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

   1 /*
   2  * First generation of pinmux driver for Amlogic Meson SoCs
   3  *
   4  * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
   5  * Copyright (C) 2017 Jerome Brunet  <jbrunet@baylibre.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  13  */
  14
  15 struct meson8_pmx_data {
  16         bool is_gpio;
  17         unsigned int reg;
  18         unsigned int bit;
  19 };
  20
  21 #define PMX_DATA(r, b, g)                                               \
  22         {                                                               \
  23                 .reg = r,                                               \
  24                 .bit = b,                                               \
  25                 .is_gpio = g,                                           \
  26         }
  27
  28 #define GROUP(grp, r, b)                                                \
  29         {                                                               \
  30                 .name = #grp,                                           \
  31                 .pins = grp ## _pins,                                   \
  32                 .num_pins = ARRAY_SIZE(grp ## _pins),                   \
  33                 .data = (const struct meson8_pmx_data[]){               \
  34                         PMX_DATA(r, b, false),                          \
  35                 },                                                      \
  36          }
  37
  38 #define GPIO_GROUP(gpio)                                                \
  39         {                                                               \
  40                 .name = #gpio,                                          \
  41                 .pins = (const unsigned int[]){ gpio },                 \
  42                 .num_pins = 1,                                          \
  43                 .data = (const struct meson8_pmx_data[]){               \
  44                         PMX_DATA(0, 0, true),                           \
  45                 },                                                      \
  46         }
  47
  48 extern const struct pinmux_ops meson8_pmx_ops;