LXR linux/arch/arm/plat-orion/include/plat/gpio.h

   1/*
   2 * arch/arm/plat-orion/include/plat/gpio.h
   3 *
   4 * Marvell Orion SoC GPIO handling.
   5 *
   6 * This file is licensed under the terms of the GNU General Public
   7 * License version 2.  This program is licensed "as is" without any
   8 * warranty of any kind, whether express or implied.
   9 */
  10
  11#ifndef __PLAT_GPIO_H
  12#define __PLAT_GPIO_H
  13
  14#include <linux/init.h>
  15
  16/*
  17 * GENERIC_GPIO primitives.
  18 */
  19#define gpio_get_value  __gpio_get_value
  20#define gpio_set_value  __gpio_set_value
  21#define gpio_cansleep   __gpio_cansleep
  22
  23/*
  24 * Orion-specific GPIO API extensions.
  25 */
  26void orion_gpio_set_unused(unsigned pin);
  27void orion_gpio_set_blink(unsigned pin, int blink);
  28
  29#define GPIO_INPUT_OK           (1 << 0)
  30#define GPIO_OUTPUT_OK          (1 << 1)
  31void orion_gpio_set_valid(unsigned pin, int mode);
  32
  33/* Initialize gpiolib. */
  34void __init orion_gpio_init(void);
  35
  36/*
  37 * GPIO interrupt handling.
  38 */
  39extern struct irq_chip orion_gpio_irq_chip;
  40void orion_gpio_irq_handler(int irqoff);
  41
  42
  43#endif
  44