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Subject[PATCH 00/14] regulator: axp20x: Stop AXP209 from crashing when enabling LDO3
Date
This series implements voltage ramping for AXP209 DCDC2 and LDO3
regulators and software based soft-start for AXP209 LDO3 regulator.

Both features are needed to work around a PMIC shutdown when
toggling LDO3 on certain boards with high capacitance on the
LDO3 output.

Similar features (or workarounds) have been also implemented
on u-boot side [1].

Also included in this series are various magic constant cleanups
and also fix for core regulator framework, where 'always-enabled'
constraint overrides the 'soft-start' and 'ramp-delay' features.

[1] https://lists.denx.de/pipermail/u-boot/2018-November/348612.html

Olliver Schinagl (14):
regulator: axp20x: use defines for masks
regulator: axp20x: name voltage ramping define properly
regulator: core: enable power when setting up constraints
regulator: axp20x: add support for set_ramp_delay for AXP209
dt-bindings: mfd: axp20x: add support for regulator-ramp-delay for AXP209
regulator: axp20x: add software based soft_start for AXP209 LDO3
dt-bindings: mfd: axp20x: Add software based soft_start for AXP209 LDO3
regulator: dts: enable soft-start and ramp delay for the OLinuXino Lime2
regulator: dts: add full voltage range to LDO4 on the Lime2
regulator: dts: set proper lradc vref on OLinuXino Lime2
mfd: axp20x: Clean up included headers
mfd: axp20x: use explicit bit defines
power: supply: axp20x: add missing include bitops.h
power: supply: axp288: use the BIT() macro

Documentation/devicetree/bindings/mfd/axp20x.txt | 8 +-
arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 13 +-
drivers/mfd/axp20x.c | 13 +-
drivers/power/supply/axp20x_usb_power.c | 1 +-
drivers/power/supply/axp288_charger.c | 35 +-
drivers/regulator/axp20x-regulator.c | 875 ++++++++++++----
drivers/regulator/core.c | 22 +-
include/linux/mfd/axp20x.h | 4 +-
8 files changed, 753 insertions(+), 218 deletions(-)

base-commit: 2e6e902d185027f8e3cb8b7305238f7e35d6a436
--
git-series 0.9.1

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