This patch moves S3C2410 stuff into mach-s3c24xx/ directory
so that we can merge the s3c24 series' directories to the
just one mach-s3c24xx/ directory.

And this patch is including following.
- re-ordered alphabetically by option text at Kconfig and Makefile
- removed unused option, MACH_N35
- fixed duplcated option name, S3C2410_DMA to S3C24XX_DMA which is
  in plat-s3c24xx/

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Rather than marking the mach/gpio.h header files which want to use the
trivial GPIOLIB implementation, mark those which do not want to use it
instead.  This means that by default, you get the trivial implementation
and only have to do something extra if you need to.  This should
encourage the use of the trivial default implementation.

As an additional bonus, several gpio.h header files become empty.
Acked-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: NJamie Iles <jamie@jamieiles.com>
Acked-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Many of the gpio_to_irq implementations use the gpiolib version of this
function.  Provide the standard gpiolib gpio_to_irq() for everyone, but
allow platforms to override it if they wish.  Add the neccessary
overrides for those platforms which do not use the standard definition.
Acked-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Consolidate 24 trivial gpiolib implementions out of mach/gpio.h
into asm/gpio.h.  This is basically the include of asm-generic/gpio.h
and the definition of gpio_get_value, gpio_set_value, and gpio_cansleep
as described in Documentation/gpio.txt
Acked-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: NDavid Brown <davidb@codeaurora.org>
Acked-by: NDavid Brown <davidb@codeaurora.org>
Tested-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NKukjin Kim <kgene.kim@samsung.com>
Tested-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

S3C2443 and S3C2416 has 12 GPIO banks (from A to M), increase
ARCH_NR_GPIOS for this architectures.

Also typo from previous commit has been fixed: CONFIG_CPU_S3C24XX
instead CONFIG_CPU_244X.
Signed-off-by: NYauhen Kharuzhy <jekhor@gmail.com>
Tested-by: NVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Increase GPIOs number for S3C244X, and make S3C_GPIO_END
point to BANKJ end, otherwise gpiolib refuses to register
BANKJ
Signed-off-by: NVasily Khoruzhick <anarsoul@gmail.com>
[ben-linux@fluff.org: Move pm fix to new patch]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Move all the gpio functions out of <mach/hardware.h> as
this file is for defining the generic IO base addresses
for the kernel IO calls.

Make a new header <mach/gpio-fns.h> to take this and
include it via the chain from <linux/gpio.h> which is
what most of these files should be using (and will be
changed as soon as possible).

Note, this does make minor changes to some drivers but
should not mess up any pending merges.

CC: Richard Purdie <rpurdie@rpsys.net>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
CC: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add the definition for S3C_GPIO_END to allow the PM code to build.

This means moving the GPIO bank numbers to a separate file to allow
the gpio and regs-gpio to include them. Including regs-gpio.h into
gpio.h causes too many build problems and adding gpio.h would mean
editing a large number of files.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add gpio_to_irq() by re-directing the call to the
generic __gpio_to_irq() code in the gpiolib.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add Kconfig entries to allow more GPIO space to
be specified depending on the machine(s) selected.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Add support for gpilib on all S3C24XX platforms.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

It's been pointed out that output GPIOs should have an initial value, to
avoid signal glitching ...  among other things, it can be some time before
a driver is ready.  This patch corrects that oversight, fixing

 - documentation
 - platforms supporting the GPIO interface
 - users of that call (just one for now, others are pending)

There's only one user of this call for now since most platforms are still
using non-generic GPIO setup code, which in most cases already couples the
initial value with its "set output mode" request.

Note that most platforms are clear about the hardware letting the output
value be set before the pin direction is changed, but the s3c241x docs are
vague on that topic ...  so those chips might not avoid the glitches.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Acked-by: NAndrew Victor <andrew@sanpeople.com>
Acked-by: NMilan Svoboda <msvoboda@ra.rockwell.com>
Acked-by: NHaavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

this one adds an #include <asm/arch/regs-gpio.h>.
Tested by Roman Moravcik on s3c2440.

Based on the discussion last december
(http://lkml.org/lkml/2006/12/20/243), this patch
 - fixes comment and includes in gpio.h
 - adds the gpio_to_irq definition for S3C2400
 - includes asm/arch/regs-gpio.h for pin direction
   definitions
Signed-off-by: NPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Arch-neutral GPIO calls for S3C24xx.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Arch-neutral GPIO calls for PXA.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>