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

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Handles the Mitac Mio A701 Board
  4  *
  5  * Copyright (C) 2008 Robert Jarzmik
  6  */
  7 
  8 #include <linux/kernel.h>
  9 #include <linux/init.h>
 10 #include <linux/platform_device.h>
 11 #include <linux/syscore_ops.h>
 12 #include <linux/input.h>
 13 #include <linux/delay.h>
 14 #include <linux/gpio_keys.h>
 15 #include <linux/pwm.h>
 16 #include <linux/pwm_backlight.h>
 17 #include <linux/rtc.h>
 18 #include <linux/leds.h>
 19 #include <linux/gpio.h>
 20 #include <linux/gpio/machine.h>
 21 #include <linux/interrupt.h>
 22 #include <linux/irq.h>
 23 #include <linux/pda_power.h>
 24 #include <linux/power_supply.h>
 25 #include <linux/wm97xx.h>
 26 #include <linux/mtd/physmap.h>
 27 #include <linux/reboot.h>
 28 #include <linux/regulator/fixed.h>
 29 #include <linux/regulator/max1586.h>
 30 #include <linux/slab.h>
 31 #include <linux/platform_data/i2c-pxa.h>
 32 
 33 #include <asm/mach-types.h>
 34 #include <asm/mach/arch.h>
 35 
 36 #include "pxa27x.h"
 37 #include "regs-rtc.h"
 38 #include <linux/platform_data/keypad-pxa27x.h>
 39 #include <linux/platform_data/video-pxafb.h>
 40 #include <linux/platform_data/mmc-pxamci.h>
 41 #include "udc.h"
 42 #include "pxa27x-udc.h"
 43 #include <linux/platform_data/media/camera-pxa.h>
 44 #include <mach/audio.h>
 45 #include <mach/smemc.h>
 46 
 47 #include "mioa701.h"
 48 
 49 #include "generic.h"
 50 #include "devices.h"
 51 
 52 static unsigned long mioa701_pin_config[] = {
 53         /* Mio global */
 54         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
 55         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
 56         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
 57         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
 58         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
 59 
 60         /* Backlight PWM 0 */
 61         GPIO16_PWM0_OUT,
 62 
 63         /* MMC */
 64         GPIO32_MMC_CLK,
 65         GPIO92_MMC_DAT_0,
 66         GPIO109_MMC_DAT_1,
 67         GPIO110_MMC_DAT_2,
 68         GPIO111_MMC_DAT_3,
 69         GPIO112_MMC_CMD,
 70         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
 71         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
 72         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
 73 
 74         /* USB */
 75         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
 76         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
 77 
 78         /* LCD */
 79         GPIOxx_LCD_TFT_16BPP,
 80 
 81         /* QCI */
 82         GPIO12_CIF_DD_7,
 83         GPIO17_CIF_DD_6,
 84         GPIO50_CIF_DD_3,
 85         GPIO51_CIF_DD_2,
 86         GPIO52_CIF_DD_4,
 87         GPIO53_CIF_MCLK,
 88         GPIO54_CIF_PCLK,
 89         GPIO55_CIF_DD_1,
 90         GPIO81_CIF_DD_0,
 91         GPIO82_CIF_DD_5,
 92         GPIO84_CIF_FV,
 93         GPIO85_CIF_LV,
 94         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
 95 
 96         /* Bluetooth */
 97         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 98         GPIO44_BTUART_CTS,
 99         GPIO42_BTUART_RXD,
100         GPIO45_BTUART_RTS,
101         GPIO43_BTUART_TXD,
102         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
103         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
104         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
105 
106         /* GPS */
107         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
108         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
109         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
110         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
111         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
112         GPIO46_STUART_RXD,
113         GPIO47_STUART_TXD,
114 
115         /* GSM */
116         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
117         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
118         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
119         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
120         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
121         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
122         GPIO34_FFUART_RXD,
123         GPIO35_FFUART_CTS,
124         GPIO36_FFUART_DCD,
125         GPIO37_FFUART_DSR,
126         GPIO39_FFUART_TXD,
127         GPIO40_FFUART_DTR,
128         GPIO41_FFUART_RTS,
129 
130         /* Sound */
131         GPIO28_AC97_BITCLK,
132         GPIO29_AC97_SDATA_IN_0,
133         GPIO30_AC97_SDATA_OUT,
134         GPIO31_AC97_SYNC,
135         GPIO89_AC97_SYSCLK,
136         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
137 
138         /* Leds */
139         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
140         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
141         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
142         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
143         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
144 
145         /* Keyboard */
146         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
147         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
148         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
149         GPIO100_KP_MKIN_0,
150         GPIO101_KP_MKIN_1,
151         GPIO102_KP_MKIN_2,
152         GPIO103_KP_MKOUT_0,
153         GPIO104_KP_MKOUT_1,
154         GPIO105_KP_MKOUT_2,
155 
156         /* I2C */
157         GPIO117_I2C_SCL,
158         GPIO118_I2C_SDA,
159 
160         /* Unknown */
161         MFP_CFG_IN(GPIO20, AF0),
162         MFP_CFG_IN(GPIO21, AF0),
163         MFP_CFG_IN(GPIO33, AF0),
164         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
165         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
166         MFP_CFG_IN(GPIO96, AF0),
167         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
168 };
169 
170 static struct pwm_lookup mioa701_pwm_lookup[] = {
171         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
172                    PWM_POLARITY_NORMAL),
173 };
174 
175 /* LCD Screen and Backlight */
176 static struct platform_pwm_backlight_data mioa701_backlight_data = {
177         .max_brightness = 100,
178         .dft_brightness = 50,
179 };
180 
181 /*
182  * LTM0305A776C LCD panel timings
183  *
184  * see:
185  *  - the LTM0305A776C datasheet,
186  *  - and the PXA27x Programmers' manual
187  */
188 static struct pxafb_mode_info mioa701_ltm0305a776c = {
189         .pixclock               = 220000,       /* CLK=4.545 MHz */
190         .xres                   = 240,
191         .yres                   = 320,
192         .bpp                    = 16,
193         .hsync_len              = 4,
194         .vsync_len              = 2,
195         .left_margin            = 6,
196         .right_margin           = 4,
197         .upper_margin           = 5,
198         .lower_margin           = 3,
199 };
200 
201 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
202 {
203         gpio_set_value(GPIO87_LCD_POWER, on);
204 }
205 
206 static struct pxafb_mach_info mioa701_pxafb_info = {
207         .modes                  = &mioa701_ltm0305a776c,
208         .num_modes              = 1,
209         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
210         .pxafb_lcd_power        = mioa701_lcd_power,
211 };
212 
213 /*
214  * Keyboard configuration
215  */
216 static const unsigned int mioa701_matrix_keys[] = {
217         KEY(0, 0, KEY_UP),
218         KEY(0, 1, KEY_RIGHT),
219         KEY(0, 2, KEY_MEDIA),
220         KEY(1, 0, KEY_DOWN),
221         KEY(1, 1, KEY_ENTER),
222         KEY(1, 2, KEY_CONNECT), /* GPS key */
223         KEY(2, 0, KEY_LEFT),
224         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
225         KEY(2, 2, KEY_CAMERA)   /* Camera key */
226 };
227 
228 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
229         .keymap                 = mioa701_matrix_keys,
230         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
231 };
232 
233 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
234         .matrix_key_rows = 3,
235         .matrix_key_cols = 3,
236         .matrix_keymap_data = &mioa701_matrix_keymap_data,
237 };
238 
239 /*
240  * GPIO Key Configuration
241  */
242 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
243         { .code = (key), .gpio = (_gpio), .active_low = 0, \
244         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
245 static struct gpio_keys_button mioa701_button_table[] = {
246         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
247         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
248         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
249         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
250 };
251 
252 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
253         .buttons  = mioa701_button_table,
254         .nbuttons = ARRAY_SIZE(mioa701_button_table),
255 };
256 
257 /*
258  * Leds and vibrator
259  */
260 #define ONE_LED(_gpio, _name) \
261 { .gpio = (_gpio), .name = (_name), .active_low = true }
262 static struct gpio_led gpio_leds[] = {
263         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
264         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
265         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
266         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
267         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
268 };
269 
270 static struct gpio_led_platform_data gpio_led_info = {
271         .leds = gpio_leds,
272         .num_leds = ARRAY_SIZE(gpio_leds),
273 };
274 
275 /*
276  * GSM Sagem XS200 chip
277  *
278  * GSM handling was purged from kernel. For history, this is the way to go :
279  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
280  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
281  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
282  *             GPIO24_GSM_MOD_RESET_CMD = 0
283  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
284  *                GPIO88_GSM_nMOD_ON_CMD = 1
285  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
286  *                GPIO90_GSM_nMOD_OFF_CMD = 1
287  */
288 static int is_gsm_on(void)
289 {
290         int is_on;
291 
292         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
293         return is_on;
294 }
295 
296 irqreturn_t gsm_on_irq(int irq, void *p)
297 {
298         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
299                is_gsm_on() ? "on" : "off");
300         return IRQ_HANDLED;
301 }
302 
303 static struct gpio gsm_gpios[] = {
304         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
305         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
306 };
307 
308 static int __init gsm_init(void)
309 {
310         int rc;
311 
312         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
313         if (rc)
314                 goto err_gpio;
315         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
316                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
317                          "GSM XS200 Power Irq", NULL);
318         if (rc)
319                 goto err_irq;
320 
321         gpio_set_wake(GPIO113_GSM_EVENT, 1);
322         return 0;
323 
324 err_irq:
325         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
326         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
327 err_gpio:
328         printk(KERN_ERR "Mioa701: gsm not available\n");
329         return rc;
330 }
331 
332 static void gsm_exit(void)
333 {
334         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
335         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
336 }
337 
338 /*
339  * Bluetooth BRF6150 chip
340  *
341  * BT handling was purged from kernel. For history, this is the way to go :
342  * - turn on  : GPIO83_BT_ON = 1
343  * - turn off : GPIO83_BT_ON = 0
344  */
345 
346 /*
347  * GPS Sirf Star III chip
348  *
349  * GPS handling was purged from kernel. For history, this is the way to go :
350  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
351  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
352  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
353  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
354  */
355 
356 /*
357  * USB UDC
358  */
359 static int is_usb_connected(void)
360 {
361         return !gpio_get_value(GPIO13_nUSB_DETECT);
362 }
363 
364 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
365         .udc_is_connected = is_usb_connected,
366         .gpio_pullup      = GPIO22_USB_ENABLE,
367 };
368 
369 static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
370         .dev_id = "gpio-vbus",
371         .table = {
372                 GPIO_LOOKUP("gpio-pxa", GPIO13_nUSB_DETECT,
373                             "vbus", GPIO_ACTIVE_LOW),
374                 { },
375         },
376 };
377 
378 /*
379  * SDIO/MMC Card controller
380  */
381 /**
382  * The card detect interrupt isn't debounced so we delay it by 250ms
383  * to give the card a chance to fully insert/eject.
384  */
385 static struct pxamci_platform_data mioa701_mci_info = {
386         .detect_delay_ms        = 250,
387         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
388 };
389 
390 static struct gpiod_lookup_table mioa701_mci_gpio_table = {
391         .dev_id = "pxa2xx-mci.0",
392         .table = {
393                 /* Card detect on GPIO 15 */
394                 GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
395                             "cd", GPIO_ACTIVE_LOW),
396                 /* Write protect on GPIO 78 */
397                 GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
398                             "wp", GPIO_ACTIVE_LOW),
399                 /* Power on GPIO 91 */
400                 GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
401                             "power", GPIO_ACTIVE_HIGH),
402                 { },
403         },
404 };
405 
406 /* FlashRAM */
407 static struct resource docg3_resource = {
408         .start = PXA_CS0_PHYS,
409         .end   = PXA_CS0_PHYS + SZ_8K - 1,
410         .flags = IORESOURCE_MEM,
411 };
412 
413 static struct platform_device docg3 = {
414         .name          = "docg3",
415         .id            = -1,
416         .resource      = &docg3_resource,
417         .num_resources = 1,
418         .dev = {
419                 .platform_data = NULL,
420         },
421 };
422 
423 /*
424  * Suspend/Resume bootstrap management
425  *
426  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
427  * this sequence is as follows :
428  *   - disables interrupts
429  *   - initialize SDRAM (self refresh RAM into active RAM)
430  *   - initialize GPIOs (depends on value at 0xa020b020)
431  *   - initialize coprossessors
432  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
433  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
434  *   - else do a resume, ie. jump to addr 0xa0100000
435  */
436 #define RESUME_ENABLE_ADDR      0xa020b000
437 #define RESUME_ENABLE_VAL       0x0f0f0f0f
438 #define RESUME_BT_ADDR          0xa020b020
439 #define RESUME_UNKNOWN_ADDR     0xa020b024
440 #define RESUME_VECTOR_ADDR      0xa0100000
441 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
442 
443 static u32 *save_buffer;
444 
445 static void install_bootstrap(void)
446 {
447         int i;
448         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
449         u32 *src = &mioa701_bootstrap;
450 
451         for (i = 0; i < BOOTSTRAP_WORDS; i++)
452                 rom_bootstrap[i] = src[i];
453 }
454 
455 
456 static int mioa701_sys_suspend(void)
457 {
458         int i = 0, is_bt_on;
459         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
460         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
461         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
462         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
463 
464         /* Devices prepare suspend */
465         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
466         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
467                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
468 
469         for (i = 0; i < BOOTSTRAP_WORDS; i++)
470                 save_buffer[i] = mem_resume_vector[i];
471         save_buffer[i++] = *mem_resume_enabler;
472         save_buffer[i++] = *mem_resume_bt;
473         save_buffer[i++] = *mem_resume_unknown;
474 
475         *mem_resume_enabler = RESUME_ENABLE_VAL;
476         *mem_resume_bt      = is_bt_on;
477 
478         install_bootstrap();
479         return 0;
480 }
481 
482 static void mioa701_sys_resume(void)
483 {
484         int i = 0;
485         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
486         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
487         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
488         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
489 
490         for (i = 0; i < BOOTSTRAP_WORDS; i++)
491                 mem_resume_vector[i] = save_buffer[i];
492         *mem_resume_enabler = save_buffer[i++];
493         *mem_resume_bt      = save_buffer[i++];
494         *mem_resume_unknown = save_buffer[i++];
495 }
496 
497 static struct syscore_ops mioa701_syscore_ops = {
498         .suspend        = mioa701_sys_suspend,
499         .resume         = mioa701_sys_resume,
500 };
501 
502 static int __init bootstrap_init(void)
503 {
504         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
505 
506         register_syscore_ops(&mioa701_syscore_ops);
507 
508         save_buffer = kmalloc(save_size, GFP_KERNEL);
509         if (!save_buffer)
510                 return -ENOMEM;
511         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
512                save_size);
513         return 0;
514 }
515 
516 static void bootstrap_exit(void)
517 {
518         kfree(save_buffer);
519         unregister_syscore_ops(&mioa701_syscore_ops);
520 
521         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
522                "resume !!!\n");
523 }
524 
525 /*
526  * Power Supply
527  */
528 static char *supplicants[] = {
529         "mioa701_battery"
530 };
531 
532 static int is_ac_connected(void)
533 {
534         return gpio_get_value(GPIO96_AC_DETECT);
535 }
536 
537 static void mioa701_set_charge(int flags)
538 {
539         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
540 }
541 
542 static struct pda_power_pdata power_pdata = {
543         .is_ac_online   = is_ac_connected,
544         .is_usb_online  = is_usb_connected,
545         .set_charge = mioa701_set_charge,
546         .supplied_to = supplicants,
547         .num_supplicants = ARRAY_SIZE(supplicants),
548 };
549 
550 static struct resource power_resources[] = {
551         [0] = {
552                 .name   = "ac",
553                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
554                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
555                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
556                 IORESOURCE_IRQ_LOWEDGE,
557         },
558         [1] = {
559                 .name   = "usb",
560                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
561                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
562                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
563                 IORESOURCE_IRQ_LOWEDGE,
564         },
565 };
566 
567 static struct platform_device power_dev = {
568         .name           = "pda-power",
569         .id             = -1,
570         .resource       = power_resources,
571         .num_resources  = ARRAY_SIZE(power_resources),
572         .dev = {
573                 .platform_data  = &power_pdata,
574         },
575 };
576 
577 static struct wm97xx_batt_pdata mioa701_battery_data = {
578         .batt_aux       = WM97XX_AUX_ID1,
579         .temp_aux       = -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(gpio_vbus,         "gpio-vbus",      NULL);
681 
682 static struct platform_device *devices[] __initdata = {
683         &mioa701_gpio_keys,
684         &mioa701_backlight,
685         &mioa701_led,
686         &pxa2xx_pcm,
687         &mioa701_sound,
688         &power_dev,
689         &docg3,
690         &gpio_vbus,
691         &mioa701_board,
692 };
693 
694 static void mioa701_machine_exit(void);
695 
696 static void mioa701_poweroff(void)
697 {
698         mioa701_machine_exit();
699         pxa_restart(REBOOT_SOFT, NULL);
700 }
701 
702 static void mioa701_restart(enum reboot_mode c, const char *cmd)
703 {
704         mioa701_machine_exit();
705         pxa_restart(REBOOT_SOFT, cmd);
706 }
707 
708 static struct gpio global_gpios[] = {
709         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
710         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
711         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
712         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
713 };
714 
715 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
716         REGULATOR_SUPPLY("power", "pwm-backlight"),
717 };
718 
719 static void __init mioa701_machine_init(void)
720 {
721         int rc;
722 
723         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
724         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
725         RTTR = 32768 - 1; /* Reset crazy WinCE value */
726         UP2OCR = UP2OCR_HXOE;
727 
728         /*
729          * Set up the flash memory : DiskOnChip G3 on first static memory bank
730          */
731         __raw_writel(0x7ff02dd8, MSC0);
732         __raw_writel(0x0001c391, MCMEM0);
733         __raw_writel(0x0001c391, MCATT0);
734         __raw_writel(0x0001c391, MCIO0);
735 
736 
737         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
738         pxa_set_ffuart_info(NULL);
739         pxa_set_btuart_info(NULL);
740         pxa_set_stuart_info(NULL);
741         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
742         if (rc)
743                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
744         bootstrap_init();
745         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
746         gpiod_add_lookup_table(&mioa701_mci_gpio_table);
747         pxa_set_mci_info(&mioa701_mci_info);
748         pxa_set_keypad_info(&mioa701_keypad_info);
749         pxa_set_udc_info(&mioa701_udc_info);
750         pxa_set_ac97_info(&mioa701_ac97_info);
751         pm_power_off = mioa701_poweroff;
752         pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
753         gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
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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