drivers/pinctrl/meson/pinctrl-meson-axg.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2017 Jerome Brunet  <jbrunet@baylibre.com>
   4  * Copyright (C) 2017 Xingyu Chen <xingyu.chen@amlogic.com>
   5  */
   6
   7 #ifndef __PINCTRL_MESON_AXG_H__
   8 #define __PINCTRL_MESON_AXG_H__
   9
  10 #include "pinctrl-meson.h"
  11
  12 struct meson_pmx_bank {
  13         const char *name;
  14         unsigned int first;
  15         unsigned int last;
  16         unsigned int reg;
  17         unsigned int offset;
  18 };
  19
  20 struct meson_axg_pmx_data {
  21         struct meson_pmx_bank *pmx_banks;
  22         unsigned int num_pmx_banks;
  23 };
  24
  25 #define BANK_PMX(n, f, l, r, o)                         \
  26         {                                                       \
  27                 .name   = n,                                    \
  28                 .first  = f,                                    \
  29                 .last   = l,                                    \
  30                 .reg    = r,                                    \
  31                 .offset = o,                                    \
  32         }
  33
  34 struct meson_pmx_axg_data {
  35         unsigned int func;
  36 };
  37
  38 #define PMX_DATA(f)                                                     \
  39         {                                                               \
  40                 .func = f,                                              \
  41         }
  42
  43 #define GROUP(grp, f)                                                   \
  44         {                                                               \
  45                 .name = #grp,                                           \
  46                 .pins = grp ## _pins,                                   \
  47                 .num_pins = ARRAY_SIZE(grp ## _pins),                   \
  48                 .data = (const struct meson_pmx_axg_data[]){            \
  49                         PMX_DATA(f),                                    \
  50                 },                                                      \
  51         }
  52
  53 #define GPIO_GROUP(gpio, b)                                             \
  54         {                                                               \
  55                 .name = #gpio,                                          \
  56                 .pins = (const unsigned int[]){ PIN(gpio, b) },         \
  57                 .num_pins = 1,                                          \
  58                 .data = (const struct meson_pmx_axg_data[]){            \
  59                         PMX_DATA(0),                                    \
  60                 },                                                      \
  61         }
  62
  63 extern const struct pinctrl_ops meson_axg_pinctrl_ops;
  64 extern const struct driver meson_axg_gpio_driver;
  65
  66 #endif /* __PINCTRL_MESON_AXG_H__ */