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
mioa701_lcd_power(int on,struct fb_var_screeninfo * si)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 */
is_gsm_on(void)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
gsm_on_irq(int irq,void * p)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
gsm_init(void)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
gsm_exit(void)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 */
is_usb_connected(void)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
install_bootstrap(void)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
mioa701_sys_suspend(void)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
mioa701_sys_resume(void)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
bootstrap_init(void)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
bootstrap_exit(void)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
is_ac_connected(void)532 static int is_ac_connected(void)
533 {
534 return gpio_get_value(GPIO96_AC_DETECT);
535 }
536
mioa701_set_charge(int flags)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 .charge_gpio = -1,
581 .min_voltage = 0xc00,
582 .max_voltage = 0xfc0,
583 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
584 .batt_div = 1,
585 .batt_mult = 1,
586 .batt_name = "mioa701_battery",
587 };
588
589 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
590 .batt_pdata = &mioa701_battery_data,
591 };
592
593 /*
594 * Voltage regulation
595 */
596 static struct regulator_consumer_supply max1586_consumers[] = {
597 REGULATOR_SUPPLY("vcc_core", NULL),
598 };
599
600 static struct regulator_init_data max1586_v3_info = {
601 .constraints = {
602 .name = "vcc_core range",
603 .min_uV = 1000000,
604 .max_uV = 1705000,
605 .always_on = 1,
606 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
607 },
608 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
609 .consumer_supplies = max1586_consumers,
610 };
611
612 static struct max1586_subdev_data max1586_subdevs[] = {
613 { .name = "vcc_core", .id = MAX1586_V3,
614 .platform_data = &max1586_v3_info },
615 };
616
617 static struct max1586_platform_data max1586_info = {
618 .subdevs = max1586_subdevs,
619 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
620 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
621 };
622
623 /*
624 * Camera interface
625 */
626 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
627 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
628 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
629 .mclk_10khz = 5000,
630 .sensor_i2c_adapter_id = 0,
631 .sensor_i2c_address = 0x5d,
632 };
633
634 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
635 {
636 I2C_BOARD_INFO("max1586", 0x14),
637 .platform_data = &max1586_info,
638 },
639 };
640
641 /* Board I2C devices. */
642 static struct i2c_board_info mioa701_i2c_devices[] = {
643 {
644 I2C_BOARD_INFO("mt9m111", 0x5d),
645 },
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", NULL);
682
683 static struct platform_device *devices[] __initdata = {
684 &mioa701_gpio_keys,
685 &mioa701_backlight,
686 &mioa701_led,
687 &pxa2xx_pcm,
688 &mioa701_sound,
689 &power_dev,
690 &docg3,
691 &gpio_vbus,
692 &mioa701_board,
693 };
694
695 static void mioa701_machine_exit(void);
696
mioa701_poweroff(void)697 static void mioa701_poweroff(void)
698 {
699 mioa701_machine_exit();
700 pxa_restart(REBOOT_SOFT, NULL);
701 }
702
mioa701_restart(enum reboot_mode c,const char * cmd)703 static void mioa701_restart(enum reboot_mode c, const char *cmd)
704 {
705 mioa701_machine_exit();
706 pxa_restart(REBOOT_SOFT, cmd);
707 }
708
709 static struct gpio global_gpios[] = {
710 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
711 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
712 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
713 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
714 };
715
716 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
717 REGULATOR_SUPPLY("power", "pwm-backlight"),
718 };
719
mioa701_machine_init(void)720 static void __init mioa701_machine_init(void)
721 {
722 int rc;
723
724 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
725 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
726 RTTR = 32768 - 1; /* Reset crazy WinCE value */
727 UP2OCR = UP2OCR_HXOE;
728
729 /*
730 * Set up the flash memory : DiskOnChip G3 on first static memory bank
731 */
732 __raw_writel(0x7ff02dd8, MSC0);
733 __raw_writel(0x0001c391, MCMEM0);
734 __raw_writel(0x0001c391, MCATT0);
735 __raw_writel(0x0001c391, MCIO0);
736
737
738 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
739 pxa_set_ffuart_info(NULL);
740 pxa_set_btuart_info(NULL);
741 pxa_set_stuart_info(NULL);
742 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
743 if (rc)
744 pr_err("MioA701: Failed to request GPIOs: %d", rc);
745 bootstrap_init();
746 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
747 gpiod_add_lookup_table(&mioa701_mci_gpio_table);
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 gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
755 platform_add_devices(devices, ARRAY_SIZE(devices));
756 gsm_init();
757
758 i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
759 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
760 pxa_set_i2c_info(&i2c_pdata);
761 pxa27x_set_i2c_power_info(NULL);
762 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
763
764 regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
765 ARRAY_SIZE(fixed_5v0_consumers),
766 5000000);
767 regulator_has_full_constraints();
768 }
769
mioa701_machine_exit(void)770 static void mioa701_machine_exit(void)
771 {
772 bootstrap_exit();
773 gsm_exit();
774 }
775
776 MACHINE_START(MIOA701, "MIO A701")
777 .atag_offset = 0x100,
778 .map_io = &pxa27x_map_io,
779 .nr_irqs = PXA_NR_IRQS,
780 .init_irq = &pxa27x_init_irq,
781 .handle_irq = &pxa27x_handle_irq,
782 .init_machine = mioa701_machine_init,
783 .init_time = pxa_timer_init,
784 .restart = mioa701_restart,
785 MACHINE_END
786
