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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.h>
 30 #include <linux/pwm_backlight.h>
 31 #include <linux/rtc.h>
 32 #include <linux/leds.h>
 33 #include <linux/gpio.h>
 34 #include <linux/interrupt.h>
 35 #include <linux/irq.h>
 36 #include <linux/pda_power.h>
 37 #include <linux/power_supply.h>
 38 #include <linux/wm97xx.h>
 39 #include <linux/mtd/physmap.h>
 40 #include <linux/usb/gpio_vbus.h>
 41 #include <linux/reboot.h>
 42 #include <linux/regulator/fixed.h>
 43 #include <linux/regulator/max1586.h>
 44 #include <linux/slab.h>
 45 #include <linux/platform_data/i2c-pxa.h>
 46 
 47 #include <asm/mach-types.h>
 48 #include <asm/mach/arch.h>
 49 
 50 #include "pxa27x.h"
 51 #include "regs-rtc.h"
 52 #include <linux/platform_data/keypad-pxa27x.h>
 53 #include <linux/platform_data/video-pxafb.h>
 54 #include <linux/platform_data/mmc-pxamci.h>
 55 #include "udc.h"
 56 #include "pxa27x-udc.h"
 57 #include <linux/platform_data/media/camera-pxa.h>
 58 #include <mach/audio.h>
 59 #include <mach/smemc.h>
 60 
 61 #include "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 static struct pwm_lookup mioa701_pwm_lookup[] = {
185         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
186                    PWM_POLARITY_NORMAL),
187 };
188 
189 /* LCD Screen and Backlight */
190 static struct platform_pwm_backlight_data mioa701_backlight_data = {
191         .max_brightness = 100,
192         .dft_brightness = 50,
193         .enable_gpio    = -1,
194 };
195 
196 /*
197  * LTM0305A776C LCD panel timings
198  *
199  * see:
200  *  - the LTM0305A776C datasheet,
201  *  - and the PXA27x Programmers' manual
202  */
203 static struct pxafb_mode_info mioa701_ltm0305a776c = {
204         .pixclock               = 220000,       /* CLK=4.545 MHz */
205         .xres                   = 240,
206         .yres                   = 320,
207         .bpp                    = 16,
208         .hsync_len              = 4,
209         .vsync_len              = 2,
210         .left_margin            = 6,
211         .right_margin           = 4,
212         .upper_margin           = 5,
213         .lower_margin           = 3,
214 };
215 
216 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
217 {
218         gpio_set_value(GPIO87_LCD_POWER, on);
219 }
220 
221 static struct pxafb_mach_info mioa701_pxafb_info = {
222         .modes                  = &mioa701_ltm0305a776c,
223         .num_modes              = 1,
224         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
225         .pxafb_lcd_power        = mioa701_lcd_power,
226 };
227 
228 /*
229  * Keyboard configuration
230  */
231 static const unsigned int mioa701_matrix_keys[] = {
232         KEY(0, 0, KEY_UP),
233         KEY(0, 1, KEY_RIGHT),
234         KEY(0, 2, KEY_MEDIA),
235         KEY(1, 0, KEY_DOWN),
236         KEY(1, 1, KEY_ENTER),
237         KEY(1, 2, KEY_CONNECT), /* GPS key */
238         KEY(2, 0, KEY_LEFT),
239         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
240         KEY(2, 2, KEY_CAMERA)   /* Camera key */
241 };
242 
243 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
244         .keymap                 = mioa701_matrix_keys,
245         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
246 };
247 
248 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
249         .matrix_key_rows = 3,
250         .matrix_key_cols = 3,
251         .matrix_keymap_data = &mioa701_matrix_keymap_data,
252 };
253 
254 /*
255  * GPIO Key Configuration
256  */
257 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
258         { .code = (key), .gpio = (_gpio), .active_low = 0, \
259         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
260 static struct gpio_keys_button mioa701_button_table[] = {
261         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
262         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
263         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
264         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
265 };
266 
267 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
268         .buttons  = mioa701_button_table,
269         .nbuttons = ARRAY_SIZE(mioa701_button_table),
270 };
271 
272 /*
273  * Leds and vibrator
274  */
275 #define ONE_LED(_gpio, _name) \
276 { .gpio = (_gpio), .name = (_name), .active_low = true }
277 static struct gpio_led gpio_leds[] = {
278         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
279         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
280         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
281         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
282         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
283 };
284 
285 static struct gpio_led_platform_data gpio_led_info = {
286         .leds = gpio_leds,
287         .num_leds = ARRAY_SIZE(gpio_leds),
288 };
289 
290 /*
291  * GSM Sagem XS200 chip
292  *
293  * GSM handling was purged from kernel. For history, this is the way to go :
294  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
295  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
296  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
297  *             GPIO24_GSM_MOD_RESET_CMD = 0
298  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
299  *                GPIO88_GSM_nMOD_ON_CMD = 1
300  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
301  *                GPIO90_GSM_nMOD_OFF_CMD = 1
302  */
303 static int is_gsm_on(void)
304 {
305         int is_on;
306 
307         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
308         return is_on;
309 }
310 
311 irqreturn_t gsm_on_irq(int irq, void *p)
312 {
313         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
314                is_gsm_on() ? "on" : "off");
315         return IRQ_HANDLED;
316 }
317 
318 static struct gpio gsm_gpios[] = {
319         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
320         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
321 };
322 
323 static int __init gsm_init(void)
324 {
325         int rc;
326 
327         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
328         if (rc)
329                 goto err_gpio;
330         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
331                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
332                          "GSM XS200 Power Irq", NULL);
333         if (rc)
334                 goto err_irq;
335 
336         gpio_set_wake(GPIO113_GSM_EVENT, 1);
337         return 0;
338 
339 err_irq:
340         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
341         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
342 err_gpio:
343         printk(KERN_ERR "Mioa701: gsm not available\n");
344         return rc;
345 }
346 
347 static void gsm_exit(void)
348 {
349         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
350         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
351 }
352 
353 /*
354  * Bluetooth BRF6150 chip
355  *
356  * BT handling was purged from kernel. For history, this is the way to go :
357  * - turn on  : GPIO83_BT_ON = 1
358  * - turn off : GPIO83_BT_ON = 0
359  */
360 
361 /*
362  * GPS Sirf Star III chip
363  *
364  * GPS handling was purged from kernel. For history, this is the way to go :
365  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
366  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
367  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
368  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
369  */
370 
371 /*
372  * USB UDC
373  */
374 static int is_usb_connected(void)
375 {
376         return !gpio_get_value(GPIO13_nUSB_DETECT);
377 }
378 
379 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
380         .udc_is_connected = is_usb_connected,
381         .gpio_pullup      = GPIO22_USB_ENABLE,
382 };
383 
384 struct gpio_vbus_mach_info gpio_vbus_data = {
385         .gpio_vbus = GPIO13_nUSB_DETECT,
386         .gpio_vbus_inverted = 1,
387         .gpio_pullup = -1,
388 };
389 
390 /*
391  * SDIO/MMC Card controller
392  */
393 /**
394  * The card detect interrupt isn't debounced so we delay it by 250ms
395  * to give the card a chance to fully insert/eject.
396  */
397 static struct pxamci_platform_data mioa701_mci_info = {
398         .detect_delay_ms        = 250,
399         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
400         .gpio_card_detect       = GPIO15_SDIO_INSERT,
401         .gpio_card_ro           = GPIO78_SDIO_RO,
402         .gpio_power             = GPIO91_SDIO_EN,
403 };
404 
405 /* FlashRAM */
406 static struct resource docg3_resource = {
407         .start = PXA_CS0_PHYS,
408         .end   = PXA_CS0_PHYS + SZ_8K - 1,
409         .flags = IORESOURCE_MEM,
410 };
411 
412 static struct platform_device docg3 = {
413         .name          = "docg3",
414         .id            = -1,
415         .resource      = &docg3_resource,
416         .num_resources = 1,
417         .dev = {
418                 .platform_data = NULL,
419         },
420 };
421 
422 /*
423  * Suspend/Resume bootstrap management
424  *
425  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
426  * this sequence is as follows :
427  *   - disables interrupts
428  *   - initialize SDRAM (self refresh RAM into active RAM)
429  *   - initialize GPIOs (depends on value at 0xa020b020)
430  *   - initialize coprossessors
431  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
432  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
433  *   - else do a resume, ie. jump to addr 0xa0100000
434  */
435 #define RESUME_ENABLE_ADDR      0xa020b000
436 #define RESUME_ENABLE_VAL       0x0f0f0f0f
437 #define RESUME_BT_ADDR          0xa020b020
438 #define RESUME_UNKNOWN_ADDR     0xa020b024
439 #define RESUME_VECTOR_ADDR      0xa0100000
440 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
441 
442 static u32 *save_buffer;
443 
444 static void install_bootstrap(void)
445 {
446         int i;
447         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
448         u32 *src = &mioa701_bootstrap;
449 
450         for (i = 0; i < BOOTSTRAP_WORDS; i++)
451                 rom_bootstrap[i] = src[i];
452 }
453 
454 
455 static int mioa701_sys_suspend(void)
456 {
457         int i = 0, is_bt_on;
458         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
459         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
460         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
461         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
462 
463         /* Devices prepare suspend */
464         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
465         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
466                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
467 
468         for (i = 0; i < BOOTSTRAP_WORDS; i++)
469                 save_buffer[i] = mem_resume_vector[i];
470         save_buffer[i++] = *mem_resume_enabler;
471         save_buffer[i++] = *mem_resume_bt;
472         save_buffer[i++] = *mem_resume_unknown;
473 
474         *mem_resume_enabler = RESUME_ENABLE_VAL;
475         *mem_resume_bt      = is_bt_on;
476 
477         install_bootstrap();
478         return 0;
479 }
480 
481 static void mioa701_sys_resume(void)
482 {
483         int i = 0;
484         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
485         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
486         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
487         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
488 
489         for (i = 0; i < BOOTSTRAP_WORDS; i++)
490                 mem_resume_vector[i] = save_buffer[i];
491         *mem_resume_enabler = save_buffer[i++];
492         *mem_resume_bt      = save_buffer[i++];
493         *mem_resume_unknown = save_buffer[i++];
494 }
495 
496 static struct syscore_ops mioa701_syscore_ops = {
497         .suspend        = mioa701_sys_suspend,
498         .resume         = mioa701_sys_resume,
499 };
500 
501 static int __init bootstrap_init(void)
502 {
503         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
504 
505         register_syscore_ops(&mioa701_syscore_ops);
506 
507         save_buffer = kmalloc(save_size, GFP_KERNEL);
508         if (!save_buffer)
509                 return -ENOMEM;
510         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
511                save_size);
512         return 0;
513 }
514 
515 static void bootstrap_exit(void)
516 {
517         kfree(save_buffer);
518         unregister_syscore_ops(&mioa701_syscore_ops);
519 
520         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
521                "resume !!!\n");
522 }
523 
524 /*
525  * Power Supply
526  */
527 static char *supplicants[] = {
528         "mioa701_battery"
529 };
530 
531 static int is_ac_connected(void)
532 {
533         return gpio_get_value(GPIO96_AC_DETECT);
534 }
535 
536 static void mioa701_set_charge(int flags)
537 {
538         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
539 }
540 
541 static struct pda_power_pdata power_pdata = {
542         .is_ac_online   = is_ac_connected,
543         .is_usb_online  = is_usb_connected,
544         .set_charge = mioa701_set_charge,
545         .supplied_to = supplicants,
546         .num_supplicants = ARRAY_SIZE(supplicants),
547 };
548 
549 static struct resource power_resources[] = {
550         [0] = {
551                 .name   = "ac",
552                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
553                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
554                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
555                 IORESOURCE_IRQ_LOWEDGE,
556         },
557         [1] = {
558                 .name   = "usb",
559                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
560                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
561                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
562                 IORESOURCE_IRQ_LOWEDGE,
563         },
564 };
565 
566 static struct platform_device power_dev = {
567         .name           = "pda-power",
568         .id             = -1,
569         .resource       = power_resources,
570         .num_resources  = ARRAY_SIZE(power_resources),
571         .dev = {
572                 .platform_data  = &power_pdata,
573         },
574 };
575 
576 static struct wm97xx_batt_pdata mioa701_battery_data = {
577         .batt_aux       = WM97XX_AUX_ID1,
578         .temp_aux       = -1,
579         .charge_gpio    = -1,
580         .min_voltage    = 0xc00,
581         .max_voltage    = 0xfc0,
582         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
583         .batt_div       = 1,
584         .batt_mult      = 1,
585         .batt_name      = "mioa701_battery",
586 };
587 
588 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
589         .batt_pdata     = &mioa701_battery_data,
590 };
591 
592 /*
593  * Voltage regulation
594  */
595 static struct regulator_consumer_supply max1586_consumers[] = {
596         REGULATOR_SUPPLY("vcc_core", NULL),
597 };
598 
599 static struct regulator_init_data max1586_v3_info = {
600         .constraints = {
601                 .name = "vcc_core range",
602                 .min_uV = 1000000,
603                 .max_uV = 1705000,
604                 .always_on = 1,
605                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
606         },
607         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
608         .consumer_supplies = max1586_consumers,
609 };
610 
611 static struct max1586_subdev_data max1586_subdevs[] = {
612         { .name = "vcc_core", .id = MAX1586_V3,
613           .platform_data = &max1586_v3_info },
614 };
615 
616 static struct max1586_platform_data max1586_info = {
617         .subdevs = max1586_subdevs,
618         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
619         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
620 };
621 
622 /*
623  * Camera interface
624  */
625 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
626         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
627                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
628         .mclk_10khz = 5000,
629         .sensor_i2c_adapter_id = 0,
630         .sensor_i2c_address = 0x5d,
631 };
632 
633 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
634         {
635                 I2C_BOARD_INFO("max1586", 0x14),
636                 .platform_data = &max1586_info,
637         },
638 };
639 
640 /* Board I2C devices. */
641 static struct i2c_board_info mioa701_i2c_devices[] = {
642         {
643                 I2C_BOARD_INFO("mt9m111", 0x5d),
644         },
645 };
646 
647 struct i2c_pxa_platform_data i2c_pdata = {
648         .fast_mode = 1,
649 };
650 
651 static pxa2xx_audio_ops_t mioa701_ac97_info = {
652         .reset_gpio = 95,
653         .codec_pdata = { &mioa701_wm97xx_pdata, },
654 };
655 
656 /*
657  * Mio global
658  */
659 
660 /* Devices */
661 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
662 static struct platform_device var = {                   \
663         .name           = strname,                      \
664         .id             = -1,                           \
665         .dev            = {                             \
666                 .platform_data = pdata,                 \
667                 .parent = tparent,                      \
668         },                                              \
669 };
670 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
671         MIO_PARENT_DEV(var, strname, NULL, pdata)
672 
673 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
674 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
675                 &mioa701_backlight_data);
676 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
677 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
678 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
679 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
680 MIO_SIMPLE_DEV(wm9713_acodec,     "wm9713-codec",   NULL);
681 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
682 
683 static struct platform_device *devices[] __initdata = {
684         &mioa701_gpio_keys,
685         &mioa701_backlight,
686         &mioa701_led,
687         &wm9713_acodec,
688         &pxa2xx_pcm,
689         &mioa701_sound,
690         &power_dev,
691         &docg3,
692         &gpio_vbus,
693         &mioa701_board,
694 };
695 
696 static void mioa701_machine_exit(void);
697 
698 static void mioa701_poweroff(void)
699 {
700         mioa701_machine_exit();
701         pxa_restart(REBOOT_SOFT, NULL);
702 }
703 
704 static void mioa701_restart(enum reboot_mode c, const char *cmd)
705 {
706         mioa701_machine_exit();
707         pxa_restart(REBOOT_SOFT, cmd);
708 }
709 
710 static struct gpio global_gpios[] = {
711         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
712         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
713         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
714         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
715 };
716 
717 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
718         REGULATOR_SUPPLY("power", "pwm-backlight"),
719 };
720 
721 static void __init mioa701_machine_init(void)
722 {
723         int rc;
724 
725         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
726         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
727         RTTR = 32768 - 1; /* Reset crazy WinCE value */
728         UP2OCR = UP2OCR_HXOE;
729 
730         /*
731          * Set up the flash memory : DiskOnChip G3 on first static memory bank
732          */
733         __raw_writel(0x7ff02dd8, MSC0);
734         __raw_writel(0x0001c391, MCMEM0);
735         __raw_writel(0x0001c391, MCATT0);
736         __raw_writel(0x0001c391, MCIO0);
737 
738 
739         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
740         pxa_set_ffuart_info(NULL);
741         pxa_set_btuart_info(NULL);
742         pxa_set_stuart_info(NULL);
743         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
744         if (rc)
745                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
746         bootstrap_init();
747         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
748         pxa_set_mci_info(&mioa701_mci_info);
749         pxa_set_keypad_info(&mioa701_keypad_info);
750         pxa_set_udc_info(&mioa701_udc_info);
751         pxa_set_ac97_info(&mioa701_ac97_info);
752         pm_power_off = mioa701_poweroff;
753         pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
754         platform_add_devices(devices, ARRAY_SIZE(devices));
755         gsm_init();
756 
757         i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
758         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
759         pxa_set_i2c_info(&i2c_pdata);
760         pxa27x_set_i2c_power_info(NULL);
761         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
762 
763         regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
764                                      ARRAY_SIZE(fixed_5v0_consumers),
765                                      5000000);
766         regulator_has_full_constraints();
767 }
768 
769 static void mioa701_machine_exit(void)
770 {
771         bootstrap_exit();
772         gsm_exit();
773 }
774 
775 MACHINE_START(MIOA701, "MIO A701")
776         .atag_offset    = 0x100,
777         .map_io         = &pxa27x_map_io,
778         .nr_irqs        = PXA_NR_IRQS,
779         .init_irq       = &pxa27x_init_irq,
780         .handle_irq     = &pxa27x_handle_irq,
781         .init_machine   = mioa701_machine_init,
782         .init_time      = pxa_timer_init,
783         .restart        = mioa701_restart,
784 MACHINE_END
785 

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