summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/berlin/berlin.h
blob: d7787754d1edf8642b37ef9eed9f8a41264fb7f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Marvell Berlin SoC pinctrl driver.
 *
 * Copyright (C) 2014 Marvell Technology Group Ltd.
 *
 * Antoine Ténart <antoine.tenart@free-electrons.com>
 */

#ifndef __PINCTRL_BERLIN_H
#define __PINCTRL_BERLIN_H

struct berlin_desc_function {
	const char	*name;
	u8		muxval;
};

struct berlin_desc_group {
	const char			*name;
	u8				offset;
	u8				bit_width;
	u8				lsb;
	struct berlin_desc_function	*functions;
};

struct berlin_pinctrl_desc {
	const struct berlin_desc_group	*groups;
	unsigned			ngroups;
};

struct berlin_pinctrl_function {
	const char	*name;
	const char	**groups;
	unsigned	ngroups;
};

#define BERLIN_PINCTRL_GROUP(_name, _offset, _width, _lsb, ...)		\
	{								\
		.name = _name,						\
		.offset = _offset,					\
		.bit_width = _width,					\
		.lsb = _lsb,						\
		.functions = (struct berlin_desc_function[]){		\
			__VA_ARGS__, { } },				\
	}

#define BERLIN_PINCTRL_FUNCTION(_muxval, _name)		\
	{						\
		.name = _name,				\
		.muxval = _muxval,			\
	}

#define BERLIN_PINCTRL_FUNCTION_UNKNOWN		{}

int berlin_pinctrl_probe(struct platform_device *pdev,
			 const struct berlin_pinctrl_desc *desc);

int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
				const struct berlin_pinctrl_desc *desc,
				struct regmap *regmap);

#endif /* __PINCTRL_BERLIN_H */