xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/ene-kb3930.yaml (revision 8bab661a3316d8bd9b9fbd11a3b4371b91507bd2)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ENE KB3930 Embedded Controller

description: |
  This binding describes the ENE KB3930 Embedded Controller attached to an
  I2C bus.

maintainers:
  - Lubomir Rintel <lkundrak@v3.sk>

properties:
  compatible:
    items:
      - enum:
          - dell,wyse-ariel-ec  # Dell Wyse Ariel board (3020)
      - const: ene,kb3930
  reg:
    maxItems: 1

  off-gpios:
    description: GPIO used with the shutdown protocol on Ariel
    maxItems: 2

  system-power-controller: true

required:
  - compatible
  - reg

additionalProperties: false

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

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

      embedded-controller@58 {
        compatible = "dell,wyse-ariel-ec", "ene,kb3930";
        reg = <0x58>;
        system-power-controller;

        off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
                    <&gpio 127 GPIO_ACTIVE_HIGH>;
      };
    };

...