Documentation/devicetree/bindings/i2c/nxp,pca9541.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/i2c/nxp,pca9541.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/i2c/nxp,pca9541.yaml
Extension
.yaml
Size
1109 bytes
Lines
57
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.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/nxp,pca9541.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP PCA9541 I2C bus master selector

maintainers:
  - Peter Rosin <peda@axentia.se>

properties:
  compatible:
    const: nxp,pca9541

  reg:
    maxItems: 1

  i2c-arb:
    type: object
    $ref: /schemas/i2c/i2c-controller.yaml
    unevaluatedProperties: false
    description:
      I2C arbitration bus node.

required:
  - compatible
  - reg
  - i2c-arb

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        i2c-arbitrator@74 {
            compatible = "nxp,pca9541";
            reg = <0x74>;

            i2c-arb {
                #address-cells = <1>;
                #size-cells = <0>;

                eeprom@54 {
                    compatible = "atmel,24c08";
                    reg = <0x54>;
                };
            };
        };
    };

Annotation

Implementation Notes