/* * 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