Documentation / devicetree / bindings / regulator / maxim,max77620-regulator.yaml


Based on kernel version 7.2. Page generated on 2026-08-20 08:41 EST.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/maxim,max77620-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Regulator for MAX77620 Power management IC from Maxim Semiconductor.

maintainers:
  - Svyatoslav Ryhel <clamor95@gmail.com>

description:
  Device has multiple DCDC(sd[0-3]) and LDOs(ldo[0-8]). The input supply
  of these regulators are defined under parent device node. Details of
  regulator properties are defined as child node under sub-node "regulators"
  which is child node of device node.

patternProperties:
  "^in-(sd[0-3]|ldo(0-1|2|3-5|4-6|7-8))-supply$":
    $ref: /schemas/types.yaml#/definitions/phandle
    description: Input supply for DCDC or LDO
 
  "^(sd[0-3]|ldo[0-8])$":
    type: object
    $ref: /schemas/regulator/regulator.yaml#
    unevaluatedProperties: false

    properties:
      maxim,active-fps-source:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: |
          FPS source for the GPIOs to get enabled/disabled when system is in
          active state. Valid values are:
          - MAX77620_FPS_SRC_0: FPS source is FPS0.
          - MAX77620_FPS_SRC_1: FPS source is FPS1
          - MAX77620_FPS_SRC_2: FPS source is FPS2
          - MAX77620_FPS_SRC_NONE: GPIO is not controlled by FPS events and
                                   it gets enabled/disabled by register access.
          Absence of this property will leave the FPS configuration register
          for that GPIO to default configuration.

      maxim,active-fps-power-up-slot:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          Sequencing event slot number on which the GPIO get enabled when
          master FPS input event set to HIGH. This is applicable if FPS source
          is selected as FPS0, FPS1 or FPS2.
        enum: [0, 1, 2, 3, 4, 5, 6, 7]

      maxim,active-fps-power-down-slot:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          Sequencing event slot number on which the GPIO get disabled when
          master FPS input event set to LOW. This is applicable if FPS source
          is selected as FPS0, FPS1 or FPS2.
        enum: [0, 1, 2, 3, 4, 5, 6, 7]

      maxim,suspend-fps-source:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          This is same as property "maxim,active-fps-source" but value get
          configured when system enters in to suspend state.

      maxim,suspend-fps-power-up-slot:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          This is same as property "maxim,active-fps-power-up-slot" but this
          value get configured into FPS configuration register when system
          enters into suspend. This is applicable if suspend state FPS source
          is selected as FPS0, FPS1 or FPS2.
        enum: [0, 1, 2, 3, 4, 5, 6, 7]

      maxim,suspend-fps-power-down-slot:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          This is same as property "maxim,active-fps-power-down-slot" but this
          value get configured into FPS configuration register when system
          enters into suspend. This is applicable if suspend state FPS source
          is selected as FPS0, FPS1 or FPS2.
        enum: [0, 1, 2, 3, 4, 5, 6, 7]

      maxim,ramp-rate-setting:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: |
          Ramp rate(uV/us) setting to be configured to the device. The platform
          may have different ramp rate than advertised ramp rate if it has design
          variation from Maxim's recommended. On this case, platform specific
          ramp rate is used for ramp time calculation and this property is used
          for device register configurations. The measured ramp rate of platform
          is provided by the regulator-ramp-delay.
 
          Maxim Max77620 supports following ramp delay:
            SD: 13.75mV/us, 27.5mV/us, 55mV/us
            LDOs: 5mV/us, 100mV/us
        enum: [5000, 13750, 27500, 55000, 100000]

additionalProperties: false
 
# see maxim,max77620.yaml for an example