ARM: Kconfig update to support additional GPIOs in OMAP5

OMAP5 has 8 GPIO banks so that there are 32x8 = 256 GPIOs.
In order for the gpiolib to detect and initialize these
additional GPIOs and other TWL GPIOs, ARCH_NR_GPIO is set
to 512 instead of present 256.

Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Reported-by: Govindraj.R <govindraj.raja@ti.com>
Tested-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a91009c61870..02fae9adafec 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1581,6 +1581,7 @@ config ARCH_NR_GPIO
         default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
         default 355 if ARCH_U8500
         default 264 if MACH_H4700
+        default 512 if SOC_OMAP5
         default 0
         help
           Maximum number of GPIOs in the system.