xref: /openbmc/linux/Documentation/devicetree/bindings/iio/accel/fsl,mma7455.yaml (revision 3ed7928d)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/accel/fsl,mma7455.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale MMA7455 and MMA7456 three axis accelerometers

maintainers:
  - Joachim Eastwood <manabian@gmail.com>
  - Jonathan Cameron <jic23@kernel.org>

description:
  Devices support both SPI and I2C interfaces.

properties:
  compatible:
    enum:
      - fsl,mma7455
      - fsl,mma7456
  reg:
    maxItems: 1

  avdd-supply: true
  vddio-supply: true

  interrupts:
    minItems: 1
    maxItems: 2

  interrupt-names:
    description:
      Data ready is only available on INT1, but events can use either or
      both pins.  If not specified, first element assumed to correspond
      to INT1 and second (where present) to INT2.
    minItems: 1
    maxItems: 2
    items:
      enum:
        - "INT1"
        - "INT2"

  spi-max-frequency: true

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    # include <dt-bindings/interrupt-controller/irq.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        accelerometer@18 {
            compatible = "fsl,mma7455";
            reg = <0x18>;
            vddio-supply = <&iovdd>;
            avdd-supply = <&avdd>;
            interrupts = <57 IRQ_TYPE_EDGE_FALLING>, <58 IRQ_TYPE_EDGE_FALLING>;
            interrupt-names = "INT2", "INT1";
        };
    };
  - |
    # include <dt-bindings/interrupt-controller/irq.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;
        accelerometer@0 {
            compatible = "fsl,mma7456";
            reg = <0>;
            spi-max-frequency = <10000000>;
            vddio-supply = <&iovdd>;
            avdd-supply = <&avdd>;
            interrupts = <57 IRQ_TYPE_EDGE_FALLING>;
            interrupt-names = "INT1";
        };
    };
...