drivers/pinctrl/berlin/berlin.h

   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 #define BERLIN_PINCTRL_GROUP(_name, _offset, _width, _lsb, ...)         \
  32         {                                                               \
  33                 .name = _name,                                          \
  34                 .offset = _offset,                                      \
  35                 .bit_width = _width,                                    \
  36                 .lsb = _lsb,                                            \
  37                 .functions = (struct berlin_desc_function[]){           \
  38                         __VA_ARGS__, { } },                             \
  39         }
  40
  41 #define BERLIN_PINCTRL_FUNCTION(_muxval, _name)         \
  42         {                                               \
  43                 .name = _name,                          \
  44                 .muxval = _muxval,                      \
  45         }
  46
  47 #define BERLIN_PINCTRL_FUNCTION_UNKNOWN         {}
  48
  49 int berlin_pinctrl_probe(struct platform_device *pdev,
  50                          const struct berlin_pinctrl_desc *desc);
  51
  52 int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
  53                                 const struct berlin_pinctrl_desc *desc,
  54                                 struct regmap *regmap);
  55
  56 #endif /* __PINCTRL_BERLIN_H */