xref: /freebsd/sys/contrib/device-tree/Bindings/regulator/richtek,rt6245-regulator.yaml (revision fac71e4e09885bb2afa3d984a0c239a52e1a7418)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/richtek,rt6245-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Richtek RT6245 High Current Voltage Regulator

maintainers:
  - ChiYuan Huang <cy_huang@richtek.com>

description: |
  The RT6245 is a high-performance, synchronous step-down converter
  that can deliver up to 14A output current with an input supply
  voltage range of 4.5V to 17V.

allOf:
  - $ref: regulator.yaml#

properties:
  compatible:
    enum:
      - richtek,rt6245

  reg:
    maxItems: 1

  enable-gpios:
    description: |
      A connection of the chip 'enable' gpio line. If not provided,
      it will be treat as a default-on power.
    maxItems: 1

  richtek,oc-level-select:
    $ref: /schemas/types.yaml#/definitions/uint8
    enum: [0, 1, 2, 3]
    description: |
      Over current level selection. Each respective value means the current
      limit 8A, 14A, 12A, 10A. If this property is missing then keep in
      in chip default.

  richtek,ot-level-select:
    $ref: /schemas/types.yaml#/definitions/uint8
    enum: [0, 1, 2]
    description: |
      Over temperature level selection. Each respective value means the degree
      150'c, 130'c, 170'c. If this property is missing then keep in chip
      default.

  richtek,pgdly-time-select:
    $ref: /schemas/types.yaml#/definitions/uint8
    enum: [0, 1, 2, 3]
    description: |
      Power good signal delay time selection. Each respective value means the
      delay time 0us, 10us, 20us, 40us. If this property is missing then keep
      in chip default.


  richtek,switch-freq-select:
    $ref: /schemas/types.yaml#/definitions/uint8
    enum: [0, 1, 2]
    description: |
      Buck switch frequency selection. Each respective value means 400KHz,
      800KHz, 1200KHz. If this property is missing then keep in chip default.

required:
  - compatible
  - reg

unevaluatedProperties: false

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

      rt6245@34 {
        compatible = "richtek,rt6245";
        reg = <0x34>;
        enable-gpios = <&gpio26 2 0>;

        regulator-name = "rt6245-regulator";
        regulator-min-microvolt = <437500>;
        regulator-max-microvolt = <1387500>;
        regulator-boot-on;
      };
    };