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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/pinctrl/pinconf.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pinctrl/pinconf.h')
-rw-r--r-- | drivers/pinctrl/pinconf.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h new file mode 100644 index 000000000..be7311373 --- /dev/null +++ b/drivers/pinctrl/pinconf.h @@ -0,0 +1,131 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * 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> + */ + +#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 |