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12#ifndef __LINUX_PINCTRL_MACHINE_H
13#define __LINUX_PINCTRL_MACHINE_H
14
15#include <linux/bug.h>
16
17#include <linux/pinctrl/pinctrl-state.h>
18
19enum pinctrl_map_type {
20 PIN_MAP_TYPE_INVALID,
21 PIN_MAP_TYPE_DUMMY_STATE,
22 PIN_MAP_TYPE_MUX_GROUP,
23 PIN_MAP_TYPE_CONFIGS_PIN,
24 PIN_MAP_TYPE_CONFIGS_GROUP,
25};
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33
34struct pinctrl_map_mux {
35 const char *group;
36 const char *function;
37};
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47
48struct pinctrl_map_configs {
49 const char *group_or_pin;
50 unsigned long *configs;
51 unsigned num_configs;
52};
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66
67
68struct pinctrl_map {
69 const char *dev_name;
70 const char *name;
71 enum pinctrl_map_type type;
72 const char *ctrl_dev_name;
73 union {
74 struct pinctrl_map_mux mux;
75 struct pinctrl_map_configs configs;
76 } data;
77};
78
79
80
81#define PIN_MAP_DUMMY_STATE(dev, state) \
82 { \
83 .dev_name = dev, \
84 .name = state, \
85 .type = PIN_MAP_TYPE_DUMMY_STATE, \
86 }
87
88#define PIN_MAP_MUX_GROUP(dev, state, pinctrl, grp, func) \
89 { \
90 .dev_name = dev, \
91 .name = state, \
92 .type = PIN_MAP_TYPE_MUX_GROUP, \
93 .ctrl_dev_name = pinctrl, \
94 .data.mux = { \
95 .group = grp, \
96 .function = func, \
97 }, \
98 }
99
100#define PIN_MAP_MUX_GROUP_DEFAULT(dev, pinctrl, grp, func) \
101 PIN_MAP_MUX_GROUP(dev, PINCTRL_STATE_DEFAULT, pinctrl, grp, func)
102
103#define PIN_MAP_MUX_GROUP_HOG(dev, state, grp, func) \
104 PIN_MAP_MUX_GROUP(dev, state, dev, grp, func)
105
106#define PIN_MAP_MUX_GROUP_HOG_DEFAULT(dev, grp, func) \
107 PIN_MAP_MUX_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, func)
108
109#define PIN_MAP_CONFIGS_PIN(dev, state, pinctrl, pin, cfgs) \
110 { \
111 .dev_name = dev, \
112 .name = state, \
113 .type = PIN_MAP_TYPE_CONFIGS_PIN, \
114 .ctrl_dev_name = pinctrl, \
115 .data.configs = { \
116 .group_or_pin = pin, \
117 .configs = cfgs, \
118 .num_configs = ARRAY_SIZE(cfgs), \
119 }, \
120 }
121
122#define PIN_MAP_CONFIGS_PIN_DEFAULT(dev, pinctrl, pin, cfgs) \
123 PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_DEFAULT, pinctrl, pin, cfgs)
124
125#define PIN_MAP_CONFIGS_PIN_HOG(dev, state, pin, cfgs) \
126 PIN_MAP_CONFIGS_PIN(dev, state, dev, pin, cfgs)
127
128#define PIN_MAP_CONFIGS_PIN_HOG_DEFAULT(dev, pin, cfgs) \
129 PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_DEFAULT, dev, pin, cfgs)
130
131#define PIN_MAP_CONFIGS_GROUP(dev, state, pinctrl, grp, cfgs) \
132 { \
133 .dev_name = dev, \
134 .name = state, \
135 .type = PIN_MAP_TYPE_CONFIGS_GROUP, \
136 .ctrl_dev_name = pinctrl, \
137 .data.configs = { \
138 .group_or_pin = grp, \
139 .configs = cfgs, \
140 .num_configs = ARRAY_SIZE(cfgs), \
141 }, \
142 }
143
144#define PIN_MAP_CONFIGS_GROUP_DEFAULT(dev, pinctrl, grp, cfgs) \
145 PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, pinctrl, grp, cfgs)
146
147#define PIN_MAP_CONFIGS_GROUP_HOG(dev, state, grp, cfgs) \
148 PIN_MAP_CONFIGS_GROUP(dev, state, dev, grp, cfgs)
149
150#define PIN_MAP_CONFIGS_GROUP_HOG_DEFAULT(dev, grp, cfgs) \
151 PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, cfgs)
152
153#ifdef CONFIG_PINCTRL
154
155extern int pinctrl_register_mappings(struct pinctrl_map const *map,
156 unsigned num_maps);
157extern void pinctrl_provide_dummies(void);
158#else
159
160static inline int pinctrl_register_mappings(struct pinctrl_map const *map,
161 unsigned num_maps)
162{
163 return 0;
164}
165
166static inline void pinctrl_provide_dummies(void)
167{
168}
169#endif
170#endif
171