1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 *  Include file for NEC VR4100 series General-purpose I/O Unit.
 4 *
 5 *  Copyright (C) 2005-2009  Yoichi Yuasa <yuasa@linux-mips.org>
 6 */
 7#ifndef __NEC_VR41XX_GIU_H
 8#define __NEC_VR41XX_GIU_H
 9
10/*
11 * NEC VR4100 series GIU platform device IDs.
12 */
13enum {
14	GPIO_50PINS_PULLUPDOWN,
15	GPIO_36PINS,
16	GPIO_48PINS_EDGE_SELECT,
17};
18
19typedef enum {
20	IRQ_TRIGGER_LEVEL,
21	IRQ_TRIGGER_EDGE,
22	IRQ_TRIGGER_EDGE_FALLING,
23	IRQ_TRIGGER_EDGE_RISING,
24} irq_trigger_t;
25
26typedef enum {
27	IRQ_SIGNAL_THROUGH,
28	IRQ_SIGNAL_HOLD,
29} irq_signal_t;
30
31extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger,
32				   irq_signal_t signal);
33
34typedef enum {
35	IRQ_LEVEL_LOW,
36	IRQ_LEVEL_HIGH,
37} irq_level_t;
38
39extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);
40
41#endif /* __NEC_VR41XX_GIU_H */