devinfo.h (1469B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Per-device information from the pin control system. 4 * This is the stuff that get included into the device 5 * core. 6 * 7 * Copyright (C) 2012 ST-Ericsson SA 8 * Written on behalf of Linaro for ST-Ericsson 9 * This interface is used in the core to keep track of pins. 10 * 11 * Author: Linus Walleij <linus.walleij@linaro.org> 12 */ 13 14#ifndef PINCTRL_DEVINFO_H 15#define PINCTRL_DEVINFO_H 16 17#ifdef CONFIG_PINCTRL 18 19/* The device core acts as a consumer toward pinctrl */ 20#include <linux/pinctrl/consumer.h> 21 22/** 23 * struct dev_pin_info - pin state container for devices 24 * @p: pinctrl handle for the containing device 25 * @default_state: the default state for the handle, if found 26 * @init_state: the state at probe time, if found 27 * @sleep_state: the state at suspend time, if found 28 * @idle_state: the state at idle (runtime suspend) time, if found 29 */ 30struct dev_pin_info { 31 struct pinctrl *p; 32 struct pinctrl_state *default_state; 33 struct pinctrl_state *init_state; 34#ifdef CONFIG_PM 35 struct pinctrl_state *sleep_state; 36 struct pinctrl_state *idle_state; 37#endif 38}; 39 40extern int pinctrl_bind_pins(struct device *dev); 41extern int pinctrl_init_done(struct device *dev); 42 43#else 44 45struct device; 46 47/* Stubs if we're not using pinctrl */ 48 49static inline int pinctrl_bind_pins(struct device *dev) 50{ 51 return 0; 52} 53 54static inline int pinctrl_init_done(struct device *dev) 55{ 56 return 0; 57} 58 59#endif /* CONFIG_PINCTRL */ 60#endif /* PINCTRL_DEVINFO_H */