Commit | Line | Data |
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af873fce | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
ae6b4d85 LW |
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> | |
ae6b4d85 LW |
11 | */ |
12 | ||
e5530adc AS |
13 | #include <linux/errno.h> |
14 | ||
15 | struct dentry; | |
16 | struct device_node; | |
17 | struct seq_file; | |
18 | ||
19 | struct pinctrl_dev; | |
20 | struct pinctrl_map; | |
21 | struct pinctrl_setting; | |
22 | ||
ae6b4d85 LW |
23 | #ifdef CONFIG_PINCONF |
24 | ||
b9130b77 | 25 | int pinconf_check_ops(struct pinctrl_dev *pctldev); |
3f713b7c MY |
26 | int pinconf_validate_map(const struct pinctrl_map *map, int i); |
27 | int pinconf_map_to_setting(const struct pinctrl_map *map, | |
1e2082b5 | 28 | struct pinctrl_setting *setting); |
3f713b7c MY |
29 | void pinconf_free_setting(const struct pinctrl_setting *setting); |
30 | int pinconf_apply_setting(const struct pinctrl_setting *setting); | |
ae6b4d85 | 31 | |
15381bc7 MW |
32 | int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin, |
33 | unsigned long *configs, size_t nconfigs); | |
34 | ||
394349f7 LW |
35 | /* |
36 | * You will only be interested in these if you're using PINCONF | |
37 | * so don't supply any stubs for these. | |
38 | */ | |
39 | int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin, | |
40 | unsigned long *config); | |
41 | int pin_config_group_get(const char *dev_name, const char *pin_group, | |
42 | unsigned long *config); | |
43 | ||
ae6b4d85 LW |
44 | #else |
45 | ||
b9130b77 | 46 | static inline int pinconf_check_ops(struct pinctrl_dev *pctldev) |
ae6b4d85 LW |
47 | { |
48 | return 0; | |
49 | } | |
50 | ||
3f713b7c | 51 | static inline int pinconf_validate_map(const struct pinctrl_map *map, int i) |
1e2082b5 SW |
52 | { |
53 | return 0; | |
54 | } | |
55 | ||
3f713b7c | 56 | static inline int pinconf_map_to_setting(const struct pinctrl_map *map, |
1e2082b5 SW |
57 | struct pinctrl_setting *setting) |
58 | { | |
59 | return 0; | |
60 | } | |
61 | ||
3f713b7c | 62 | static inline void pinconf_free_setting(const struct pinctrl_setting *setting) |
1e2082b5 SW |
63 | { |
64 | } | |
65 | ||
3f713b7c | 66 | static inline int pinconf_apply_setting(const struct pinctrl_setting *setting) |
1e2082b5 SW |
67 | { |
68 | return 0; | |
69 | } | |
70 | ||
15381bc7 MW |
71 | static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin, |
72 | unsigned long *configs, size_t nconfigs) | |
73 | { | |
74 | return -ENOTSUPP; | |
75 | } | |
76 | ||
c736d73c SW |
77 | #endif |
78 | ||
96593afe | 79 | #if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS) |
c736d73c | 80 | |
3f713b7c | 81 | void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map); |
c736d73c | 82 | void pinconf_show_setting(struct seq_file *s, |
3f713b7c | 83 | const struct pinctrl_setting *setting); |
c736d73c SW |
84 | void pinconf_init_device_debugfs(struct dentry *devroot, |
85 | struct pinctrl_dev *pctldev); | |
86 | ||
87 | #else | |
88 | ||
1e2082b5 | 89 | static inline void pinconf_show_map(struct seq_file *s, |
3f713b7c | 90 | const struct pinctrl_map *map) |
1e2082b5 SW |
91 | { |
92 | } | |
93 | ||
94 | static inline void pinconf_show_setting(struct seq_file *s, | |
3f713b7c | 95 | const struct pinctrl_setting *setting) |
1e2082b5 SW |
96 | { |
97 | } | |
98 | ||
ae6b4d85 LW |
99 | static inline void pinconf_init_device_debugfs(struct dentry *devroot, |
100 | struct pinctrl_dev *pctldev) | |
101 | { | |
102 | } | |
103 | ||
104 | #endif | |
394349f7 LW |
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 | |
dd4d01f7 SB |
113 | void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev, |
114 | struct seq_file *s, const char *gname, | |
115 | unsigned pin); | |
394349f7 | 116 | |
9cfd1724 HZ |
117 | void pinconf_generic_dump_config(struct pinctrl_dev *pctldev, |
118 | struct seq_file *s, unsigned long config); | |
394349f7 LW |
119 | #else |
120 | ||
dd4d01f7 SB |
121 | static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev, |
122 | struct seq_file *s, | |
123 | const char *gname, unsigned pin) | |
394349f7 LW |
124 | { |
125 | return; | |
126 | } | |
127 | ||
9cfd1724 HZ |
128 | static 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 |
7db9af4b HS |
135 | |
136 | #if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF) | |
137 | int pinconf_generic_parse_dt_config(struct device_node *np, | |
dd4d01f7 | 138 | struct pinctrl_dev *pctldev, |
7db9af4b HS |
139 | unsigned long **configs, |
140 | unsigned int *nconfigs); | |
141 | #endif |