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168 lines
4.2 KiB
168 lines
4.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Internal interface between the core pin control system and the |
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* pinmux portions |
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* |
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* Copyright (C) 2011 ST-Ericsson SA |
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* Written on behalf of Linaro for ST-Ericsson |
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* Based on bits of regulator core, gpio core and clk core |
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* |
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* Author: Linus Walleij <[email protected]> |
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*/ |
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#ifdef CONFIG_PINMUX |
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int pinmux_check_ops(struct pinctrl_dev *pctldev); |
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int pinmux_validate_map(const struct pinctrl_map *map, int i); |
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bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev, unsigned pin); |
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int pinmux_request_gpio(struct pinctrl_dev *pctldev, |
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struct pinctrl_gpio_range *range, |
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unsigned pin, unsigned gpio); |
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void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin, |
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struct pinctrl_gpio_range *range); |
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int pinmux_gpio_direction(struct pinctrl_dev *pctldev, |
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struct pinctrl_gpio_range *range, |
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unsigned pin, bool input); |
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int pinmux_map_to_setting(const struct pinctrl_map *map, |
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struct pinctrl_setting *setting); |
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void pinmux_free_setting(const struct pinctrl_setting *setting); |
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int pinmux_enable_setting(const struct pinctrl_setting *setting); |
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void pinmux_disable_setting(const struct pinctrl_setting *setting); |
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#else |
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static inline int pinmux_check_ops(struct pinctrl_dev *pctldev) |
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{ |
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return 0; |
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} |
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static inline int pinmux_validate_map(const struct pinctrl_map *map, int i) |
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{ |
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return 0; |
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} |
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static inline bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev, |
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unsigned pin) |
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{ |
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return true; |
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} |
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static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev, |
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struct pinctrl_gpio_range *range, |
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unsigned pin, unsigned gpio) |
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{ |
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return 0; |
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} |
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static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev, |
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unsigned pin, |
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struct pinctrl_gpio_range *range) |
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{ |
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} |
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static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev, |
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struct pinctrl_gpio_range *range, |
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unsigned pin, bool input) |
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{ |
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return 0; |
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} |
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static inline int pinmux_map_to_setting(const struct pinctrl_map *map, |
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struct pinctrl_setting *setting) |
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{ |
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return 0; |
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} |
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static inline void pinmux_free_setting(const struct pinctrl_setting *setting) |
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{ |
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} |
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static inline int pinmux_enable_setting(const struct pinctrl_setting *setting) |
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{ |
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return 0; |
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} |
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static inline void pinmux_disable_setting(const struct pinctrl_setting *setting) |
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{ |
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} |
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#endif |
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#if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS) |
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void pinmux_show_map(struct seq_file *s, const struct pinctrl_map *map); |
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void pinmux_show_setting(struct seq_file *s, |
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const struct pinctrl_setting *setting); |
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void pinmux_init_device_debugfs(struct dentry *devroot, |
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struct pinctrl_dev *pctldev); |
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#else |
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static inline void pinmux_show_map(struct seq_file *s, |
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const struct pinctrl_map *map) |
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{ |
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} |
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static inline void pinmux_show_setting(struct seq_file *s, |
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const struct pinctrl_setting *setting) |
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{ |
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} |
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static inline void pinmux_init_device_debugfs(struct dentry *devroot, |
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struct pinctrl_dev *pctldev) |
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{ |
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} |
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#endif |
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#ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS |
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/** |
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* struct function_desc - generic function descriptor |
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* @name: name of the function |
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* @group_names: array of pin group names |
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* @num_group_names: number of pin group names |
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* @data: pin controller driver specific data |
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*/ |
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struct function_desc { |
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const char *name; |
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const char **group_names; |
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int num_group_names; |
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void *data; |
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}; |
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int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev); |
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const char * |
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pinmux_generic_get_function_name(struct pinctrl_dev *pctldev, |
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unsigned int selector); |
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int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev, |
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unsigned int selector, |
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const char * const **groups, |
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unsigned * const num_groups); |
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struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev, |
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unsigned int selector); |
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int pinmux_generic_add_function(struct pinctrl_dev *pctldev, |
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const char *name, |
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const char **groups, |
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unsigned const num_groups, |
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void *data); |
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int pinmux_generic_remove_function(struct pinctrl_dev *pctldev, |
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unsigned int selector); |
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void pinmux_generic_free_functions(struct pinctrl_dev *pctldev); |
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#else |
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static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) |
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{ |
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} |
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#endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */
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