Now the MFD API is Device Tree aware we can use it for platform
registration again, even when booting with DT enabled. To aid in
Device Node pointer allocation we provide each cell with the
associative compatible string.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

Hierarchically, the AB8500 is a child of the DB8500 PRCMU. So now that
Device Tree is being used and MFD core code is Device Tree aware, we
can simply register DB8500 PRCMU from Device Tree in the normal way
then allow the DB8500 PRCMU driver to register the AB8500 as a simple
MFD device at probe time.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

We had a boot regression in Ux500 in the merge window because
two orthogonal pin control schemes for the PL011 were merged
at the same time:

- One using the .init() and .exit() hooks into the platform
  for Ux500 putting the pins into default vs sleep state
  respectively as the port was started/stopped.
  commit a0980660
  "ARM: ux500: switch to using pinctrl for uart0"

- One hogging the default setting at PL011 probe()
  commit 258e0551
  "serial: amba-pl011: adopt pinctrl support"

To get a solution that works for both let's scrap the stuff
in the platform callbacks, instead have the driver itself
select default and sleep states when the port is
started/stopped. Hopefully this works for all clients.
Platform callbacks are bad for device tree migration anyway,
so this rids us of another problem in Ux500.

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Reported-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Tested-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch adds the correct compatible string for use during Device Tree
population. Without it the DB8500 PRCMU regulators would be processed
when DT is enabled.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

ST-Ericsson uses User Interface Boards to extend functionality of
some of their development boards. However, these aren't compatible
with all the supported boards found in Mainline (Snowball for
instance). This patch ensures that the UIBs are only probed on
boards which can actually support them. This in turn saves lots of
unnecessary error messages normally found in Snowball's boot log.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

The final piece of the ab8500 puzzle. Here we prevent any of the ab8500-*
drivers from being registered from platform code when Device Tree is
enabled, as we expect DT do probe each of these individually. We also
provide the relevant compatible strings, so that DT knows which nodes
it needs to pay attention to during population.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

The patch to disable SMSC911x registration was applied twice in the upstream
kernel by mistake. Git interpreted this as 'take the same entry from a
similar struct' which was close by. This was the wrong thing to do. This patch
rectifies this error and re-enables SMSC911x registration when Device Tree is
not enabled.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Now the SCMC911x is correctly enabled in Device Tree, there is no need
to continue registering it from platform code. In fact, if we continue
doing so, the system will throw an error on boot.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

During Device Tree enablement it is necessary to remove
<hw_component>_add_<device> calls one at at time, as and when particular
devices are DT enabled. This patch provides a temporary solution. Once
the new *of_init_devices function has been fully unpopulated it will be
removed again.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

During Device Tree enablement it is necessary to remove snowball_<device>*
platform_data segments one at at time, as and when particular devices are
DT enabled. This patch provides a temporary solution. Once this new struct
is empty it will be removed again.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

ab8500-i2c is used as core code to register the ab8500 device.
After allocating ab8500 memory, it immediately calls into
ab8500-core where the real initialisation takes place. This
patch moves all core registration and memory allocation into
the true ab8500-core file and removes ab8500-i2c completely.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

This adds the required platform data and calls to enable
the CRYP/HASH driver.
Signed-off-by: NAndreas Westin <andreas.westin@stericsson.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

UART0 had a hack that enabled its pins on init and put it to
sleep on the exit callback. Replace this with the pinctrl calls
to do the same thing and update the runtime table with the two
apropriate states for runtime/active and idle.
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

This converts the Ux500 family to use the pinctrl driver for
configuring pins.
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

Signed-off-by: NShawn Guo <shawn.guo@linaro.org>
Acked-by: Nsrinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

Now the SCMC911x is correctly enabled in Device Tree, there is no need
to continue registering it from platform code. In fact, if we continue
doing so, the system will throw an error on boot.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

This patch prevents i2c devices which are not present on the Snowball
low-cost development board from being registered. Devices such as;
tc3589x, bu1780 and lp5521 are present on other supported boards,
but are not located on Snowball.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

Create devices for the MSP-blocks (MSP0, MSP1, MSP2 and MSP3)
and associate it with the correct clocks in the clock-framework.
Signed-off-by: NOla Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

This creates Device Tree bindings for the Nomadik GPIO driver.
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

To allow for proper initialisation of the SMSC9115 Ethernet chip
and other devices which may be connected to the 'external bus',
Device Tree must first enable and traverse though it. This patch
enables the 'external bus' which will facilitate further
initialisation of its suborantate DT nodes.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

This SSP Controller supports a number of serial communication methods
and as such cannot be registered using of_register_spi_devices.
Instead we register it simply as a primecell device.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Enables the 3 UARTs found on a u8500 using DT.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This adds all devices that are normally present through the
u8500_init_machine function in the device tree as well, which
will duplicate the devices that are visible.

This will not do much by itself because the device from the
device tree are not matched by any device driver until they
are converted as well. The next step is to move over one
device at a time to actually be used from the device tree
instead of the hardcoded device using auxdata to pass the
correct platform_data.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This lets us move over evertything to device tree one by one.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This provides very basic Device Tree support for ST-Ericsson's
low-cost development platform, Snowball. If Device Tree for
ux500 is enabled and the correct board is configured within the
Device Tree blob, the correct *_init_machine() will be called.

This patch is based on some original work completed by:
  Niklas Hernaeus <niklas.hernaeus@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NNiklas Hernaeus <niklas.hernaeus@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

AB8500 GPIO1 is the base of AB8500 gpio number too.
Signed-off-by: NPhilippe Langlais <philippe.langlais@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

At the request of Arnd Bergmann this patch moves all SoC
platform devices found in sysfs from /sys/devices/platform to
/sys/devices/soc<SoCNum>/. It is believed as the devices are
SoC specific and a /sys/devices/soc node has recently
become available, that this would be a more appropriate place to
display the data.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This patch provides a means for any device within ux500
platform code to allocate its own parent. This is particularly
prudent with the introduction of /sys/devices/socX, as a
device can now proclaim to be integral part of an SoC, rather
than a more generic platform device. Latter patches make good
use of this functionality.
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

This moves all the header files related to the abx500 family into
a common include directory below mfd. From now on we place any
subchip header in that directory. Headers previously in e.g.
<linux/mfd/ab8500/gpio.h> get prefixed and are now e.g.
<linux/mfd/abx500/ab8500-gpio.h>. The top-level abstract interface
remains in <linux/mfd/abx500.h>.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

Properly support the correct SDI-init sequence on the
ST-Ericsson HREFv60 and later boards in order to get
support for SD cards.
Signed-off-by: NStefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

Convert the ux500 platforms to be using the gic_handle_irq
function as their primary interrupt handler.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>

Do more work in the per-machine init calls instead of customizing
each init call.
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

The <[plat|mach]/gpio.h> file is included from upper directories
and deal with generic GPIO and gpiolib stuff. Break out the
platform and driver specific defines and functions into its own
header file.

Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Signed-off-by: NNicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NArnd Bergmann <arnd@arndb.de>

With SDI support for the Snowball we can boot from the
SD card.
Signed-off-by: NMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NRobert Marklund <robert.marklund@stericsson.com>

Based on work from Mathieu J. Poirier <mathieu.poirier@linaro.org>
For more information on snowball please visit
http://www.igloocommunity.orgSigned-off-by: NRobert Marklund <robert.marklund@stericsson.com>

This board now has complete regulation constraints and can turn
off unused regulators. For the moment we need to wire VAUX1
(V-DISPLAY rail) always on since it somehow affects the external
MMC.

Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

This patch provides platform data for following
 - uart reset function to assist uart register lockup workaround

 - init/exit function to fix glitch in the tx pin in tty_open
	when tty port0 is opened a glitch is seen in the tx line
	of uart0. This happens in pl011_startup() when tx fifo
	interrupt is provoked into asserting.
	Now uart0 pins are enabled (alt function) only when init
	is complete and turned back to gpio when closed.
Signed-off-by: NShreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This specifies the new per-platform timeout per I2C bus and
switches the I2C buses to fast mode, and increase the FIFO
depth to 8 for reads and writes.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Adding two sets of I2C devices to the same bus doesn't quite work,
atleast not anymore. Stash one array and determine how much of it
shall be added instead.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>