arch/arm/mach-tegra/board-pinmux.h

   1 /*
   2  * Copyright (c) 2011,2012, NVIDIA CORPORATION.  All rights reserved.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  */
  14
  15 #ifndef __MACH_TEGRA_BOARD_PINMUX_H
  16 #define __MACH_TEGRA_BOARD_PINMUX_H
  17
  18 #include <linux/pinctrl/machine.h>
  19
  20 #include <mach/pinconf-tegra.h>
  21
  22 #define PINMUX_DEV "tegra20-pinctrl"
  23
  24 #define TEGRA_MAP_MUX(_group_, _function_) \
  25         PIN_MAP_MUX_GROUP_HOG_DEFAULT(PINMUX_DEV, _group_, _function_)
  26
  27 #define TEGRA_MAP_CONF(_group_, _pull_, _drive_) \
  28         PIN_MAP_CONFIGS_GROUP_HOG_DEFAULT(PINMUX_DEV, _group_, tegra_pincfg_pull##_pull_##_##_drive_)
  29
  30 #define TEGRA_MAP_MUXCONF(_group_, _function_, _pull_, _drive_) \
  31         TEGRA_MAP_MUX(_group_, _function_), \
  32         TEGRA_MAP_CONF(_group_, _pull_, _drive_)
  33
  34 extern unsigned long tegra_pincfg_pullnone_driven[2];
  35 extern unsigned long tegra_pincfg_pullnone_tristate[2];
  36 extern unsigned long tegra_pincfg_pullnone_na[1];
  37 extern unsigned long tegra_pincfg_pullup_driven[2];
  38 extern unsigned long tegra_pincfg_pullup_tristate[2];
  39 extern unsigned long tegra_pincfg_pullup_na[1];
  40 extern unsigned long tegra_pincfg_pulldown_driven[2];
  41 extern unsigned long tegra_pincfg_pulldown_tristate[2];
  42 extern unsigned long tegra_pincfg_pulldown_na[1];
  43 extern unsigned long tegra_pincfg_pullna_driven[1];
  44 extern unsigned long tegra_pincfg_pullna_tristate[1];
  45
  46 struct tegra_board_pinmux_conf {
  47         struct pinctrl_map *maps;
  48         int map_count;
  49 };
  50
  51 void tegra_board_pinmux_init(struct tegra_board_pinmux_conf *conf_a,
  52                              struct tegra_board_pinmux_conf *conf_b);
  53
  54 #endif