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

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * This header provides constants for Tegra pinctrl bindings.
   4  *
   5  * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
   6  *
   7  * Author: Laxman Dewangan <ldewangan@nvidia.com>
   8  */
   9
  10 #ifndef _DT_BINDINGS_PINCTRL_TEGRA_H
  11 #define _DT_BINDINGS_PINCTRL_TEGRA_H
  12
  13 /*
  14  * Enable/disable for diffeent dt properties. This is applicable for
  15  * properties nvidia,enable-input, nvidia,tristate, nvidia,open-drain,
  16  * nvidia,lock, nvidia,rcv-sel, nvidia,high-speed-mode, nvidia,schmitt.
  17  */
  18 #define TEGRA_PIN_DISABLE                               0
  19 #define TEGRA_PIN_ENABLE                                1
  20
  21 #define TEGRA_PIN_PULL_NONE                             0
  22 #define TEGRA_PIN_PULL_DOWN                             1
  23 #define TEGRA_PIN_PULL_UP                               2
  24
  25 /* Low power mode driver */
  26 #define TEGRA_PIN_LP_DRIVE_DIV_8                        0
  27 #define TEGRA_PIN_LP_DRIVE_DIV_4                        1
  28 #define TEGRA_PIN_LP_DRIVE_DIV_2                        2
  29 #define TEGRA_PIN_LP_DRIVE_DIV_1                        3
  30
  31 /* Rising/Falling slew rate */
  32 #define TEGRA_PIN_SLEW_RATE_FASTEST                     0
  33 #define TEGRA_PIN_SLEW_RATE_FAST                        1
  34 #define TEGRA_PIN_SLEW_RATE_SLOW                        2
  35 #define TEGRA_PIN_SLEW_RATE_SLOWEST                     3
  36
  37 #endif