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diff --git a/ndk/android-ndk-r4/linux/platforms/android-4/arch-arm/usr/include/asm/arch/gpio.h b/ndk/android-ndk-r4/linux/platforms/android-4/arch-arm/usr/include/asm/arch/gpio.h
new file mode 100644
index 0000000..332246d
--- /dev/null
+++ b/ndk/android-ndk-r4/linux/platforms/android-4/arch-arm/usr/include/asm/arch/gpio.h
@@ -0,0 +1,49 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARCH_OMAP_GPIO_H
+#define __ASM_ARCH_OMAP_GPIO_H
+
+#include <asm/hardware.h>
+#include <asm/arch/irqs.h>
+#include <asm/io.h>
+
+#define OMAP_MPUIO_BASE (void __iomem *)0xfffb5000
+
+#define OMAP_MPUIO_INPUT_LATCH 0x00
+#define OMAP_MPUIO_OUTPUT 0x04
+#define OMAP_MPUIO_IO_CNTL 0x08
+#define OMAP_MPUIO_KBR_LATCH 0x10
+#define OMAP_MPUIO_KBC 0x14
+#define OMAP_MPUIO_GPIO_EVENT_MODE 0x18
+#define OMAP_MPUIO_GPIO_INT_EDGE 0x1c
+#define OMAP_MPUIO_KBD_INT 0x20
+#define OMAP_MPUIO_GPIO_INT 0x24
+#define OMAP_MPUIO_KBD_MASKIT 0x28
+#define OMAP_MPUIO_GPIO_MASKIT 0x2c
+#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30
+#define OMAP_MPUIO_LATCH 0x34
+
+#define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr))
+#define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES)
+
+#define OMAP_GPIO_IRQ(nr) (OMAP_GPIO_IS_MPUIO(nr) ?   IH_MPUIO_BASE + ((nr) & 0x0f) :   IH_GPIO_BASE + (nr))
+
+struct omap_machine_gpio_bank {
+ int start;
+ int end;
+
+ void (*set_gpio_direction)(int gpio, int is_input);
+ void (*set_gpio_dataout)(int gpio, int enable);
+ int (*get_gpio_datain)(int gpio);
+};
+
+#endif