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vfs: remove unused wrapper block_page_mkwrite()
[linux/fpc-iii.git] / arch / arm / mach-omap1 / board-htcherald.c
blob9525ef9bc6c0db1b3e706a58b4348980b8843712
1 /*
2 * HTC Herald board configuration
3 * Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com>
4 * Copyright (C) 2009 Wing Linux
5 *
6 * Based on the board-htcwizard.c file from the linwizard project:
7 * Copyright (C) 2006 Unai Uribarri
8 * Copyright (C) 2008 linwizard.sourceforge.net
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of the
13 * License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 * 02110-1301, USA.
24 *
25 */
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/platform_device.h>
29 #include <linux/input.h>
30 #include <linux/delay.h>
31 #include <linux/gpio.h>
32 #include <linux/gpio_keys.h>
33 #include <linux/i2c.h>
34 #include <linux/i2c-gpio.h>
35 #include <linux/htcpld.h>
36 #include <linux/leds.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/ads7846.h>
39 #include <linux/omapfb.h>
40 #include <linux/platform_data/keypad-omap.h>
41
42 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44
45 #include <mach/omap7xx.h>
46 #include "mmc.h"
47
48 #include <mach/irqs.h>
49 #include <mach/usb.h>
50
51 #include "common.h"
52
53 /* LCD register definition */
54 #define OMAP_LCDC_CONTROL (0xfffec000 + 0x00)
55 #define OMAP_LCDC_STATUS (0xfffec000 + 0x10)
56 #define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2)
57 #define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4)
58 #define OMAP_LCDC_CTRL_LCD_EN (1 << 0)
59 #define OMAP_LCDC_STAT_DONE (1 << 0)
60
61 /* GPIO definitions for the power button and keyboard slide switch */
62 #define HTCHERALD_GPIO_POWER 139
63 #define HTCHERALD_GPIO_SLIDE 174
64 #define HTCHERALD_GIRQ_BTNS 141
65
66 /* GPIO definitions for the touchscreen */
67 #define HTCHERALD_GPIO_TS 76
68
69 /* HTCPLD definitions */
70
71 /*
72 * CPLD Logic
73 *
74 * Chip 3 - 0x03
75 *
76 * Function 7 6 5 4 3 2 1 0
77 * ------------------------------------
78 * DPAD light x x x x x x x 1
79 * SoundDev x x x x 1 x x x
80 * Screen white 1 x x x x x x x
81 * MMC power on x x x x x 1 x x
82 * Happy times (n) 0 x x x x 1 x x
83 *
84 * Chip 4 - 0x04
85 *
86 * Function 7 6 5 4 3 2 1 0
87 * ------------------------------------
88 * Keyboard light x x x x x x x 1
89 * LCD Bright (4) x x x x x 1 1 x
90 * LCD Bright (3) x x x x x 0 1 x
91 * LCD Bright (2) x x x x x 1 0 x
92 * LCD Bright (1) x x x x x 0 0 x
93 * LCD Off x x x x 0 x x x
94 * LCD image (fb) 1 x x x x x x x
95 * LCD image (white) 0 x x x x x x x
96 * Caps lock LED x x 1 x x x x x
97 *
98 * Chip 5 - 0x05
99 *
100 * Function 7 6 5 4 3 2 1 0
101 * ------------------------------------
102 * Red (solid) x x x x x 1 x x
103 * Red (flash) x x x x x x 1 x
104 * Green (GSM flash) x x x x 1 x x x
105 * Green (GSM solid) x x x 1 x x x x
106 * Green (wifi flash) x x 1 x x x x x
107 * Blue (bt flash) x 1 x x x x x x
108 * DPAD Int Enable 1 x x x x x x 0
109 *
110 * (Combinations of the above can be made for different colors.)
111 * The direction pad interrupt enable must be set each time the
112 * interrupt is handled.
113 *
114 * Chip 6 - 0x06
115 *
116 * Function 7 6 5 4 3 2 1 0
117 * ------------------------------------
118 * Vibrator x x x x 1 x x x
119 * Alt LED x x x 1 x x x x
120 * Screen white 1 x x x x x x x
121 * Screen white x x 1 x x x x x
122 * Screen white x 0 x x x x x x
123 * Enable kbd dpad x x x x x x 0 x
124 * Happy Times 0 1 0 x x x 0 x
125 */
126
127 /*
128 * HTCPLD GPIO lines start 16 after OMAP_MAX_GPIO_LINES to account
129 * for the 16 MPUIO lines.
130 */
131 #define HTCPLD_GPIO_START_OFFSET (OMAP_MAX_GPIO_LINES + 16)
132 #define HTCPLD_IRQ(chip, offset) (OMAP_IRQ_END + 8 * (chip) + (offset))
133 #define HTCPLD_BASE(chip, offset) \
134 (HTCPLD_GPIO_START_OFFSET + 8 * (chip) + (offset))
135
136 #define HTCPLD_GPIO_LED_DPAD HTCPLD_BASE(0, 0)
137 #define HTCPLD_GPIO_LED_KBD HTCPLD_BASE(1, 0)
138 #define HTCPLD_GPIO_LED_CAPS HTCPLD_BASE(1, 5)
139 #define HTCPLD_GPIO_LED_RED_FLASH HTCPLD_BASE(2, 1)
140 #define HTCPLD_GPIO_LED_RED_SOLID HTCPLD_BASE(2, 2)
141 #define HTCPLD_GPIO_LED_GREEN_FLASH HTCPLD_BASE(2, 3)
142 #define HTCPLD_GPIO_LED_GREEN_SOLID HTCPLD_BASE(2, 4)
143 #define HTCPLD_GPIO_LED_WIFI HTCPLD_BASE(2, 5)
144 #define HTCPLD_GPIO_LED_BT HTCPLD_BASE(2, 6)
145 #define HTCPLD_GPIO_LED_VIBRATE HTCPLD_BASE(3, 3)
146 #define HTCPLD_GPIO_LED_ALT HTCPLD_BASE(3, 4)
147
148 #define HTCPLD_GPIO_RIGHT_KBD HTCPLD_BASE(6, 7)
149 #define HTCPLD_GPIO_UP_KBD HTCPLD_BASE(6, 6)
150 #define HTCPLD_GPIO_LEFT_KBD HTCPLD_BASE(6, 5)
151 #define HTCPLD_GPIO_DOWN_KBD HTCPLD_BASE(6, 4)
152
153 #define HTCPLD_GPIO_RIGHT_DPAD HTCPLD_BASE(7, 7)
154 #define HTCPLD_GPIO_UP_DPAD HTCPLD_BASE(7, 6)
155 #define HTCPLD_GPIO_LEFT_DPAD HTCPLD_BASE(7, 5)
156 #define HTCPLD_GPIO_DOWN_DPAD HTCPLD_BASE(7, 4)
157 #define HTCPLD_GPIO_ENTER_DPAD HTCPLD_BASE(7, 3)
158
159 /*
160 * The htcpld chip requires a gpio write to a specific line
161 * to re-enable interrupts after one has occurred.
162 */
163 #define HTCPLD_GPIO_INT_RESET_HI HTCPLD_BASE(2, 7)
164 #define HTCPLD_GPIO_INT_RESET_LO HTCPLD_BASE(2, 0)
165
166 /* Chip 5 */
167 #define HTCPLD_IRQ_RIGHT_KBD HTCPLD_IRQ(0, 7)
168 #define HTCPLD_IRQ_UP_KBD HTCPLD_IRQ(0, 6)
169 #define HTCPLD_IRQ_LEFT_KBD HTCPLD_IRQ(0, 5)
170 #define HTCPLD_IRQ_DOWN_KBD HTCPLD_IRQ(0, 4)
171
172 /* Chip 6 */
173 #define HTCPLD_IRQ_RIGHT_DPAD HTCPLD_IRQ(1, 7)
174 #define HTCPLD_IRQ_UP_DPAD HTCPLD_IRQ(1, 6)
175 #define HTCPLD_IRQ_LEFT_DPAD HTCPLD_IRQ(1, 5)
176 #define HTCPLD_IRQ_DOWN_DPAD HTCPLD_IRQ(1, 4)
177 #define HTCPLD_IRQ_ENTER_DPAD HTCPLD_IRQ(1, 3)
178
179 /* Keyboard definition */
180
181 static const unsigned int htc_herald_keymap[] = {
182 KEY(0, 0, KEY_RECORD), /* Mail button */
183 KEY(1, 0, KEY_CAMERA), /* Camera */
184 KEY(2, 0, KEY_PHONE), /* Send key */
185 KEY(3, 0, KEY_VOLUMEUP), /* Volume up */
186 KEY(4, 0, KEY_F2), /* Right bar (landscape) */
187 KEY(5, 0, KEY_MAIL), /* Win key (portrait) */
188 KEY(6, 0, KEY_DIRECTORY), /* Right bar (protrait) */
189 KEY(0, 1, KEY_LEFTCTRL), /* Windows key */
190 KEY(1, 1, KEY_COMMA),
191 KEY(2, 1, KEY_M),
192 KEY(3, 1, KEY_K),
193 KEY(4, 1, KEY_SLASH), /* OK key */
194 KEY(5, 1, KEY_I),
195 KEY(6, 1, KEY_U),
196 KEY(0, 2, KEY_LEFTALT),
197 KEY(1, 2, KEY_TAB),
198 KEY(2, 2, KEY_N),
199 KEY(3, 2, KEY_J),
200 KEY(4, 2, KEY_ENTER),
201 KEY(5, 2, KEY_H),
202 KEY(6, 2, KEY_Y),
203 KEY(0, 3, KEY_SPACE),
204 KEY(1, 3, KEY_L),
205 KEY(2, 3, KEY_B),
206 KEY(3, 3, KEY_V),
207 KEY(4, 3, KEY_BACKSPACE),
208 KEY(5, 3, KEY_G),
209 KEY(6, 3, KEY_T),
210 KEY(0, 4, KEY_CAPSLOCK), /* Shift */
211 KEY(1, 4, KEY_C),
212 KEY(2, 4, KEY_F),
213 KEY(3, 4, KEY_R),
214 KEY(4, 4, KEY_O),
215 KEY(5, 4, KEY_E),
216 KEY(6, 4, KEY_D),
217 KEY(0, 5, KEY_X),
218 KEY(1, 5, KEY_Z),
219 KEY(2, 5, KEY_S),
220 KEY(3, 5, KEY_W),
221 KEY(4, 5, KEY_P),
222 KEY(5, 5, KEY_Q),
223 KEY(6, 5, KEY_A),
224 KEY(0, 6, KEY_CONNECT), /* Voice button */
225 KEY(2, 6, KEY_CANCEL), /* End key */
226 KEY(3, 6, KEY_VOLUMEDOWN), /* Volume down */
227 KEY(4, 6, KEY_F1), /* Left bar (landscape) */
228 KEY(5, 6, KEY_WWW), /* OK button (portrait) */
229 KEY(6, 6, KEY_CALENDAR), /* Left bar (portrait) */
230 };
231
232 static const struct matrix_keymap_data htc_herald_keymap_data = {
233 .keymap = htc_herald_keymap,
234 .keymap_size = ARRAY_SIZE(htc_herald_keymap),
235 };
236
237 static struct omap_kp_platform_data htcherald_kp_data = {
238 .rows = 7,
239 .cols = 7,
240 .delay = 20,
241 .rep = true,
242 .keymap_data = &htc_herald_keymap_data,
243 };
244
245 static struct resource kp_resources[] = {
246 [0] = {
247 .start = INT_7XX_MPUIO_KEYPAD,
248 .end = INT_7XX_MPUIO_KEYPAD,
249 .flags = IORESOURCE_IRQ,
250 },
251 };
252
253 static struct platform_device kp_device = {
254 .name = "omap-keypad",
255 .id = -1,
256 .dev = {
257 .platform_data = &htcherald_kp_data,
258 },
259 .num_resources = ARRAY_SIZE(kp_resources),
260 .resource = kp_resources,
261 };
262
263 /* GPIO buttons for keyboard slide and power button */
264 static struct gpio_keys_button herald_gpio_keys_table[] = {
265 {BTN_0, HTCHERALD_GPIO_POWER, 1, "POWER", EV_KEY, 1, 20},
266 {SW_LID, HTCHERALD_GPIO_SLIDE, 0, "SLIDE", EV_SW, 1, 20},
267
268 {KEY_LEFT, HTCPLD_GPIO_LEFT_KBD, 1, "LEFT", EV_KEY, 1, 20},
269 {KEY_RIGHT, HTCPLD_GPIO_RIGHT_KBD, 1, "RIGHT", EV_KEY, 1, 20},
270 {KEY_UP, HTCPLD_GPIO_UP_KBD, 1, "UP", EV_KEY, 1, 20},
271 {KEY_DOWN, HTCPLD_GPIO_DOWN_KBD, 1, "DOWN", EV_KEY, 1, 20},
272
273 {KEY_LEFT, HTCPLD_GPIO_LEFT_DPAD, 1, "DLEFT", EV_KEY, 1, 20},
274 {KEY_RIGHT, HTCPLD_GPIO_RIGHT_DPAD, 1, "DRIGHT", EV_KEY, 1, 20},
275 {KEY_UP, HTCPLD_GPIO_UP_DPAD, 1, "DUP", EV_KEY, 1, 20},
276 {KEY_DOWN, HTCPLD_GPIO_DOWN_DPAD, 1, "DDOWN", EV_KEY, 1, 20},
277 {KEY_ENTER, HTCPLD_GPIO_ENTER_DPAD, 1, "DENTER", EV_KEY, 1, 20},
278 };
279
280 static struct gpio_keys_platform_data herald_gpio_keys_data = {
281 .buttons = herald_gpio_keys_table,
282 .nbuttons = ARRAY_SIZE(herald_gpio_keys_table),
283 .rep = true,
284 };
285
286 static struct platform_device herald_gpiokeys_device = {
287 .name = "gpio-keys",
288 .id = -1,
289 .dev = {
290 .platform_data = &herald_gpio_keys_data,
291 },
292 };
293
294 /* LEDs for the Herald. These connect to the HTCPLD GPIO device. */
295 static struct gpio_led gpio_leds[] = {
296 {"dpad", NULL, HTCPLD_GPIO_LED_DPAD, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
297 {"kbd", NULL, HTCPLD_GPIO_LED_KBD, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
298 {"vibrate", NULL, HTCPLD_GPIO_LED_VIBRATE, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
299 {"green_solid", NULL, HTCPLD_GPIO_LED_GREEN_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
300 {"green_flash", NULL, HTCPLD_GPIO_LED_GREEN_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
301 {"red_solid", "mmc0", HTCPLD_GPIO_LED_RED_SOLID, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
302 {"red_flash", NULL, HTCPLD_GPIO_LED_RED_FLASH, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
303 {"wifi", NULL, HTCPLD_GPIO_LED_WIFI, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
304 {"bt", NULL, HTCPLD_GPIO_LED_BT, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
305 {"caps", NULL, HTCPLD_GPIO_LED_CAPS, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
306 {"alt", NULL, HTCPLD_GPIO_LED_ALT, 0, 0, LEDS_GPIO_DEFSTATE_OFF},
307 };
308
309 static struct gpio_led_platform_data gpio_leds_data = {
310 .leds = gpio_leds,
311 .num_leds = ARRAY_SIZE(gpio_leds),
312 };
313
314 static struct platform_device gpio_leds_device = {
315 .name = "leds-gpio",
316 .id = 0,
317 .dev = {
318 .platform_data = &gpio_leds_data,
319 },
320 };
321
322 /* HTC PLD chips */
323
324 static struct resource htcpld_resources[] = {
325 [0] = {
326 .flags = IORESOURCE_IRQ,
327 },
328 };
329
330 static struct htcpld_chip_platform_data htcpld_chips[] = {
331 [0] = {
332 .addr = 0x03,
333 .reset = 0x04,
334 .num_gpios = 8,
335 .gpio_out_base = HTCPLD_BASE(0, 0),
336 .gpio_in_base = HTCPLD_BASE(4, 0),
337 },
338 [1] = {
339 .addr = 0x04,
340 .reset = 0x8e,
341 .num_gpios = 8,
342 .gpio_out_base = HTCPLD_BASE(1, 0),
343 .gpio_in_base = HTCPLD_BASE(5, 0),
344 },
345 [2] = {
346 .addr = 0x05,
347 .reset = 0x80,
348 .num_gpios = 8,
349 .gpio_out_base = HTCPLD_BASE(2, 0),
350 .gpio_in_base = HTCPLD_BASE(6, 0),
351 .irq_base = HTCPLD_IRQ(0, 0),
352 .num_irqs = 8,
353 },
354 [3] = {
355 .addr = 0x06,
356 .reset = 0x40,
357 .num_gpios = 8,
358 .gpio_out_base = HTCPLD_BASE(3, 0),
359 .gpio_in_base = HTCPLD_BASE(7, 0),
360 .irq_base = HTCPLD_IRQ(1, 0),
361 .num_irqs = 8,
362 },
363 };
364
365 static struct htcpld_core_platform_data htcpld_pfdata = {
366 .int_reset_gpio_hi = HTCPLD_GPIO_INT_RESET_HI,
367 .int_reset_gpio_lo = HTCPLD_GPIO_INT_RESET_LO,
368 .i2c_adapter_id = 1,
369
370 .chip = htcpld_chips,
371 .num_chip = ARRAY_SIZE(htcpld_chips),
372 };
373
374 static struct platform_device htcpld_device = {
375 .name = "i2c-htcpld",
376 .id = -1,
377 .resource = htcpld_resources,
378 .num_resources = ARRAY_SIZE(htcpld_resources),
379 .dev = {
380 .platform_data = &htcpld_pfdata,
381 },
382 };
383
384 /* USB Device */
385 static struct omap_usb_config htcherald_usb_config __initdata = {
386 .otg = 0,
387 .register_host = 0,
388 .register_dev = 1,
389 .hmc_mode = 4,
390 .pins[0] = 2,
391 };
392
393 /* LCD Device resources */
394 static struct omap_lcd_config htcherald_lcd_config __initdata = {
395 .ctrl_name = "internal",
396 };
397
398 static struct platform_device lcd_device = {
399 .name = "lcd_htcherald",
400 .id = -1,
401 };
402
403 /* MMC Card */
404 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
405 static struct omap_mmc_platform_data htc_mmc1_data = {
406 .nr_slots = 1,
407 .switch_slot = NULL,
408 .slots[0] = {
409 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
410 .name = "mmcblk",
411 .nomux = 1,
412 .wires = 4,
413 .switch_pin = -1,
414 },
415 };
416
417 static struct omap_mmc_platform_data *htc_mmc_data[1];
418 #endif
419
420
421 /* Platform devices for the Herald */
422 static struct platform_device *devices[] __initdata = {
423 &kp_device,
424 &lcd_device,
425 &htcpld_device,
426 &gpio_leds_device,
427 &herald_gpiokeys_device,
428 };
429
430 /*
431 * Touchscreen
432 */
433 static const struct ads7846_platform_data htcherald_ts_platform_data = {
434 .model = 7846,
435 .keep_vref_on = 1,
436 .x_plate_ohms = 496,
437 .gpio_pendown = HTCHERALD_GPIO_TS,
438 .pressure_max = 10000,
439 .pressure_min = 5000,
440 .x_min = 528,
441 .x_max = 3760,
442 .y_min = 624,
443 .y_max = 3760,
444 };
445
446 static struct spi_board_info __initdata htcherald_spi_board_info[] = {
447 {
448 .modalias = "ads7846",
449 .platform_data = &htcherald_ts_platform_data,
450 .max_speed_hz = 2500000,
451 .bus_num = 2,
452 .chip_select = 1,
453 }
454 };
455
456 /*
457 * Init functions from here on
458 */
459
460 static void __init htcherald_lcd_init(void)
461 {
462 u32 reg;
463 unsigned int tries = 200;
464
465 /* disable controller if active */
466 reg = omap_readl(OMAP_LCDC_CONTROL);
467 if (reg & OMAP_LCDC_CTRL_LCD_EN) {
468 reg &= ~OMAP_LCDC_CTRL_LCD_EN;
469 omap_writel(reg, OMAP_LCDC_CONTROL);
470
471 /* wait for end of frame */
472 while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE)) {
473 tries--;
474 if (!tries)
475 break;
476 }
477 if (!tries)
478 pr_err("Timeout waiting for end of frame -- LCD may not be available\n");
479
480 /* turn off DMA */
481 reg = omap_readw(OMAP_DMA_LCD_CCR);
482 reg &= ~(1 << 7);
483 omap_writew(reg, OMAP_DMA_LCD_CCR);
484
485 reg = omap_readw(OMAP_DMA_LCD_CTRL);
486 reg &= ~(1 << 8);
487 omap_writew(reg, OMAP_DMA_LCD_CTRL);
488 }
489 }
490
491 static void __init htcherald_map_io(void)
492 {
493 omap7xx_map_io();
494
495 /*
496 * The LCD panel must be disabled and DMA turned off here, as doing
497 * it later causes the LCD never to reinitialize.
498 */
499 htcherald_lcd_init();
500
501 printk(KERN_INFO "htcherald_map_io done.\n");
502 }
503
504 static void __init htcherald_disable_watchdog(void)
505 {
506 /* Disable watchdog if running */
507 if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) {
508 /*
509 * disable a potentially running watchdog timer before
510 * it kills us.
511 */
512 printk(KERN_WARNING "OMAP850 Watchdog seems to be activated, disabling it for now.\n");
513 omap_writel(0xF5, OMAP_WDT_TIMER_MODE);
514 omap_writel(0xA0, OMAP_WDT_TIMER_MODE);
515 }
516 }
517
518 #define HTCHERALD_GPIO_USB_EN1 33
519 #define HTCHERALD_GPIO_USB_EN2 73
520 #define HTCHERALD_GPIO_USB_DM 35
521 #define HTCHERALD_GPIO_USB_DP 36
522
523 static void __init htcherald_usb_enable(void)
524 {
525 unsigned int tries = 20;
526 unsigned int value = 0;
527
528 /* Request the GPIOs we need to control here */
529 if (gpio_request(HTCHERALD_GPIO_USB_EN1, "herald_usb") < 0)
530 goto err1;
531
532 if (gpio_request(HTCHERALD_GPIO_USB_EN2, "herald_usb") < 0)
533 goto err2;
534
535 if (gpio_request(HTCHERALD_GPIO_USB_DM, "herald_usb") < 0)
536 goto err3;
537
538 if (gpio_request(HTCHERALD_GPIO_USB_DP, "herald_usb") < 0)
539 goto err4;
540
541 /* force USB_EN GPIO to 0 */
542 do {
543 /* output low */
544 gpio_direction_output(HTCHERALD_GPIO_USB_EN1, 0);
545 } while ((value = gpio_get_value(HTCHERALD_GPIO_USB_EN1)) == 1 &&
546 --tries);
547
548 if (value == 1)
549 printk(KERN_WARNING "Unable to reset USB, trying to continue\n");
550
551 gpio_direction_output(HTCHERALD_GPIO_USB_EN2, 0); /* output low */
552 gpio_direction_input(HTCHERALD_GPIO_USB_DM); /* input */
553 gpio_direction_input(HTCHERALD_GPIO_USB_DP); /* input */
554
555 goto done;
556
557 err4:
558 gpio_free(HTCHERALD_GPIO_USB_DM);
559 err3:
560 gpio_free(HTCHERALD_GPIO_USB_EN2);
561 err2:
562 gpio_free(HTCHERALD_GPIO_USB_EN1);
563 err1:
564 printk(KERN_ERR "Unabled to request GPIO for USB\n");
565 done:
566 printk(KERN_INFO "USB setup complete.\n");
567 }
568
569 static void __init htcherald_init(void)
570 {
571 printk(KERN_INFO "HTC Herald init.\n");
572
573 /* Do board initialization before we register all the devices */
574 htcpld_resources[0].start = gpio_to_irq(HTCHERALD_GIRQ_BTNS);
575 htcpld_resources[0].end = gpio_to_irq(HTCHERALD_GIRQ_BTNS);
576 platform_add_devices(devices, ARRAY_SIZE(devices));
577
578 htcherald_disable_watchdog();
579
580 htcherald_usb_enable();
581 omap1_usb_init(&htcherald_usb_config);
582
583 htcherald_spi_board_info[0].irq = gpio_to_irq(HTCHERALD_GPIO_TS);
584 spi_register_board_info(htcherald_spi_board_info,
585 ARRAY_SIZE(htcherald_spi_board_info));
586
587 omap_register_i2c_bus(1, 100, NULL, 0);
588
589 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
590 htc_mmc_data[0] = &htc_mmc1_data;
591 omap1_init_mmc(htc_mmc_data, 1);
592 #endif
593
594 omapfb_set_lcd_config(&htcherald_lcd_config);
595 }
596
597 MACHINE_START(HERALD, "HTC Herald")
598 /* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */
599 /* Maintainer: wing-linux.sourceforge.net */
600 .atag_offset = 0x100,
601 .map_io = htcherald_map_io,
602 .init_early = omap1_init_early,
603 .init_irq = omap1_init_irq,
604 .handle_irq = omap1_handle_irq,
605 .init_machine = htcherald_init,
606 .init_late = omap1_init_late,
607 .init_time = omap1_timer_init,
608 .restart = omap1_restart,
609 MACHINE_END
Linux with added FPC-III support