^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Internal interface between the core pin control system and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * pinmux portions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2011 ST-Ericsson SA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Written on behalf of Linaro for ST-Ericsson
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Based on bits of regulator core, gpio core and clk core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Author: Linus Walleij <linus.walleij@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #ifdef CONFIG_PINMUX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) int pinmux_check_ops(struct pinctrl_dev *pctldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) int pinmux_validate_map(const struct pinctrl_map *map, int i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev, unsigned pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int pinmux_request_gpio(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct pinctrl_gpio_range *range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned pin, unsigned gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct pinctrl_gpio_range *range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct pinctrl_gpio_range *range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned pin, bool input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int pinmux_map_to_setting(const struct pinctrl_map *map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct pinctrl_setting *setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) void pinmux_free_setting(const struct pinctrl_setting *setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int pinmux_enable_setting(const struct pinctrl_setting *setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) void pinmux_disable_setting(const struct pinctrl_setting *setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static inline int pinmux_validate_map(const struct pinctrl_map *map, int i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static inline bool pinmux_can_be_used_for_gpio(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) unsigned pin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct pinctrl_gpio_range *range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) unsigned pin, unsigned gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) unsigned pin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct pinctrl_gpio_range *range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct pinctrl_gpio_range *range,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) unsigned pin, bool input)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static inline int pinmux_map_to_setting(const struct pinctrl_map *map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct pinctrl_setting *setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static inline void pinmux_free_setting(const struct pinctrl_setting *setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static inline int pinmux_enable_setting(const struct pinctrl_setting *setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static inline void pinmux_disable_setting(const struct pinctrl_setting *setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) void pinmux_show_map(struct seq_file *s, const struct pinctrl_map *map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) void pinmux_show_setting(struct seq_file *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) const struct pinctrl_setting *setting);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) void pinmux_init_device_debugfs(struct dentry *devroot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct pinctrl_dev *pctldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static inline void pinmux_show_map(struct seq_file *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) const struct pinctrl_map *map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static inline void pinmux_show_setting(struct seq_file *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) const struct pinctrl_setting *setting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static inline void pinmux_init_device_debugfs(struct dentry *devroot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct pinctrl_dev *pctldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * struct function_desc - generic function descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * @name: name of the function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * @group_names: array of pin group names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * @num_group_names: number of pin group names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * @data: pin controller driver specific data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct function_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) const char **group_names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int num_group_names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) void *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) unsigned int selector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) unsigned int selector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) const char * const **groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) unsigned * const num_groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) unsigned int selector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) const char **groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) unsigned const num_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int pinmux_generic_remove_function(struct pinctrl_dev *pctldev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) unsigned int selector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) void pinmux_generic_free_functions(struct pinctrl_dev *pctldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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