1 /*
2  * pinctrl configuration definitions for the NVIDIA Tegra pinmux
3  *
4  * Copyright (c) 2011, NVIDIA CORPORATION.  All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #ifndef __PINCONF_TEGRA_H__
17 #define __PINCONF_TEGRA_H__
18 
19 enum tegra_pinconf_param {
20 	/* argument: tegra_pinconf_pull */
21 	TEGRA_PINCONF_PARAM_PULL,
22 	/* argument: tegra_pinconf_tristate */
23 	TEGRA_PINCONF_PARAM_TRISTATE,
24 	/* argument: Boolean */
25 	TEGRA_PINCONF_PARAM_ENABLE_INPUT,
26 	/* argument: Boolean */
27 	TEGRA_PINCONF_PARAM_OPEN_DRAIN,
28 	/* argument: Boolean */
29 	TEGRA_PINCONF_PARAM_LOCK,
30 	/* argument: Boolean */
31 	TEGRA_PINCONF_PARAM_IORESET,
32 	/* argument: Boolean */
33 	TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE,
34 	/* argument: Boolean */
35 	TEGRA_PINCONF_PARAM_SCHMITT,
36 	/* argument: Boolean */
37 	TEGRA_PINCONF_PARAM_LOW_POWER_MODE,
38 	/* argument: Integer, range is HW-dependant */
39 	TEGRA_PINCONF_PARAM_DRIVE_DOWN_STRENGTH,
40 	/* argument: Integer, range is HW-dependant */
41 	TEGRA_PINCONF_PARAM_DRIVE_UP_STRENGTH,
42 	/* argument: Integer, range is HW-dependant */
43 	TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING,
44 	/* argument: Integer, range is HW-dependant */
45 	TEGRA_PINCONF_PARAM_SLEW_RATE_RISING,
46 };
47 
48 enum tegra_pinconf_pull {
49 	TEGRA_PINCONFIG_PULL_NONE,
50 	TEGRA_PINCONFIG_PULL_DOWN,
51 	TEGRA_PINCONFIG_PULL_UP,
52 };
53 
54 enum tegra_pinconf_tristate {
55 	TEGRA_PINCONFIG_DRIVEN,
56 	TEGRA_PINCONFIG_TRISTATE,
57 };
58 
59 #define TEGRA_PINCONF_PACK(_param_, _arg_) ((_param_) << 16 | (_arg_))
60 #define TEGRA_PINCONF_UNPACK_PARAM(_conf_) ((_conf_) >> 16)
61 #define TEGRA_PINCONF_UNPACK_ARG(_conf_) ((_conf_) & 0xffff)
62 
63 #endif
64