dt-bindings: regulator: Add DT binding for cros-ec-regulator

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/regulator/google,cros-ec-regulator.yaml#

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

title: ChromeOS EC controlled voltage regulators

maintainers:

  - Pi-Hsun Shih <pihsun@chromium.org>

description:

  Any property defined as part of the core regulator binding, defined in

  regulator.yaml, can also be used.

allOf:

  - $ref: "regulator.yaml#"

properties:

  compatible:

    const: google,cros-ec-regulator

  reg:

    maxItems: 1

    description: Identifier for the voltage regulator to ChromeOS EC.

required:

  - compatible

  - reg

examples:

  - |

    spi0 {

        #address-cells = <1>;

        #size-cells = <0>;

        cros_ec: ec@0 {

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

            reg = <0>;

            #address-cells = <1>;

            #size-cells = <0>;

            regulator@0 {

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

                regulator-min-microvolt = <1800000>;

                regulator-max-microvolt = <3300000>;

                reg = <0>;

            };

        };

    };

...