133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/*
|
|
* Internal interface between the core pin control system and the
|
|
* pin config portions
|
|
*
|
|
* Copyright (C) 2011 ST-Ericsson SA
|
|
* Written on behalf of Linaro for ST-Ericsson
|
|
* Based on bits of regulator core, gpio core and clk core
|
|
*
|
|
* Author: Linus Walleij <linus.walleij@linaro.org>
|
|
*
|
|
* License terms: GNU General Public License (GPL) version 2
|
|
*/
|
|
|
|
#ifdef CONFIG_PINCONF
|
|
|
|
int pinconf_check_ops(struct pinctrl_dev *pctldev);
|
|
int pinconf_validate_map(const struct pinctrl_map *map, int i);
|
|
int pinconf_map_to_setting(const struct pinctrl_map *map,
|
|
struct pinctrl_setting *setting);
|
|
void pinconf_free_setting(const struct pinctrl_setting *setting);
|
|
int pinconf_apply_setting(const struct pinctrl_setting *setting);
|
|
|
|
int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
|
|
unsigned long *configs, size_t nconfigs);
|
|
|
|
/*
|
|
* You will only be interested in these if you're using PINCONF
|
|
* so don't supply any stubs for these.
|
|
*/
|
|
int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin,
|
|
unsigned long *config);
|
|
int pin_config_group_get(const char *dev_name, const char *pin_group,
|
|
unsigned long *config);
|
|
|
|
#else
|
|
|
|
static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int pinconf_validate_map(const struct pinctrl_map *map, int i)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int pinconf_map_to_setting(const struct pinctrl_map *map,
|
|
struct pinctrl_setting *setting)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void pinconf_free_setting(const struct pinctrl_setting *setting)
|
|
{
|
|
}
|
|
|
|
static inline int pinconf_apply_setting(const struct pinctrl_setting *setting)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned pin,
|
|
unsigned long *configs, size_t nconfigs)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
|
|
|
|
void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map);
|
|
void pinconf_show_setting(struct seq_file *s,
|
|
const struct pinctrl_setting *setting);
|
|
void pinconf_init_device_debugfs(struct dentry *devroot,
|
|
struct pinctrl_dev *pctldev);
|
|
|
|
#else
|
|
|
|
static inline void pinconf_show_map(struct seq_file *s,
|
|
const struct pinctrl_map *map)
|
|
{
|
|
}
|
|
|
|
static inline void pinconf_show_setting(struct seq_file *s,
|
|
const struct pinctrl_setting *setting)
|
|
{
|
|
}
|
|
|
|
static inline void pinconf_init_device_debugfs(struct dentry *devroot,
|
|
struct pinctrl_dev *pctldev)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
* The following functions are available if the driver uses the generic
|
|
* pin config.
|
|
*/
|
|
|
|
#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
|
|
|
|
void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
|
|
struct seq_file *s, const char *gname,
|
|
unsigned pin);
|
|
|
|
void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
|
|
struct seq_file *s, unsigned long config);
|
|
#else
|
|
|
|
static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
|
|
struct seq_file *s,
|
|
const char *gname, unsigned pin)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
|
|
struct seq_file *s,
|
|
unsigned long config)
|
|
{
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
|
|
int pinconf_generic_parse_dt_config(struct device_node *np,
|
|
struct pinctrl_dev *pctldev,
|
|
unsigned long **configs,
|
|
unsigned int *nconfigs);
|
|
#endif
|