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
17 #ifdef CONFIG_PINCTRL
18
19 /* The device core acts as a consumer toward pinctrl */
20 #include <linux/pinctrl/consumer.h>
21
22 /**
23 * struct dev_pin_info - pin state container for devices
24 * @p: pinctrl handle for the containing device
25 * @default_state: the default state for the handle, if found
26 * @init_state: the state at probe time, if found
27 * @sleep_state: the state at suspend time, if found
28 * @idle_state: the state at idle (runtime suspend) time, if found
29 */
30 struct dev_pin_info {
31 struct pinctrl *p;
32 struct pinctrl_state *default_state;
33 struct pinctrl_state *init_state;
34 #ifdef CONFIG_PM
35 struct pinctrl_state *sleep_state;
36 struct pinctrl_state *idle_state;
37 #endif
38 };
39
40 extern int pinctrl_bind_pins(struct device *dev);
41 extern int pinctrl_init_done(struct device *dev);
42
43 #else
44
45 struct device;
46
47 /* Stubs if we're not using pinctrl */
48
49 static inline int pinctrl_bind_pins(struct device *dev)
50 {
51 return 0;
52 }
53
54 static inline int pinctrl_init_done(struct device *dev)
55 {
56 return 0;
57 }
58
59 #endif /* CONFIG_PINCTRL */
60 #endif /* PINCTRL_DEVINFO_H */