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usr
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src
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linux-headers-5.4.0-113-generic
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include
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linux
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pinctrl
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Filename :
pinconf.h
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/* 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 pin, unsigned long *config); int (*pin_config_set) (struct pinctrl_dev *pctldev, unsigned pin, unsigned long *configs, unsigned num_configs); int (*pin_config_group_get) (struct pinctrl_dev *pctldev, unsigned selector, unsigned long *config); int (*pin_config_group_set) (struct pinctrl_dev *pctldev, unsigned selector, unsigned long *configs, unsigned num_configs); void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned offset); void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned selector); void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned long config); }; #endif /* __LINUX_PINCTRL_PINCONF_H */