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 /*
  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 int orion_gpio_led_blink_set(unsigned gpio, int state,
  23         unsigned long *delay_on, unsigned long *delay_off);
  24
  25 #define GPIO_INPUT_OK           (1 << 0)
  26 #define GPIO_OUTPUT_OK          (1 << 1)
  27 void orion_gpio_set_valid(unsigned pin, int mode);
  28
  29 /* Initialize gpiolib. */
  30 void __init orion_gpio_init(struct device_node *np,
  31                             int gpio_base, int ngpio,
  32                             void __iomem *base, int mask_offset,
  33                             int secondary_irq_base,
  34                             int irq[4]);
  35
  36 void __init orion_gpio_of_init(int irq_gpio_base);
  37 #endif