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 #include <linux/types.h>
  16
  17 /*
  18  * Orion-specific GPIO API extensions.
  19  */
  20 void orion_gpio_set_unused(unsigned pin);
  21 void orion_gpio_set_blink(unsigned pin, int blink);
  22
  23 #define GPIO_INPUT_OK           (1 << 0)
  24 #define GPIO_OUTPUT_OK          (1 << 1)
  25 void orion_gpio_set_valid(unsigned pin, int mode);
  26
  27 /* Initialize gpiolib. */
  28 void __init orion_gpio_init(int gpio_base, int ngpio,
  29                             u32 base, int mask_offset, int secondary_irq_base);
  30
  31 /*
  32  * GPIO interrupt handling.
  33  */
  34 void orion_gpio_irq_handler(int irqoff);
  35
  36
  37 #endif