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 */ 30 struct 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 40 extern int pinctrl_bind_pins(struct device *dev); 41 extern int pinctrl_init_done(struct device *dev); 42 43 #else 44 45 struct device; 46 47 /* Stubs if we're not using pinctrl */ 48 pinctrl_bind_pins(struct device * dev)49static inline int pinctrl_bind_pins(struct device *dev) 50 { 51 return 0; 52 } 53 pinctrl_init_done(struct device * dev)54static inline int pinctrl_init_done(struct device *dev) 55 { 56 return 0; 57 } 58 59 #endif /* CONFIG_PINCTRL */ 60 #endif /* PINCTRL_DEVINFO_H */ 61