# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/iio/st,st-sensors.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: STMicroelectronics MEMS sensors description: The STMicroelectronics sensor devices are pretty straight-forward I2C or SPI devices, all sharing the same device tree descriptions no matter what type of sensor it is. Note that whilst this covers many STMicro MEMs sensors, some more complex IMUs need their own bindings. maintainers: - Denis Ciocca - Linus Walleij properties: compatible: oneOf: - description: STMicroelectronics Accelerometers enum: - st,h3lis331dl-accel - st,lis2de12 - st,lis2dw12 - st,lis2hh12 - st,lis2dh12-accel - st,lis302dl - st,lis331dl-accel - st,lis331dlh-accel - st,lis3de - st,lis3dh-accel - st,lis3dhh - st,lis3l02dq - st,lis3lv02dl-accel - st,lng2dm-accel - st,lsm303agr-accel - st,lsm303c-accel - st,lsm303dl-accel - st,lsm303dlh-accel - st,lsm303dlhc-accel - st,lsm303dlm-accel - st,lsm330-accel - st,lsm330d-accel - st,lsm330dl-accel - st,lsm330dlc-accel - items: - const: st,iis328dq - const: st,h3lis331dl-accel - description: Silan Accelerometers enum: - silan,sc7a20 - description: STMicroelectronics Gyroscopes enum: - st,l3g4200d-gyro - st,l3g4is-gyro - st,l3gd20-gyro - st,l3gd20h-gyro - st,lsm330-gyro - st,lsm330d-gyro - st,lsm330dl-gyro - st,lsm330dlc-gyro - st,lsm9ds0-gyro - description: STMicroelectronics Magnetometers enum: - st,lis2mdl - st,lis3mdl-magn - st,lsm303agr-magn - st,lsm303c-magn - st,lsm303dlh-magn - st,lsm303dlhc-magn - st,lsm303dlm-magn - st,lsm9ds1-magn - description: STMicroelectronics Pressure Sensors enum: - st,lps001wp-press - st,lps22df - st,lps22hb-press - st,lps22hh - st,lps25h-press - st,lps331ap-press - st,lps33hw - st,lps35hw - description: IMUs enum: - st,lsm303d-imu - st,lsm9ds0-imu - description: Deprecated bindings enum: - st,lis302dl-spi - st,lis3lv02d deprecated: true reg: maxItems: 1 interrupts: description: interrupt line(s) connected to the DRDY line(s) and/or the Inertial interrupt lines INT1 and INT2 if these exist. This means up to three interrupts, and the DRDY must be the first one if it exists on the package. The trigger edge of the interrupts is sometimes software configurable in the hardware so the operating system should parse this flag and set up the trigger edge as indicated in the device tree. minItems: 1 maxItems: 2 vdd-supply: true vddio-supply: true st,drdy-int-pin: description: the pin on the package that will be used to signal "data ready" (valid values 1 or 2). This property is not configurable on all sensors. $ref: /schemas/types.yaml#/definitions/uint32 enum: [1, 2] drive-open-drain: $ref: /schemas/types.yaml#/definitions/flag description: the interrupt/data ready line will be configured as open drain, which is useful if several sensors share the same interrupt line. (This binding is taken from pinctrl.) mount-matrix: description: an optional 3x3 mounting rotation matrix. allOf: - if: properties: compatible: enum: # These have no interrupts - st,lps001wp then: properties: interrupts: false st,drdy-int-pin: false drive-open-drain: false - if: properties: compatible: enum: # These have only DRDY - st,lis2mdl - st,lis3l02dq - st,lis3lv02dl-accel - st,lps22df - st,lps22hb-press - st,lps22hh - st,lps25h-press - st,lps33hw - st,lps35hw - st,lsm303agr-magn - st,lsm303dlh-magn - st,lsm303dlhc-magn - st,lsm303dlm-magn then: properties: interrupts: maxItems: 1 st,drdy-int-pin: false required: - compatible - reg additionalProperties: false examples: - | #include i2c { #address-cells = <1>; #size-cells = <0>; accelerometer@1c { compatible = "st,lis331dl-accel"; reg = <0x1c>; st,drdy-int-pin = <1>; vdd-supply = <&ldo1>; vddio-supply = <&ldo2>; interrupt-parent = <&gpio>; interrupts = <18 IRQ_TYPE_EDGE_RISING>, <19 IRQ_TYPE_EDGE_RISING>; }; }; spi { #address-cells = <1>; #size-cells = <0>; num-cs = <1>; l3g4200d: gyroscope@0 { compatible = "st,l3g4200d-gyro"; st,drdy-int-pin = <2>; reg = <0>; vdd-supply = <&vcc_io>; vddio-supply = <&vcc_io>; }; }; ...