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

   1/*
   2 * arch/arm/plat-orion/include/plat/orion-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#include <linux/types.h>
  16#include <linux/irqdomain.h>
  17
  18struct gpio_desc;
  19
  20/*
  21 * Orion-specific GPIO API extensions.
  22 */
  23void orion_gpio_set_unused(unsigned pin);
  24void orion_gpio_set_blink(unsigned pin, int blink);
  25int orion_gpio_led_blink_set(struct gpio_desc *desc, int state,
  26        unsigned long *delay_on, unsigned long *delay_off);
  27
  28#define GPIO_INPUT_OK           (1 << 0)
  29#define GPIO_OUTPUT_OK          (1 << 1)
  30void orion_gpio_set_valid(unsigned pin, int mode);
  31
  32/* Initialize gpiolib. */
  33void __init orion_gpio_init(struct device_node *np,
  34                            int gpio_base, int ngpio,
  35                            void __iomem *base, int mask_offset,
  36                            int secondary_irq_base,
  37                            int irq[4]);
  38
  39#endif
  40