aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tegra/include/mach/pinmux.h
blob: bb7dfdb612055e0413dc6d75f9a1a4e320a6bc07 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/*
 * linux/arch/arm/mach-tegra/include/mach/pinmux.h
 *
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that 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 __MACH_TEGRA_PINMUX_H
#define __MACH_TEGRA_PINMUX_H

#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
#include "pinmux-t2.h"
#else
#error "Undefined Tegra architecture"
#endif

enum tegra_mux_func {
	TEGRA_MUX_RSVD = 0x8000,
	TEGRA_MUX_RSVD1 = 0x8000,
	TEGRA_MUX_RSVD2 = 0x8001,
	TEGRA_MUX_RSVD3 = 0x8002,
	TEGRA_MUX_RSVD4 = 0x8003,
	TEGRA_MUX_NONE = -1,
	TEGRA_MUX_AHB_CLK,
	TEGRA_MUX_APB_CLK,
	TEGRA_MUX_AUDIO_SYNC,
	TEGRA_MUX_CRT,
	TEGRA_MUX_DAP1,
	TEGRA_MUX_DAP2,
	TEGRA_MUX_DAP3,
	TEGRA_MUX_DAP4,
	TEGRA_MUX_DAP5,
	TEGRA_MUX_DISPLAYA,
	TEGRA_MUX_DISPLAYB,
	TEGRA_MUX_EMC_TEST0_DLL,
	TEGRA_MUX_EMC_TEST1_DLL,
	TEGRA_MUX_GMI,
	TEGRA_MUX_GMI_INT,
	TEGRA_MUX_HDMI,
	TEGRA_MUX_I2C,
	TEGRA_MUX_I2C2,
	TEGRA_MUX_I2C3,
	TEGRA_MUX_IDE,
	TEGRA_MUX_IRDA,
	TEGRA_MUX_KBC,
	TEGRA_MUX_MIO,
	TEGRA_MUX_MIPI_HS,
	TEGRA_MUX_NAND,
	TEGRA_MUX_OSC,
	TEGRA_MUX_OWR,
	TEGRA_MUX_PCIE,
	TEGRA_MUX_PLLA_OUT,
	TEGRA_MUX_PLLC_OUT1,
	TEGRA_MUX_PLLM_OUT1,
	TEGRA_MUX_PLLP_OUT2,
	TEGRA_MUX_PLLP_OUT3,
	TEGRA_MUX_PLLP_OUT4,
	TEGRA_MUX_PWM,
	TEGRA_MUX_PWR_INTR,
	TEGRA_MUX_PWR_ON,
	TEGRA_MUX_RTCK,
	TEGRA_MUX_SDIO1,
	TEGRA_MUX_SDIO2,
	TEGRA_MUX_SDIO3,
	TEGRA_MUX_SDIO4,
	TEGRA_MUX_SFLASH,
	TEGRA_MUX_SPDIF,
	TEGRA_MUX_SPI1,
	TEGRA_MUX_SPI2,
	TEGRA_MUX_SPI2_ALT,
	TEGRA_MUX_SPI3,
	TEGRA_MUX_SPI4,
	TEGRA_MUX_TRACE,
	TEGRA_MUX_TWC,
	TEGRA_MUX_UARTA,
	TEGRA_MUX_UARTB,
	TEGRA_MUX_UARTC,
	TEGRA_MUX_UARTD,
	TEGRA_MUX_UARTE,
	TEGRA_MUX_ULPI,
	TEGRA_MUX_VI,
	TEGRA_MUX_VI_SENSOR_CLK,
	TEGRA_MUX_XIO,
	TEGRA_MUX_SAFE,
	TEGRA_MAX_MUX,
};

enum tegra_pullupdown {
	TEGRA_PUPD_NORMAL = 0,
	TEGRA_PUPD_PULL_DOWN,
	TEGRA_PUPD_PULL_UP,
};

enum tegra_tristate {
	TEGRA_TRI_NORMAL = 0,
	TEGRA_TRI_TRISTATE = 1,
};

enum tegra_vddio {
	TEGRA_VDDIO_BB = 0,
	TEGRA_VDDIO_LCD,
	TEGRA_VDDIO_VI,
	TEGRA_VDDIO_UART,
	TEGRA_VDDIO_DDR,
	TEGRA_VDDIO_NAND,
	TEGRA_VDDIO_SYS,
	TEGRA_VDDIO_AUDIO,
	TEGRA_VDDIO_SD,
};

struct tegra_pingroup_config {
	enum tegra_pingroup	pingroup;
	enum tegra_mux_func	func;
	enum tegra_pullupdown	pupd;
	enum tegra_tristate	tristate;
};

enum tegra_slew {
	TEGRA_SLEW_FASTEST = 0,
	TEGRA_SLEW_FAST,
	TEGRA_SLEW_SLOW,
	TEGRA_SLEW_SLOWEST,
	TEGRA_MAX_SLEW,
};

enum tegra_pull_strength {
	TEGRA_PULL_0 = 0,
	TEGRA_PULL_1,
	TEGRA_PULL_2,
	TEGRA_PULL_3,
	TEGRA_PULL_4,
	TEGRA_PULL_5,
	TEGRA_PULL_6,
	TEGRA_PULL_7,
	TEGRA_PULL_8,
	TEGRA_PULL_9,
	TEGRA_PULL_10,
	TEGRA_PULL_11,
	TEGRA_PULL_12,
	TEGRA_PULL_13,
	TEGRA_PULL_14,
	TEGRA_PULL_15,
	TEGRA_PULL_16,
	TEGRA_PULL_17,
	TEGRA_PULL_18,
	TEGRA_PULL_19,
	TEGRA_PULL_20,
	TEGRA_PULL_21,
	TEGRA_PULL_22,
	TEGRA_PULL_23,
	TEGRA_PULL_24,
	TEGRA_PULL_25,
	TEGRA_PULL_26,
	TEGRA_PULL_27,
	TEGRA_PULL_28,
	TEGRA_PULL_29,
	TEGRA_PULL_30,
	TEGRA_PULL_31,
	TEGRA_MAX_PULL,
};

enum tegra_drive {
	TEGRA_DRIVE_DIV_8 = 0,
	TEGRA_DRIVE_DIV_4,
	TEGRA_DRIVE_DIV_2,
	TEGRA_DRIVE_DIV_1,
	TEGRA_MAX_DRIVE,
};

enum tegra_hsm {
	TEGRA_HSM_DISABLE = 0,
	TEGRA_HSM_ENABLE,
};

enum tegra_schmitt {
	TEGRA_SCHMITT_DISABLE = 0,
	TEGRA_SCHMITT_ENABLE,
};

struct tegra_drive_pingroup_config {
	enum tegra_drive_pingroup pingroup;
	enum tegra_hsm hsm;
	enum tegra_schmitt schmitt;
	enum tegra_drive drive;
	enum tegra_pull_strength pull_down;
	enum tegra_pull_strength pull_up;
	enum tegra_slew slew_rising;
	enum tegra_slew slew_falling;
};

struct tegra_drive_pingroup_desc {
	const char *name;
	s16 reg_bank;
	s16 reg;
};

struct tegra_pingroup_desc {
	const char *name;
	int funcs[4];
	int func_safe;
	int vddio;
	s16 tri_bank;	/* Register bank the tri_reg exists within */
	s16 mux_bank;	/* Register bank the mux_reg exists within */
	s16 pupd_bank;	/* Register bank the pupd_reg exists within */
	s16 tri_reg; 	/* offset into the TRISTATE_REG_* register bank */
	s16 mux_reg;	/* offset into the PIN_MUX_CTL_* register bank */
	s16 pupd_reg;	/* offset into the PULL_UPDOWN_REG_* register bank */
	s8 tri_bit; 	/* offset into the TRISTATE_REG_* register bit */
	s8 mux_bit;	/* offset into the PIN_MUX_CTL_* register bit */
	s8 pupd_bit;	/* offset into the PULL_UPDOWN_REG_* register bit */
};

extern const struct tegra_pingroup_desc tegra_soc_pingroups[];
extern const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[];

int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
	enum tegra_tristate tristate);
int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
	enum tegra_pullupdown pupd);

void tegra_pinmux_config_table(const struct tegra_pingroup_config *config,
	int len);

void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,
	int len);
void tegra_pinmux_set_safe_pinmux_table(const struct tegra_pingroup_config *config,
	int len);
void tegra_pinmux_config_pinmux_table(const struct tegra_pingroup_config *config,
	int len);
void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *config,
	int len, enum tegra_tristate tristate);
void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *config,
	int len, enum tegra_pullupdown pupd);
#endif