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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188/* SPDX-License-Identifier: GPL-2.0-only *//* * Machine interface for the pinctrl subsystem. * * 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> */#ifndef __LINUX_PINCTRL_MACHINE_H#define __LINUX_PINCTRL_MACHINE_H
#include <linux/array_size.h>
#include <linux/pinctrl/pinctrl-state.h>
enum pinctrl_map_type { PIN_MAP_TYPE_INVALID, PIN_MAP_TYPE_DUMMY_STATE, PIN_MAP_TYPE_MUX_GROUP, PIN_MAP_TYPE_CONFIGS_PIN, PIN_MAP_TYPE_CONFIGS_GROUP,};
/** * struct pinctrl_map_mux - mapping table content for MAP_TYPE_MUX_GROUP * @group: the name of the group whose mux function is to be configured. This * field may be left NULL, and the first applicable group for the function * will be used. * @function: the mux function to select for the group */struct pinctrl_map_mux { const char *group; const char *function;};
/** * struct pinctrl_map_configs - mapping table content for MAP_TYPE_CONFIGS_* * @group_or_pin: the name of the pin or group whose configuration parameters * are to be configured. * @configs: a pointer to an array of config parameters/values to program into * hardware. Each individual pin controller defines the format and meaning * of config parameters. * @num_configs: the number of entries in array @configs */struct pinctrl_map_configs { const char *group_or_pin; unsigned long *configs; unsigned int num_configs;};
/** * struct pinctrl_map - boards/machines shall provide this map for devices * @dev_name: the name of the device using this specific mapping, the name * must be the same as in your struct device*. If this name is set to the * same name as the pin controllers own dev_name(), the map entry will be * hogged by the driver itself upon registration * @name: the name of this specific map entry for the particular machine. * This is the parameter passed to pinmux_lookup_state() * @type: the type of mapping table entry * @ctrl_dev_name: the name of the device controlling this specific mapping, * the name must be the same as in your struct device*. This field is not * used for PIN_MAP_TYPE_DUMMY_STATE * @data: Data specific to the mapping type */struct pinctrl_map { const char *dev_name; const char *name; enum pinctrl_map_type type; const char *ctrl_dev_name; union { struct pinctrl_map_mux mux; struct pinctrl_map_configs configs; } data;};
/* Convenience macros to create mapping table entries */
#define PIN_MAP_DUMMY_STATE(dev, state) \ { \ .dev_name = dev, \ .name = state, \ .type = PIN_MAP_TYPE_DUMMY_STATE, \ }
#define PIN_MAP_MUX_GROUP(dev, state, pinctrl, grp, func) \ { \ .dev_name = dev, \ .name = state, \ .type = PIN_MAP_TYPE_MUX_GROUP, \ .ctrl_dev_name = pinctrl, \ .data.mux = { \ .group = grp, \ .function = func, \ }, \ }
#define PIN_MAP_MUX_GROUP_DEFAULT(dev, pinctrl, grp, func) \ PIN_MAP_MUX_GROUP(dev, PINCTRL_STATE_DEFAULT, pinctrl, grp, func)
#define PIN_MAP_MUX_GROUP_HOG(dev, state, grp, func) \ PIN_MAP_MUX_GROUP(dev, state, dev, grp, func)
#define PIN_MAP_MUX_GROUP_HOG_DEFAULT(dev, grp, func) \ PIN_MAP_MUX_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, func)
#define PIN_MAP_CONFIGS_PIN(dev, state, pinctrl, pin, cfgs) \ { \ .dev_name = dev, \ .name = state, \ .type = PIN_MAP_TYPE_CONFIGS_PIN, \ .ctrl_dev_name = pinctrl, \ .data.configs = { \ .group_or_pin = pin, \ .configs = cfgs, \ .num_configs = ARRAY_SIZE(cfgs), \ }, \ }
#define PIN_MAP_CONFIGS_PIN_DEFAULT(dev, pinctrl, pin, cfgs) \ PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_DEFAULT, pinctrl, pin, cfgs)
#define PIN_MAP_CONFIGS_PIN_HOG(dev, state, pin, cfgs) \ PIN_MAP_CONFIGS_PIN(dev, state, dev, pin, cfgs)
#define PIN_MAP_CONFIGS_PIN_HOG_DEFAULT(dev, pin, cfgs) \ PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_DEFAULT, dev, pin, cfgs)
#define PIN_MAP_CONFIGS_GROUP(dev, state, pinctrl, grp, cfgs) \ { \ .dev_name = dev, \ .name = state, \ .type = PIN_MAP_TYPE_CONFIGS_GROUP, \ .ctrl_dev_name = pinctrl, \ .data.configs = { \ .group_or_pin = grp, \ .configs = cfgs, \ .num_configs = ARRAY_SIZE(cfgs), \ }, \ }
#define PIN_MAP_CONFIGS_GROUP_DEFAULT(dev, pinctrl, grp, cfgs) \ PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, pinctrl, grp, cfgs)
#define PIN_MAP_CONFIGS_GROUP_HOG(dev, state, grp, cfgs) \ PIN_MAP_CONFIGS_GROUP(dev, state, dev, grp, cfgs)
#define PIN_MAP_CONFIGS_GROUP_HOG_DEFAULT(dev, grp, cfgs) \ PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, cfgs)
struct device;struct pinctrl_map;
#ifdef CONFIG_PINCTRL
int pinctrl_register_mappings(const struct pinctrl_map *map, unsigned int num_maps);int devm_pinctrl_register_mappings(struct device *dev, const struct pinctrl_map *map, unsigned int num_maps);void pinctrl_unregister_mappings(const struct pinctrl_map *map);void pinctrl_provide_dummies(void);#else
static inline int pinctrl_register_mappings(const struct pinctrl_map *map, unsigned int num_maps){ return 0;}
static inline int devm_pinctrl_register_mappings(struct device *dev, const struct pinctrl_map *map, unsigned int num_maps){ return 0;}
static inline void pinctrl_unregister_mappings(const struct pinctrl_map *map){}
static inline void pinctrl_provide_dummies(void){}#endif /* !CONFIG_PINCTRL */#endif