Documentation/devicetree/bindings/iio/accel/fsl,mma7455.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/iio/accel/fsl,mma7455.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/iio/accel/fsl,mma7455.yaml
Extension
.yaml
Size
1888 bytes
Lines
83
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# 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:
  - 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

required:
  - compatible
  - reg

allOf:
  - $ref: /schemas/spi/spi-peripheral-props.yaml#

unevaluatedProperties: 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>;

Annotation

Implementation Notes