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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
40