drivers/pinctrl/berlin/berlin.h

   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 */