1/*
2 * Per-device information from the pin control system.
3 * This is the stuff that get included into the device
4 * core.
5 *
6 * Copyright (C) 2012 ST-Ericsson SA
7 * Written on behalf of Linaro for ST-Ericsson
8 * This interface is used in the core to keep track of pins.
9 *
10 * Author: Linus Walleij <linus.walleij@linaro.org>
11 *
12 * License terms: GNU General Public License (GPL) version 2
13 */
14
15#ifndef PINCTRL_DEVINFO_H
16#define PINCTRL_DEVINFO_H
17
18#ifdef CONFIG_PINCTRL
19
20/* The device core acts as a consumer toward pinctrl */
21#include <linux/pinctrl/consumer.h>
22
23/**
24 * struct dev_pin_info - pin state container for devices
25 * @p: pinctrl handle for the containing device
26 * @default_state: the default state for the handle, if found
27 */
28struct dev_pin_info {
29	struct pinctrl *p;
30	struct pinctrl_state *default_state;
31#ifdef CONFIG_PM
32	struct pinctrl_state *sleep_state;
33	struct pinctrl_state *idle_state;
34#endif
35};
36
37extern int pinctrl_bind_pins(struct device *dev);
38
39#else
40
41/* Stubs if we're not using pinctrl */
42
43static inline int pinctrl_bind_pins(struct device *dev)
44{
45	return 0;
46}
47
48#endif /* CONFIG_PINCTRL */
49#endif /* PINCTRL_DEVINFO_H */
50