diff options
Diffstat (limited to 'arch/arm/mach-mv78xx0/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-mv78xx0/include/mach/gpio.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-mv78xx0/include/mach/gpio.h b/arch/arm/mach-mv78xx0/include/mach/gpio.h new file mode 100644 index 00000000000..d9d1535ea10 --- /dev/null +++ b/arch/arm/mach-mv78xx0/include/mach/gpio.h @@ -0,0 +1,40 @@ +/* + * arch/asm-arm/mach-mv78xx0/include/mach/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#include <mach/irqs.h> +#include <plat/gpio.h> +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +extern int mv78xx0_core_index(void); + +#define GPIO_MAX 32 +#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + 0x0100) +#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + 0x0104) +#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + 0x0108) +#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + 0x010c) +#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + 0x0110) +#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + 0x0114) +#define GPIO_MASK_OFF (mv78xx0_core_index() ? 0x18 : 0) +#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + 0x0118 + GPIO_MASK_OFF) +#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + 0x011c + GPIO_MASK_OFF) + +static inline int gpio_to_irq(int pin) +{ + return pin + IRQ_MV78XX0_GPIO_START; +} + +static inline int irq_to_gpio(int irq) +{ + return irq - IRQ_MV78XX0_GPIO_START; +} + + +#endif |