xref: /freebsd/sys/contrib/device-tree/Bindings/hwmon/pmbus/mps,mpq8785.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/pmbus/mps,mpq8785.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Monolithic Power Systems Multiphase Voltage Regulators with PMBus

maintainers:
  - Charles Hsu <ythsu0511@gmail.com>

description:
  Monolithic Power Systems digital multiphase voltage regulators with PMBus.

properties:
  compatible:
    enum:
      - mps,mpm3695
      - mps,mpm3695-25
      - mps,mpm82504
      - mps,mpq8785

  reg:
    maxItems: 1

  mps,vout-fb-divider-ratio-permille:
    description:
      The feedback resistor divider ratio, expressed in permille
      (Vfb / Vout * 1000). This value is written to the PMBUS_VOUT_SCALE_LOOP
      register and is required for correct output voltage presentation.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 1
    maximum: 4095
    default: 706

required:
  - compatible
  - reg

allOf:
  - if:
      properties:
        compatible:
          enum:
            - mps,mpm3695
            - mps,mpm82504
    then:
      properties:
        mps,vout-fb-divider-ratio-permille:
          maximum: 1023

  - if:
      properties:
        compatible:
          const: mps,mpq8785
    then:
      properties:
        mps,vout-fb-divider-ratio-permille:
          maximum: 2047

additionalProperties: false

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

      pmic@30 {
        compatible = "mps,mpm82504";
        reg = <0x30>;
        mps,vout-fb-divider-ratio-permille = <600>;
      };
    };