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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/mioa701.c

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  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 
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  */
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 
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 
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 
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  */
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 
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 
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 
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 
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 
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 
528 static int is_ac_connected(void)
529 {
530         return gpio_get_value(GPIO96_AC_DETECT);
531 }
532 
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 
699 static void mioa701_poweroff(void)
700 {
701         mioa701_machine_exit();
702         pxa_restart(REBOOT_SOFT, NULL);
703 }
704 
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 
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 
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 

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