1 /* 2 * Per-device information from the pin control system. 3 * This is the stuff that get included into the device 4 * core. 5 * 6 * Copyright (C) 2012 ST-Ericsson SA 7 * Written on behalf of Linaro for ST-Ericsson 8 * This interface is used in the core to keep track of pins. 9 * 10 * Author: Linus Walleij <linus.walleij@linaro.org> 11 * 12 * License terms: GNU General Public License (GPL) version 2 13 */ 14 15 #ifndef PINCTRL_DEVINFO_H 16 #define PINCTRL_DEVINFO_H 17 18 #ifdef CONFIG_PINCTRL 19 20 /* The device core acts as a consumer toward pinctrl */ 21 #include <linux/pinctrl/consumer.h> 22 23 /** 24 * struct dev_pin_info - pin state container for devices 25 * @p: pinctrl handle for the containing device 26 * @default_state: the default state for the handle, if found 27 * @init_state: the state at probe time, if found 28 * @sleep_state: the state at suspend time, if found 29 * @idle_state: the state at idle (runtime suspend) time, if found 30 */ 31 struct dev_pin_info { 32 struct pinctrl *p; 33 struct pinctrl_state *default_state; 34 struct pinctrl_state *init_state; 35 #ifdef CONFIG_PM 36 struct pinctrl_state *sleep_state; 37 struct pinctrl_state *idle_state; 38 #endif 39 }; 40 41 extern int pinctrl_bind_pins(struct device *dev); 42 extern int pinctrl_init_done(struct device *dev); 43 44 #else 45 46 struct device; 47 48 /* Stubs if we're not using pinctrl */ 49 50 static inline int pinctrl_bind_pins(struct device *dev) 51 { 52 return 0; 53 } 54 55 static inline int pinctrl_init_done(struct device *dev) 56 { 57 return 0; 58 } 59 60 #endif /* CONFIG_PINCTRL */ 61 #endif /* PINCTRL_DEVINFO_H */ 62