2 * Consumer interface the pin control subsystem
4 * Copyright (C) 2012 ST-Ericsson SA
5 * Written on behalf of Linaro for ST-Ericsson
6 * Based on bits of regulator core, gpio core and clk core
8 * Author: Linus Walleij <linus.walleij@linaro.org>
10 * License terms: GNU General Public License (GPL) version 2
12 #ifndef __LINUX_PINCTRL_CONSUMER_H
13 #define __LINUX_PINCTRL_CONSUMER_H
15 #include <linux/list.h>
16 #include <linux/seq_file.h>
19 /* This struct is private to the core and should be regarded as a cookie */
24 /* External interface to pinmux */
25 extern int pinctrl_request_gpio(unsigned gpio);
26 extern void pinctrl_free_gpio(unsigned gpio);
27 extern int pinctrl_gpio_direction_input(unsigned gpio);
28 extern int pinctrl_gpio_direction_output(unsigned gpio);
29 extern struct pinctrl * __must_check pinctrl_get(struct device *dev, const char *name);
30 extern void pinctrl_put(struct pinctrl *p);
31 extern int pinctrl_enable(struct pinctrl *p);
32 extern void pinctrl_disable(struct pinctrl *p);
34 #else /* !CONFIG_PINMUX */
36 static inline int pinctrl_request_gpio(unsigned gpio)
41 static inline void pinctrl_free_gpio(unsigned gpio)
45 static inline int pinctrl_gpio_direction_input(unsigned gpio)
50 static inline int pinctrl_gpio_direction_output(unsigned gpio)
55 static inline struct pinctrl * __must_check pinctrl_get(struct device *dev, const char *name)
60 static inline void pinctrl_put(struct pinctrl *p)
64 static inline int pinctrl_enable(struct pinctrl *p)
69 static inline void pinctrl_disable(struct pinctrl *p)
73 #endif /* CONFIG_PINMUX */
77 extern int pin_config_get(const char *dev_name, const char *name,
78 unsigned long *config);
79 extern int pin_config_set(const char *dev_name, const char *name,
80 unsigned long config);
81 extern int pin_config_group_get(const char *dev_name,
82 const char *pin_group,
83 unsigned long *config);
84 extern int pin_config_group_set(const char *dev_name,
85 const char *pin_group,
86 unsigned long config);
90 static inline int pin_config_get(const char *dev_name, const char *name,
91 unsigned long *config)
96 static inline int pin_config_set(const char *dev_name, const char *name,
102 static inline int pin_config_group_get(const char *dev_name,
103 const char *pin_group,
104 unsigned long *config)
109 static inline int pin_config_group_set(const char *dev_name,
110 const char *pin_group,
111 unsigned long config)
118 #endif /* __LINUX_PINCTRL_CONSUMER_H */