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/
usr
/
src
/
linux-headers-6.8.0-101-generic
/
include
/
linux
/
pinctrl
/
Filename :
devinfo.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Per-device information from the pin control system. * This is the stuff that get included into the device * core. * * Copyright (C) 2012 ST-Ericsson SA * Written on behalf of Linaro for ST-Ericsson * This interface is used in the core to keep track of pins. * * Author: Linus Walleij <linus.walleij@linaro.org> */ #ifndef PINCTRL_DEVINFO_H #define PINCTRL_DEVINFO_H struct device; #ifdef CONFIG_PINCTRL #include <linux/device.h> /* The device core acts as a consumer toward pinctrl */ #include <linux/pinctrl/consumer.h> struct pinctrl; /** * struct dev_pin_info - pin state container for devices * @p: pinctrl handle for the containing device * @default_state: the default state for the handle, if found * @init_state: the state at probe time, if found * @sleep_state: the state at suspend time, if found * @idle_state: the state at idle (runtime suspend) time, if found */ struct dev_pin_info { struct pinctrl *p; struct pinctrl_state *default_state; struct pinctrl_state *init_state; #ifdef CONFIG_PM struct pinctrl_state *sleep_state; struct pinctrl_state *idle_state; #endif }; extern int pinctrl_bind_pins(struct device *dev); extern int pinctrl_init_done(struct device *dev); static inline struct pinctrl *dev_pinctrl(struct device *dev) { if (!dev->pins) return NULL; return dev->pins->p; } #else /* Stubs if we're not using pinctrl */ static inline int pinctrl_bind_pins(struct device *dev) { return 0; } static inline int pinctrl_init_done(struct device *dev) { return 0; } static inline struct pinctrl *dev_pinctrl(struct device *dev) { return NULL; } #endif /* CONFIG_PINCTRL */ #endif /* PINCTRL_DEVINFO_H */