xref: /openbmc/linux/drivers/pinctrl/berlin/berlin.h (revision d5c79fcb)
1 /*
2  * Marvell Berlin SoC pinctrl driver.
3  *
4  * Copyright (C) 2014 Marvell Technology Group Ltd.
5  *
6  * Antoine Ténart <antoine.tenart@free-electrons.com>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2. This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12 
13 #ifndef __PINCTRL_BERLIN_H
14 #define __PINCTRL_BERLIN_H
15 
16 struct berlin_desc_function {
17 	const char	*name;
18 	u8		muxval;
19 };
20 
21 struct berlin_desc_group {
22 	const char			*name;
23 	u8				offset;
24 	u8				bit_width;
25 	u8				lsb;
26 	struct berlin_desc_function	*functions;
27 };
28 
29 struct berlin_pinctrl_desc {
30 	const struct berlin_desc_group	*groups;
31 	unsigned			ngroups;
32 };
33 
34 struct berlin_pinctrl_function {
35 	const char	*name;
36 	const char	**groups;
37 	unsigned	ngroups;
38 };
39 
40 #define BERLIN_PINCTRL_GROUP(_name, _offset, _width, _lsb, ...)		\
41 	{								\
42 		.name = _name,						\
43 		.offset = _offset,					\
44 		.bit_width = _width,					\
45 		.lsb = _lsb,						\
46 		.functions = (struct berlin_desc_function[]){		\
47 			__VA_ARGS__, { } },				\
48 	}
49 
50 #define BERLIN_PINCTRL_FUNCTION(_muxval, _name)		\
51 	{						\
52 		.name = _name,				\
53 		.muxval = _muxval,			\
54 	}
55 
56 #define BERLIN_PINCTRL_FUNCTION_UNKNOWN		{}
57 
58 int berlin_pinctrl_probe(struct platform_device *pdev,
59 			 const struct berlin_pinctrl_desc *desc);
60 
61 int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
62 				const struct berlin_pinctrl_desc *desc,
63 				struct regmap *regmap);
64 
65 #endif /* __PINCTRL_BERLIN_H */
66