[ARM] Orion: share GPIO handling code
Split off Orion GPIO handling code into plat-orion/, and add
support for multiple sets of (32) GPIO pins.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
index 640ea2a..e23a3f9 100644
--- a/arch/arm/mach-orion5x/mpp.c
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/mbus.h>
#include <linux/io.h>
+#include <asm/gpio.h>
#include <mach/hardware.h>
#include "common.h"
#include "mpp.h"
@@ -152,7 +153,10 @@
*reg &= ~(0xf << shift);
*reg |= (num_type & 0xf) << shift;
- orion5x_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
+ if (mode->type == MPP_UNUSED && (mode->mpp < 16 || is_5182()))
+ orion_gpio_set_unused(mode->mpp);
+
+ orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
mode++;
}