diff options
Diffstat (limited to 'arch/arm/include/asm/arch-mx27/gpio.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mx27/gpio.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx27/gpio.h b/arch/arm/include/asm/arch-mx27/gpio.h index 1e38b93190..a8a1ed6b76 100644 --- a/arch/arm/include/asm/arch-mx27/gpio.h +++ b/arch/arm/include/asm/arch-mx27/gpio.h @@ -36,4 +36,24 @@ struct gpio_port_regs { struct gpio_regs port[6]; }; +/* + * GPIO Module and I/O Multiplexer + */ +#define PORTA 0 +#define PORTB 1 +#define PORTC 2 +#define PORTD 3 +#define PORTE 4 +#define PORTF 5 + +#define GPIO_PIN_MASK 0x1f +#define GPIO_PORT_SHIFT 5 +#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT) +#define GPIO_PORTA (PORTA << GPIO_PORT_SHIFT) +#define GPIO_PORTB (PORTB << GPIO_PORT_SHIFT) +#define GPIO_PORTC (PORTC << GPIO_PORT_SHIFT) +#define GPIO_PORTD (PORTD << GPIO_PORT_SHIFT) +#define GPIO_PORTE (PORTE << GPIO_PORT_SHIFT) +#define GPIO_PORTF (PORTF << GPIO_PORT_SHIFT) + #endif |