diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/gpio.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-at91/gpio.h b/arch/arm/include/asm/arch-at91/gpio.h index 0700427fa4..b340afef19 100644 --- a/arch/arm/include/asm/arch-at91/gpio.h +++ b/arch/arm/include/asm/arch-at91/gpio.h @@ -231,4 +231,26 @@ static inline unsigned pin_to_mask(unsigned pin) #define at91_set_gpio_value(x, y) at91_set_pio_value(x, y) #define at91_get_gpio_value(x) at91_get_pio_value(x) #endif -#endif + +#define GPIO_PIOA_BASE (0) +#define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32) +#define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32) +#define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32) +#define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32) +#define GPIO_PIN_PA(x) (GPIO_PIOA_BASE + (x)) +#define GPIO_PIN_PB(x) (GPIO_PIOB_BASE + (x)) +#define GPIO_PIN_PC(x) (GPIO_PIOC_BASE + (x)) +#define GPIO_PIN_PD(x) (GPIO_PIOD_BASE + (x)) +#define GPIO_PIN_PE(x) (GPIO_PIOE_BASE + (x)) + +static inline unsigned at91_gpio_to_port(unsigned gpio) +{ + return gpio / 32; +} + +static inline unsigned at91_gpio_to_pin(unsigned gpio) +{ + return gpio % 32; +} + +#endif /* __ASM_ARCH_AT91_GPIO_H */ |