include/dt-bindings/pinctrl/pinctrl-tegra.h

   1 /*
   2  * This header provides constants for Tegra pinctrl bindings.
   3  *
   4  * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
   5  *
   6  * Author: Laxman Dewangan <ldewangan@nvidia.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms and conditions of the GNU General Public License,
  10  * version 2, as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  */
  17
  18 #ifndef _DT_BINDINGS_PINCTRL_TEGRA_H
  19 #define _DT_BINDINGS_PINCTRL_TEGRA_H
  20
  21 /*
  22  * Enable/disable for diffeent dt properties. This is applicable for
  23  * properties nvidia,enable-input, nvidia,tristate, nvidia,open-drain,
  24  * nvidia,lock, nvidia,rcv-sel, nvidia,high-speed-mode, nvidia,schmitt.
  25  */
  26 #define TEGRA_PIN_DISABLE                               0
  27 #define TEGRA_PIN_ENABLE                                1
  28
  29 #define TEGRA_PIN_PULL_NONE                             0
  30 #define TEGRA_PIN_PULL_DOWN                             1
  31 #define TEGRA_PIN_PULL_UP                               2
  32
  33 /* Low power mode driver */
  34 #define TEGRA_PIN_LP_DRIVE_DIV_8                        0
  35 #define TEGRA_PIN_LP_DRIVE_DIV_4                        1
  36 #define TEGRA_PIN_LP_DRIVE_DIV_2                        2
  37 #define TEGRA_PIN_LP_DRIVE_DIV_1                        3
  38
  39 /* Rising/Falling slew rate */
  40 #define TEGRA_PIN_SLEW_RATE_FASTEST                     0
  41 #define TEGRA_PIN_SLEW_RATE_FAST                        1
  42 #define TEGRA_PIN_SLEW_RATE_SLOW                        2
  43 #define TEGRA_PIN_SLEW_RATE_SLOWEST                     3
  44
  45 #endif