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116 lines
2.9 KiB
116 lines
2.9 KiB
# 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 <[email protected]> |
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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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$ref: "/schemas/types.yaml#/definitions/uint8" |
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enum: [0, 1, 2, 3] |
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default: 2 |
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description: | |
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switching frequency must be one of following corresponding value |
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1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz |
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patternProperties: |
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"^ldo[1-4]$": |
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type: object |
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$ref: regulator.yaml# |
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"^ldortc$": |
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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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