xref: /openbmc/linux/drivers/pinctrl/pinmux.h (revision 3a9a231d)
1 /*
2  * Internal interface between the core pin control system and the
3  * pinmux portions
4  *
5  * Copyright (C) 2011 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
7  * Based on bits of regulator core, gpio core and clk core
8  *
9  * Author: Linus Walleij <linus.walleij@linaro.org>
10  *
11  * License terms: GNU General Public License (GPL) version 2
12  */
13 #ifdef CONFIG_PINMUX
14 
15 int pinmux_check_ops(const struct pinmux_ops *ops);
16 void pinmux_init_device_debugfs(struct dentry *devroot,
17 				struct pinctrl_dev *pctldev);
18 void pinmux_init_debugfs(struct dentry *subsys_root);
19 int pinmux_hog_maps(struct pinctrl_dev *pctldev);
20 void pinmux_unhog_maps(struct pinctrl_dev *pctldev);
21 
22 #else
23 
24 static inline int pinmux_check_ops(const struct pinmux_ops *ops)
25 {
26 	return 0;
27 }
28 
29 static inline void pinmux_init_device_debugfs(struct dentry *devroot,
30 					      struct pinctrl_dev *pctldev)
31 {
32 }
33 
34 static inline void pinmux_init_debugfs(struct dentry *subsys_root)
35 {
36 }
37 
38 static inline int pinmux_hog_maps(struct pinctrl_dev *pctldev)
39 {
40 	return 0;
41 }
42 
43 static inline void pinmux_unhog_maps(struct pinctrl_dev *pctldev)
44 {
45 }
46 
47 #endif
48