/* SPDX-License-Identifier: GPL-2.0-only *//* * Interface the pinconfig portions of the pinctrl subsystem * * Copyright (C) 2011 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 __LINUX_PINCTRL_PINCONF_H#define __LINUX_PINCTRL_PINCONF_H #include <linux/types.h> struct pinctrl_dev;struct seq_file; /** * struct pinconf_ops - pin config operations, to be implemented by * pin configuration capable drivers. * @is_generic: for pin controllers that want to use the generic interface, *	this flag tells the framework that it's generic. * @pin_config_get: get the config of a certain pin, if the requested config *	is not available on this controller this should return -ENOTSUPP *	and if it is available but disabled it should return -EINVAL * @pin_config_set: configure an individual pin * @pin_config_group_get: get configurations for an entire pin group; should *	return -ENOTSUPP and -EINVAL using the same rules as pin_config_get. * @pin_config_group_set: configure all pins in a group * @pin_config_dbg_show: optional debugfs display hook that will provide *	per-device info for a certain pin in debugfs * @pin_config_group_dbg_show: optional debugfs display hook that will provide *	per-device info for a certain group in debugfs * @pin_config_config_dbg_show: optional debugfs display hook that will decode *	and display a driver's pin configuration parameter */struct pinconf_ops {#ifdef CONFIG_GENERIC_PINCONF	bool is_generic;#endif	int (*pin_config_get) (struct pinctrl_dev *pctldev,			       unsigned int pin,			       unsigned long *config);	int (*pin_config_set) (struct pinctrl_dev *pctldev,			       unsigned int pin,			       unsigned long *configs,			       unsigned int num_configs);	int (*pin_config_group_get) (struct pinctrl_dev *pctldev,				     unsigned int selector,				     unsigned long *config);	int (*pin_config_group_set) (struct pinctrl_dev *pctldev,				     unsigned int selector,				     unsigned long *configs,				     unsigned int num_configs);	void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev,				     struct seq_file *s,				     unsigned int offset);	void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev,					   struct seq_file *s,					   unsigned int selector);	void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev,					    struct seq_file *s,					    unsigned long config);}; #endif /* __LINUX_PINCTRL_PINCONF_H */