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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mps,mpq7920.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Monolithic Power System MPQ7920 PMIC
maintainers:
- Saravanan Sekar <sravanhome@gmail.com>
properties:
$nodename:
pattern: "pmic@[0-9a-f]{1,2}"
compatible:
enum:
- mps,mpq7920
reg:
maxItems: 1
regulators:
type: object
description: |
list of regulators provided by this controller, must be named
after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5]
properties:
mps,switch-freq:
$ref: /schemas/types.yaml#/definitions/uint8
enum: [0, 1, 2, 3]
default: 2
description: |
switching frequency must be one of following corresponding value
1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz
ldortc:
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
patternProperties:
"^ldo[1-4]$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
"^buck[1-4]$":
type: object
$ref: regulator.yaml#
properties:
mps,buck-softstart:
$ref: /schemas/types.yaml#/definitions/uint8
enum: [0, 1, 2, 3]
description: |
defines the soft start time of this buck, must be one of the following
corresponding values 150us, 300us, 610us, 920us
mps,buck-phase-delay:
$ref: /schemas/types.yaml#/definitions/uint8
enum: [0, 1, 2, 3]
description: |
defines the phase delay of this buck, must be one of the following
corresponding values 0deg, 90deg, 180deg, 270deg
mps,buck-ovp-disable:
type: boolean
description: |
disables over voltage protection of this buck
unevaluatedProperties: false
additionalProperties: false
required:
- compatible
- reg
- regulators
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@69 {
compatible = "mps,mpq7920";
reg = <0x69>;
regulators {
mps,switch-freq = /bits/ 8 <1>;
buck1 {
regulator-name = "buck1";
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <3587500>;
regulator-min-microamp = <460000>;
regulator-max-microamp = <7600000>;
regulator-boot-on;
mps,buck-ovp-disable;
mps,buck-phase-delay = /bits/ 8 <2>;
mps,buck-softstart = /bits/ 8 <1>;
};
ldo2 {
regulator-name = "ldo2";
regulator-min-microvolt = <650000>;
regulator-max-microvolt = <3587500>;
};
};
};
};
...
|
