Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Per-device information from the pin control system.
4 * This is the stuff that get included into the device
5 * core.
6 *
7 * Copyright (C) 2012 ST-Ericsson SA
8 * Written on behalf of Linaro for ST-Ericsson
9 * This interface is used in the core to keep track of pins.
10 *
11 * Author: Linus Walleij <linus.walleij@linaro.org>
12 */
13
14#ifndef PINCTRL_DEVINFO_H
15#define PINCTRL_DEVINFO_H
16
17struct device;
18
19#ifdef CONFIG_PINCTRL
20
21/* The device core acts as a consumer toward pinctrl */
22#include <linux/pinctrl/consumer.h>
23
24struct pinctrl;
25
26/**
27 * struct dev_pin_info - pin state container for devices
28 * @p: pinctrl handle for the containing device
29 * @default_state: the default state for the handle, if found
30 * @init_state: the state at probe time, if found
31 * @sleep_state: the state at suspend time, if found
32 * @idle_state: the state at idle (runtime suspend) time, if found
33 */
34struct dev_pin_info {
35 struct pinctrl *p;
36 struct pinctrl_state *default_state;
37 struct pinctrl_state *init_state;
38#ifdef CONFIG_PM
39 struct pinctrl_state *sleep_state;
40 struct pinctrl_state *idle_state;
41#endif
42};
43
44extern int pinctrl_bind_pins(struct device *dev);
45extern int pinctrl_init_done(struct device *dev);
46
47#else
48
49/* Stubs if we're not using pinctrl */
50
51static inline int pinctrl_bind_pins(struct device *dev)
52{
53 return 0;
54}
55
56static inline int pinctrl_init_done(struct device *dev)
57{
58 return 0;
59}
60
61#endif /* CONFIG_PINCTRL */
62#endif /* PINCTRL_DEVINFO_H */