mfd: AXP20x: Add support for AXP202 and AXP209
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Cover letter [PATCH 0/7] mfd: AXP20x: Add support for AXP202 and AXP209
Hi Carlo,
Great work, thanks for all the time you're putting into this!
I've 2 questions:
1) What dependencies does this patch-set have? Obviously it needs the NMI irq patches for A20, anything else ? I no longer see any use of a special flag for ack on unmask, is that no longer needed ?
2) No poweroff functionality ? That would be really great to have.
Regards,
Hans
Quoted 44 lines · Carlo Caione
AXP209 and AXP202 are the PMUs (Power Management Unit) used by A10, A13 and A20 SoCs and developed by X-Powers, a sister company of Allwinner. AXP20x comprises an adaptive USB-Compatible PWM charger, 2 BUCK DC-DC converters, 5 LDOs, multiple 12-bit ADCs of voltage, current and temperature as well as 4 configurable GPIOs.
This set of patches introduces the core driver and support for two different subsystems:
- Regulators
- PEK (Power Enable Key)Support for AXP209 in Cubieboard2 is also added.
Carlo Caione (7):
mfd: AXP20x: Add mfd driver for AXP20x PMIC
mfd: AXP20x: Add bindings documentation
ARM: dts: cubieboard2: Add AXP209 support
input: misc: Add driver for AXP20x Power Enable Key
input: misc: Add ABI docs for AXP20x PEK
regulator: AXP20x: Add support for regulators subsystem
ARM: dts: Cubieboard2: Add support for AXP209 regulators.../ABI/testing/sysfs-driver-input-axp-pek | 11 + Documentation/devicetree/bindings/mfd/axp20x.txt | 93 ++++++ arch/arm/boot/dts/sun7i-a20-cubieboard2.dts | 58 ++++ arch/arm/configs/sunxi_defconfig | 4 + drivers/input/misc/Kconfig | 11 + drivers/input/misc/Makefile | 1 + drivers/input/misc/axp20x-pek.c | 265 ++++++++++++++++ drivers/mfd/Kconfig | 12 + drivers/mfd/Makefile | 1 + drivers/mfd/axp20x.c | 250 +++++++++++++++ drivers/regulator/Kconfig | 7 + drivers/regulator/Makefile | 1 + drivers/regulator/axp20x-regulator.c | 349 +++++++++++++++++++++ include/linux/mfd/axp20x.h | 180 +++++++++++ 14 files changed, 1243 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-input-axp-pek create mode 100644 Documentation/devicetree/bindings/mfd/axp20x.txt create mode 100644 drivers/input/misc/axp20x-pek.c create mode 100644 drivers/mfd/axp20x.c create mode 100644 drivers/regulator/axp20x-regulator.c create mode 100644 include/linux/mfd/axp20x.h