drivers/pinctrl/meson/pinctrl-meson8-pmx.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * First generation of pinmux driver for Amlogic Meson SoCs
   4  *
   5  * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
   6  * Copyright (C) 2017 Jerome Brunet  <jbrunet@baylibre.com>
   7  */
   8
   9 struct meson8_pmx_data {
  10         bool is_gpio;
  11         unsigned int reg;
  12         unsigned int bit;
  13 };
  14
  15 #define PMX_DATA(r, b, g)                                               \
  16         {                                                               \
  17                 .reg = r,                                               \
  18                 .bit = b,                                               \
  19                 .is_gpio = g,                                           \
  20         }
  21
  22 #define GROUP(grp, r, b)                                                \
  23         {                                                               \
  24                 .name = #grp,                                           \
  25                 .pins = grp ## _pins,                                   \
  26                 .num_pins = ARRAY_SIZE(grp ## _pins),                   \
  27                 .data = (const struct meson8_pmx_data[]){               \
  28                         PMX_DATA(r, b, false),                          \
  29                 },                                                      \
  30          }
  31
  32 #define GPIO_GROUP(gpio)                                                \
  33         {                                                               \
  34                 .name = #gpio,                                          \
  35                 .pins = (const unsigned int[]){ gpio },                 \
  36                 .num_pins = 1,                                          \
  37                 .data = (const struct meson8_pmx_data[]){               \
  38                         PMX_DATA(0, 0, true),                           \
  39                 },                                                      \
  40         }
  41
  42 extern const struct pinmux_ops meson8_pmx_ops;