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 struct gpio_desc;
  19
  20 /*
  21  * Orion-specific GPIO API extensions.
  22  */
  23 void orion_gpio_set_unused(unsigned pin);
  24 void orion_gpio_set_blink(unsigned pin, int blink);
  25 int 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)
  30 void orion_gpio_set_valid(unsigned pin, int mode);
  31
  32 /* Initialize gpiolib. */
  33 void __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