drivers/pinctrl/meson/pinctrl-meson-gx.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
   4  * Copyright (C) 2017 Jerome Brunet  <jbrunet@baylibre.com>
   5  */
   6
   7 #ifndef __PINCTRL_MESON_GX_H__
   8 #define __PINCTRL_MESON_GX_H__
   9
  10 #include "pinctrl-meson.h"
  11
  12 struct meson_gx_pmx_data {
  13         bool is_gpio;
  14         unsigned int reg;
  15         unsigned int bit;
  16 };
  17
  18 #define PMX_DATA(r, b, g)                                               \
  19         {                                                               \
  20                 .reg = r,                                               \
  21                 .bit = b,                                               \
  22                 .is_gpio = g,                                           \
  23         }
  24
  25 #define GROUP(grp, r, b)                                                \
  26         {                                                               \
  27                 .name = #grp,                                           \
  28                 .pins = grp ## _pins,                                   \
  29                 .num_pins = ARRAY_SIZE(grp ## _pins),                   \
  30                         .data = (const struct meson_gx_pmx_data[]){     \
  31                         PMX_DATA(r, b, false),                          \
  32                 },                                                      \
  33         }
  34
  35 #define GPIO_GROUP(gpio, b)                                             \
  36         {                                                               \
  37                 .name = #gpio,                                          \
  38                 .pins = (const unsigned int[]){ PIN(gpio, b) },         \
  39                 .num_pins = 1,                                          \
  40                 .data = (const struct meson_gx_pmx_data[]){             \
  41                         PMX_DATA(0, 0, true),                           \
  42                 },                                                      \
  43         }
  44
  45 extern const struct pinctrl_ops meson_gx_pinctrl_ops;
  46 extern const struct driver meson_gx_gpio_driver;
  47
  48 #endif /* __PINCTRL_MESON_GX_H__ */