dt-bindings: add google,cros-kbd-led-backlight

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/chrome/google,cros-kbd-led-backlight.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: ChromeOS keyboard backlight LED driver.

maintainers:

  - Tzung-Bi Shih <tzungbi@kernel.org>

properties:

  compatible:

    const: google,cros-kbd-led-backlight

required:

  - compatible

additionalProperties: false

examples:

  - |

    spi0 {

      #address-cells = <1>;

      #size-cells = <0>;

      cros_ec: ec@0 {

        compatible = "google,cros-ec-spi";

        reg = <0>;

        kbd-led-backlight {

          compatible = "google,cros-kbd-led-backlight";

        };

      };

    };

  pwm:

    $ref: "/schemas/pwm/google,cros-ec-pwm.yaml#"

  kbd-led-backlight:

    $ref: "/schemas/chrome/google,cros-kbd-led-backlight.yaml#"

  keyboard-controller:

    $ref: "/schemas/input/google,cros-ec-keyb.yaml#"