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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2020 TOSHIBA CORPORATION
* Copyright (c) 2020 Toshiba Electronic Devices & Storage Corporation
* Copyright (c) 2020 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
*/
#ifndef __VISCONTI_PINCTRL_COMMON_H__
#define __VISCONTI_PINCTRL_COMMON_H__
struct pinctrl_pin_desc;
/* PIN */
#define VISCONTI_PINS(pins_name, ...) \
static const unsigned int pins_name ## _pins[] = { __VA_ARGS__ }
struct visconti_desc_pin {
struct pinctrl_pin_desc pin;
unsigned int dsel_offset;
unsigned int dsel_shift;
unsigned int pude_offset;
unsigned int pudsel_offset;
unsigned int pud_shift;
};
#define VISCONTI_PIN(_pin, dsel, d_sh, pude, pudsel, p_sh) \
{ \
.pin = _pin, \
.dsel_offset = dsel, \
.dsel_shift = d_sh, \
.pude_offset = pude, \
.pudsel_offset = pudsel, \
.pud_shift = p_sh, \
}
/* Group */
#define VISCONTI_GROUPS(groups_name, ...) \
static const char * const groups_name ## _grps[] = { __VA_ARGS__ }
struct visconti_mux {
unsigned int offset;
unsigned int mask;
unsigned int val;
};
struct visconti_pin_group {
const char *name;
const unsigned int *pins;
unsigned int nr_pins;
struct visconti_mux mux;
};
#define VISCONTI_PIN_GROUP(group_name, off, msk, v) \
{ \
.name = __stringify(group_name) "_grp", \
.pins = group_name ## _pins, \
.nr_pins = ARRAY_SIZE(group_name ## _pins), \
.mux = { \
.offset = off, \
.mask = msk, \
.val = v, \
} \
}
/* MUX */
struct visconti_pin_function {
const char *name;
const char * const *groups;
unsigned int nr_groups;
};
#define VISCONTI_PIN_FUNCTION(func) \
{ \
.name = #func, \
.groups = func ## _grps, \
.nr_groups = ARRAY_SIZE(func ## _grps), \
}
/* chip dependent data */
struct visconti_pinctrl_devdata {
const struct visconti_desc_pin *pins;
unsigned int nr_pins;
const struct visconti_pin_group *groups;
unsigned int nr_groups;
const struct visconti_pin_function *functions;
unsigned int nr_functions;
const struct visconti_mux *gpio_mux;
void (*unlock)(void __iomem *base);
};
int visconti_pinctrl_probe(struct platform_device *pdev,
const struct visconti_pinctrl_devdata *devdata);
#endif /* __VISCONTI_PINCTRL_COMMON_H__ */
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