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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __LINUX_PINCTRL_PINCTRL_H
#define __LINUX_PINCTRL_PINCTRL_H
#include <linux/types.h>
/**
* struct pingroup - provides information on pingroup
* @name: a name for pingroup
* @pins: an array of pins in the pingroup
* @npins: number of pins in the pingroup
*/
struct pingroup {
const char *name;
const unsigned int *pins;
size_t npins;
};
/* Convenience macro to define a single named or anonymous pingroup */
#define PINCTRL_PINGROUP(_name, _pins, _npins) \
(struct pingroup) { \
.name = _name, \
.pins = _pins, \
.npins = _npins, \
}
/**
* struct pinctrl_pin_desc - boards/machines provide information on their
* pins, pads or other muxable units in this struct
* @number: unique pin number from the global pin number space
* @name: a name for this pin
* @drv_data: driver-defined per-pin data. pinctrl core does not touch this
*/
struct pinctrl_pin_desc {
unsigned int number;
const char *name;
void *drv_data;
};
/* Convenience macro to define a single named or anonymous pin descriptor */
#define PINCTRL_PIN(_number, _name) \
(struct pinctrl_pin_desc) { \
.number = _number, \
.name = _name, \
}
#define PINCTRL_PIN_ANON(_number) \
(struct pinctrl_pin_desc) { \
.number = _number, \
}
/**
* struct pinfunction - Description about a function
* @name: Name of the function
* @groups: An array of groups for this function
* @ngroups: Number of groups in @groups
* @flags: Additional pin function flags
*/
struct pinfunction {
const char *name;
const char * const *groups;
size_t ngroups;
};
/* Convenience macro to define a single named pinfunction */
#define PINCTRL_PINFUNCTION(_name, _groups, _ngroups) \
(struct pinfunction) { \
.name = (_name), \
.groups = (_groups), \
.ngroups = (_ngroups), \
}
#endif /* __LINUX_PINCTRL_PINCTRL_H */
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