swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
Tip revision: c1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 authored by Linus Torvalds on 29 April 2013, 00:36:01 UTC
Linux 3.9
Linux 3.9
Tip revision: c1be5a5
pinconf.h
/*
* 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
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_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 config);
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 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 */