diff options
Diffstat (limited to 'include/linux/pinctrl/devinfo.h')
-rw-r--r-- | include/linux/pinctrl/devinfo.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/pinctrl/devinfo.h b/include/linux/pinctrl/devinfo.h new file mode 100644 index 000000000000..6e5f8a985ea7 --- /dev/null +++ b/include/linux/pinctrl/devinfo.h | |||
@@ -0,0 +1,45 @@ | |||
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 | */ | ||
28 | struct dev_pin_info { | ||
29 | struct pinctrl *p; | ||
30 | struct pinctrl_state *default_state; | ||
31 | }; | ||
32 | |||
33 | extern int pinctrl_bind_pins(struct device *dev); | ||
34 | |||
35 | #else | ||
36 | |||
37 | /* Stubs if we're not using pinctrl */ | ||
38 | |||
39 | static inline int pinctrl_bind_pins(struct device *dev) | ||
40 | { | ||
41 | return 0; | ||
42 | } | ||
43 | |||
44 | #endif /* CONFIG_PINCTRL */ | ||
45 | #endif /* PINCTRL_DEVINFO_H */ | ||