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