Merge tag 'for-6.6-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-block.git] / drivers / pinctrl / pinconf.h
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af873fce 1/* SPDX-License-Identifier: GPL-2.0-only */
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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>
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11 */
12
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13#include <linux/errno.h>
14
15struct dentry;
16struct device_node;
17struct seq_file;
18
19struct pinctrl_dev;
20struct pinctrl_map;
21struct pinctrl_setting;
22
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23#ifdef CONFIG_PINCONF
24
b9130b77 25int pinconf_check_ops(struct pinctrl_dev *pctldev);
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26int pinconf_validate_map(const struct pinctrl_map *map, int i);
27int pinconf_map_to_setting(const struct pinctrl_map *map,
1e2082b5 28 struct pinctrl_setting *setting);
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29void pinconf_free_setting(const struct pinctrl_setting *setting);
30int pinconf_apply_setting(const struct pinctrl_setting *setting);
ae6b4d85 31
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32int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
33 unsigned long *configs, size_t nconfigs);
34
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35/*
36 * You will only be interested in these if you're using PINCONF
37 * so don't supply any stubs for these.
38 */
39int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
40 unsigned long *config);
41int pin_config_group_get(const char *dev_name, const char *pin_group,
42 unsigned long *config);
43
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44#else
45
b9130b77 46static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
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47{
48 return 0;
49}
50
3f713b7c 51static inline int pinconf_validate_map(const struct pinctrl_map *map, int i)
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52{
53 return 0;
54}
55
3f713b7c 56static inline int pinconf_map_to_setting(const struct pinctrl_map *map,
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57 struct pinctrl_setting *setting)
58{
59 return 0;
60}
61
3f713b7c 62static inline void pinconf_free_setting(const struct pinctrl_setting *setting)
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63{
64}
65
3f713b7c 66static inline int pinconf_apply_setting(const struct pinctrl_setting *setting)
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67{
68 return 0;
69}
70
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71static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
72 unsigned long *configs, size_t nconfigs)
73{
74 return -ENOTSUPP;
75}
76
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77#endif
78
96593afe 79#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
c736d73c 80
3f713b7c 81void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map);
c736d73c 82void pinconf_show_setting(struct seq_file *s,
3f713b7c 83 const struct pinctrl_setting *setting);
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84void pinconf_init_device_debugfs(struct dentry *devroot,
85 struct pinctrl_dev *pctldev);
86
87#else
88
1e2082b5 89static inline void pinconf_show_map(struct seq_file *s,
3f713b7c 90 const struct pinctrl_map *map)
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91{
92}
93
94static inline void pinconf_show_setting(struct seq_file *s,
3f713b7c 95 const struct pinctrl_setting *setting)
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96{
97}
98
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99static inline void pinconf_init_device_debugfs(struct dentry *devroot,
100 struct pinctrl_dev *pctldev)
101{
102}
103
104#endif
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105
106/*
107 * The following functions are available if the driver uses the generic
108 * pin config.
109 */
110
bf4d7be5 111#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
394349f7 112
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113void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
114 struct seq_file *s, const char *gname,
115 unsigned pin);
394349f7 116
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117void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
118 struct seq_file *s, unsigned long config);
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119#else
120
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121static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
122 struct seq_file *s,
123 const char *gname, unsigned pin)
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124{
125 return;
126}
127
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128static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
129 struct seq_file *s,
130 unsigned long config)
131{
132 return;
133}
394349f7 134#endif
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135
136#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
137int pinconf_generic_parse_dt_config(struct device_node *np,
dd4d01f7 138 struct pinctrl_dev *pctldev,
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139 unsigned long **configs,
140 unsigned int *nconfigs);
141#endif