From 6a4e5227a33f60f918b30cf2001fb0bb259d9396 Mon Sep 17 00:00:00 2001 From: Haavard Skinnemoen Date: Mon, 5 Feb 2007 16:57:13 +0100 Subject: [AVR32] GPIO API implementation Arch-neutral GPIO calls for AVR32. GPIO IRQ support written by David Brownell. Signed-off-by: Haavard Skinnemoen --- include/asm-avr32/arch-at32ap/gpio.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 include/asm-avr32/arch-at32ap/gpio.h (limited to 'include/asm-avr32/arch-at32ap/gpio.h') diff --git a/include/asm-avr32/arch-at32ap/gpio.h b/include/asm-avr32/arch-at32ap/gpio.h new file mode 100644 index 00000000000..fcb756bdaa8 --- /dev/null +++ b/include/asm-avr32/arch-at32ap/gpio.h @@ -0,0 +1,27 @@ +#ifndef __ASM_AVR32_ARCH_GPIO_H +#define __ASM_AVR32_ARCH_GPIO_H + +#include +#include + + +/* Arch-neutral GPIO API */ +int __must_check gpio_request(unsigned int gpio, const char *label); +void gpio_free(unsigned int gpio); + +int gpio_direction_input(unsigned int gpio); +int gpio_direction_output(unsigned int gpio); +int gpio_get_value(unsigned int gpio); +void gpio_set_value(unsigned int gpio, int value); + +static inline int gpio_to_irq(unsigned int gpio) +{ + return gpio + GPIO_IRQ_BASE; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return irq - GPIO_IRQ_BASE; +} + +#endif /* __ASM_AVR32_ARCH_GPIO_H */ -- cgit v1.2.3