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Edit File: pinctrl-state.h

/* SPDX-License-Identifier: GPL-2.0 */ /* * Standard pin control state definitions */ #ifndef __LINUX_PINCTRL_PINCTRL_STATE_H #define __LINUX_PINCTRL_PINCTRL_STATE_H /** * @PINCTRL_STATE_DEFAULT: the state the pinctrl handle shall be put * into as default, usually this means the pins are up and ready to * be used by the device driver. This state is commonly used by * hogs to configure muxing and pins at boot, and also as a state * to go into when returning from sleep and idle in * .pm_runtime_resume() or ordinary .resume() for example. * @PINCTRL_STATE_INIT: normally the pinctrl will be set to "default" * before the driver's probe() function is called. There are some * drivers where that is not appropriate becausing doing so would * glitch the pins. In those cases you can add an "init" pinctrl * which is the state of the pins before drive probe. After probe * if the pins are still in "init" state they'll be moved to * "default". * @PINCTRL_STATE_IDLE: the state the pinctrl handle shall be put into * when the pins are idle. This is a state where the system is relaxed * but not fully sleeping - some power may be on but clocks gated for * example. Could typically be set from a pm_runtime_suspend() or * pm_runtime_idle() operation. * @PINCTRL_STATE_SLEEP: the state the pinctrl handle shall be put into * when the pins are sleeping. This is a state where the system is in * its lowest sleep state. Could typically be set from an * ordinary .suspend() function. */ #define PINCTRL_STATE_DEFAULT "default" #define PINCTRL_STATE_INIT "init" #define PINCTRL_STATE_IDLE "idle" #define PINCTRL_STATE_SLEEP "sleep" #endif /* __LINUX_PINCTRL_PINCTRL_STATE_H */