xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/ibm,i2c-fsi.yaml (revision 0e8011faf58b743cc652e3b2ad0f7671227610df)

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

title: IBM FSI-attached I2C controller

maintainers:
  - Eddie James <eajames@linux.ibm.com>

description:
  This I2C controller is an FSI CFAM engine, providing access to a number of
  I2C busses. Therefore this node will always be a child of an FSI CFAM node.

properties:
  compatible:
    enum:
      - ibm,i2c-fsi

  reg:
    items:
      - description: FSI slave address

  "#address-cells":
    const: 1

  "#size-cells":
    const: 0

patternProperties:
  "^i2c-bus@[0-9a-f]+$":
    type: object
    properties:
      reg:
        maxItems: 1

    required:
      - reg

    allOf:
      - $ref: /schemas/i2c/i2c-controller.yaml#

    unevaluatedProperties: false

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    i2c@1800 {
        compatible = "ibm,i2c-fsi";
        reg = <0x1800 0x400>;
        #address-cells = <1>;
        #size-cells = <0>;

        i2c-bus@0 {
            reg = <0>;
            #address-cells = <1>;
            #size-cells = <0>;
        };

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

            eeprom@50 {
                compatible = "atmel,24c64";
                reg = <0x50>;
            };
        };
    };