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mfd: AB3550 core driver

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This adds a core driver for the AB3550 mixed-signal circuit
found in the ST-Ericsson U300 platforms. This driver
is a singleton proxy for all access to the AB3550 sub
functionality drivers which can be added on top of this one:
RTC, regulators, battery and system power control, vibrator,
LEDs and an ALSA codec.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mattias Wallin 2010-05-11 00:25:29 +02:00 committed by Samuel Ortiz
parent fa661258a2
commit 09bcb3f336
3 changed files with 1416 additions and 0 deletions
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14
drivers/mfd/Kconfig
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@ -423,6 +423,20 @@ config AB4500_CORE
read/write functions for the devices to get access to this chip.
This chip embeds various other multimedia funtionalities as well.
config AB3550_CORE
bool "ST-Ericsson AB3550 Mixed Signal Circuit core functions"
select MFD_CORE
depends on I2C=y && GENERIC_HARDIRQS && ABX500_CORE
help
Select this to enable the AB3550 Mixed Signal IC core
functionality. This connects to a AB3550 on the I2C bus
and expose a number of symbols needed for dependent devices
to read and write registers and subscribe to events from
this multi-functional IC. This is needed to use other features
of the AB3550 such as battery-backed RTC, charging control,
LEDs, vibrator, system power and temperature, power management
and ALSA sound.
config MFD_TIMBERDALE
tristate "Support for the Timberdale FPGA"
select MFD_CORE

1
drivers/mfd/Makefile
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@ -64,6 +64,7 @@ obj-$(CONFIG_ABX500_CORE) += abx500-core.o
obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
obj-$(CONFIG_AB4500_CORE) += ab4500-core.o
obj-$(CONFIG_AB3550_CORE) += ab3550-core.o
obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o
obj-$(CONFIG_PMIC_ADP5520) += adp5520.o
obj-$(CONFIG_LPC_SCH) += lpc_sch.o

1401
drivers/mfd/ab3550-core.c Normal file
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