drivers/pinctrl/core.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (C) 2011 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
14 #include <linux/radix-tree.h>
30  * struct pinctrl_dev - pin control class device
31  * @node: node to include this pin controller in the global pin controller list
32  * @desc: the pin controller descriptor supplied when initializing this pin
33  *	controller
34  * @pin_desc_tree: each pin descriptor for this pin controller is stored in
40  * @gpio_ranges: a list of GPIO ranges that is handled by this pin controller,
42  * @dev: the device entry for this pin controller
43  * @owner: module providing the pin controller, used for refcounting
44  * @driver_data: driver data for drivers registering to the pin controller
49  * @mutex: mutex taken on each pin controller specific action
78  * struct pinctrl - per-device pin control state holder
97  * struct pinctrl_state - a pinctrl state for a device
109  * struct pinctrl_setting_mux - setting data for MAP_TYPE_MUX_GROUP
119  * struct pinctrl_setting_configs - setting data for MAP_TYPE_CONFIGS_*
122  *	hardware. Each individual pin controller defines the format and meaning
133  * struct pinctrl_setting - an individual mux or config setting
139  * @data: Data specific to the setting type
149 	} data;  member
153  * struct pin_desc - pin descriptor for each physical pin in the arch
158  * @drv_data: driver-defined per-pin data. pinctrl core does not touch this
160  *	If non-zero, this pin is claimed by @owner. This field is an integer
184  * struct pinctrl_maps - a list item containing part of the mapping table
200  * struct group_desc - generic pin group descriptor
201  * @grp: generic data of the pin group (name and pins)
202  * @data: pin controller driver specific data
206 	void *data;  member
213 	.data = _data,						\
230 			      const unsigned int *pins, int num_pins, void *data);
247 	return radix_tree_lookup(&pctldev->pin_desc_tree, pin);  in pin_desc_get()
263 		     __i < _maps_node_->num_maps && (_map_ = &_maps_node_->maps[__i]);	\