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dt-bindings: regulator: Document ROHM BD71282 regulator bindings
Document ROHM BD71828 PMIC regulator device tree bindings.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/0985fec1cce98b1db66e5df2d9bcf2dfd9c224a7.1576054779.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Matti Vaittinen
and committed by
Mark Brown
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Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
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Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.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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$id: http://devicetree.org/schemas/regulator/rohm,bd71828-regulator.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ROHM BD71828 Power Management Integrated Circuit regulators
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maintainers:
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- Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
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description: |
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This module is part of the ROHM BD71828 MFD device. For more details
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see Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml.
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The regulator controller is represented as a sub-node of the PMIC node
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on the device tree.
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Regulator nodes should be named to BUCK_<number> and LDO_<number>.
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The valid names for BD71828 regulator nodes are
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BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7
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LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7
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patternProperties:
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"^LDO[1-7]$":
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type: object
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allOf:
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- $ref: regulator.yaml#
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description:
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Properties for single LDO regulator.
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properties:
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regulator-name:
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pattern: "^ldo[1-7]$"
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description:
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should be "ldo1", ..., "ldo7"
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"^BUCK[1-7]$":
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type: object
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allOf:
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- $ref: regulator.yaml#
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description:
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Properties for single BUCK regulator.
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properties:
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regulator-name:
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pattern: "^buck[1-7]$"
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description:
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should be "buck1", ..., "buck7"
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rohm,dvs-run-voltage:
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allOf:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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- minimum: 0
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maximum: 3300000
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description:
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PMIC default "RUN" state voltage in uV. See below table for
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bucks which support this. 0 means disabled.
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rohm,dvs-idle-voltage:
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allOf:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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- minimum: 0
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maximum: 3300000
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description:
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PMIC default "IDLE" state voltage in uV. See below table for
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bucks which support this. 0 means disabled.
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rohm,dvs-suspend-voltage:
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allOf:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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- minimum: 0
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maximum: 3300000
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description:
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PMIC default "SUSPEND" state voltage in uV. See below table for
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bucks which support this. 0 means disabled.
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rohm,dvs-lpsr-voltage:
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allOf:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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- minimum: 0
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maximum: 3300000
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description:
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PMIC default "LPSR" state voltage in uV. See below table for
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bucks which support this. 0 means disabled.
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# Supported default DVS states:
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# buck | run | idle | suspend | lpsr
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#--------------------------------------------------------------
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# 1, 2, 6, and 7 | supported | supported | supported (*)
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#--------------------------------------------------------------
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# 3, 4, and 5 | supported (**)
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#--------------------------------------------------------------
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#
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#(*) LPSR and SUSPEND states use same voltage but both states have own
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# enable /
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# disable settings. Voltage 0 can be specified for a state to make
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# regulator disabled on that state.
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#
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#(**) All states use same voltage but have own enable / disable
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# settings. Voltage 0 can be specified for a state to make
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# regulator disabled on that state.
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required:
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- regulator-name
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additionalProperties: false
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additionalProperties: false