| Linus Walleij | f55be1b | 2011-09-28 09:11:30 +0100 | [diff] [blame] | 1 | #ifndef __ASM_MACH_GPIO_PXA_H |
| 2 | #define __ASM_MACH_GPIO_PXA_H |
| 3 | |
| 4 | #include <mach/addr-map.h> |
| 5 | #include <mach/irqs.h> |
| 6 | |
| 7 | #define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) |
| 8 | |
| 9 | #define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) |
| Haojian Zhuang | 22f4cb4 | 2011-11-09 10:47:21 +0800 | [diff] [blame] | 10 | #define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x))) |
| Linus Walleij | f55be1b | 2011-09-28 09:11:30 +0100 | [diff] [blame] | 11 | |
| 12 | #define NR_BUILTIN_GPIO IRQ_GPIO_NUM |
| 13 | |
| 14 | #define gpio_to_bank(gpio) ((gpio) >> 5) |
| 15 | |
| 16 | /* NOTE: these macros are defined here to make optimization of |
| 17 | * gpio_{get,set}_value() to work when 'gpio' is a constant. |
| 18 | * Usage of these macros otherwise is no longer recommended, |
| 19 | * use generic GPIO API whenever possible. |
| 20 | */ |
| 21 | #define GPIO_bit(gpio) (1 << ((gpio) & 0x1f)) |
| 22 | |
| 23 | #define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00) |
| 24 | #define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c) |
| 25 | #define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18) |
| 26 | #define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24) |
| 27 | |
| 28 | #include <plat/gpio-pxa.h> |
| 29 | |
| 30 | #endif /* __ASM_MACH_GPIO_PXA_H */ |