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/usb/gpio_vbus.h>
28 #include <linux/reboot.h>
29 #include <linux/regulator/fixed.h>
30 #include <linux/regulator/max1586.h>
31 #include <linux/slab.h>
32 #include <linux/platform_data/i2c-pxa.h>
33
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36
37 #include "pxa27x.h"
38 #include "regs-rtc.h"
39 #include <linux/platform_data/keypad-pxa27x.h>
40 #include <linux/platform_data/video-pxafb.h>
41 #include <linux/platform_data/mmc-pxamci.h>
42 #include "udc.h"
43 #include "pxa27x-udc.h"
44 #include <linux/platform_data/media/camera-pxa.h>
45 #include <mach/audio.h>
46 #include <mach/smemc.h>
47
48 #include "mioa701.h"
49
50 #include "generic.h"
51 #include "devices.h"
52
53 static unsigned long mioa701_pin_config[] = {
54 /* Mio global */
55 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
56 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
57 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
58 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
59 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
60
61 /* Backlight PWM 0 */
62 GPIO16_PWM0_OUT,
63
64 /* MMC */
65 GPIO32_MMC_CLK,
66 GPIO92_MMC_DAT_0,
67 GPIO109_MMC_DAT_1,
68 GPIO110_MMC_DAT_2,
69 GPIO111_MMC_DAT_3,
70 GPIO112_MMC_CMD,
71 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
72 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
73 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
74
75 /* USB */
76 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
77 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
78
79 /* LCD */
80 GPIOxx_LCD_TFT_16BPP,
81
82 /* QCI */
83 GPIO12_CIF_DD_7,
84 GPIO17_CIF_DD_6,
85 GPIO50_CIF_DD_3,
86 GPIO51_CIF_DD_2,
87 GPIO52_CIF_DD_4,
88 GPIO53_CIF_MCLK,
89 GPIO54_CIF_PCLK,
90 GPIO55_CIF_DD_1,
91 GPIO81_CIF_DD_0,
92 GPIO82_CIF_DD_5,
93 GPIO84_CIF_FV,
94 GPIO85_CIF_LV,
95 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
96
97 /* Bluetooth */
98 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
99 GPIO44_BTUART_CTS,
100 GPIO42_BTUART_RXD,
101 GPIO45_BTUART_RTS,
102 GPIO43_BTUART_TXD,
103 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
104 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
105 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
106
107 /* GPS */
108 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
109 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
110 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
111 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
112 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
113 GPIO46_STUART_RXD,
114 GPIO47_STUART_TXD,
115
116 /* GSM */
117 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
118 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
119 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
120 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
121 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
122 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
123 GPIO34_FFUART_RXD,
124 GPIO35_FFUART_CTS,
125 GPIO36_FFUART_DCD,
126 GPIO37_FFUART_DSR,
127 GPIO39_FFUART_TXD,
128 GPIO40_FFUART_DTR,
129 GPIO41_FFUART_RTS,
130
131 /* Sound */
132 GPIO28_AC97_BITCLK,
133 GPIO29_AC97_SDATA_IN_0,
134 GPIO30_AC97_SDATA_OUT,
135 GPIO31_AC97_SYNC,
136 GPIO89_AC97_SYSCLK,
137 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
138
139 /* Leds */
140 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
141 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
142 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
143 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
144 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
145
146 /* Keyboard */
147 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
148 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
149 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
150 GPIO100_KP_MKIN_0,
151 GPIO101_KP_MKIN_1,
152 GPIO102_KP_MKIN_2,
153 GPIO103_KP_MKOUT_0,
154 GPIO104_KP_MKOUT_1,
155 GPIO105_KP_MKOUT_2,
156
157 /* I2C */
158 GPIO117_I2C_SCL,
159 GPIO118_I2C_SDA,
160
161 /* Unknown */
162 MFP_CFG_IN(GPIO20, AF0),
163 MFP_CFG_IN(GPIO21, AF0),
164 MFP_CFG_IN(GPIO33, AF0),
165 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
166 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
167 MFP_CFG_IN(GPIO96, AF0),
168 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
169 };
170
171 static struct pwm_lookup mioa701_pwm_lookup[] = {
172 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
173 PWM_POLARITY_NORMAL),
174 };
175
176 /* LCD Screen and Backlight */
177 static struct platform_pwm_backlight_data mioa701_backlight_data = {
178 .max_brightness = 100,
179 .dft_brightness = 50,
180 .enable_gpio = -1,
181 };
182
183 /*
184 * LTM0305A776C LCD panel timings
185 *
186 * see:
187 * - the LTM0305A776C datasheet,
188 * - and the PXA27x Programmers' manual
189 */
190 static struct pxafb_mode_info mioa701_ltm0305a776c = {
191 .pixclock = 220000, /* CLK=4.545 MHz */
192 .xres = 240,
193 .yres = 320,
194 .bpp = 16,
195 .hsync_len = 4,
196 .vsync_len = 2,
197 .left_margin = 6,
198 .right_margin = 4,
199 .upper_margin = 5,
200 .lower_margin = 3,
201 };
202
mioa701_lcd_power(int on,struct fb_var_screeninfo * si)203 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
204 {
205 gpio_set_value(GPIO87_LCD_POWER, on);
206 }
207
208 static struct pxafb_mach_info mioa701_pxafb_info = {
209 .modes = &mioa701_ltm0305a776c,
210 .num_modes = 1,
211 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
212 .pxafb_lcd_power = mioa701_lcd_power,
213 };
214
215 /*
216 * Keyboard configuration
217 */
218 static const unsigned int mioa701_matrix_keys[] = {
219 KEY(0, 0, KEY_UP),
220 KEY(0, 1, KEY_RIGHT),
221 KEY(0, 2, KEY_MEDIA),
222 KEY(1, 0, KEY_DOWN),
223 KEY(1, 1, KEY_ENTER),
224 KEY(1, 2, KEY_CONNECT), /* GPS key */
225 KEY(2, 0, KEY_LEFT),
226 KEY(2, 1, KEY_PHONE), /* Phone Green key */
227 KEY(2, 2, KEY_CAMERA) /* Camera key */
228 };
229
230 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
231 .keymap = mioa701_matrix_keys,
232 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
233 };
234
235 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
236 .matrix_key_rows = 3,
237 .matrix_key_cols = 3,
238 .matrix_keymap_data = &mioa701_matrix_keymap_data,
239 };
240
241 /*
242 * GPIO Key Configuration
243 */
244 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
245 { .code = (key), .gpio = (_gpio), .active_low = 0, \
246 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
247 static struct gpio_keys_button mioa701_button_table[] = {
248 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
249 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
250 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
251 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
252 };
253
254 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
255 .buttons = mioa701_button_table,
256 .nbuttons = ARRAY_SIZE(mioa701_button_table),
257 };
258
259 /*
260 * Leds and vibrator
261 */
262 #define ONE_LED(_gpio, _name) \
263 { .gpio = (_gpio), .name = (_name), .active_low = true }
264 static struct gpio_led gpio_leds[] = {
265 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
266 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
267 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
268 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
269 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
270 };
271
272 static struct gpio_led_platform_data gpio_led_info = {
273 .leds = gpio_leds,
274 .num_leds = ARRAY_SIZE(gpio_leds),
275 };
276
277 /*
278 * GSM Sagem XS200 chip
279 *
280 * GSM handling was purged from kernel. For history, this is the way to go :
281 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
282 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
283 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
284 * GPIO24_GSM_MOD_RESET_CMD = 0
285 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
286 * GPIO88_GSM_nMOD_ON_CMD = 1
287 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
288 * GPIO90_GSM_nMOD_OFF_CMD = 1
289 */
is_gsm_on(void)290 static int is_gsm_on(void)
291 {
292 int is_on;
293
294 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
295 return is_on;
296 }
297
gsm_on_irq(int irq,void * p)298 irqreturn_t gsm_on_irq(int irq, void *p)
299 {
300 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
301 is_gsm_on() ? "on" : "off");
302 return IRQ_HANDLED;
303 }
304
305 static struct gpio gsm_gpios[] = {
306 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
307 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
308 };
309
gsm_init(void)310 static int __init gsm_init(void)
311 {
312 int rc;
313
314 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
315 if (rc)
316 goto err_gpio;
317 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
318 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
319 "GSM XS200 Power Irq", NULL);
320 if (rc)
321 goto err_irq;
322
323 gpio_set_wake(GPIO113_GSM_EVENT, 1);
324 return 0;
325
326 err_irq:
327 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
328 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
329 err_gpio:
330 printk(KERN_ERR "Mioa701: gsm not available\n");
331 return rc;
332 }
333
gsm_exit(void)334 static void gsm_exit(void)
335 {
336 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
337 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
338 }
339
340 /*
341 * Bluetooth BRF6150 chip
342 *
343 * BT handling was purged from kernel. For history, this is the way to go :
344 * - turn on : GPIO83_BT_ON = 1
345 * - turn off : GPIO83_BT_ON = 0
346 */
347
348 /*
349 * GPS Sirf Star III chip
350 *
351 * GPS handling was purged from kernel. For history, this is the way to go :
352 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
353 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
354 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
355 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
356 */
357
358 /*
359 * USB UDC
360 */
is_usb_connected(void)361 static int is_usb_connected(void)
362 {
363 return !gpio_get_value(GPIO13_nUSB_DETECT);
364 }
365
366 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
367 .udc_is_connected = is_usb_connected,
368 .gpio_pullup = GPIO22_USB_ENABLE,
369 };
370
371 struct gpio_vbus_mach_info gpio_vbus_data = {
372 .gpio_vbus = GPIO13_nUSB_DETECT,
373 .gpio_vbus_inverted = 1,
374 .gpio_pullup = -1,
375 };
376
377 /*
378 * SDIO/MMC Card controller
379 */
380 /**
381 * The card detect interrupt isn't debounced so we delay it by 250ms
382 * to give the card a chance to fully insert/eject.
383 */
384 static struct pxamci_platform_data mioa701_mci_info = {
385 .detect_delay_ms = 250,
386 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
387 };
388
389 static struct gpiod_lookup_table mioa701_mci_gpio_table = {
390 .dev_id = "pxa2xx-mci.0",
391 .table = {
392 /* Card detect on GPIO 15 */
393 GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
394 "cd", GPIO_ACTIVE_LOW),
395 /* Write protect on GPIO 78 */
396 GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
397 "wp", GPIO_ACTIVE_LOW),
398 /* Power on GPIO 91 */
399 GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
400 "power", GPIO_ACTIVE_HIGH),
401 { },
402 },
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
install_bootstrap(void)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
mioa701_sys_suspend(void)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
mioa701_sys_resume(void)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
bootstrap_init(void)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
bootstrap_exit(void)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
is_ac_connected(void)531 static int is_ac_connected(void)
532 {
533 return gpio_get_value(GPIO96_AC_DETECT);
534 }
535
mioa701_set_charge(int flags)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(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
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
mioa701_poweroff(void)696 static void mioa701_poweroff(void)
697 {
698 mioa701_machine_exit();
699 pxa_restart(REBOOT_SOFT, NULL);
700 }
701
mioa701_restart(enum reboot_mode c,const char * cmd)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
mioa701_machine_init(void)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 platform_add_devices(devices, ARRAY_SIZE(devices));
754 gsm_init();
755
756 i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
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 regulator_has_full_constraints();
766 }
767
mioa701_machine_exit(void)768 static void mioa701_machine_exit(void)
769 {
770 bootstrap_exit();
771 gsm_exit();
772 }
773
774 MACHINE_START(MIOA701, "MIO A701")
775 .atag_offset = 0x100,
776 .map_io = &pxa27x_map_io,
777 .nr_irqs = PXA_NR_IRQS,
778 .init_irq = &pxa27x_init_irq,
779 .handle_irq = &pxa27x_handle_irq,
780 .init_machine = mioa701_machine_init,
781 .init_time = pxa_timer_init,
782 .restart = mioa701_restart,
783 MACHINE_END
784