1#ifndef __ASM_MACH_GPIO_H 2#define __ASM_MACH_GPIO_H 3 4#include <mach/addr-map.h> 5#include <mach/irqs.h> 6#include <asm-generic/gpio.h> 7 8#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) 9 10#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) 11#define GPIO_REG(x) (*((volatile u32 *)(GPIO_REGS_VIRT + (x)))) 12 13#define NR_BUILTIN_GPIO (192) 14 15#define gpio_to_bank(gpio) ((gpio) >> 5) 16#define gpio_to_irq(gpio) (IRQ_GPIO_START + (gpio)) 17#define irq_to_gpio(irq) ((irq) - IRQ_GPIO_START) 18 19 20#define __gpio_is_inverted(gpio) (0) 21#define __gpio_is_occupied(gpio) (0) 22 23/* NOTE: these macros are defined here to make optimization of 24 * gpio_{get,set}_value() to work when 'gpio' is a constant. 25 * Usage of these macros otherwise is no longer recommended, 26 * use generic GPIO API whenever possible. 27 */ 28#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f)) 29 30#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00) 31#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c) 32#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18) 33#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24) 34 35#include <plat/gpio.h> 36#endif /* __ASM_MACH_GPIO_H */ 37