76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/*
|
|
* 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>
|
|
*
|
|
* License terms: GNU General Public License (GPL) version 2
|
|
*/
|
|
#ifndef __LINUX_PINCTRL_PINCONF_H
|
|
#define __LINUX_PINCTRL_PINCONF_H
|
|
|
|
#ifdef CONFIG_PINCONF
|
|
|
|
#include <linux/pinctrl/machine.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
|
|
* @pin_config_group_set: configure all pins in a group
|
|
* @pin_config_dbg_parse_modify: optional debugfs to modify a pin configuration
|
|
* @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);
|
|
int (*pin_config_dbg_parse_modify) (struct pinctrl_dev *pctldev,
|
|
const char *arg,
|
|
unsigned long *config);
|
|
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
|
|
|
|
#endif /* __LINUX_PINCTRL_PINCONF_H */
|