summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/pinconf.h
blob: 32b8354d2510603c95faf36a0064b9495effbd6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/*
 * Internal interface between the core pin control system and the
 * pin config portions
 *
 * Copyright (C) 2011 ST-Ericsson SA
 * Written on behalf of Linaro for ST-Ericsson
 * Based on bits of regulator core, gpio core and clk core
 *
 * Author: Linus Walleij <linus.walleij@linaro.org>
 *
 * License terms: GNU General Public License (GPL) version 2
 */

#ifdef CONFIG_PINCONF

int pinconf_check_ops(struct pinctrl_dev *pctldev);
int pinconf_validate_map(struct pinctrl_map const *map, int i);
int pinconf_map_to_setting(struct pinctrl_map const *map,
			  struct pinctrl_setting *setting);
void pinconf_free_setting(struct pinctrl_setting const *setting);
int pinconf_apply_setting(struct pinctrl_setting const *setting);

/*
 * You will only be interested in these if you're using PINCONF
 * so don't supply any stubs for these.
 */
int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
			   unsigned long *config);
int pin_config_group_get(const char *dev_name, const char *pin_group,
			 unsigned long *config);

#else

static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
{
	return 0;
}

static inline int pinconf_validate_map(struct pinctrl_map const *map, int i)
{
	return 0;
}

static inline int pinconf_map_to_setting(struct pinctrl_map const *map,
			  struct pinctrl_setting *setting)
{
	return 0;
}

static inline void pinconf_free_setting(struct pinctrl_setting const *setting)
{
}

static inline int pinconf_apply_setting(struct pinctrl_setting const *setting)
{
	return 0;
}

#endif

#if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)

void pinconf_show_map(struct seq_file *s, struct pinctrl_map const *map);
void pinconf_show_setting(struct seq_file *s,
			  struct pinctrl_setting const *setting);
void pinconf_init_device_debugfs(struct dentry *devroot,
				 struct pinctrl_dev *pctldev);

#else

static inline void pinconf_show_map(struct seq_file *s,
				    struct pinctrl_map const *map)
{
}

static inline void pinconf_show_setting(struct seq_file *s,
			  struct pinctrl_setting const *setting)
{
}

static inline void pinconf_init_device_debugfs(struct dentry *devroot,
					       struct pinctrl_dev *pctldev)
{
}

#endif

/*
 * The following functions are available if the driver uses the generic
 * pin config.
 */

#ifdef CONFIG_GENERIC_PINCONF

void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
			      struct seq_file *s, unsigned pin);

void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
			      struct seq_file *s, const char *gname);

#else

static inline void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev,
					    struct seq_file *s,
					    unsigned pin)
{
	return;
}

static inline void pinconf_generic_dump_group(struct pinctrl_dev *pctldev,
					      struct seq_file *s,
					      const char *gname)
{
	return;
}

#endif