st,st-sensors.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iio/st,st-sensors.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: STMicroelectronics MEMS sensors
    8 
    9 description: The STMicroelectronics sensor devices are pretty straight-forward
   10   I2C or SPI devices, all sharing the same device tree descriptions no matter
   11   what type of sensor it is.
   12   Note that whilst this covers many STMicro MEMs sensors, some more complex
   13   IMUs need their own bindings.
   14   The STMicroelectronics sensor devices are pretty straight-forward I2C or
   15   SPI devices, all sharing the same device tree descriptions no matter what
   16   type of sensor it is.
   17 
   18 maintainers:
   19   - Denis Ciocca <denis.ciocca@st.com>
   20   - Linus Walleij <linus.walleij@linaro.org>
   21 
   22 properties:
   23   compatible:
   24     oneOf:
   25       - description: STMicroelectronics Accelerometers
   26         enum:
   27           - st,h3lis331dl-accel
   28           - st,lis2de12
   29           - st,lis2dw12
   30           - st,lis2hh12
   31           - st,lis2dh12-accel
   32           - st,lis302dl
   33           - st,lis331dl-accel
   34           - st,lis331dlh-accel
   35           - st,lis3de
   36           - st,lis3dh-accel
   37           - st,lis3dhh
   38           - st,lis3l02dq
   39           - st,lis3lv02dl-accel
   40           - st,lng2dm-accel
   41           - st,lsm303agr-accel
   42           - st,lsm303dl-accel
   43           - st,lsm303dlh-accel
   44           - st,lsm303dlhc-accel
   45           - st,lsm303dlm-accel
   46           - st,lsm330-accel
   47           - st,lsm330d-accel
   48           - st,lsm330dl-accel
   49           - st,lsm330dlc-accel
   50       - description: Silan Accelerometers
   51         enum:
   52           - silan,sc7a20
   53       - description: STMicroelectronics Gyroscopes
   54         enum:
   55           - st,l3g4200d-gyro
   56           - st,l3g4is-gyro
   57           - st,l3gd20-gyro
   58           - st,l3gd20h-gyro
   59           - st,lsm330-gyro
   60           - st,lsm330d-gyro
   61           - st,lsm330dl-gyro
   62           - st,lsm330dlc-gyro
   63           - st,lsm9ds0-gyro
   64       - description: STMicroelectronics Magnetometers
   65         enum:
   66           - st,lis2mdl
   67           - st,lis3mdl-magn
   68           - st,lsm303agr-magn
   69           - st,lsm303dlh-magn
   70           - st,lsm303dlhc-magn
   71           - st,lsm303dlm-magn
   72           - st,lsm9ds1-magn
   73       - description: STMicroelectronics Pressure Sensors
   74         enum:
   75           - st,lps001wp-press
   76           - st,lps22hb-press
   77           - st,lps22hh
   78           - st,lps25h-press
   79           - st,lps331ap-press
   80           - st,lps33hw
   81           - st,lps35hw
   82       - description: IMUs
   83         enum:
   84           - st,lsm9ds0-imu
   85       - description: Deprecated bindings
   86         enum:
   87           - st,lis302dl-spi
   88           - st,lis3lv02d
   89         deprecated: true
   90 
   91   reg:
   92     maxItems: 1
   93 
   94   interrupts:
   95     description: interrupt line(s) connected to the DRDY line(s) and/or the
   96       Intertial interrupt lines INT1 and INT2 if these exist. This means up to
   97       three interrupts, and the DRDY must be the first one if it exists on
   98       the package. The trigger edge of the interrupts is sometimes software
   99       configurable in the hardware so the operating system should parse this
  100       flag and set up the trigger edge as indicated in the device tree.
  101     minItems: 1
  102     maxItems: 2
  103 
  104   vdd-supply: true
  105   vddio-supply: true
  106 
  107   st,drdy-int-pin:
  108     description: the pin on the package that will be used to signal
  109       "data ready" (valid values 1 or 2). This property is not configurable
  110       on all sensors.
  111     $ref: /schemas/types.yaml#/definitions/uint32
  112     enum: [1, 2]
  113 
  114   drive-open-drain:
  115     $ref: /schemas/types.yaml#/definitions/flag
  116     description: the interrupt/data ready line will be configured
  117       as open drain, which is useful if several sensors share the same
  118       interrupt line. (This binding is taken from pinctrl.)
  119 
  120   mount-matrix:
  121     description: an optional 3x3 mounting rotation matrix.
  122 
  123 allOf:
  124   - if:
  125       properties:
  126         compatible:
  127           enum:
  128             # These have no interrupts
  129             - st,lps001wp
  130     then:
  131       properties:
  132         interrupts: false
  133         st,drdy-int-pin: false
  134         drive-open-drain: false
  135 
  136   - if:
  137       properties:
  138         compatible:
  139           enum:
  140             # These have only DRDY
  141             - st,lis2mdl
  142             - st,lis3l02dq
  143             - st,lis3lv02dl-accel
  144             - st,lps22hb-press
  145             - st,lps22hh
  146             - st,lps25h-press
  147             - st,lps33hw
  148             - st,lps35hw
  149             - st,lsm303agr-magn
  150             - st,lsm303dlh-magn
  151             - st,lsm303dlhc-magn
  152             - st,lsm303dlm-magn
  153     then:
  154       properties:
  155         interrupts:
  156           maxItems: 1
  157         st,drdy-int-pin: false
  158 
  159 required:
  160   - compatible
  161   - reg
  162 
  163 additionalProperties: false
  164 
  165 examples:
  166   - |
  167     #include <dt-bindings/interrupt-controller/irq.h>
  168     i2c {
  169       #address-cells = <1>;
  170       #size-cells = <0>;
  171 
  172       accelerometer@1c {
  173         compatible = "st,lis331dl-accel";
  174         reg = <0x1c>;
  175         st,drdy-int-pin = <1>;
  176         vdd-supply = <&ldo1>;
  177         vddio-supply = <&ldo2>;
  178         interrupt-parent = <&gpio>;
  179         interrupts = <18 IRQ_TYPE_EDGE_RISING>, <19 IRQ_TYPE_EDGE_RISING>;
  180       };
  181     };
  182     spi {
  183       #address-cells = <1>;
  184       #size-cells = <0>;
  185       num-cs = <1>;
  186 
  187       l3g4200d: gyroscope@0 {
  188         compatible = "st,l3g4200d-gyro";
  189         st,drdy-int-pin = <2>;
  190         reg = <0>;
  191         vdd-supply = <&vcc_io>;
  192         vddio-supply = <&vcc_io>;
  193       };
  194     };
  195 ...

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