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/*
* (C) Copyright 2016 - Beniamino Galvani <b.galvani@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __PINCTRL_MESON_H__
#define __PINCTRL_MESON_H__
#include <linux/types.h>
struct meson_pmx_group {
const char *name;
const unsigned int *pins;
unsigned int num_pins;
bool is_gpio;
unsigned int reg;
unsigned int bit;
};
struct meson_pmx_func {
const char *name;
const char * const *groups;
unsigned int num_groups;
};
struct meson_pinctrl_data {
const char *name;
struct meson_pmx_group *groups;
struct meson_pmx_func *funcs;
unsigned int pin_base;
unsigned int num_pins;
unsigned int num_groups;
unsigned int num_funcs;
};
struct meson_pinctrl {
struct meson_pinctrl_data *data;
void __iomem *reg_mux;
};
#define PIN(x, b) (b + x)
#define GROUP(grp, r, b) \
{ \
.name = #grp, \
.pins = grp ## _pins, \
.num_pins = ARRAY_SIZE(grp ## _pins), \
.reg = r, \
.bit = b, \
}
#define GPIO_GROUP(gpio, b) \
{ \
.name = #gpio, \
.pins = (const unsigned int[]){ PIN(gpio, b) }, \
.num_pins = 1, \
.is_gpio = true, \
}
#define FUNCTION(fn) \
{ \
.name = #fn, \
.groups = fn ## _groups, \
.num_groups = ARRAY_SIZE(fn ## _groups), \
}
#define MESON_PIN(x, b) PINCTRL_PIN(PIN(x, b), #x)
extern const struct pinctrl_ops meson_pinctrl_ops;
int meson_pinctrl_probe(struct udevice *dev);
#endif /* __PINCTRL_MESON_H__ */
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