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
38