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 */ 28 struct dev_pin_info { 29 struct pinctrl *p; 30 struct pinctrl_state *default_state; 31 }; 32 33 extern int pinctrl_bind_pins(struct device *dev); 34 35 #else 36 37 /* Stubs if we're not using pinctrl */ 38 pinctrl_bind_pins(struct device * dev)39static inline int pinctrl_bind_pins(struct device *dev) 40 { 41 return 0; 42 } 43 44 #endif /* CONFIG_PINCTRL */ 45 #endif /* PINCTRL_DEVINFO_H */ 46