Documentation/devicetree/bindings/mfd/ene-kb3930.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: ENE KB3930 Embedded Controller bindings
   8
   9 description: |
  10   This binding describes the ENE KB3930 Embedded Controller attached to an
  11   I2C bus.
  12
  13 maintainers:
  14   - Lubomir Rintel <lkundrak@v3.sk>
  15
  16 properties:
  17   compatible:
  18     items:
  19       - enum:
  20           - dell,wyse-ariel-ec  # Dell Wyse Ariel board (3020)
  21       - const: ene,kb3930
  22   reg:
  23     maxItems: 1
  24
  25   off-gpios:
  26     description: GPIO used with the shutdown protocol on Ariel
  27     maxItems: 2
  28
  29   system-power-controller: true
  30
  31 required:
  32   - compatible
  33   - reg
  34
  35 additionalProperties: false
  36
  37 examples:
  38   - |
  39     #include <dt-bindings/gpio/gpio.h>
  40
  41     i2c {
  42       #address-cells = <1>;
  43       #size-cells = <0>;
  44
  45       embedded-controller@58 {
  46         compatible = "dell,wyse-ariel-ec", "ene,kb3930";
  47         reg = <0x58>;
  48         system-power-controller;
  49
  50         off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
  51                     <&gpio 127 GPIO_ACTIVE_HIGH>;
  52       };
  53     };
  54
  55 ...