Documentation / devicetree / bindings / hwmon / pmbus / mps,mpq8785.yaml


Based on kernel version 6.16. Page generated on 2025-08-06 08:57 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
# 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>;
      };
    };