regulator: da9121: Add DA914x binding info
Add the configuration for the DA9141 and DA9142 regulators. Also tidy the table, cleaning away superfluous information. Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/9293e3ae4ff8776704257085df65516b81209b87.1638223185.git.Adam.Ward.opensource@diasemi.com Signed-off-by: Mark Brown <broonie@kernel.org>
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Adam Ward
Mark Brown
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d07fef2fcd
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@ -17,27 +17,39 @@ description: |
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Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
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Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
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Dialog Semiconductor DA9132 Double-channel 3A single-phase buck converter
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Dialog Semiconductor DA9141 Single-channel 40A quad-phase buck converter
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Dialog Semiconductor DA9142 Single-channel 20A double-phase buck converter
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Current limits
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Device parameter ranges
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This is PER PHASE, and the current limit setting in the devices reflect
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that with a maximum 10A limit. Allowing for transients at/near double
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the rated current, this translates across the device range to per
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channel figures as so...
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The current limits can be set to at/near double the rated current per channel
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to allow for transient peaks.
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Current limit changes when the output is enabled are not supported, as a
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precaution against undefined behaviour.
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| DA9121 DA9122 DA9220 DA9217
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| /DA9130 /DA9131 /DA9132
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-------------------------------------------------------------------
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Output current / channel | 10000000 5000000 3000000 6000000
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Output current / phase | 5000000 5000000 3000000 3000000
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-------------------------------------------------------------------
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Min regulator-min-microvolt| 300000 300000 300000 300000
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Max regulator-max-microvolt| 1900000 1900000 1900000 1900000
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Device hardware default | 1000000 1000000 1000000 1000000
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-------------------------------------------------------------------
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Min regulator-min-microamp | 7000000 3500000 3500000 7000000
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Max regulator-max-microamp | 20000000 10000000 6000000 12000000
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Device hardware default | 15000000 7500000 5500000 11000000
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|----------------------------------------------|
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| | range & reset default value |
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| Device |------------------------------|
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| | microvolt | microamp |
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|----------------------------------------------|
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| DA9121/DA9130 | Min: 300000 | Min: 7000000 |
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| | Max: 1900000 | Max: 20000000 |
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|----------------------------------------------|
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| DA9121/DA9131 | Min: 300000 | Min: 3500000 |
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| | Max: 1900000 | Max: 10000000 |
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|----------------------------------------------|
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| DA9121/DA9131 | Min: 300000 | Min: 3500000 |
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| | Max: 1900000 | Max: 6000000 |
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|----------------------------------------------|
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| DA9217 | Min: 300000 | Min: 7000000 |
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| | Max: 1900000 | Max: 12000000 |
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|----------------------------------------------|
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| DA9141 | Min: 300000 | Min: 26000000 |
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| | Max: 1300000 | Max: 78000000 |
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|----------------------------------------------|
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| DA9142 | Min: 300000 | Min: 13000000 |
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| | Max: 1300000 | Max: 39000000 |
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|----------------------------------------------|
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properties:
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$nodename:
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@ -51,6 +63,8 @@ properties:
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- dlg,da9130
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- dlg,da9131
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- dlg,da9132
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- dlg,da9141
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- dlg,da9142
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reg:
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maxItems: 1
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@ -69,26 +83,24 @@ properties:
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regulators:
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type: object
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$ref: regulator.yaml#
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description: |
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This node defines the settings for the BUCK. The content of the
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sub-node is defined by the standard binding for regulators; see regulator.yaml.
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The DA9121 regulator is bound using their names listed below
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buck1 - BUCK1
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buck2 - BUCK2 //DA9122, DA9220, DA9131, DA9132 only
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List of regulators provided by the device
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patternProperties:
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"^buck([1-2])$":
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type: object
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$ref: regulator.yaml#
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description: |
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Properties for a single BUCK regulator
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properties:
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regulator-mode:
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maxItems: 1
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description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
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regulator-name:
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pattern: "^BUCK([1-2])$"
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description: |
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BUCK2 present in DA9122, DA9220, DA9131, DA9132 only
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regulator-initial-mode:
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maxItems: 1
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enum: [ 0, 1, 2, 3 ]
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description: Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
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enable-gpios:
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@ -97,6 +109,7 @@ properties:
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dlg,ripple-cancel:
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$ref: "/schemas/types.yaml#/definitions/uint32"
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enum: [ 0, 1, 2, 3 ]
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description: |
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Defined in include/dt-bindings/regulator/dlg,da9121-regulator.h
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Only present on multi-channel devices (DA9122, DA9220, DA9131, DA9132)
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