Commit | Line | Data |
---|---|---|
af873fce | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
ab78029e LW |
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> | |
ab78029e LW |
12 | */ |
13 | ||
14 | #ifndef PINCTRL_DEVINFO_H | |
15 | #define PINCTRL_DEVINFO_H | |
16 | ||
e5530adc AS |
17 | struct device; |
18 | ||
ab78029e LW |
19 | #ifdef CONFIG_PINCTRL |
20 | ||
13e80244 HH |
21 | #include <linux/device.h> |
22 | ||
ab78029e LW |
23 | /* The device core acts as a consumer toward pinctrl */ |
24 | #include <linux/pinctrl/consumer.h> | |
25 | ||
e5530adc AS |
26 | struct pinctrl; |
27 | ||
ab78029e LW |
28 | /** |
29 | * struct dev_pin_info - pin state container for devices | |
30 | * @p: pinctrl handle for the containing device | |
31 | * @default_state: the default state for the handle, if found | |
ef0eebc0 DA |
32 | * @init_state: the state at probe time, if found |
33 | * @sleep_state: the state at suspend time, if found | |
34 | * @idle_state: the state at idle (runtime suspend) time, if found | |
ab78029e LW |
35 | */ |
36 | struct dev_pin_info { | |
37 | struct pinctrl *p; | |
38 | struct pinctrl_state *default_state; | |
ef0eebc0 | 39 | struct pinctrl_state *init_state; |
14005ee2 LW |
40 | #ifdef CONFIG_PM |
41 | struct pinctrl_state *sleep_state; | |
42 | struct pinctrl_state *idle_state; | |
43 | #endif | |
ab78029e LW |
44 | }; |
45 | ||
46 | extern int pinctrl_bind_pins(struct device *dev); | |
ef0eebc0 | 47 | extern int pinctrl_init_done(struct device *dev); |
ab78029e | 48 | |
13e80244 HH |
49 | static inline struct pinctrl *dev_pinctrl(struct device *dev) |
50 | { | |
51 | if (!dev->pins) | |
52 | return NULL; | |
53 | ||
54 | return dev->pins->p; | |
55 | } | |
56 | ||
ab78029e LW |
57 | #else |
58 | ||
59 | /* Stubs if we're not using pinctrl */ | |
60 | ||
61 | static inline int pinctrl_bind_pins(struct device *dev) | |
62 | { | |
63 | return 0; | |
64 | } | |
65 | ||
ef0eebc0 DA |
66 | static inline int pinctrl_init_done(struct device *dev) |
67 | { | |
68 | return 0; | |
69 | } | |
70 | ||
13e80244 HH |
71 | static inline struct pinctrl *dev_pinctrl(struct device *dev) |
72 | { | |
73 | return NULL; | |
74 | } | |
75 | ||
ab78029e LW |
76 | #endif /* CONFIG_PINCTRL */ |
77 | #endif /* PINCTRL_DEVINFO_H */ |