1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Marvell Berlin SoC pinctrl driver.
4  *
5  * Copyright (C) 2014 Marvell Technology Group Ltd.
6  *
7  * Antoine Ténart <antoine.tenart@free-electrons.com>
8  */
9 
10 #ifndef __PINCTRL_BERLIN_H
11 #define __PINCTRL_BERLIN_H
12 
13 struct berlin_desc_function {
14 	const char	*name;
15 	u8		muxval;
16 };
17 
18 struct berlin_desc_group {
19 	const char			*name;
20 	u8				offset;
21 	u8				bit_width;
22 	u8				lsb;
23 	struct berlin_desc_function	*functions;
24 };
25 
26 struct berlin_pinctrl_desc {
27 	const struct berlin_desc_group	*groups;
28 	unsigned			ngroups;
29 };
30 
31 struct berlin_pinctrl_function {
32 	const char	*name;
33 	const char	**groups;
34 	unsigned	ngroups;
35 };
36 
37 #define BERLIN_PINCTRL_GROUP(_name, _offset, _width, _lsb, ...)		\
38 	{								\
39 		.name = _name,						\
40 		.offset = _offset,					\
41 		.bit_width = _width,					\
42 		.lsb = _lsb,						\
43 		.functions = (struct berlin_desc_function[]){		\
44 			__VA_ARGS__, { } },				\
45 	}
46 
47 #define BERLIN_PINCTRL_FUNCTION(_muxval, _name)		\
48 	{						\
49 		.name = _name,				\
50 		.muxval = _muxval,			\
51 	}
52 
53 #define BERLIN_PINCTRL_FUNCTION_UNKNOWN		{}
54 
55 int berlin_pinctrl_probe(struct platform_device *pdev,
56 			 const struct berlin_pinctrl_desc *desc);
57 
58 int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
59 				const struct berlin_pinctrl_desc *desc,
60 				struct regmap *regmap);
61 
62 #endif /* __PINCTRL_BERLIN_H */
63