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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Internal interface between the core pin control system and the
4 * pin config portions
5 *
6 * Copyright (C) 2011 ST-Ericsson SA
7 * Written on behalf of Linaro for ST-Ericsson
8 * Based on bits of regulator core, gpio core and clk core
9 *
10 * Author: Linus Walleij <linus.walleij@linaro.org>
11 */
12
13#ifdef CONFIG_PINCONF
14
15int pinconf_check_ops(struct pinctrl_dev *pctldev);
16int pinconf_validate_map(const struct pinctrl_map *map, int i);
17int pinconf_map_to_setting(const struct pinctrl_map *map,
18 struct pinctrl_setting *setting);
19void pinconf_free_setting(const struct pinctrl_setting *setting);
20int pinconf_apply_setting(const struct pinctrl_setting *setting);
21
22int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
23 unsigned long *configs, size_t nconfigs);
24
25/*
26 * You will only be interested in these if you're using PINCONF
27 * so don't supply any stubs for these.
28 */
29int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
30 unsigned long *config);
31int pin_config_group_get(const char *dev_name, const char *pin_group,
32 unsigned long *config);
33
34#else
35
36static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
37{
38 return 0;
39}
40
41static inline int pinconf_validate_map(const struct pinctrl_map *map, int i)
42{
43 return 0;
44}
45
46static inline int pinconf_map_to_setting(const struct pinctrl_map *map,
47 struct pinctrl_setting *setting)
48{
49 return 0;
50}
51
52static inline void pinconf_free_setting(const struct pinctrl_setting *setting)
53{
54}
55
56static inline int pinconf_apply_setting(const struct pinctrl_setting *setting)
57{
58 return 0;
59}
60
61static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
62 unsigned long *configs, size_t nconfigs)
63{
64 return -ENOTSUPP;
65}
66
67#endif
68
69#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
70
71void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map);
72void pinconf_show_setting(struct seq_file *s,
73 const struct pinctrl_setting *setting);
74void pinconf_init_device_debugfs(struct dentry *devroot,
75 struct pinctrl_dev *pctldev);
76
77#else
78
79static inline void pinconf_show_map(struct seq_file *s,
80 const struct pinctrl_map *map)
81{
82}
83
84static inline void pinconf_show_setting(struct seq_file *s,
85 const struct pinctrl_setting *setting)
86{
87}
88
89static inline void pinconf_init_device_debugfs(struct dentry *devroot,
90 struct pinctrl_dev *pctldev)
91{
92}
93
94#endif
95
96/*
97 * The following functions are available if the driver uses the generic
98 * pin config.
99 */
100
101#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
102
103void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
104 struct seq_file *s, const char *gname,
105 unsigned pin);
106
107void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
108 struct seq_file *s, unsigned long config);
109#else
110
111static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
112 struct seq_file *s,
113 const char *gname, unsigned pin)
114{
115 return;
116}
117
118static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
119 struct seq_file *s,
120 unsigned long config)
121{
122 return;
123}
124#endif
125
126#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
127int pinconf_generic_parse_dt_config(struct device_node *np,
128 struct pinctrl_dev *pctldev,
129 unsigned long **configs,
130 unsigned int *nconfigs);
131#endif
1/*
2 * Internal interface between the core pin control system and the
3 * pin config 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
14#ifdef CONFIG_PINCONF
15
16int pinconf_check_ops(struct pinctrl_dev *pctldev);
17int pinconf_validate_map(struct pinctrl_map const *map, int i);
18int pinconf_map_to_setting(struct pinctrl_map const *map,
19 struct pinctrl_setting *setting);
20void pinconf_free_setting(struct pinctrl_setting const *setting);
21int pinconf_apply_setting(struct pinctrl_setting const *setting);
22
23/*
24 * You will only be interested in these if you're using PINCONF
25 * so don't supply any stubs for these.
26 */
27int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
28 unsigned long *config);
29int pin_config_group_get(const char *dev_name, const char *pin_group,
30 unsigned long *config);
31
32#else
33
34static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
35{
36 return 0;
37}
38
39static inline int pinconf_validate_map(struct pinctrl_map const *map, int i)
40{
41 return 0;
42}
43
44static inline int pinconf_map_to_setting(struct pinctrl_map const *map,
45 struct pinctrl_setting *setting)
46{
47 return 0;
48}
49
50static inline void pinconf_free_setting(struct pinctrl_setting const *setting)
51{
52}
53
54static inline int pinconf_apply_setting(struct pinctrl_setting const *setting)
55{
56 return 0;
57}
58
59#endif
60
61#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
62
63void pinconf_show_map(struct seq_file *s, struct pinctrl_map const *map);
64void pinconf_show_setting(struct seq_file *s,
65 struct pinctrl_setting const *setting);
66void pinconf_init_device_debugfs(struct dentry *devroot,
67 struct pinctrl_dev *pctldev);
68
69#else
70
71static inline void pinconf_show_map(struct seq_file *s,
72 struct pinctrl_map const *map)
73{
74}
75
76static inline void pinconf_show_setting(struct seq_file *s,
77 struct pinctrl_setting const *setting)
78{
79}
80
81static inline void pinconf_init_device_debugfs(struct dentry *devroot,
82 struct pinctrl_dev *pctldev)
83{
84}
85
86#endif
87
88/*
89 * The following functions are available if the driver uses the generic
90 * pin config.
91 */
92
93#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
94
95void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
96 struct seq_file *s, const char *gname,
97 unsigned pin);
98
99void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
100 struct seq_file *s, unsigned long config);
101#else
102
103static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
104 struct seq_file *s,
105 const char *gname, unsigned pin)
106{
107 return;
108}
109
110static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
111 struct seq_file *s,
112 unsigned long config)
113{
114 return;
115}
116#endif
117
118#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
119int pinconf_generic_parse_dt_config(struct device_node *np,
120 struct pinctrl_dev *pctldev,
121 unsigned long **configs,
122 unsigned int *nconfigs);
123#endif