The following patch is a first step to convert the 'struct pad_desc'
to a bitmapped cookie to facilitate adding platform specific pullup or
drive strength definitions to existing pad definitions without need to
rewrite the complete pad def.

The patch wraps 'struct pad_desc' in an opaque data type and
introduces macros to access the individual members.
This patch does not constitute any functional change!
Signed-off-by: NLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Since we're now using addruart to establish the debug mapping, we can
remove the io_pg_offst and phys_io members of struct machine_desc.

The various declarations were removed using the following script:

  grep -rl MACHINE_START arch/arm | xargs \
  sed -i '/MACHINE_START/,/MACHINE_END/ { /\.\(phys_io\|io_pg_offst\)/d }'

[ Initial patch was from Jeremy Kerr, example script from Russell King ]
Signed-off-by: NNicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Eric Miao <eric.miao at canonical.com>

Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

A 2M bytes SPI NOR flash(sst25vf016b) is soldered on the mx51_3ds
board.  So add the corresponding device for it.
Signed-off-by: NJason Wang <jason77.wang@gmail.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: NJason Wang <jason77.wang@gmail.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Add keymaps and imx_keypad device registration for imx51_3ds board.
Signed-off-by: NJason Wang <jason77.wang@gmail.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

3-stack is a reference board from Freescale for their i.MX51 SoC.

Add board definition, Kconfig and Makefile to enable Freescale 3-stack
board.

Boot tested on a i.MX51 3-stack Rev2.0 board
Signed-off-by: NJason Wang <jason77.wang@gmail.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>