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 <[email protected]> 12 */ 13 14 #ifndef PINCTRL_DEVINFO_H 15 #define PINCTRL_DEVINFO_H 16 17 struct device; 18 19 #ifdef CONFIG_PINCTRL 20 21 /* The device core acts as a consumer toward pinctrl */ 22 #include <linux/pinctrl/consumer.h> 23 24 struct pinctrl; 25 26 /** 27 * struct dev_pin_info - pin state container for devices 28 * @p: pinctrl handle for the containing device 29 * @default_state: the default state for the handle, if found 30 * @init_state: the state at probe time, if found 31 * @sleep_state: the state at suspend time, if found 32 * @idle_state: the state at idle (runtime suspend) time, if found 33 */ 34 struct dev_pin_info { 35 struct pinctrl *p; 36 struct pinctrl_state *default_state; 37 struct pinctrl_state *init_state; 38 #ifdef CONFIG_PM 39 struct pinctrl_state *sleep_state; 40 struct pinctrl_state *idle_state; 41 #endif 42 }; 43 44 extern int pinctrl_bind_pins(struct device *dev); 45 extern int pinctrl_init_done(struct device *dev); 46 47 #else 48 49 /* Stubs if we're not using pinctrl */ 50 51 static inline int pinctrl_bind_pins(struct device *dev) 52 { 53 return 0; 54 } 55 56 static inline int pinctrl_init_done(struct device *dev) 57 { 58 return 0; 59 } 60 61 #endif /* CONFIG_PINCTRL */ 62 #endif /* PINCTRL_DEVINFO_H */ 63