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1/*
2 * External connector (extcon) class generic GPIO driver
3 *
4 * Copyright (C) 2012 Samsung Electronics
5 * Author: MyungJoo Ham <myungjoo.ham@samsung.com>
6 *
7 * based on switch class driver
8 * Copyright (C) 2008 Google, Inc.
9 * Author: Mike Lockwood <lockwood@android.com>
10 *
11 * This software is licensed under the terms of the GNU General Public
12 * License version 2, as published by the Free Software Foundation, and
13 * may be copied, distributed, and modified under those terms.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20*/
21#ifndef __EXTCON_GPIO_H__
22#define __EXTCON_GPIO_H__ __FILE__
23
24#include <linux/extcon.h>
25
26/**
27 * struct gpio_extcon_platform_data - A simple GPIO-controlled extcon device.
28 * @name The name of this GPIO extcon device.
29 * @gpio Corresponding GPIO.
30 * @debounce Debounce time for GPIO IRQ in ms.
31 * @irq_flags IRQ Flags (e.g., IRQF_TRIGGER_LOW).
32 * @state_on print_state is overriden with state_on if attached. If Null,
33 * default method of extcon class is used.
34 * @state_off print_state is overriden with state_on if detached. If Null,
35 * default method of extcon class is used.
36 *
37 * Note that in order for state_on or state_off to be valid, both state_on
38 * and state_off should be not NULL. If at least one of them is NULL,
39 * the print_state is not overriden.
40 */
41struct gpio_extcon_platform_data {
42 const char *name;
43 unsigned gpio;
44 unsigned long debounce;
45 unsigned long irq_flags;
46
47 /* if NULL, "0" or "1" will be printed */
48 const char *state_on;
49 const char *state_off;
50};
51
52#endif /* __EXTCON_GPIO_H__ */