1 /*
2 * Handles the Mitac Mio A701 Board
3 *
4 * Copyright (C) 2008 Robert Jarzmik
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/syscore_ops.h>
26 #include <linux/input.h>
27 #include <linux/delay.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/rtc.h>
31 #include <linux/leds.h>
32 #include <linux/gpio.h>
33 #include <linux/interrupt.h>
34 #include <linux/irq.h>
35 #include <linux/pda_power.h>
36 #include <linux/power_supply.h>
37 #include <linux/wm97xx.h>
38 #include <linux/mtd/physmap.h>
39 #include <linux/usb/gpio_vbus.h>
40 #include <linux/reboot.h>
41 #include <linux/regulator/fixed.h>
42 #include <linux/regulator/max1586.h>
43 #include <linux/slab.h>
44 #include <linux/i2c/pxa-i2c.h>
45
46 #include <asm/mach-types.h>
47 #include <asm/mach/arch.h>
48
49 #include <mach/pxa27x.h>
50 #include <mach/regs-rtc.h>
51 #include <linux/platform_data/keypad-pxa27x.h>
52 #include <linux/platform_data/video-pxafb.h>
53 #include <linux/platform_data/mmc-pxamci.h>
54 #include <mach/udc.h>
55 #include <mach/pxa27x-udc.h>
56 #include <linux/platform_data/camera-pxa.h>
57 #include <mach/audio.h>
58 #include <mach/smemc.h>
59 #include <media/soc_camera.h>
60
61 #include <mach/mioa701.h>
62
63 #include "generic.h"
64 #include "devices.h"
65
66 static unsigned long mioa701_pin_config[] = {
67 /* Mio global */
68 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
69 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
70 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
71 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
72 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
73
74 /* Backlight PWM 0 */
75 GPIO16_PWM0_OUT,
76
77 /* MMC */
78 GPIO32_MMC_CLK,
79 GPIO92_MMC_DAT_0,
80 GPIO109_MMC_DAT_1,
81 GPIO110_MMC_DAT_2,
82 GPIO111_MMC_DAT_3,
83 GPIO112_MMC_CMD,
84 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
85 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
86 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
87
88 /* USB */
89 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
90 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
91
92 /* LCD */
93 GPIOxx_LCD_TFT_16BPP,
94
95 /* QCI */
96 GPIO12_CIF_DD_7,
97 GPIO17_CIF_DD_6,
98 GPIO50_CIF_DD_3,
99 GPIO51_CIF_DD_2,
100 GPIO52_CIF_DD_4,
101 GPIO53_CIF_MCLK,
102 GPIO54_CIF_PCLK,
103 GPIO55_CIF_DD_1,
104 GPIO81_CIF_DD_0,
105 GPIO82_CIF_DD_5,
106 GPIO84_CIF_FV,
107 GPIO85_CIF_LV,
108 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
109
110 /* Bluetooth */
111 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
112 GPIO44_BTUART_CTS,
113 GPIO42_BTUART_RXD,
114 GPIO45_BTUART_RTS,
115 GPIO43_BTUART_TXD,
116 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
117 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
118 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
119
120 /* GPS */
121 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
124 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
125 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
126 GPIO46_STUART_RXD,
127 GPIO47_STUART_TXD,
128
129 /* GSM */
130 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
131 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
132 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
133 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
134 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
135 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
136 GPIO34_FFUART_RXD,
137 GPIO35_FFUART_CTS,
138 GPIO36_FFUART_DCD,
139 GPIO37_FFUART_DSR,
140 GPIO39_FFUART_TXD,
141 GPIO40_FFUART_DTR,
142 GPIO41_FFUART_RTS,
143
144 /* Sound */
145 GPIO28_AC97_BITCLK,
146 GPIO29_AC97_SDATA_IN_0,
147 GPIO30_AC97_SDATA_OUT,
148 GPIO31_AC97_SYNC,
149 GPIO89_AC97_SYSCLK,
150 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
151
152 /* Leds */
153 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
156 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
157 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
158
159 /* Keyboard */
160 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
161 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
162 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
163 GPIO100_KP_MKIN_0,
164 GPIO101_KP_MKIN_1,
165 GPIO102_KP_MKIN_2,
166 GPIO103_KP_MKOUT_0,
167 GPIO104_KP_MKOUT_1,
168 GPIO105_KP_MKOUT_2,
169
170 /* I2C */
171 GPIO117_I2C_SCL,
172 GPIO118_I2C_SDA,
173
174 /* Unknown */
175 MFP_CFG_IN(GPIO20, AF0),
176 MFP_CFG_IN(GPIO21, AF0),
177 MFP_CFG_IN(GPIO33, AF0),
178 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
179 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
180 MFP_CFG_IN(GPIO96, AF0),
181 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
182 };
183
184 /* LCD Screen and Backlight */
185 static struct platform_pwm_backlight_data mioa701_backlight_data = {
186 .pwm_id = 0,
187 .max_brightness = 100,
188 .dft_brightness = 50,
189 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
190 .enable_gpio = -1,
191 };
192
193 /*
194 * LTM0305A776C LCD panel timings
195 *
196 * see:
197 * - the LTM0305A776C datasheet,
198 * - and the PXA27x Programmers' manual
199 */
200 static struct pxafb_mode_info mioa701_ltm0305a776c = {
201 .pixclock = 220000, /* CLK=4.545 MHz */
202 .xres = 240,
203 .yres = 320,
204 .bpp = 16,
205 .hsync_len = 4,
206 .vsync_len = 2,
207 .left_margin = 6,
208 .right_margin = 4,
209 .upper_margin = 5,
210 .lower_margin = 3,
211 };
212
mioa701_lcd_power(int on,struct fb_var_screeninfo * si)213 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
214 {
215 gpio_set_value(GPIO87_LCD_POWER, on);
216 }
217
218 static struct pxafb_mach_info mioa701_pxafb_info = {
219 .modes = &mioa701_ltm0305a776c,
220 .num_modes = 1,
221 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
222 .pxafb_lcd_power = mioa701_lcd_power,
223 };
224
225 /*
226 * Keyboard configuration
227 */
228 static const unsigned int mioa701_matrix_keys[] = {
229 KEY(0, 0, KEY_UP),
230 KEY(0, 1, KEY_RIGHT),
231 KEY(0, 2, KEY_MEDIA),
232 KEY(1, 0, KEY_DOWN),
233 KEY(1, 1, KEY_ENTER),
234 KEY(1, 2, KEY_CONNECT), /* GPS key */
235 KEY(2, 0, KEY_LEFT),
236 KEY(2, 1, KEY_PHONE), /* Phone Green key */
237 KEY(2, 2, KEY_CAMERA) /* Camera key */
238 };
239
240 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
241 .keymap = mioa701_matrix_keys,
242 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
243 };
244
245 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
246 .matrix_key_rows = 3,
247 .matrix_key_cols = 3,
248 .matrix_keymap_data = &mioa701_matrix_keymap_data,
249 };
250
251 /*
252 * GPIO Key Configuration
253 */
254 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
255 { .code = (key), .gpio = (_gpio), .active_low = 0, \
256 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
257 static struct gpio_keys_button mioa701_button_table[] = {
258 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
259 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
260 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
261 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
262 };
263
264 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
265 .buttons = mioa701_button_table,
266 .nbuttons = ARRAY_SIZE(mioa701_button_table),
267 };
268
269 /*
270 * Leds and vibrator
271 */
272 #define ONE_LED(_gpio, _name) \
273 { .gpio = (_gpio), .name = (_name), .active_low = true }
274 static struct gpio_led gpio_leds[] = {
275 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
276 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
277 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
278 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
279 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
280 };
281
282 static struct gpio_led_platform_data gpio_led_info = {
283 .leds = gpio_leds,
284 .num_leds = ARRAY_SIZE(gpio_leds),
285 };
286
287 /*
288 * GSM Sagem XS200 chip
289 *
290 * GSM handling was purged from kernel. For history, this is the way to go :
291 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
292 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
293 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
294 * GPIO24_GSM_MOD_RESET_CMD = 0
295 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
296 * GPIO88_GSM_nMOD_ON_CMD = 1
297 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
298 * GPIO90_GSM_nMOD_OFF_CMD = 1
299 */
is_gsm_on(void)300 static int is_gsm_on(void)
301 {
302 int is_on;
303
304 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
305 return is_on;
306 }
307
gsm_on_irq(int irq,void * p)308 irqreturn_t gsm_on_irq(int irq, void *p)
309 {
310 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
311 is_gsm_on() ? "on" : "off");
312 return IRQ_HANDLED;
313 }
314
315 static struct gpio gsm_gpios[] = {
316 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
317 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
318 };
319
gsm_init(void)320 static int __init gsm_init(void)
321 {
322 int rc;
323
324 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
325 if (rc)
326 goto err_gpio;
327 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
328 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
329 "GSM XS200 Power Irq", NULL);
330 if (rc)
331 goto err_irq;
332
333 gpio_set_wake(GPIO113_GSM_EVENT, 1);
334 return 0;
335
336 err_irq:
337 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
338 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
339 err_gpio:
340 printk(KERN_ERR "Mioa701: gsm not available\n");
341 return rc;
342 }
343
gsm_exit(void)344 static void gsm_exit(void)
345 {
346 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
347 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
348 }
349
350 /*
351 * Bluetooth BRF6150 chip
352 *
353 * BT handling was purged from kernel. For history, this is the way to go :
354 * - turn on : GPIO83_BT_ON = 1
355 * - turn off : GPIO83_BT_ON = 0
356 */
357
358 /*
359 * GPS Sirf Star III chip
360 *
361 * GPS handling was purged from kernel. For history, this is the way to go :
362 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
363 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
364 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
365 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
366 */
367
368 /*
369 * USB UDC
370 */
is_usb_connected(void)371 static int is_usb_connected(void)
372 {
373 return !gpio_get_value(GPIO13_nUSB_DETECT);
374 }
375
376 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
377 .udc_is_connected = is_usb_connected,
378 .gpio_pullup = GPIO22_USB_ENABLE,
379 };
380
381 struct gpio_vbus_mach_info gpio_vbus_data = {
382 .gpio_vbus = GPIO13_nUSB_DETECT,
383 .gpio_vbus_inverted = 1,
384 .gpio_pullup = -1,
385 };
386
387 /*
388 * SDIO/MMC Card controller
389 */
390 /**
391 * The card detect interrupt isn't debounced so we delay it by 250ms
392 * to give the card a chance to fully insert/eject.
393 */
394 static struct pxamci_platform_data mioa701_mci_info = {
395 .detect_delay_ms = 250,
396 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
397 .gpio_card_detect = GPIO15_SDIO_INSERT,
398 .gpio_card_ro = GPIO78_SDIO_RO,
399 .gpio_power = GPIO91_SDIO_EN,
400 };
401
402 /* FlashRAM */
403 static struct resource docg3_resource = {
404 .start = PXA_CS0_PHYS,
405 .end = PXA_CS0_PHYS + SZ_8K - 1,
406 .flags = IORESOURCE_MEM,
407 };
408
409 static struct platform_device docg3 = {
410 .name = "docg3",
411 .id = -1,
412 .resource = &docg3_resource,
413 .num_resources = 1,
414 .dev = {
415 .platform_data = NULL,
416 },
417 };
418
419 /*
420 * Suspend/Resume bootstrap management
421 *
422 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
423 * this sequence is as follows :
424 * - disables interrupts
425 * - initialize SDRAM (self refresh RAM into active RAM)
426 * - initialize GPIOs (depends on value at 0xa020b020)
427 * - initialize coprossessors
428 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
429 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
430 * - else do a resume, ie. jump to addr 0xa0100000
431 */
432 #define RESUME_ENABLE_ADDR 0xa020b000
433 #define RESUME_ENABLE_VAL 0x0f0f0f0f
434 #define RESUME_BT_ADDR 0xa020b020
435 #define RESUME_UNKNOWN_ADDR 0xa020b024
436 #define RESUME_VECTOR_ADDR 0xa0100000
437 #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
438
439 static u32 *save_buffer;
440
install_bootstrap(void)441 static void install_bootstrap(void)
442 {
443 int i;
444 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
445 u32 *src = &mioa701_bootstrap;
446
447 for (i = 0; i < BOOTSTRAP_WORDS; i++)
448 rom_bootstrap[i] = src[i];
449 }
450
451
mioa701_sys_suspend(void)452 static int mioa701_sys_suspend(void)
453 {
454 int i = 0, is_bt_on;
455 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
456 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
457 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
458 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
459
460 /* Devices prepare suspend */
461 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
462 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
463 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
464
465 for (i = 0; i < BOOTSTRAP_WORDS; i++)
466 save_buffer[i] = mem_resume_vector[i];
467 save_buffer[i++] = *mem_resume_enabler;
468 save_buffer[i++] = *mem_resume_bt;
469 save_buffer[i++] = *mem_resume_unknown;
470
471 *mem_resume_enabler = RESUME_ENABLE_VAL;
472 *mem_resume_bt = is_bt_on;
473
474 install_bootstrap();
475 return 0;
476 }
477
mioa701_sys_resume(void)478 static void mioa701_sys_resume(void)
479 {
480 int i = 0;
481 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
482 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
483 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
484 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
485
486 for (i = 0; i < BOOTSTRAP_WORDS; i++)
487 mem_resume_vector[i] = save_buffer[i];
488 *mem_resume_enabler = save_buffer[i++];
489 *mem_resume_bt = save_buffer[i++];
490 *mem_resume_unknown = save_buffer[i++];
491 }
492
493 static struct syscore_ops mioa701_syscore_ops = {
494 .suspend = mioa701_sys_suspend,
495 .resume = mioa701_sys_resume,
496 };
497
bootstrap_init(void)498 static int __init bootstrap_init(void)
499 {
500 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
501
502 register_syscore_ops(&mioa701_syscore_ops);
503
504 save_buffer = kmalloc(save_size, GFP_KERNEL);
505 if (!save_buffer)
506 return -ENOMEM;
507 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
508 save_size);
509 return 0;
510 }
511
bootstrap_exit(void)512 static void bootstrap_exit(void)
513 {
514 kfree(save_buffer);
515 unregister_syscore_ops(&mioa701_syscore_ops);
516
517 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
518 "resume !!!\n");
519 }
520
521 /*
522 * Power Supply
523 */
524 static char *supplicants[] = {
525 "mioa701_battery"
526 };
527
is_ac_connected(void)528 static int is_ac_connected(void)
529 {
530 return gpio_get_value(GPIO96_AC_DETECT);
531 }
532
mioa701_set_charge(int flags)533 static void mioa701_set_charge(int flags)
534 {
535 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
536 }
537
538 static struct pda_power_pdata power_pdata = {
539 .is_ac_online = is_ac_connected,
540 .is_usb_online = is_usb_connected,
541 .set_charge = mioa701_set_charge,
542 .supplied_to = supplicants,
543 .num_supplicants = ARRAY_SIZE(supplicants),
544 };
545
546 static struct resource power_resources[] = {
547 [0] = {
548 .name = "ac",
549 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
550 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
551 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
552 IORESOURCE_IRQ_LOWEDGE,
553 },
554 [1] = {
555 .name = "usb",
556 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
557 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
558 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
559 IORESOURCE_IRQ_LOWEDGE,
560 },
561 };
562
563 static struct platform_device power_dev = {
564 .name = "pda-power",
565 .id = -1,
566 .resource = power_resources,
567 .num_resources = ARRAY_SIZE(power_resources),
568 .dev = {
569 .platform_data = &power_pdata,
570 },
571 };
572
573 static struct wm97xx_batt_pdata mioa701_battery_data = {
574 .batt_aux = WM97XX_AUX_ID1,
575 .temp_aux = -1,
576 .charge_gpio = -1,
577 .min_voltage = 0xc00,
578 .max_voltage = 0xfc0,
579 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
580 .batt_div = 1,
581 .batt_mult = 1,
582 .batt_name = "mioa701_battery",
583 };
584
585 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
586 .batt_pdata = &mioa701_battery_data,
587 };
588
589 /*
590 * Voltage regulation
591 */
592 static struct regulator_consumer_supply max1586_consumers[] = {
593 REGULATOR_SUPPLY("vcc_core", NULL),
594 };
595
596 static struct regulator_init_data max1586_v3_info = {
597 .constraints = {
598 .name = "vcc_core range",
599 .min_uV = 1000000,
600 .max_uV = 1705000,
601 .always_on = 1,
602 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
603 },
604 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
605 .consumer_supplies = max1586_consumers,
606 };
607
608 static struct max1586_subdev_data max1586_subdevs[] = {
609 { .name = "vcc_core", .id = MAX1586_V3,
610 .platform_data = &max1586_v3_info },
611 };
612
613 static struct max1586_platform_data max1586_info = {
614 .subdevs = max1586_subdevs,
615 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
616 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
617 };
618
619 /*
620 * Camera interface
621 */
622 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
623 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
624 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
625 .mclk_10khz = 5000,
626 };
627
628 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
629 {
630 I2C_BOARD_INFO("max1586", 0x14),
631 .platform_data = &max1586_info,
632 },
633 };
634
635 /* Board I2C devices. */
636 static struct i2c_board_info mioa701_i2c_devices[] = {
637 {
638 I2C_BOARD_INFO("mt9m111", 0x5d),
639 },
640 };
641
642 static struct soc_camera_link iclink = {
643 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
644 .board_info = &mioa701_i2c_devices[0],
645 .i2c_adapter_id = 0,
646 };
647
648 struct i2c_pxa_platform_data i2c_pdata = {
649 .fast_mode = 1,
650 };
651
652 static pxa2xx_audio_ops_t mioa701_ac97_info = {
653 .reset_gpio = 95,
654 .codec_pdata = { &mioa701_wm97xx_pdata, },
655 };
656
657 /*
658 * Mio global
659 */
660
661 /* Devices */
662 #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
663 static struct platform_device var = { \
664 .name = strname, \
665 .id = -1, \
666 .dev = { \
667 .platform_data = pdata, \
668 .parent = tparent, \
669 }, \
670 };
671 #define MIO_SIMPLE_DEV(var, strname, pdata) \
672 MIO_PARENT_DEV(var, strname, NULL, pdata)
673
674 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
675 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
676 &mioa701_backlight_data);
677 MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
678 MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
679 MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
680 MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
681 MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
682 MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
683
684 static struct platform_device *devices[] __initdata = {
685 &mioa701_gpio_keys,
686 &mioa701_backlight,
687 &mioa701_led,
688 &pxa2xx_pcm,
689 &mioa701_sound,
690 &power_dev,
691 &docg3,
692 &gpio_vbus,
693 &mioa701_camera,
694 &mioa701_board,
695 };
696
697 static void mioa701_machine_exit(void);
698
mioa701_poweroff(void)699 static void mioa701_poweroff(void)
700 {
701 mioa701_machine_exit();
702 pxa_restart(REBOOT_SOFT, NULL);
703 }
704
mioa701_restart(enum reboot_mode c,const char * cmd)705 static void mioa701_restart(enum reboot_mode c, const char *cmd)
706 {
707 mioa701_machine_exit();
708 pxa_restart(REBOOT_SOFT, cmd);
709 }
710
711 static struct gpio global_gpios[] = {
712 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
713 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
714 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
715 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
716 };
717
718 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
719 REGULATOR_SUPPLY("power", "pwm-backlight"),
720 };
721
mioa701_machine_init(void)722 static void __init mioa701_machine_init(void)
723 {
724 int rc;
725
726 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
727 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
728 RTTR = 32768 - 1; /* Reset crazy WinCE value */
729 UP2OCR = UP2OCR_HXOE;
730
731 /*
732 * Set up the flash memory : DiskOnChip G3 on first static memory bank
733 */
734 __raw_writel(0x7ff02dd8, MSC0);
735 __raw_writel(0x0001c391, MCMEM0);
736 __raw_writel(0x0001c391, MCATT0);
737 __raw_writel(0x0001c391, MCIO0);
738
739
740 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
741 pxa_set_ffuart_info(NULL);
742 pxa_set_btuart_info(NULL);
743 pxa_set_stuart_info(NULL);
744 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
745 if (rc)
746 pr_err("MioA701: Failed to request GPIOs: %d", rc);
747 bootstrap_init();
748 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
749 pxa_set_mci_info(&mioa701_mci_info);
750 pxa_set_keypad_info(&mioa701_keypad_info);
751 pxa_set_udc_info(&mioa701_udc_info);
752 pxa_set_ac97_info(&mioa701_ac97_info);
753 pm_power_off = mioa701_poweroff;
754 platform_add_devices(devices, ARRAY_SIZE(devices));
755 gsm_init();
756
757 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
758 pxa_set_i2c_info(&i2c_pdata);
759 pxa27x_set_i2c_power_info(NULL);
760 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
761
762 regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
763 ARRAY_SIZE(fixed_5v0_consumers),
764 5000000);
765 }
766
mioa701_machine_exit(void)767 static void mioa701_machine_exit(void)
768 {
769 bootstrap_exit();
770 gsm_exit();
771 }
772
773 MACHINE_START(MIOA701, "MIO A701")
774 .atag_offset = 0x100,
775 .map_io = &pxa27x_map_io,
776 .nr_irqs = PXA_NR_IRQS,
777 .init_irq = &pxa27x_init_irq,
778 .handle_irq = &pxa27x_handle_irq,
779 .init_machine = mioa701_machine_init,
780 .init_time = pxa_timer_init,
781 .restart = mioa701_restart,
782 MACHINE_END
783