title: STMicroelectronics MEMS sensors
-description: |
+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.
The STMicroelectronics sensor devices are pretty straight-forward I2C or
maintainers:
- Denis Ciocca <denis.ciocca@st.com>
+ - Linus Walleij <linus.walleij@linaro.org>
properties:
compatible:
- description: |
- Some values are deprecated.
- st,lis3lv02d (deprecated, use st,lis3lv02dl-accel)
- st,lis302dl-spi (deprecated, use st,lis3lv02dl-accel)
- enum:
- # Accelerometers
- - st,lis3lv02d
- - st,lis302dl-spi
- - st,lis3lv02dl-accel
- - st,lsm303dlh-accel
- - st,lsm303dlhc-accel
- - st,lis3dh-accel
- - st,lsm330d-accel
- - st,lsm330dl-accel
- - st,lsm330dlc-accel
- - st,lis331dl-accel
- - st,lis331dlh-accel
- - st,lsm303dl-accel
- - st,lsm303dlm-accel
- - st,lsm330-accel
- - st,lsm303agr-accel
- - st,lis2dh12-accel
- - st,h3lis331dl-accel
- - st,lng2dm-accel
- - st,lis3l02dq
- - st,lis2dw12
- - st,lis3dhh
- - st,lis3de
- - st,lis2de12
- - st,lis2hh12
- # Gyroscopes
- - st,l3g4200d-gyro
- - st,lsm330d-gyro
- - st,lsm330dl-gyro
- - st,lsm330dlc-gyro
- - st,l3gd20-gyro
- - st,l3gd20h-gyro
- - st,l3g4is-gyro
- - st,lsm330-gyro
- - st,lsm9ds0-gyro
- # Magnetometers
- - st,lsm303agr-magn
- - st,lsm303dlh-magn
- - st,lsm303dlhc-magn
- - st,lsm303dlm-magn
- - st,lis3mdl-magn
- - st,lis2mdl
- - st,lsm9ds1-magn
- - st,iis2mdc
- # Pressure sensors
- - st,lps001wp-press
- - st,lps25h-press
- - st,lps331ap-press
- - st,lps22hb-press
- - st,lps33hw
- - st,lps35hw
- - st,lps22hh
+ oneOf:
+ - description: STMicroelectronics Accelerometers
+ enum:
+ - st,h3lis331dl-accel
+ - st,lis2de12
+ - st,lis2dw12
+ - st,lis2hh12
+ - st,lis2dh12-accel
+ - 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,lsm303dl-accel
+ - st,lsm303dlh-accel
+ - st,lsm303dlhc-accel
+ - st,lsm303dlm-accel
+ - st,lsm330-accel
+ - st,lsm330d-accel
+ - st,lsm330dl-accel
+ - st,lsm330dlc-accel
+ - 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,lsm303dlh-magn
+ - st,lsm303dlhc-magn
+ - st,lsm303dlm-magn
+ - st,lsm9ds1-magn
+ - description: STMicroelectronics Pressure Sensors
+ enum:
+ - st,lps001wp-press
+ - st,lps22hb-press
+ - st,lps22hh
+ - st,lps25h-press
+ - st,lps331ap-press
+ - st,lps33hw
+ - st,lps35hw
+ - description: IMUs
+ enum:
+ - 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
+ Intertial 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
- description:
- Some sensors have multiple possible pins via which they can provide
- a data ready interrupt. This selects which one.
- enum:
- - 1
- - 2
+ 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.
+ 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,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
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ # Two intertial interrupts i.e. accelerometer/gyro interrupts
+ - st,h3lis331dl-accel
+ - st,l3g4200d-gyro
+ - st,l3g4is-gyro
+ - st,l3gd20-gyro
+ - st,l3gd20h-gyro
+ - st,lis2de12
+ - st,lis2dw12
+ - st,lis2hh12
+ - st,lis2dh12-accel
+ - st,lis331dl-accel
+ - st,lis331dlh-accel
+ - st,lis3de
+ - st,lis3dh-accel
+ - st,lis3dhh
+ - st,lis3mdl-magn
+ - st,lng2dm-accel
+ - st,lps331ap-press
+ - st,lsm303agr-accel
+ - st,lsm303dlh-accel
+ - st,lsm303dlhc-accel
+ - st,lsm303dlm-accel
+ - st,lsm330-accel
+ - st,lsm330-gyro
+ - st,lsm330d-accel
+ - st,lsm330d-gyro
+ - st,lsm330dl-accel
+ - st,lsm330dl-gyro
+ - st,lsm330dlc-accel
+ - st,lsm330dlc-gyro
+ - st,lsm9ds0-gyro
+ - st,lsm9ds1-magn
+ then:
+ properties:
+ interrupts:
+ maxItems: 2
required:
- compatible
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
- #address-cells = <1>;
- #size-cells = <0>;
- accelerometer@1d {
- compatible = "st,lis3lv02dl-accel";
- reg = <0x1d>;
- interrupt-parent = <&gpio2>;
- interrupts = <18 IRQ_TYPE_EDGE_RISING>;
- pinctrl-0 = <&lis3lv02dl_nhk_mode>;
- pinctrl-names = "default";
- };
+ #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>;
+ };
};
...
projects / linux-2.6-microblaze.git / blobdiff