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 46