Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Interface the pinconfig portions of the pinctrl subsystem
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*
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* Copyright (C) 2011 ST-Ericsson SA
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* Written on behalf of Linaro for ST-Ericsson
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* This interface is used in the core to keep track of pins.
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*
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* Author: Linus Walleij <linus.walleij@linaro.org>
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*/
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#ifndef __LINUX_PINCTRL_PINCONF_H
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#define __LINUX_PINCTRL_PINCONF_H
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#include <linux/types.h>
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struct pinctrl_dev;
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struct seq_file;
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/**
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* struct pinconf_ops - pin config operations, to be implemented by
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* pin configuration capable drivers.
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* @is_generic: for pin controllers that want to use the generic interface,
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* this flag tells the framework that it's generic.
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* @pin_config_get: get the config of a certain pin, if the requested config
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* is not available on this controller this should return -ENOTSUPP
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* and if it is available but disabled it should return -EINVAL
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* @pin_config_set: configure an individual pin
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* @pin_config_group_get: get configurations for an entire pin group; should
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* return -ENOTSUPP and -EINVAL using the same rules as pin_config_get.
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* @pin_config_group_set: configure all pins in a group
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* @pin_config_dbg_show: optional debugfs display hook that will provide
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* per-device info for a certain pin in debugfs
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* @pin_config_group_dbg_show: optional debugfs display hook that will provide
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* per-device info for a certain group in debugfs
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* @pin_config_config_dbg_show: optional debugfs display hook that will decode
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* and display a driver's pin configuration parameter
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*/
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struct pinconf_ops {
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#ifdef CONFIG_GENERIC_PINCONF
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bool is_generic;
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#endif
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int (*pin_config_get) (struct pinctrl_dev *pctldev,
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unsigned int pin,
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unsigned long *config);
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int (*pin_config_set) (struct pinctrl_dev *pctldev,
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unsigned int pin,
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unsigned long *configs,
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unsigned int num_configs);
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int (*pin_config_group_get) (struct pinctrl_dev *pctldev,
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unsigned int selector,
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unsigned long *config);
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int (*pin_config_group_set) (struct pinctrl_dev *pctldev,
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unsigned int selector,
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unsigned long *configs,
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unsigned int num_configs);
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void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev,
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struct seq_file *s,
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unsigned int offset);
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void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev,
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struct seq_file *s,
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unsigned int selector);
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void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev,
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struct seq_file *s,
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unsigned long config);
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};
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#endif /* __LINUX_PINCTRL_PINCONF_H */
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