arch/arm/mach-orion5x/include/mach/gpio.h

   1 /*
   2  * arch/arm/mach-orion5x/include/mach/gpio.h
   3  *
   4  * This file is licensed under the terms of the GNU General Public
   5  * License version 2.  This program is licensed "as is" without any
   6  * warranty of any kind, whether express or implied.
   7  */
   8
   9 #ifndef __ASM_ARCH_GPIO_H
  10 #define __ASM_ARCH_GPIO_H
  11
  12 #include <mach/irqs.h>
  13 #include <plat/gpio.h>
  14 #include <asm-generic/gpio.h>           /* cansleep wrappers */
  15
  16 #define GPIO_MAX                32
  17 #define GPIO_OUT(pin)           ORION5X_DEV_BUS_REG(0x100)
  18 #define GPIO_IO_CONF(pin)       ORION5X_DEV_BUS_REG(0x104)
  19 #define GPIO_BLINK_EN(pin)      ORION5X_DEV_BUS_REG(0x108)
  20 #define GPIO_IN_POL(pin)        ORION5X_DEV_BUS_REG(0x10c)
  21 #define GPIO_DATA_IN(pin)       ORION5X_DEV_BUS_REG(0x110)
  22
  23 static inline int gpio_to_irq(int pin)
  24 {
  25         return pin + IRQ_ORION5X_GPIO_START;
  26 }
  27
  28 static inline int irq_to_gpio(int irq)
  29 {
  30         return irq - IRQ_ORION5X_GPIO_START;
  31 }
  32
  33
  34 #endif