1 /*
2 * arch/arm/plat-omap/include/mach/mux.h
3 *
4 * Table of the Omap register configurations for the FUNC_MUX and
5 * PULL_DWN combinations.
6 *
7 * Copyright (C) 2004 - 2008 Texas Instruments Inc.
8 * Copyright (C) 2003 - 2008 Nokia Corporation
9 *
10 * Written by Tony Lindgren
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 * NOTE: Please use the following naming style for new pin entries.
27 * For example, W8_1610_MMC2_DAT0, where:
28 * - W8 = ball
29 * - 1610 = 1510 or 1610, none if common for both 1510 and 1610
30 * - MMC2_DAT0 = function
31 */
32
33 #ifndef __ASM_ARCH_MUX_H
34 #define __ASM_ARCH_MUX_H
35
36 #define PU_PD_SEL_NA 0 /* No pu_pd reg available */
37 #define PULL_DWN_CTRL_NA 0 /* No pull-down control needed */
38
39 #ifdef CONFIG_OMAP_MUX_DEBUG
40 #define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
41 .mux_reg = FUNC_MUX_CTRL_##reg, \
42 .mask_offset = mode_offset, \
43 .mask = mode,
44
45 #define PULL_REG(reg, bit, status) .pull_name = "PULL_DWN_CTRL_"#reg, \
46 .pull_reg = PULL_DWN_CTRL_##reg, \
47 .pull_bit = bit, \
48 .pull_val = status,
49
50 #define PU_PD_REG(reg, status) .pu_pd_name = "PU_PD_SEL_"#reg, \
51 .pu_pd_reg = PU_PD_SEL_##reg, \
52 .pu_pd_val = status,
53
54 #define MUX_REG_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \
55 .mux_reg = OMAP7XX_IO_CONF_##reg, \
56 .mask_offset = mode_offset, \
57 .mask = mode,
58
59 #define PULL_REG_7XX(reg, bit, status) .pull_name = "OMAP7XX_IO_CONF_"#reg, \
60 .pull_reg = OMAP7XX_IO_CONF_##reg, \
61 .pull_bit = bit, \
62 .pull_val = status,
63
64 #else
65
66 #define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
67 .mask_offset = mode_offset, \
68 .mask = mode,
69
70 #define PULL_REG(reg, bit, status) .pull_reg = PULL_DWN_CTRL_##reg, \
71 .pull_bit = bit, \
72 .pull_val = status,
73
74 #define PU_PD_REG(reg, status) .pu_pd_reg = PU_PD_SEL_##reg, \
75 .pu_pd_val = status,
76
77 #define MUX_REG_7XX(reg, mode_offset, mode) \
78 .mux_reg = OMAP7XX_IO_CONF_##reg, \
79 .mask_offset = mode_offset, \
80 .mask = mode,
81
82 #define PULL_REG_7XX(reg, bit, status) .pull_reg = OMAP7XX_IO_CONF_##reg, \
83 .pull_bit = bit, \
84 .pull_val = status,
85
86 #endif /* CONFIG_OMAP_MUX_DEBUG */
87
88 #define MUX_CFG(desc, mux_reg, mode_offset, mode, \
89 pull_reg, pull_bit, pull_status, \
90 pu_pd_reg, pu_pd_status, debug_status) \
91 { \
92 .name = desc, \
93 .debug = debug_status, \
94 MUX_REG(mux_reg, mode_offset, mode) \
95 PULL_REG(pull_reg, pull_bit, pull_status) \
96 PU_PD_REG(pu_pd_reg, pu_pd_status) \
97 },
98
99
100 /*
101 * OMAP730/850 has a slightly different config for the pin mux.
102 * - config regs are the OMAP7XX_IO_CONF_x regs (see omap730.h) regs and
103 * not the FUNC_MUX_CTRL_x regs from hardware.h
104 * - for pull-up/down, only has one enable bit which is is in the same register
105 * as mux config
106 */
107 #define MUX_CFG_7XX(desc, mux_reg, mode_offset, mode, \
108 pull_bit, pull_status, debug_status)\
109 { \
110 .name = desc, \
111 .debug = debug_status, \
112 MUX_REG_7XX(mux_reg, mode_offset, mode) \
113 PULL_REG_7XX(mux_reg, pull_bit, pull_status) \
114 PU_PD_REG(NA, 0) \
115 },
116
117 struct pin_config {
118 char *name;
119 const unsigned int mux_reg;
120 unsigned char debug;
121
122 const unsigned char mask_offset;
123 const unsigned char mask;
124
125 const char *pull_name;
126 const unsigned int pull_reg;
127 const unsigned char pull_val;
128 const unsigned char pull_bit;
129
130 const char *pu_pd_name;
131 const unsigned int pu_pd_reg;
132 const unsigned char pu_pd_val;
133
134 #if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
135 const char *mux_reg_name;
136 #endif
137
138 };
139
140 enum omap7xx_index {
141 /* OMAP 730 keyboard */
142 E2_7XX_KBR0,
143 J7_7XX_KBR1,
144 E1_7XX_KBR2,
145 F3_7XX_KBR3,
146 D2_7XX_KBR4,
147 C2_7XX_KBC0,
148 D3_7XX_KBC1,
149 E4_7XX_KBC2,
150 F4_7XX_KBC3,
151 E3_7XX_KBC4,
152
153 /* USB */
154 AA17_7XX_USB_DM,
155 W16_7XX_USB_PU_EN,
156 W17_7XX_USB_VBUSI,
157 W18_7XX_USB_DMCK_OUT,
158 W19_7XX_USB_DCRST,
159
160 /* MMC */
161 MMC_7XX_CMD,
162 MMC_7XX_CLK,
163 MMC_7XX_DAT0,
164
165 /* I2C */
166 I2C_7XX_SCL,
167 I2C_7XX_SDA,
168
169 /* SPI */
170 SPI_7XX_1,
171 SPI_7XX_2,
172 SPI_7XX_3,
173 SPI_7XX_4,
174 SPI_7XX_5,
175 SPI_7XX_6,
176
177 /* UART */
178 UART_7XX_1,
179 UART_7XX_2,
180 };
181
182 enum omap1xxx_index {
183 /* UART1 (BT_UART_GATING)*/
184 UART1_TX = 0,
185 UART1_RTS,
186
187 /* UART2 (COM_UART_GATING)*/
188 UART2_TX,
189 UART2_RX,
190 UART2_CTS,
191 UART2_RTS,
192
193 /* UART3 (GIGA_UART_GATING) */
194 UART3_TX,
195 UART3_RX,
196 UART3_CTS,
197 UART3_RTS,
198 UART3_CLKREQ,
199 UART3_BCLK, /* 12MHz clock out */
200 Y15_1610_UART3_RTS,
201
202 /* PWT & PWL */
203 PWT,
204 PWL,
205
206 /* USB master generic */
207 R18_USB_VBUS,
208 R18_1510_USB_GPIO0,
209 W4_USB_PUEN,
210 W4_USB_CLKO,
211 W4_USB_HIGHZ,
212 W4_GPIO58,
213
214 /* USB1 master */
215 USB1_SUSP,
216 USB1_SEO,
217 W13_1610_USB1_SE0,
218 USB1_TXEN,
219 USB1_TXD,
220 USB1_VP,
221 USB1_VM,
222 USB1_RCV,
223 USB1_SPEED,
224 R13_1610_USB1_SPEED,
225 R13_1710_USB1_SE0,
226
227 /* USB2 master */
228 USB2_SUSP,
229 USB2_VP,
230 USB2_TXEN,
231 USB2_VM,
232 USB2_RCV,
233 USB2_SEO,
234 USB2_TXD,
235
236 /* OMAP-1510 GPIO */
237 R18_1510_GPIO0,
238 R19_1510_GPIO1,
239 M14_1510_GPIO2,
240
241 /* OMAP1610 GPIO */
242 P18_1610_GPIO3,
243 Y15_1610_GPIO17,
244
245 /* OMAP-1710 GPIO */
246 R18_1710_GPIO0,
247 V2_1710_GPIO10,
248 N21_1710_GPIO14,
249 W15_1710_GPIO40,
250
251 /* MPUIO */
252 MPUIO2,
253 N15_1610_MPUIO2,
254 MPUIO4,
255 MPUIO5,
256 T20_1610_MPUIO5,
257 W11_1610_MPUIO6,
258 V10_1610_MPUIO7,
259 W11_1610_MPUIO9,
260 V10_1610_MPUIO10,
261 W10_1610_MPUIO11,
262 E20_1610_MPUIO13,
263 U20_1610_MPUIO14,
264 E19_1610_MPUIO15,
265
266 /* MCBSP2 */
267 MCBSP2_CLKR,
268 MCBSP2_CLKX,
269 MCBSP2_DR,
270 MCBSP2_DX,
271 MCBSP2_FSR,
272 MCBSP2_FSX,
273
274 /* MCBSP3 */
275 MCBSP3_CLKX,
276
277 /* Misc ballouts */
278 BALLOUT_V8_ARMIO3,
279 N20_HDQ,
280
281 /* OMAP-1610 MMC2 */
282 W8_1610_MMC2_DAT0,
283 V8_1610_MMC2_DAT1,
284 W15_1610_MMC2_DAT2,
285 R10_1610_MMC2_DAT3,
286 Y10_1610_MMC2_CLK,
287 Y8_1610_MMC2_CMD,
288 V9_1610_MMC2_CMDDIR,
289 V5_1610_MMC2_DATDIR0,
290 W19_1610_MMC2_DATDIR1,
291 R18_1610_MMC2_CLKIN,
292
293 /* OMAP-1610 External Trace Interface */
294 M19_1610_ETM_PSTAT0,
295 L15_1610_ETM_PSTAT1,
296 L18_1610_ETM_PSTAT2,
297 L19_1610_ETM_D0,
298 J19_1610_ETM_D6,
299 J18_1610_ETM_D7,
300
301 /* OMAP16XX GPIO */
302 P20_1610_GPIO4,
303 V9_1610_GPIO7,
304 W8_1610_GPIO9,
305 N20_1610_GPIO11,
306 N19_1610_GPIO13,
307 P10_1610_GPIO22,
308 V5_1610_GPIO24,
309 AA20_1610_GPIO_41,
310 W19_1610_GPIO48,
311 M7_1610_GPIO62,
312 V14_16XX_GPIO37,
313 R9_16XX_GPIO18,
314 L14_16XX_GPIO49,
315
316 /* OMAP-1610 uWire */
317 V19_1610_UWIRE_SCLK,
318 U18_1610_UWIRE_SDI,
319 W21_1610_UWIRE_SDO,
320 N14_1610_UWIRE_CS0,
321 P15_1610_UWIRE_CS3,
322 N15_1610_UWIRE_CS1,
323
324 /* OMAP-1610 SPI */
325 U19_1610_SPIF_SCK,
326 U18_1610_SPIF_DIN,
327 P20_1610_SPIF_DIN,
328 W21_1610_SPIF_DOUT,
329 R18_1610_SPIF_DOUT,
330 N14_1610_SPIF_CS0,
331 N15_1610_SPIF_CS1,
332 T19_1610_SPIF_CS2,
333 P15_1610_SPIF_CS3,
334
335 /* OMAP-1610 Flash */
336 L3_1610_FLASH_CS2B_OE,
337 M8_1610_FLASH_CS2B_WE,
338
339 /* First MMC */
340 MMC_CMD,
341 MMC_DAT1,
342 MMC_DAT2,
343 MMC_DAT0,
344 MMC_CLK,
345 MMC_DAT3,
346
347 /* OMAP-1710 MMC CMDDIR and DATDIR0 */
348 M15_1710_MMC_CLKI,
349 P19_1710_MMC_CMDDIR,
350 P20_1710_MMC_DATDIR0,
351
352 /* OMAP-1610 USB0 alternate pin configuration */
353 W9_USB0_TXEN,
354 AA9_USB0_VP,
355 Y5_USB0_RCV,
356 R9_USB0_VM,
357 V6_USB0_TXD,
358 W5_USB0_SE0,
359 V9_USB0_SPEED,
360 V9_USB0_SUSP,
361
362 /* USB2 */
363 W9_USB2_TXEN,
364 AA9_USB2_VP,
365 Y5_USB2_RCV,
366 R9_USB2_VM,
367 V6_USB2_TXD,
368 W5_USB2_SE0,
369
370 /* 16XX UART */
371 R13_1610_UART1_TX,
372 V14_16XX_UART1_RX,
373 R14_1610_UART1_CTS,
374 AA15_1610_UART1_RTS,
375 R9_16XX_UART2_RX,
376 L14_16XX_UART3_RX,
377
378 /* I2C OMAP-1610 */
379 I2C_SCL,
380 I2C_SDA,
381
382 /* Keypad */
383 F18_1610_KBC0,
384 D20_1610_KBC1,
385 D19_1610_KBC2,
386 E18_1610_KBC3,
387 C21_1610_KBC4,
388 G18_1610_KBR0,
389 F19_1610_KBR1,
390 H14_1610_KBR2,
391 E20_1610_KBR3,
392 E19_1610_KBR4,
393 N19_1610_KBR5,
394
395 /* Power management */
396 T20_1610_LOW_PWR,
397
398 /* MCLK Settings */
399 V5_1710_MCLK_ON,
400 V5_1710_MCLK_OFF,
401 R10_1610_MCLK_ON,
402 R10_1610_MCLK_OFF,
403
404 /* CompactFlash controller */
405 P11_1610_CF_CD2,
406 R11_1610_CF_IOIS16,
407 V10_1610_CF_IREQ,
408 W10_1610_CF_RESET,
409 W11_1610_CF_CD1,
410
411 /* parallel camera */
412 J15_1610_CAM_LCLK,
413 J18_1610_CAM_D7,
414 J19_1610_CAM_D6,
415 J14_1610_CAM_D5,
416 K18_1610_CAM_D4,
417 K19_1610_CAM_D3,
418 K15_1610_CAM_D2,
419 K14_1610_CAM_D1,
420 L19_1610_CAM_D0,
421 L18_1610_CAM_VS,
422 L15_1610_CAM_HS,
423 M19_1610_CAM_RSTZ,
424 Y15_1610_CAM_OUTCLK,
425
426 /* serial camera */
427 H19_1610_CAM_EXCLK,
428 Y12_1610_CCP_CLKP,
429 W13_1610_CCP_CLKM,
430 W14_1610_CCP_DATAP,
431 Y14_1610_CCP_DATAM,
432
433 };
434
435 struct omap_mux_cfg {
436 struct pin_config *pins;
437 unsigned long size;
438 int (*cfg_reg)(const struct pin_config *cfg);
439 };
440
441 #ifdef CONFIG_OMAP_MUX
442 /* setup pin muxing in Linux */
443 extern int omap1_mux_init(void);
444 extern int omap_mux_register(struct omap_mux_cfg *);
445 extern int omap_cfg_reg(unsigned long reg_cfg);
446 #else
447 /* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */
omap1_mux_init(void)448 static inline int omap1_mux_init(void) { return 0; }
omap_cfg_reg(unsigned long reg_cfg)449 static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }
450 #endif
451
452 extern int omap2_mux_init(void);
453
454 #endif
455