1 files changed, 45 insertions, 0 deletions

diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h
new file mode 100644
index 000000000000..0180f584ef03
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/gpio.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_AVR32_ARCH_GPIO_H
+#define __ASM_AVR32_ARCH_GPIO_H
+
+#include <linux/compiler.h>
+#include <asm/irq.h>
+
+
+/* Some GPIO chips can manage IRQs; some can't.  The exact numbers can
+ * be changed if needed, but for the moment they're not configurable.
+ */
+#define ARCH_NR_GPIOS   (NR_GPIO_IRQS + 2 * 32)
+
+
+/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
+#include <asm-generic/gpio.h>
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+        return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+        __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+        return __gpio_cansleep(gpio);
+}
+
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+        if (gpio < NR_GPIO_IRQS)
+                return gpio + GPIO_IRQ_BASE;
+        return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+        return irq - GPIO_IRQ_BASE;
+}
+
+#endif /* __ASM_AVR32_ARCH_GPIO_H */