linux-imx
Public
Source
committed 93639058b2a/* * Core private header for the pin control subsystem * * Copyright (C) 2011 ST-Ericsson SA * Written on behalf of Linaro for ST-Ericsson * * Author: Linus Walleij <linus.walleij@linaro.org> * * License terms: GNU General Public License (GPL) version 2 */struct pinctrl_gpio_range;/** * struct pinctrl_dev - pin control class device * @node: node to include this pin controller in the global pin controller list * @desc: the pin controller descriptor supplied when initializing this pin * controller * @pin_desc_tree: each pin descriptor for this pin controller is stored in * this radix tree * @pin_group_tree: optionally each pin group can be stored in this radix tree * @num_groups: optionally number of groups can be kept here * @pin_function_tree: optionally each function can be stored in this radix tree * @num_functions: optionally number of functions can be kept here * @gpio_ranges: a list of GPIO ranges that is handled by this pin controller, * ranges are added to this list at runtime * @dev: the device entry for this pin controller * @owner: module providing the pin controller, used for refcounting * @driver_data: driver data for drivers registering to the pin controller * subsystem * @p: result of pinctrl_get() for this device * @hog_default: default state for pins hogged by this device * @hog_sleep: sleep state for pins hogged by this device * @mutex: mutex taken on each pin controller specific action * @device_root: debugfs root for this device */struct pinctrl_dev { struct list_head node; struct pinctrl_desc *desc; struct radix_tree_root pin_desc_tree; struct radix_tree_root pin_group_tree; unsigned int num_groups; struct radix_tree_root pin_function_tree; unsigned int num_functions; struct list_head gpio_ranges; struct device *dev; struct module *owner; void *driver_data; struct pinctrl *p; struct pinctrl_state *hog_default; struct pinctrl_state *hog_sleep; struct mutex mutex;