diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-02 16:33:42 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 16:33:51 +0200 |
commit | 83f2f0ed715eb15a8e13c07df479d65bbc10d8d5 (patch) | |
tree | e47d7edefa210b328f8cfba43d170fc67d6e0671 /arch/arm/mach-mmp/include/mach/gpio.h | |
parent | 3de46fda4c104deef17ec70f85361f5c6b84ce0e (diff) | |
parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) |
Merge branch 'linus' into x86/urgent
Merge needed to go past commit 7ca43e756 (mm: use debug_kmap_atomic)
and fix it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-mmp/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-mmp/include/mach/gpio.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h new file mode 100644 index 000000000000..ab26d13295c4 --- /dev/null +++ b/arch/arm/mach-mmp/include/mach/gpio.h @@ -0,0 +1,36 @@ +#ifndef __ASM_MACH_GPIO_H +#define __ASM_MACH_GPIO_H + +#include <mach/addr-map.h> +#include <mach/irqs.h> +#include <asm-generic/gpio.h> + +#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000) + +#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) +#define GPIO_REG(x) (*((volatile u32 *)(GPIO_REGS_VIRT + (x)))) + +#define NR_BUILTIN_GPIO (128) + +#define gpio_to_bank(gpio) ((gpio) >> 5) +#define gpio_to_irq(gpio) (IRQ_GPIO_START + (gpio)) +#define irq_to_gpio(irq) ((irq) - IRQ_GPIO_START) + + +#define __gpio_is_inverted(gpio) (0) +#define __gpio_is_occupied(gpio) (0) + +/* NOTE: these macros are defined here to make optimization of + * gpio_{get,set}_value() to work when 'gpio' is a constant. + * Usage of these macros otherwise is no longer recommended, + * use generic GPIO API whenever possible. + */ +#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f)) + +#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00) +#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c) +#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18) +#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24) + +#include <plat/gpio.h> +#endif /* __ASM_MACH_GPIO_H */ |