As gpiolib doesn't support pin multiplexing, it provides no way to
access the GPIOFUNC register. Also there is no support for setting
interrupt status and level. These functions provide access to them and
are needed by the CompactFlash driver.
Signed-off-by: NPhil Sutter <n0-1@freewrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

This patch sets the correct interrupt status and level
in order to get the CompactFlash adapter working.
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

This patch converts the rb532 code to use gpio library
and register its gpio chip.
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

This patch replaces a raw read using volatiles
with a readl.
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

This patch fixes the misuse of virtual addresses for the GPIO and third
device controller which would lead to problems while accessing ioremap'd
registers.
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

A recent generic change now catches such bugs:

<--  snip  -->

...
  CC      arch/mips/rb532/time.o
cc1: warnings being treated as errors
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c: In function 'plat_time_init':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:55: error: comparison of distinct pointer types lacks a cast
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:66: error: comparison of distinct pointer types lacks a cast
make[2]: *** [arch/mips/rb532/time.o] Error 1

<--  snip  -->
Reported-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

Signed-off-by: NPhil Sutter <n0-1@freewrt.org>
Signed-off-by: NFlorian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>