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Diffstat (limited to 'dts/Bindings/regulator/rohm,bd71837-regulator.yaml')
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1 files changed, 103 insertions, 0 deletions
diff --git a/dts/Bindings/regulator/rohm,bd71837-regulator.yaml b/dts/Bindings/regulator/rohm,bd71837-regulator.yaml new file mode 100644 index 0000000000..a323b1696e --- /dev/null +++ b/dts/Bindings/regulator/rohm,bd71837-regulator.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/rohm,bd71837-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71837 Power Management Integrated Circuit regulators + +maintainers: + - Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> + +description: | + List of regulators provided by this controller. BD71837 regulators node + should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at + Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml + Regulator nodes should be named to BUCK_<number> and LDO_<number>. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Note that if BD71837 starts at RUN state you probably want to use + regulator-boot-on at least for BUCK6 and BUCK7 so that those are not + disabled by driver at startup. LDO5 and LDO6 are supplied by those and + if they are disabled at startup the voltage monitoring for LDO5/LDO6 will + cause PMIC to reset. + +#The valid names for BD71837 regulator nodes are: +#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8 +#LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7 + +patternProperties: + "^LDO[1-7]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + properties: + regulator-name: + pattern: "^ldo[1-7]$" + description: + should be "ldo1", ..., "ldo7" + + "^BUCK[1-8]$": + type: object + allOf: + - $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + properties: + regulator-name: + pattern: "^buck[1-8]$" + description: + should be "buck1", ..., "buck8" + + rohm,dvs-run-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "RUN" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-idle-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "IDLE" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + rohm,dvs-suspend-voltage: + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 1300000 + description: + PMIC default "SUSPEND" state voltage in uV. See below table for + bucks which support this. 0 means disabled. + + # Supported default DVS states: + # + # BD71837: + # buck | dvs-run-voltage | dvs-idle-voltage | dvs-suspend-voltage + # ---------------------------------------------------------------- + # 1 | supported | supported | supported + # ---------------------------------------------------------------- + # 2 | supported | supported | not supported + # ---------------------------------------------------------------- + # 3 | supported | not supported | not supported + # ---------------------------------------------------------------- + # 4 | supported | not supported | not supported + # ---------------------------------------------------------------- + # rest | not supported | not supported | not supported + + + required: + - regulator-name + additionalProperties: false +additionalProperties: false |