xref: /linux/Documentation/devicetree/bindings/iio/accel/bosch,bma255.yaml (revision 39361c997dc781dc590a8e45107b288f3e3f27d7)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/bosch,bma255.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Bosch BMA255 and Similar Accelerometers

maintainers:
  - Linus Walleij <linus.walleij@linaro.org>

description:
  3 axis accelerometers with varying range and I2C or SPI
  4-wire interface.

properties:
  compatible:
    enum:
      - bosch,bmc150_accel
      - bosch,bmi055_accel
      - bosch,bma253
      - bosch,bma254
      - bosch,bma255
      - bosch,bma250e
      - bosch,bma222
      - bosch,bma222e
      - bosch,bma280

  reg:
    maxItems: 1

  vdd-supply: true
  vddio-supply: true

  interrupts:
    minItems: 1
    maxItems: 2
    description: |
      The first interrupt listed must be the one connected to the INT1 pin,
      the second (optional) interrupt listed must be the one connected to the
      INT2 pin (if available). The type should be IRQ_TYPE_EDGE_RISING.

  mount-matrix:
    description: an optional 3x3 mounting rotation matrix.

  spi-max-frequency:
    maximum: 10000000

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
        accelerometer@8 {
            compatible = "bosch,bma222";
            reg = <0x08>;
            vddio-supply = <&vddio>;
            vdd-supply = <&vdd>;
            interrupts = <57 IRQ_TYPE_EDGE_RISING>;
        };
    };
  - |
    # include <dt-bindings/interrupt-controller/irq.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;
        accel@0 {
            compatible = "bosch,bma222";
            reg = <0>;
            spi-max-frequency = <10000000>;
        };
    };
...