xref: /OK3568_Linux_fs/u-boot/arch/arm/dts/include/dt-bindings/pinctrl/pinctrl-tegra.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * This header provides constants for Tegra pinctrl bindings.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Author: Laxman Dewangan <ldewangan@nvidia.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef _DT_BINDINGS_PINCTRL_TEGRA_H
12*4882a593Smuzhiyun #define _DT_BINDINGS_PINCTRL_TEGRA_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * Enable/disable for diffeent dt properties. This is applicable for
16*4882a593Smuzhiyun  * properties nvidia,enable-input, nvidia,tristate, nvidia,open-drain,
17*4882a593Smuzhiyun  * nvidia,lock, nvidia,rcv-sel, nvidia,high-speed-mode, nvidia,schmitt.
18*4882a593Smuzhiyun  */
19*4882a593Smuzhiyun #define TEGRA_PIN_DISABLE				0
20*4882a593Smuzhiyun #define TEGRA_PIN_ENABLE				1
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define TEGRA_PIN_PULL_NONE				0
23*4882a593Smuzhiyun #define TEGRA_PIN_PULL_DOWN				1
24*4882a593Smuzhiyun #define TEGRA_PIN_PULL_UP				2
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun /* Low power mode driver */
27*4882a593Smuzhiyun #define TEGRA_PIN_LP_DRIVE_DIV_8			0
28*4882a593Smuzhiyun #define TEGRA_PIN_LP_DRIVE_DIV_4			1
29*4882a593Smuzhiyun #define TEGRA_PIN_LP_DRIVE_DIV_2			2
30*4882a593Smuzhiyun #define TEGRA_PIN_LP_DRIVE_DIV_1			3
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun /* Rising/Falling slew rate */
33*4882a593Smuzhiyun #define TEGRA_PIN_SLEW_RATE_FASTEST			0
34*4882a593Smuzhiyun #define TEGRA_PIN_SLEW_RATE_FAST			1
35*4882a593Smuzhiyun #define TEGRA_PIN_SLEW_RATE_SLOW			2
36*4882a593Smuzhiyun #define TEGRA_PIN_SLEW_RATE_SLOWEST			3
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif
39