arch/arm/mach-tegra/include/mach/pinconf-tegra.h

   1 /*
   2  * pinctrl configuration definitions for the NVIDIA Tegra pinmux
   3  *
   4  * Copyright (c) 2011, NVIDIA CORPORATION.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  */
  15
  16 #ifndef __PINCONF_TEGRA_H__
  17 #define __PINCONF_TEGRA_H__
  18
  19 enum tegra_pinconf_param {
  20         /* argument: tegra_pinconf_pull */
  21         TEGRA_PINCONF_PARAM_PULL,
  22         /* argument: tegra_pinconf_tristate */
  23         TEGRA_PINCONF_PARAM_TRISTATE,
  24         /* argument: Boolean */
  25         TEGRA_PINCONF_PARAM_ENABLE_INPUT,
  26         /* argument: Boolean */
  27         TEGRA_PINCONF_PARAM_OPEN_DRAIN,
  28         /* argument: Boolean */
  29         TEGRA_PINCONF_PARAM_LOCK,
  30         /* argument: Boolean */
  31         TEGRA_PINCONF_PARAM_IORESET,
  32         /* argument: Boolean */
  33         TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE,
  34         /* argument: Boolean */
  35         TEGRA_PINCONF_PARAM_SCHMITT,
  36         /* argument: Boolean */
  37         TEGRA_PINCONF_PARAM_LOW_POWER_MODE,
  38         /* argument: Integer, range is HW-dependant */
  39         TEGRA_PINCONF_PARAM_DRIVE_DOWN_STRENGTH,
  40         /* argument: Integer, range is HW-dependant */
  41         TEGRA_PINCONF_PARAM_DRIVE_UP_STRENGTH,
  42         /* argument: Integer, range is HW-dependant */
  43         TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING,
  44         /* argument: Integer, range is HW-dependant */
  45         TEGRA_PINCONF_PARAM_SLEW_RATE_RISING,
  46 };
  47
  48 enum tegra_pinconf_pull {
  49         TEGRA_PINCONFIG_PULL_NONE,
  50         TEGRA_PINCONFIG_PULL_DOWN,
  51         TEGRA_PINCONFIG_PULL_UP,
  52 };
  53
  54 enum tegra_pinconf_tristate {
  55         TEGRA_PINCONFIG_DRIVEN,
  56         TEGRA_PINCONFIG_TRISTATE,
  57 };
  58
  59 #define TEGRA_PINCONF_PACK(_param_, _arg_) ((_param_) << 16 | (_arg_))
  60 #define TEGRA_PINCONF_UNPACK_PARAM(_conf_) ((_conf_) >> 16)
  61 #define TEGRA_PINCONF_UNPACK_ARG(_conf_) ((_conf_) & 0xffff)
  62
  63 #endif