diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
12 files changed, 184 insertions, 11 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt index ae09a046bc72..f9525f6e3d43 100644 --- a/Documentation/devicetree/bindings/iio/accel/adxl345.txt +++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt @@ -1,9 +1,12 @@ -Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer +Analog Devices ADXL345/ADXL375 3-Axis Digital Accelerometers http://www.analog.com/en/products/mems/accelerometers/adxl345.html +http://www.analog.com/en/products/sensors-mems/accelerometers/adxl375.html Required properties: - - compatible : should be "adi,adxl345" + - compatible : should be one of + "adi,adxl345" + "adi,adxl375" - reg : the I2C address or SPI chip select number of the sensor Required properties for SPI bus usage: diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt index d1acd5ea2737..54b823f3a453 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt @@ -4,6 +4,7 @@ Required properties: - compatible: depending on the SoC this should be one of: - "amlogic,meson8-saradc" for Meson8 - "amlogic,meson8b-saradc" for Meson8b + - "amlogic,meson8m2-saradc" for Meson8m2 - "amlogic,meson-gxbb-saradc" for GXBB - "amlogic,meson-gxl-saradc" for GXL - "amlogic,meson-gxm-saradc" for GXM diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 6469a4cd2a6d..4a3c1d496e1a 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -21,6 +21,14 @@ Optional properties: - dmas: Phandle to dma channel for the ADC. - dma-names: Must be "rx" when dmas property is being used. See ../../dma/dma.txt for details. + - #io-channel-cells: in case consumer drivers are attached, this must be 1. + See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details. + +Properties for consumer drivers: + - Consumer drivers can be connected to this producer device, as specified + in <Documentation/devicetree/bindings/iio/iio-bindings.txt> + - Channels exposed are specified in: + <dt-bindings/iio/adc/at91-sama5d2_adc.txt> Example: @@ -38,4 +46,5 @@ adc: adc@fc030000 { atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>; dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; dma-names = "rx"; + #io-channel-cells = <1>; } diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt index b3629405f568..7222328a3d0d 100644 --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt @@ -8,11 +8,17 @@ Required properties: See Documentation/devicetree/bindings/gpio/gpio.txt - avdd-supply: Definition of the regulator used as analog supply +Optional properties: + - clock-frequency: Frequency of PD_SCK in Hz + Minimum value allowed is 10 kHz because of maximum + high time of 50 microseconds. + Example: -weight@0 { +weight { compatible = "avia,hx711"; sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>; dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; avdd-suppy = <&avdd>; + clock-frequency = <100000>; }; diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt index ba24ca7ba95e..59b92cd32552 100644 --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt @@ -7,7 +7,7 @@ Required properties: Example node: - ads1202: adc@0 { + ads1202: adc { compatible = "sd-modulator"; #io-channel-cells = <0>; }; diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt new file mode 100644 index 000000000000..8aad960de50b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt @@ -0,0 +1,36 @@ +Spreadtrum SC27XX series PMICs ADC binding + +Required properties: +- compatible: Should be one of the following. + "sprd,sc2720-adc" + "sprd,sc2721-adc" + "sprd,sc2723-adc" + "sprd,sc2730-adc" + "sprd,sc2731-adc" +- reg: The address offset of ADC controller. +- interrupt-parent: The interrupt controller. +- 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. + +Example: + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + pmic_adc: adc@480 { + compatible = "sprd,sc2731-adc"; + reg = <0x480>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + #io-channel-cells = <1>; + hwlocks = <&hwlock 4>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt new file mode 100644 index 000000000000..bba01a5cab1b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ad5758.txt @@ -0,0 +1,78 @@ +Analog Devices AD5758 DAC device driver + +Required properties for the AD5758: + - compatible: Must be "adi,ad5758" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use (< 50000000) + - spi-cpha: is the only mode that is supported + +Required properties: + + - adi,dc-dc-mode: Mode of operation of the dc-to-dc converter + Dynamic Power Control (DPC) + In this mode, the AD5758 circuitry senses the output + voltage and dynamically regulates the supply voltage, + VDPC+, to meet compliance requirements plus an optimized + headroom voltage for the output buffer. + + Programmable Power Control (PPC) + In this mode, the VDPC+ voltage is user-programmable to + a fixed level that needs to accommodate the maximum output + load required. + + The output of the DAC core is either converted to a + current or voltage output at the VIOUT pin. Only one mode + can be enabled at any one time. + + The following values are currently supported: + * 1: DPC current mode + * 2: DPC voltage mode + * 3: PPC current mode + + Depending on the selected output mode (voltage or current) one of the + two properties must + be present: + + - adi,range-microvolt: Voltage output range + The array of voltage output ranges must contain two fields: + * <0 5000000>: 0 V to 5 V voltage range + * <0 10000000>: 0 V to 10 V voltage range + * <(-5000000) 5000000>: ±5 V voltage range + * <(-10000000) 10000000>: ±10 V voltage range + - adi,range-microamp: Current output range + The array of current output ranges must contain two fields: + * <0 20000>: 0 mA to 20 mA current range + * <0 24000>: 0 mA to 24 mA current range + * <4 24000>: 4 mA to 20 mA current range + * <(-20000) 20000>: ±20 mA current range + * <(-24000) 24000>: ±24 mA current range + * <(-1000) 22000>: −1 mA to +22 mA current range + +Optional properties: + + - adi,dc-dc-ilim-microamp: The dc-to-dc converter current limit + The following values are currently supported [uA]: + * 150000 + * 200000 + * 250000 + * 300000 + * 350000 + * 400000 + + - adi,slew-time-us: The time it takes for the output to reach the + full scale [uS] + The supported range is between 133us up to 1023984375us + +AD5758 Example: + + dac@0 { + compatible = "adi,ad5758"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpha; + + adi,dc-dc-mode = <2>; + adi,range-microvolt = <0 10000000>; + adi,dc-dc-ilim-microamp = <200000>; + adi,slew-time-us = <125000>; + }; diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt index d33c19d68de3..b2f27da847b8 100644 --- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt +++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt @@ -6,6 +6,7 @@ Required properties: - compatible : should be one of "invensense,mpu6050" "invensense,mpu6500" + "invensense,mpu6515" "invensense,mpu9150" "invensense,mpu9250" "invensense,mpu9255" diff --git a/Documentation/devicetree/bindings/iio/light/isl29501.txt b/Documentation/devicetree/bindings/iio/light/isl29501.txt new file mode 100644 index 000000000000..46957997fee3 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/isl29501.txt @@ -0,0 +1,13 @@ +* ISL29501 Time-of-flight sensor. + +Required properties: + + - compatible : should be "renesas,isl29501" + - reg : the I2C address of the sensor + +Example: + +isl29501@57 { + compatible = "renesas,isl29501"; + reg = <0x57>; +}; diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt b/Documentation/devicetree/bindings/iio/pressure/bmp085.txt index 5498b0688b6f..61c72e63c584 100644 --- a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt +++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.txt @@ -8,10 +8,6 @@ Required properties: "bosch,bme280" Optional properties: -- chip-id: configurable chip id for non-default chip revisions -- temp-measurement-period: temperature measurement period (milliseconds) -- default-oversampling: default oversampling value to be used at startup, - value range is 0-3 with rising sensitivity. - interrupts: interrupt mapping for IRQ - reset-gpios: a GPIO line handling reset of the sensor: as the line is active low, it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt) @@ -23,9 +19,6 @@ Example: pressure@77 { compatible = "bosch,bmp085"; reg = <0x77>; - chip-id = <10>; - temp-measurement-period = <100>; - default-oversampling = <2>; interrupt-parent = <&gpio0>; interrupts = <25 IRQ_TYPE_EDGE_RISING>; reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>; diff --git a/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt b/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt new file mode 100644 index 000000000000..51456c0e9a27 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt @@ -0,0 +1,30 @@ +Generic resistive touchscreen ADC + +Required properties: + + - compatible: must be "resistive-adc-touch" +The device must be connected to an ADC device that provides channels for +position measurement and optional pressure. +Refer to ../iio/iio-bindings.txt for details + - iio-channels: must have at least two channels connected to an ADC device. +These should correspond to the channels exposed by the ADC device and should +have the right index as the ADC device registers them. These channels +represent the relative position on the "x" and "y" axes. + - iio-channel-names: must have all the channels' names. Mandatory channels +are "x" and "y". + +Optional properties: + - iio-channels: The third channel named "pressure" is optional and can be +used if the ADC device also measures pressure besides position. +If this channel is missing, pressure will be ignored and the touchscreen +will only report position. + - iio-channel-names: optional channel named "pressure". + +Example: + + resistive_touch: resistive_touch { + compatible = "resistive-adc-touch"; + touchscreen-min-pressure = <50000>; + io-channels = <&adc 24>, <&adc 25>, <&adc 26>; + io-channel-names = "x", "y", "pressure"; + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt index 537643e86f61..d092d5d033a0 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt @@ -7,6 +7,9 @@ Optional properties for Touchscreens: (in pixels) - touchscreen-max-pressure : maximum reported pressure (arbitrary range dependent on the controller) + - touchscreen-min-pressure : minimum pressure on the touchscreen to be + achieved in order for the touchscreen + driver to report a touch event. - touchscreen-fuzz-x : horizontal noise value of the absolute input device (in pixels) - touchscreen-fuzz-y : vertical noise value of the absolute input |