Must be "samsung,s3c6410-adc" for the ADC in s3c6410 and compatibles + Must be "samsung,s5pv210-adc" for + the ADC in s5pv210 and compatibles - reg: List of ADC register address range - The base address and range of ADC register - The base address and range of ADC_PHY register (every diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt index 8aad960de50b..b4daa15dcf15 100644 --- a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt @@ -12,6 +12,8 @@ Required properties: - interrupts: The interrupt number for the ADC device. - #io-channel-cells: Number of cells in an IIO specifier. - hwlocks: Reference to a phandle of a hwlock provider node. +- nvmem-cells: A phandle to the calibration cells provided by eFuse device. +- nvmem-cell-names: Should be "big_scale_calib", "small_scale_calib". Example: @@ -32,5 +34,7 @@ Example: interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; #io-channel-cells = <1>; hwlocks = <&hwlock 4>; + nvmem-cells = <&adc_big_scale>, <&adc_small_scale>; + nvmem-cell-names = "big_scale_calib", "small_scale_calib"; }; }; diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt index daa2b2c29428..c07ce1a3f5c4 100644 --- a/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt +++ b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt @@ -1,7 +1,14 @@ * Texas Instruments' ADC128S052, ADC122S021 and ADC124S021 ADC chip Required properties: - - compatible: Should be "ti,adc128s052", "ti,adc122s021" or "ti,adc124s021" + - compatible: Should be one of: + - "ti,adc128s052" + - "ti,adc122s021" + - "ti,adc122s051" + - "ti,adc122s101" + - "ti,adc124s021" + - "ti,adc124s051" + - "ti,adc124s101" - reg: spi chip select number for the device - vref-supply: The regulator supply for ADC reference voltage diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt index bba01a5cab1b..2f607f41f9d3 100644 --- a/Documentation/devicetree/bindings/iio/dac/ad5758.txt +++ b/Documentation/devicetree/bindings/iio/dac/ad5758.txt @@ -50,6 +50,9 @@ Required properties: Optional properties: + - reset-gpios : GPIO spec for the RESET pin. If specified, it will be + asserted during driver probe. + - adi,dc-dc-ilim-microamp: The dc-to-dc converter current limit The following values are currently supported [uA]: * 150000 @@ -71,6 +74,8 @@ AD5758 Example: spi-max-frequency = <1000000>; spi-cpha; + reset-gpios = <&gpio 22 0>; + adi,dc-dc-mode = <2>; adi,range-microvolt = <0 10000000>; adi,dc-dc-ilim-microamp = <200000>; diff --git a/Documentation/devicetree/bindings/iio/dac/ltc1660.txt b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt new file mode 100644 index 000000000000..c5b5f22d6c64 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt @@ -0,0 +1,21 @@ +* Linear Technology Micropower octal 8-Bit and 10-Bit DACs + +Required properties: + - compatible: Must be one of the following: + "lltc,ltc1660" + "lltc,ltc1665" + - reg: SPI chip select number for the device + - vref-supply: Phandle to the voltage reference supply + +Recommended properties: + - spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt. + Max frequency for this chip is 5 MHz. + +Example: +dac@0 { + compatible = "lltc,ltc1660"; + reg = <0>; + spi-max-frequency = <5000000>; + vref-supply = <&vref_reg>; +}; diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt b/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt new file mode 100644 index 000000000000..e5a507db5e01 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ti,dac7311.txt @@ -0,0 +1,23 @@ +TI DAC7311 device tree bindings + +Required properties: +- compatible: must be set to: + * "ti,dac7311" + * "ti,dac6311" + * "ti,dac5311" +- reg: spi chip select number for the device +- vref-supply: The regulator supply for ADC reference voltage + +Optional properties: +- spi-max-frequency: Max SPI frequency to use + +Example: + + spi_master { + dac@0 { + compatible = "ti,dac7311"; + reg = <0>; /* CS0 */ + spi-max-frequency = <1000000>; + vref-supply = <&vdd_supply>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt index b2f27da847b8..6ab9a9d196b0 100644 --- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt +++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt @@ -20,6 +20,7 @@ Required properties: bindings. Optional properties: + - vddio-supply: regulator phandle for VDDIO supply - mount-matrix: an optional 3x3 mounting rotation matrix - i2c-gate node. These devices also support an auxiliary i2c bus. This is simple enough to be described using the i2c-gate binding. See diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt index ea2d6e0ae4c5..69d53d98d0f0 100644 --- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt +++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt @@ -7,11 +7,13 @@ Required properties: "st,lsm6dsl" "st,lsm6dsm" "st,ism330dlc" + "st,lsm6dso" - reg: i2c address of the sensor / spi cs line Optional properties: - st,drdy-int-pin: the pin on the package that will be used to signal "data ready" (valid values: 1 or 2). +- st,pullups : enable/disable internal i2c controller pullup resistors. - drive-open-drain: the interrupt/data ready line will be configured as open drain, which is useful if several sensors share the same interrupt line. This is a boolean property. diff --git a/Documentation/devicetree/bindings/iio/light/bh1750.txt b/Documentation/devicetree/bindings/iio/light/bh1750.txt new file mode 100644 index 000000000000..1e7685797d7a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/bh1750.txt @@ -0,0 +1,18 @@ +ROHM BH1750 - ALS, Ambient light sensor + +Required properties: + +- compatible: Must be one of: + "rohm,bh1710" + "rohm,bh1715" + "rohm,bh1721" + "rohm,bh1750" + "rohm,bh1751" +- reg: the I2C address of the sensor + +Example: + +light-sensor@23 { + compatible = "rohm,bh1750"; + reg = <0x23>; +}; diff --git a/Documentation/devicetree/bindings/iio/light/tsl2772.txt b/Documentation/devicetree/bindings/iio/light/tsl2772.txt new file mode 100644 index 000000000000..1c5e6f17a1df --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/tsl2772.txt @@ -0,0 +1,42 @@ +* AMS/TAOS ALS and proximity sensor + +Required properties: + + - compatible: Should be one of + "amstaos,tsl2571" + "amstaos,tsl2671" + "amstaos,tmd2671" + "amstaos,tsl2771" + "amstaos,tmd2771" + "amstaos,tsl2572" + "amstaos,tsl2672" + "amstaos,tmd2672" + "amstaos,tsl2772" + "amstaos,tmd2772" + "avago,apds9930" + - reg: the I2C address of the device + +Optional properties: + + - amstaos,proximity-diodes - proximity diodes to enable. <0>, <1>, or <0 1> + are the only valid values. + - led-max-microamp - current for the proximity LED. Must be 100000, 50000, + 25000, or 13000. + - vdd-supply: phandle to the regulator that provides power to the sensor. + - vddio-supply: phandle to the regulator that provides power to the bus. + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic interrupt client + node bindings. + +Example: + +tsl2772@39 { + compatible = "amstaos,tsl2772"; + reg = <0x39>; + interrupts-extended = <&msmgpio 61 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&pm8941_l17>; + vddio-supply = <&pm8941_lvs1>; + amstaos,proximity-diodes = <0>; + led-max-microamp = <100000>; +}; diff --git a/Documentation/devicetree/bindings/iio/light/vcnl4035.txt b/Documentation/devicetree/bindings/iio/light/vcnl4035.txt new file mode 100644 index 000000000000..c07c7f052556 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/vcnl4035.txt @@ -0,0 +1,18 @@ +VISHAY VCNL4035 - Ambient Light and proximity sensor + +Link to datasheet: https://www.vishay.com/docs/84251/vcnl4035x01.pdf + +Required properties: + + -compatible: should be "vishay,vcnl4035" + -reg: I2C address of the sensor, should be 0x60 + -interrupts: interrupt mapping for GPIO IRQ (level active low) + +Example: + +light-sensor@60 { + compatible = "vishay,vcnl4035"; + reg = <0x60>; + interrupt-parent = <&gpio4>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt b/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt new file mode 100644 index 000000000000..bdd40bcaaa1f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt @@ -0,0 +1,27 @@ +* FREESCALE MAG3110 magnetometer sensor + +Required properties: + + - compatible : should be "fsl,mag3110" + - reg : the I2C address of the magnetometer + +Optional properties: + + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic interrupt client + node bindings. + + - vdd-supply: phandle to the regulator that provides power to the sensor. + - vddio-supply: phandle to the regulator that provides power to the sensor's IO. + +Example: + +magnetometer@e { + compatible = "fsl,mag3110"; + reg = <0x0e>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3_mag3110_int>; + interrupt-parent = <&gpio3>; + interrupts = <16 IRQ_TYPE_EDGE_RISING>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt b/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt new file mode 100644 index 000000000000..497c932e9e39 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt @@ -0,0 +1,20 @@ +* PNI RM3100 3-axis magnetometer sensor + +Required properties: + +- compatible : should be "pni,rm3100" +- reg : the I2C address or SPI chip select number of the sensor. + +Optional properties: + +- interrupts: data ready (DRDY) from the chip. + The interrupts can be triggered on level high. + +Example: + +rm3100: rm3100@20 { + compatible = "pni,rm3100"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH>; +}; diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt new file mode 100644 index 000000000000..566711b9950c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt @@ -0,0 +1,28 @@ +* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer + +Datasheet publicly available at: +http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in + + Documentation/devicetree/bindings/spi/spi-bus.txt + +must be specified. + +Required properties: + - compatible: Must be one of the following, depending on the + model: + "microchip,mcp41010" + "microchip,mcp41050" + "microchip,mcp41100" + "microchip,mcp42010" + "microchip,mcp42050" + "microchip,mcp42100" + +Example: +potentiometer@0 { + compatible = "microchip,mcp41010"; + reg = <0>; + spi-max-frequency = <500000>; +}; diff --git a/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt b/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt new file mode 100644 index 000000000000..aac5f621f8dc --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt @@ -0,0 +1,12 @@ +ST VL53L0X ToF ranging sensor + +Required properties: + - compatible: must be "st,vl53l0x" + - reg: i2c address where to find the device + +Example: + +vl53l0x@29 { + compatible = "st,vl53l0x"; + reg = <0x29>; +}; diff --git a/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt b/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt new file mode 100644 index 000000000000..477d41fa6467 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt @@ -0,0 +1,31 @@ +Analog Devices AD2S90 Resolver-to-Digital Converter + +https://www.analog.com/en/products/ad2s90.html + +Required properties: + - compatible: should be "adi,ad2s90" + - reg: SPI chip select number for the device + - spi-max-frequency: set maximum clock frequency, must be 830000 + - spi-cpol and spi-cpha: + Either SPI mode (0,0) or (1,1) must be used, so specify none or both of + spi-cpha, spi-cpol. + +See for more details: + Documentation/devicetree/bindings/spi/spi-bus.txt + +Note about max frequency: + Chip's max frequency, as specified in its datasheet, is 2Mhz. But a 600ns + delay is expected between the application of a logic LO to CS and the + application of SCLK, as also specified. And since the delay is not + implemented in the spi code, to satisfy it, SCLK's period should be at most + 2 * 600ns, so the max frequency should be 1 / (2 * 6e-7), which gives + roughly 830000Hz. + +Example: +resolver@0 { + compatible = "adi,ad2s90"; + reg = <0>; + spi-max-frequency = <830000>; + spi-cpol; + spi-cpha; +}; diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt index 6f626f73417e..ddcb95509599 100644 --- a/Documentation/devicetree/bindings/iio/st-sensors.txt +++ b/Documentation/devicetree/bindings/iio/st-sensors.txt @@ -48,6 +48,7 @@ Accelerometers: - st,lis3l02dq - st,lis2dw12 - st,lis3dhh +- st,lis3de Gyroscopes: - st,l3g4200d-gyro @@ -67,6 +68,7 @@ Magnetometers: - st,lsm303dlm-magn - st,lis3mdl-magn - st,lis2mdl +- st,lsm9ds1-magn Pressure sensors: - st,lps001wp-press |