1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2020 TOSHIBA CORPORATION
4 * Copyright (c) 2020 Toshiba Electronic Devices & Storage Corporation
5 * Copyright (c) 2020 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
6 */
7
8#ifndef __VISCONTI_PINCTRL_COMMON_H__
9#define __VISCONTI_PINCTRL_COMMON_H__
10
11struct pinctrl_pin_desc;
12
13/* PIN */
14#define VISCONTI_PINS(pins_name, ...)  \
15	static const unsigned int pins_name ## _pins[] = { __VA_ARGS__ }
16
17struct visconti_desc_pin {
18	struct pinctrl_pin_desc pin;
19	unsigned int dsel_offset;
20	unsigned int dsel_shift;
21	unsigned int pude_offset;
22	unsigned int pudsel_offset;
23	unsigned int pud_shift;
24};
25
26#define VISCONTI_PIN(_pin, dsel, d_sh, pude, pudsel, p_sh)	\
27{								\
28	.pin = _pin,						\
29	.dsel_offset = dsel,					\
30	.dsel_shift = d_sh,					\
31	.pude_offset = pude,					\
32	.pudsel_offset = pudsel,				\
33	.pud_shift = p_sh,					\
34}
35
36/* Group */
37#define VISCONTI_GROUPS(groups_name, ...)	\
38	static const char * const groups_name ## _grps[] = { __VA_ARGS__ }
39
40struct visconti_mux {
41	unsigned int offset;
42	unsigned int mask;
43	unsigned int val;
44};
45
46struct visconti_pin_group {
47	const char *name;
48	const unsigned int *pins;
49	unsigned int nr_pins;
50	struct visconti_mux mux;
51};
52
53#define VISCONTI_PIN_GROUP(group_name, off, msk, v)	\
54{							\
55	.name = __stringify(group_name) "_grp",		\
56	.pins = group_name ## _pins,			\
57	.nr_pins = ARRAY_SIZE(group_name ## _pins),	\
58	.mux = {					\
59		.offset = off,				\
60		.mask = msk,				\
61		.val = v,				\
62	}						\
63}
64
65/* MUX */
66struct visconti_pin_function {
67	const char *name;
68	const char * const *groups;
69	unsigned int nr_groups;
70};
71
72#define VISCONTI_PIN_FUNCTION(func)		\
73{						\
74	.name = #func,				\
75	.groups = func ## _grps,		\
76	.nr_groups = ARRAY_SIZE(func ## _grps),	\
77}
78
79/* chip dependent data */
80struct visconti_pinctrl_devdata {
81	const struct visconti_desc_pin *pins;
82	unsigned int nr_pins;
83	const struct visconti_pin_group *groups;
84	unsigned int nr_groups;
85	const struct visconti_pin_function *functions;
86	unsigned int nr_functions;
87
88	const struct visconti_mux *gpio_mux;
89
90	void (*unlock)(void __iomem *base);
91};
92
93int visconti_pinctrl_probe(struct platform_device *pdev,
94			   const struct visconti_pinctrl_devdata *devdata);
95
96#endif /* __VISCONTI_PINCTRL_COMMON_H__ */
97