kernel-ark/include/dt-bindings/pinctrl/pinctrl-tegra.h
Laxman Dewangan b758df2e2a ARM: tegra: Add header file for pinctrl constants
This new header file defines pincontrol constants for Tegra to
use from Tegra's DTS file for pincontrol properties option.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-12-16 14:09:20 -07:00

46 lines
1.4 KiB
C

/*
* This header provides constants for Tegra pinctrl bindings.
*
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* Author: Laxman Dewangan <ldewangan@nvidia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _DT_BINDINGS_PINCTRL_TEGRA_H
#define _DT_BINDINGS_PINCTRL_TEGRA_H
/*
* Enable/disable for diffeent dt properties. This is applicable for
* properties nvidia,enable-input, nvidia,tristate, nvidia,open-drain,
* nvidia,lock, nvidia,rcv-sel, nvidia,high-speed-mode, nvidia,schmitt.
*/
#define TEGRA_PIN_DISABLE 0
#define TEGRA_PIN_ENABLE 1
#define TEGRA_PIN_PULL_NONE 0
#define TEGRA_PIN_PULL_DOWN 1
#define TEGRA_PIN_PULL_UP 2
/* Low power mode driver */
#define TEGRA_PIN_LP_DRIVE_DIV_8 0
#define TEGRA_PIN_LP_DRIVE_DIV_4 1
#define TEGRA_PIN_LP_DRIVE_DIV_2 2
#define TEGRA_PIN_LP_DRIVE_DIV_1 3
/* Rising/Falling slew rate */
#define TEGRA_PIN_SLEW_RATE_FASTEST 0
#define TEGRA_PIN_SLEW_RATE_FAST 1
#define TEGRA_PIN_SLEW_RATE_SLOW 2
#define TEGRA_PIN_SLEW_RATE_SLOWEST 3
#endif