| /* 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 |
| |
| #ifdef CONFIG_PINCTRL |
| |
| /* The device core acts as a consumer toward pinctrl */ |
| #include <linux/pinctrl/consumer.h> |
| |
| /** |
| * 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); |
| |
| #else |
| |
| struct device; |
| |
| /* 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; |
| } |
| |
| #endif /* CONFIG_PINCTRL */ |
| #endif /* PINCTRL_DEVINFO_H */ |