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regulator: bd71828: Basic support for ROHM bd71828 PMIC regulators

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ROHM BD71828 is a power management IC containing 7 bucks and 7 LDOs. Bucks
1,2,6 and 7 can be assigned to a regulator group controlled by run-levels.
Eg. Voltages and enable/disable statuses for specific run-levels (run0 to
run3) can be set via register interface and run level changes can then be
done either via I2C or GPIO.

This initial commit does not support assigning bucks to be controlled via
run-levels but only allows them to be individually controlled.

LDO5 voltage can also be controlled by GPIO2 pin and register interfaces
but this driver only supports the control via register.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/5b1c4a22c7945e97ff2a7924abfeb3239043f8eb.1576054779.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Matti Vaittinen
2019-12-11 11:46:11 +02:00
committed by Mark Brown
parent 84a867c078
commit 522498f8cb
3 changed files with 825 additions and 0 deletions
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12
drivers/regulator/Kconfig
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@@ -194,6 +194,18 @@ config REGULATOR_BD70528
This driver can also be built as a module. If so, the module
will be called bd70528-regulator.
config REGULATOR_BD71828
tristate "ROHM BD71828 Power Regulator"
depends on MFD_ROHM_BD71828
select REGULATOR_ROHM
help
This driver supports voltage regulators on ROHM BD71828 PMIC.
This will enable support for the software controllable buck
and LDO regulators.
This driver can also be built as a module. If so, the module
will be called bd71828-regulator.
config REGULATOR_BD718XX
tristate "ROHM BD71837 Power Regulator"
depends on MFD_ROHM_BD718XX

1
drivers/regulator/Makefile
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@@ -28,6 +28,7 @@ obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o
obj-$(CONFIG_REGULATOR_BD70528) += bd70528-regulator.o
obj-$(CONFIG_REGULATOR_BD71828) += bd71828-regulator.o
obj-$(CONFIG_REGULATOR_BD718XX) += bd718x7-regulator.o
obj-$(CONFIG_REGULATOR_BD9571MWV) += bd9571mwv-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o

812
drivers/regulator/bd71828-regulator.c Normal file
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