39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
|
/*
|
||
|
|
* arch/asm-arm/mach-kirkwood/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 */
|
||
|
|
|
||
|
|
#define GPIO_MAX 50
|
||
|
|
#define GPIO_OFF(pin) (((pin) >> 5) ? 0x0140 : 0x0100)
|
||
|
|
#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x00)
|
||
|
|
#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x04)
|
||
|
|
#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x08)
|
||
|
|
#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x0c)
|
||
|
|
#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x10)
|
||
|
|
#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x14)
|
||
|
|
#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x18)
|
||
|
|
#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x1c)
|
||
|
|
|
||
|
|
static inline int gpio_to_irq(int pin)
|
||
|
|
{
|
||
|
|
return pin + IRQ_KIRKWOOD_GPIO_START;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int irq_to_gpio(int irq)
|
||
|
|
{
|
||
|
|
return irq - IRQ_KIRKWOOD_GPIO_START;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|