9b62b6283c6e5b928ff4f910870a94c8c0f471c0
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3pandora.c
1 /*
2 * board-omap3pandora.c (Pandora Handheld Console)
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
16 * 02110-1301 USA
17 *
18 */
19
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
23
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/wl12xx.h>
29 #include <linux/leds.h>
30 #include <linux/input.h>
31 #include <linux/input/matrix_keypad.h>
32 #include <linux/gpio_keys.h>
33
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37
38 #include <plat/board.h>
39 #include <plat/common.h>
40 #include <mach/gpio.h>
41 #include <mach/hardware.h>
42 #include <plat/mcspi.h>
43 #include <plat/usb.h>
44 #include <plat/display.h>
45
46 #include "mux.h"
47 #include "sdram-micron-mt46h32m32lf-6.h"
48 #include "hsmmc.h"
49
50 #define OMAP3_PANDORA_TS_GPIO 94
51
52 /* hardware debounce: (value + 1) * 31us */
53 #define GPIO_DEBOUNCE_TIME 127
54
55 static struct gpio_led pandora_gpio_leds[] = {
56 {
57 .name = "pandora::sd1",
58 .default_trigger = "mmc0",
59 .gpio = 128,
60 }, {
61 .name = "pandora::sd2",
62 .default_trigger = "mmc1",
63 .gpio = 129,
64 }, {
65 .name = "pandora::bluetooth",
66 .gpio = 158,
67 }, {
68 .name = "pandora::wifi",
69 .gpio = 159,
70 },
71 };
72
73 static struct gpio_led_platform_data pandora_gpio_led_data = {
74 .leds = pandora_gpio_leds,
75 .num_leds = ARRAY_SIZE(pandora_gpio_leds),
76 };
77
78 static struct platform_device pandora_leds_gpio = {
79 .name = "leds-gpio",
80 .id = -1,
81 .dev = {
82 .platform_data = &pandora_gpio_led_data,
83 },
84 };
85
86 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
87 { \
88 .gpio = gpio_num, \
89 .type = ev_type, \
90 .code = ev_code, \
91 .active_low = act_low, \
92 .desc = "btn " descr, \
93 }
94
95 #define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
96 GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
97
98 static struct gpio_keys_button pandora_gpio_keys[] = {
99 GPIO_BUTTON_LOW(110, KEY_UP, "up"),
100 GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
101 GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
102 GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
103 GPIO_BUTTON_LOW(109, KEY_KP1, "game 1"),
104 GPIO_BUTTON_LOW(111, KEY_KP2, "game 2"),
105 GPIO_BUTTON_LOW(106, KEY_KP3, "game 3"),
106 GPIO_BUTTON_LOW(101, KEY_KP4, "game 4"),
107 GPIO_BUTTON_LOW(102, BTN_TL, "l"),
108 GPIO_BUTTON_LOW(97, BTN_TL2, "l2"),
109 GPIO_BUTTON_LOW(105, BTN_TR, "r"),
110 GPIO_BUTTON_LOW(107, BTN_TR2, "r2"),
111 GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
112 GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
113 GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
114 GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
115 GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
116 };
117
118 static struct gpio_keys_platform_data pandora_gpio_key_info = {
119 .buttons = pandora_gpio_keys,
120 .nbuttons = ARRAY_SIZE(pandora_gpio_keys),
121 };
122
123 static struct platform_device pandora_keys_gpio = {
124 .name = "gpio-keys",
125 .id = -1,
126 .dev = {
127 .platform_data = &pandora_gpio_key_info,
128 },
129 };
130
131 static void __init pandora_keys_gpio_init(void)
132 {
133 /* set debounce time for GPIO banks 4 and 6 */
134 gpio_set_debounce(32 * 3, GPIO_DEBOUNCE_TIME);
135 gpio_set_debounce(32 * 5, GPIO_DEBOUNCE_TIME);
136 }
137
138 static int board_keymap[] = {
139 /* row, col, code */
140 KEY(0, 0, KEY_9),
141 KEY(0, 1, KEY_8),
142 KEY(0, 2, KEY_I),
143 KEY(0, 3, KEY_J),
144 KEY(0, 4, KEY_N),
145 KEY(0, 5, KEY_M),
146 KEY(1, 0, KEY_0),
147 KEY(1, 1, KEY_7),
148 KEY(1, 2, KEY_U),
149 KEY(1, 3, KEY_H),
150 KEY(1, 4, KEY_B),
151 KEY(1, 5, KEY_SPACE),
152 KEY(2, 0, KEY_BACKSPACE),
153 KEY(2, 1, KEY_6),
154 KEY(2, 2, KEY_Y),
155 KEY(2, 3, KEY_G),
156 KEY(2, 4, KEY_V),
157 KEY(2, 5, KEY_FN),
158 KEY(3, 0, KEY_O),
159 KEY(3, 1, KEY_5),
160 KEY(3, 2, KEY_T),
161 KEY(3, 3, KEY_F),
162 KEY(3, 4, KEY_C),
163 KEY(4, 0, KEY_P),
164 KEY(4, 1, KEY_4),
165 KEY(4, 2, KEY_R),
166 KEY(4, 3, KEY_D),
167 KEY(4, 4, KEY_X),
168 KEY(5, 0, KEY_K),
169 KEY(5, 1, KEY_3),
170 KEY(5, 2, KEY_E),
171 KEY(5, 3, KEY_S),
172 KEY(5, 4, KEY_Z),
173 KEY(6, 0, KEY_L),
174 KEY(6, 1, KEY_2),
175 KEY(6, 2, KEY_W),
176 KEY(6, 3, KEY_A),
177 KEY(6, 4, KEY_DOT),
178 KEY(7, 0, KEY_ENTER),
179 KEY(7, 1, KEY_1),
180 KEY(7, 2, KEY_Q),
181 KEY(7, 3, KEY_LEFTSHIFT),
182 KEY(7, 4, KEY_COMMA),
183 };
184
185 static struct matrix_keymap_data board_map_data = {
186 .keymap = board_keymap,
187 .keymap_size = ARRAY_SIZE(board_keymap),
188 };
189
190 static struct twl4030_keypad_data pandora_kp_data = {
191 .keymap_data = &board_map_data,
192 .rows = 8,
193 .cols = 6,
194 .rep = 1,
195 };
196
197 static struct omap_dss_device pandora_lcd_device = {
198 .name = "lcd",
199 .driver_name = "tpo_td043mtea1_panel",
200 .type = OMAP_DISPLAY_TYPE_DPI,
201 .phy.dpi.data_lines = 24,
202 .reset_gpio = 157,
203 };
204
205 static struct omap_dss_device pandora_tv_device = {
206 .name = "tv",
207 .driver_name = "venc",
208 .type = OMAP_DISPLAY_TYPE_VENC,
209 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
210 };
211
212 static struct omap_dss_device *pandora_dss_devices[] = {
213 &pandora_lcd_device,
214 &pandora_tv_device,
215 };
216
217 static struct omap_dss_board_info pandora_dss_data = {
218 .num_devices = ARRAY_SIZE(pandora_dss_devices),
219 .devices = pandora_dss_devices,
220 .default_device = &pandora_lcd_device,
221 };
222
223 static struct platform_device pandora_dss_device = {
224 .name = "omapdss",
225 .id = -1,
226 .dev = {
227 .platform_data = &pandora_dss_data,
228 },
229 };
230
231 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
232 {
233 .mmc = 1,
234 .wires = 4,
235 .gpio_cd = -EINVAL,
236 .gpio_wp = 126,
237 .ext_clock = 0,
238 },
239 {
240 .mmc = 2,
241 .wires = 4,
242 .gpio_cd = -EINVAL,
243 .gpio_wp = 127,
244 .ext_clock = 1,
245 .transceiver = true,
246 },
247 {
248 .mmc = 3,
249 .wires = 4,
250 .gpio_cd = -EINVAL,
251 .gpio_wp = -EINVAL,
252 },
253 {} /* Terminator */
254 };
255
256 static int omap3pandora_twl_gpio_setup(struct device *dev,
257 unsigned gpio, unsigned ngpio)
258 {
259 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
260 omap3pandora_mmc[0].gpio_cd = gpio + 0;
261 omap3pandora_mmc[1].gpio_cd = gpio + 1;
262 omap2_hsmmc_init(omap3pandora_mmc);
263
264 return 0;
265 }
266
267 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
268 .gpio_base = OMAP_MAX_GPIO_LINES,
269 .irq_base = TWL4030_GPIO_IRQ_BASE,
270 .irq_end = TWL4030_GPIO_IRQ_END,
271 .setup = omap3pandora_twl_gpio_setup,
272 };
273
274 static struct regulator_consumer_supply pandora_vmmc1_supply =
275 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
276
277 static struct regulator_consumer_supply pandora_vmmc2_supply =
278 REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
279
280 static struct regulator_consumer_supply pandora_vdda_dac_supply =
281 REGULATOR_SUPPLY("vdda_dac", "omapdss");
282
283 static struct regulator_consumer_supply pandora_vdds_supplies[] = {
284 REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
285 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
286 };
287
288 static struct regulator_consumer_supply pandora_vcc_lcd_supply =
289 REGULATOR_SUPPLY("vcc", "display0");
290
291 static struct regulator_consumer_supply pandora_usb_phy_supply =
292 REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
293
294 /* ads7846 on SPI and 2 nub controllers on I2C */
295 static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
296 REGULATOR_SUPPLY("vcc", "spi1.0"),
297 REGULATOR_SUPPLY("vcc", "3-0066"),
298 REGULATOR_SUPPLY("vcc", "3-0067"),
299 };
300
301 static struct regulator_consumer_supply pandora_adac_supply =
302 REGULATOR_SUPPLY("vcc", "soc-audio");
303
304 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
305 static struct regulator_init_data pandora_vmmc1 = {
306 .constraints = {
307 .min_uV = 1850000,
308 .max_uV = 3150000,
309 .valid_modes_mask = REGULATOR_MODE_NORMAL
310 | REGULATOR_MODE_STANDBY,
311 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
312 | REGULATOR_CHANGE_MODE
313 | REGULATOR_CHANGE_STATUS,
314 },
315 .num_consumer_supplies = 1,
316 .consumer_supplies = &pandora_vmmc1_supply,
317 };
318
319 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
320 static struct regulator_init_data pandora_vmmc2 = {
321 .constraints = {
322 .min_uV = 1850000,
323 .max_uV = 3150000,
324 .valid_modes_mask = REGULATOR_MODE_NORMAL
325 | REGULATOR_MODE_STANDBY,
326 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
327 | REGULATOR_CHANGE_MODE
328 | REGULATOR_CHANGE_STATUS,
329 },
330 .num_consumer_supplies = 1,
331 .consumer_supplies = &pandora_vmmc2_supply,
332 };
333
334 /* VDAC for DSS driving S-Video */
335 static struct regulator_init_data pandora_vdac = {
336 .constraints = {
337 .min_uV = 1800000,
338 .max_uV = 1800000,
339 .apply_uV = true,
340 .valid_modes_mask = REGULATOR_MODE_NORMAL
341 | REGULATOR_MODE_STANDBY,
342 .valid_ops_mask = REGULATOR_CHANGE_MODE
343 | REGULATOR_CHANGE_STATUS,
344 },
345 .num_consumer_supplies = 1,
346 .consumer_supplies = &pandora_vdda_dac_supply,
347 };
348
349 /* VPLL2 for digital video outputs */
350 static struct regulator_init_data pandora_vpll2 = {
351 .constraints = {
352 .min_uV = 1800000,
353 .max_uV = 1800000,
354 .apply_uV = true,
355 .valid_modes_mask = REGULATOR_MODE_NORMAL
356 | REGULATOR_MODE_STANDBY,
357 .valid_ops_mask = REGULATOR_CHANGE_MODE
358 | REGULATOR_CHANGE_STATUS,
359 },
360 .num_consumer_supplies = ARRAY_SIZE(pandora_vdds_supplies),
361 .consumer_supplies = pandora_vdds_supplies,
362 };
363
364 /* VAUX1 for LCD */
365 static struct regulator_init_data pandora_vaux1 = {
366 .constraints = {
367 .min_uV = 3000000,
368 .max_uV = 3000000,
369 .apply_uV = true,
370 .valid_modes_mask = REGULATOR_MODE_NORMAL
371 | REGULATOR_MODE_STANDBY,
372 .valid_ops_mask = REGULATOR_CHANGE_MODE
373 | REGULATOR_CHANGE_STATUS,
374 },
375 .num_consumer_supplies = 1,
376 .consumer_supplies = &pandora_vcc_lcd_supply,
377 };
378
379 /* VAUX2 for USB host PHY */
380 static struct regulator_init_data pandora_vaux2 = {
381 .constraints = {
382 .min_uV = 1800000,
383 .max_uV = 1800000,
384 .apply_uV = true,
385 .valid_modes_mask = REGULATOR_MODE_NORMAL
386 | REGULATOR_MODE_STANDBY,
387 .valid_ops_mask = REGULATOR_CHANGE_MODE
388 | REGULATOR_CHANGE_STATUS,
389 },
390 .num_consumer_supplies = 1,
391 .consumer_supplies = &pandora_usb_phy_supply,
392 };
393
394 /* VAUX4 for ads7846 and nubs */
395 static struct regulator_init_data pandora_vaux4 = {
396 .constraints = {
397 .min_uV = 2800000,
398 .max_uV = 2800000,
399 .apply_uV = true,
400 .valid_modes_mask = REGULATOR_MODE_NORMAL
401 | REGULATOR_MODE_STANDBY,
402 .valid_ops_mask = REGULATOR_CHANGE_MODE
403 | REGULATOR_CHANGE_STATUS,
404 },
405 .num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies),
406 .consumer_supplies = pandora_vaux4_supplies,
407 };
408
409 /* VSIM for audio DAC */
410 static struct regulator_init_data pandora_vsim = {
411 .constraints = {
412 .min_uV = 2800000,
413 .max_uV = 2800000,
414 .apply_uV = true,
415 .valid_modes_mask = REGULATOR_MODE_NORMAL
416 | REGULATOR_MODE_STANDBY,
417 .valid_ops_mask = REGULATOR_CHANGE_MODE
418 | REGULATOR_CHANGE_STATUS,
419 },
420 .num_consumer_supplies = 1,
421 .consumer_supplies = &pandora_adac_supply,
422 };
423
424 static struct twl4030_usb_data omap3pandora_usb_data = {
425 .usb_mode = T2_USB_MODE_ULPI,
426 };
427
428 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
429 .audio_mclk = 26000000,
430 };
431
432 static struct twl4030_codec_data omap3pandora_codec_data = {
433 .audio_mclk = 26000000,
434 .audio = &omap3pandora_audio_data,
435 };
436
437 static struct twl4030_platform_data omap3pandora_twldata = {
438 .irq_base = TWL4030_IRQ_BASE,
439 .irq_end = TWL4030_IRQ_END,
440 .gpio = &omap3pandora_gpio_data,
441 .usb = &omap3pandora_usb_data,
442 .codec = &omap3pandora_codec_data,
443 .vmmc1 = &pandora_vmmc1,
444 .vmmc2 = &pandora_vmmc2,
445 .vdac = &pandora_vdac,
446 .vpll2 = &pandora_vpll2,
447 .vaux1 = &pandora_vaux1,
448 .vaux2 = &pandora_vaux2,
449 .vaux4 = &pandora_vaux4,
450 .vsim = &pandora_vsim,
451 .keypad = &pandora_kp_data,
452 };
453
454 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
455 {
456 I2C_BOARD_INFO("tps65950", 0x48),
457 .flags = I2C_CLIENT_WAKE,
458 .irq = INT_34XX_SYS_NIRQ,
459 .platform_data = &omap3pandora_twldata,
460 },
461 };
462
463 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
464 {
465 I2C_BOARD_INFO("bq27500", 0x55),
466 .flags = I2C_CLIENT_WAKE,
467 },
468 };
469
470 static int __init omap3pandora_i2c_init(void)
471 {
472 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
473 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
474 /* i2c2 pins are not connected */
475 omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
476 ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
477 return 0;
478 }
479
480 static void __init omap3pandora_ads7846_init(void)
481 {
482 int gpio = OMAP3_PANDORA_TS_GPIO;
483 int ret;
484
485 ret = gpio_request(gpio, "ads7846_pen_down");
486 if (ret < 0) {
487 printk(KERN_ERR "Failed to request GPIO %d for "
488 "ads7846 pen down IRQ\n", gpio);
489 return;
490 }
491
492 gpio_direction_input(gpio);
493 }
494
495 static int ads7846_get_pendown_state(void)
496 {
497 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
498 }
499
500 static struct ads7846_platform_data ads7846_config = {
501 .x_max = 0x0fff,
502 .y_max = 0x0fff,
503 .x_plate_ohms = 180,
504 .pressure_max = 255,
505 .debounce_max = 10,
506 .debounce_tol = 3,
507 .debounce_rep = 1,
508 .get_pendown_state = ads7846_get_pendown_state,
509 .keep_vref_on = 1,
510 };
511
512 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
513 .turbo_mode = 0,
514 .single_channel = 1, /* 0: slave, 1: master */
515 };
516
517 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
518 {
519 .modalias = "ads7846",
520 .bus_num = 1,
521 .chip_select = 0,
522 .max_speed_hz = 1500000,
523 .controller_data = &ads7846_mcspi_config,
524 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
525 .platform_data = &ads7846_config,
526 }, {
527 .modalias = "tpo_td043mtea1_panel_spi",
528 .bus_num = 1,
529 .chip_select = 1,
530 .max_speed_hz = 375000,
531 .platform_data = &pandora_lcd_device,
532 }
533 };
534
535 static void __init omap3pandora_init_irq(void)
536 {
537 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
538 mt46h32m32lf6_sdrc_params);
539 omap_init_irq();
540 omap_gpio_init();
541 }
542
543 static struct platform_device *omap3pandora_devices[] __initdata = {
544 &pandora_leds_gpio,
545 &pandora_keys_gpio,
546 &pandora_dss_device,
547 };
548
549 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
550
551 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
552 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
553 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
554
555 .phy_reset = true,
556 .reset_gpio_port[0] = 16,
557 .reset_gpio_port[1] = -EINVAL,
558 .reset_gpio_port[2] = -EINVAL
559 };
560
561 #ifdef CONFIG_OMAP_MUX
562 static struct omap_board_mux board_mux[] __initdata = {
563 { .reg_offset = OMAP_MUX_TERMINATOR },
564 };
565 #else
566 #define board_mux NULL
567 #endif
568
569 static struct omap_musb_board_data musb_board_data = {
570 .interface_type = MUSB_INTERFACE_ULPI,
571 .mode = MUSB_OTG,
572 .power = 100,
573 };
574
575 static void __init omap3pandora_init(void)
576 {
577 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
578 omap3pandora_i2c_init();
579 platform_add_devices(omap3pandora_devices,
580 ARRAY_SIZE(omap3pandora_devices));
581 omap_serial_init();
582 spi_register_board_info(omap3pandora_spi_board_info,
583 ARRAY_SIZE(omap3pandora_spi_board_info));
584 omap3pandora_ads7846_init();
585 usb_ehci_init(&ehci_pdata);
586 pandora_keys_gpio_init();
587 usb_musb_init(&musb_board_data);
588
589 /* Ensure SDRC pins are mux'd for self-refresh */
590 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
591 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
592 }
593
594 static void __init omap3pandora_map_io(void)
595 {
596 omap2_set_globals_343x();
597 omap34xx_map_common_io();
598 }
599
600 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
601 .phys_io = 0x48000000,
602 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
603 .boot_params = 0x80000100,
604 .map_io = omap3pandora_map_io,
605 .reserve = omap_reserve,
606 .init_irq = omap3pandora_init_irq,
607 .init_machine = omap3pandora_init,
608 .timer = &omap_timer,
609 MACHINE_END
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