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1/*
2 * Handles the Mitac Mio A701 Board
3 *
4 * Copyright (C) 2008 Robert Jarzmik
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <linux/kernel.h>
23#include <linux/init.h>
24#include <linux/platform_device.h>
25#include <linux/syscore_ops.h>
26#include <linux/input.h>
27#include <linux/delay.h>
28#include <linux/gpio_keys.h>
29#include <linux/pwm_backlight.h>
30#include <linux/rtc.h>
31#include <linux/leds.h>
32#include <linux/gpio.h>
33#include <linux/interrupt.h>
34#include <linux/irq.h>
35#include <linux/pda_power.h>
36#include <linux/power_supply.h>
37#include <linux/wm97xx.h>
38#include <linux/mtd/physmap.h>
39#include <linux/usb/gpio_vbus.h>
40#include <linux/regulator/max1586.h>
41#include <linux/slab.h>
42#include <linux/i2c/pxa-i2c.h>
43
44#include <asm/mach-types.h>
45#include <asm/mach/arch.h>
46
47#include <mach/pxa27x.h>
48#include <mach/regs-rtc.h>
49#include <plat/pxa27x_keypad.h>
50#include <mach/pxafb.h>
51#include <mach/mmc.h>
52#include <mach/udc.h>
53#include <mach/pxa27x-udc.h>
54#include <mach/camera.h>
55#include <mach/audio.h>
56#include <mach/smemc.h>
57#include <media/soc_camera.h>
58
59#include <mach/mioa701.h>
60
61#include "generic.h"
62#include "devices.h"
63
64static unsigned long mioa701_pin_config[] = {
65 /* Mio global */
66 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
67 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
68 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
69 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
70 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
71
72 /* Backlight PWM 0 */
73 GPIO16_PWM0_OUT,
74
75 /* MMC */
76 GPIO32_MMC_CLK,
77 GPIO92_MMC_DAT_0,
78 GPIO109_MMC_DAT_1,
79 GPIO110_MMC_DAT_2,
80 GPIO111_MMC_DAT_3,
81 GPIO112_MMC_CMD,
82 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
83 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
84 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
85
86 /* USB */
87 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
88 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
89
90 /* LCD */
91 GPIOxx_LCD_TFT_16BPP,
92
93 /* QCI */
94 GPIO12_CIF_DD_7,
95 GPIO17_CIF_DD_6,
96 GPIO50_CIF_DD_3,
97 GPIO51_CIF_DD_2,
98 GPIO52_CIF_DD_4,
99 GPIO53_CIF_MCLK,
100 GPIO54_CIF_PCLK,
101 GPIO55_CIF_DD_1,
102 GPIO81_CIF_DD_0,
103 GPIO82_CIF_DD_5,
104 GPIO84_CIF_FV,
105 GPIO85_CIF_LV,
106 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
107
108 /* Bluetooth */
109 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
110 GPIO44_BTUART_CTS,
111 GPIO42_BTUART_RXD,
112 GPIO45_BTUART_RTS,
113 GPIO43_BTUART_TXD,
114 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
115 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
116 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
117
118 /* GPS */
119 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
120 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
121 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
124 GPIO46_STUART_RXD,
125 GPIO47_STUART_TXD,
126
127 /* GSM */
128 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
129 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
130 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
131 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
132 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
133 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
134 GPIO34_FFUART_RXD,
135 GPIO35_FFUART_CTS,
136 GPIO36_FFUART_DCD,
137 GPIO37_FFUART_DSR,
138 GPIO39_FFUART_TXD,
139 GPIO40_FFUART_DTR,
140 GPIO41_FFUART_RTS,
141
142 /* Sound */
143 GPIO28_AC97_BITCLK,
144 GPIO29_AC97_SDATA_IN_0,
145 GPIO30_AC97_SDATA_OUT,
146 GPIO31_AC97_SYNC,
147 GPIO89_AC97_SYSCLK,
148 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
149
150 /* Leds */
151 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
152 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
153 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
156
157 /* Keyboard */
158 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
159 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
160 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
161 GPIO100_KP_MKIN_0,
162 GPIO101_KP_MKIN_1,
163 GPIO102_KP_MKIN_2,
164 GPIO103_KP_MKOUT_0,
165 GPIO104_KP_MKOUT_1,
166 GPIO105_KP_MKOUT_2,
167
168 /* I2C */
169 GPIO117_I2C_SCL,
170 GPIO118_I2C_SDA,
171
172 /* Unknown */
173 MFP_CFG_IN(GPIO20, AF0),
174 MFP_CFG_IN(GPIO21, AF0),
175 MFP_CFG_IN(GPIO33, AF0),
176 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
177 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
178 MFP_CFG_IN(GPIO96, AF0),
179 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
180};
181
182/* LCD Screen and Backlight */
183static struct platform_pwm_backlight_data mioa701_backlight_data = {
184 .pwm_id = 0,
185 .max_brightness = 100,
186 .dft_brightness = 50,
187 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
188};
189
190/*
191 * LTM0305A776C LCD panel timings
192 *
193 * see:
194 * - the LTM0305A776C datasheet,
195 * - and the PXA27x Programmers' manual
196 */
197static struct pxafb_mode_info mioa701_ltm0305a776c = {
198 .pixclock = 220000, /* CLK=4.545 MHz */
199 .xres = 240,
200 .yres = 320,
201 .bpp = 16,
202 .hsync_len = 4,
203 .vsync_len = 2,
204 .left_margin = 6,
205 .right_margin = 4,
206 .upper_margin = 5,
207 .lower_margin = 3,
208};
209
210static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
211{
212 gpio_set_value(GPIO87_LCD_POWER, on);
213}
214
215static struct pxafb_mach_info mioa701_pxafb_info = {
216 .modes = &mioa701_ltm0305a776c,
217 .num_modes = 1,
218 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
219 .pxafb_lcd_power = mioa701_lcd_power,
220};
221
222/*
223 * Keyboard configuration
224 */
225static unsigned int mioa701_matrix_keys[] = {
226 KEY(0, 0, KEY_UP),
227 KEY(0, 1, KEY_RIGHT),
228 KEY(0, 2, KEY_MEDIA),
229 KEY(1, 0, KEY_DOWN),
230 KEY(1, 1, KEY_ENTER),
231 KEY(1, 2, KEY_CONNECT), /* GPS key */
232 KEY(2, 0, KEY_LEFT),
233 KEY(2, 1, KEY_PHONE), /* Phone Green key */
234 KEY(2, 2, KEY_CAMERA) /* Camera key */
235};
236static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
237 .matrix_key_rows = 3,
238 .matrix_key_cols = 3,
239 .matrix_key_map = mioa701_matrix_keys,
240 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
241};
242
243/*
244 * GPIO Key Configuration
245 */
246#define MIO_KEY(key, _gpio, _desc, _wakeup) \
247 { .code = (key), .gpio = (_gpio), .active_low = 0, \
248 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
249static struct gpio_keys_button mioa701_button_table[] = {
250 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
251 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
252 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
253 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
254};
255
256static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
257 .buttons = mioa701_button_table,
258 .nbuttons = ARRAY_SIZE(mioa701_button_table),
259};
260
261/*
262 * Leds and vibrator
263 */
264#define ONE_LED(_gpio, _name) \
265{ .gpio = (_gpio), .name = (_name), .active_low = true }
266static struct gpio_led gpio_leds[] = {
267 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
268 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
269 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
270 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
271 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
272};
273
274static struct gpio_led_platform_data gpio_led_info = {
275 .leds = gpio_leds,
276 .num_leds = ARRAY_SIZE(gpio_leds),
277};
278
279/*
280 * GSM Sagem XS200 chip
281 *
282 * GSM handling was purged from kernel. For history, this is the way to go :
283 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
284 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
285 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
286 * GPIO24_GSM_MOD_RESET_CMD = 0
287 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
288 * GPIO88_GSM_nMOD_ON_CMD = 1
289 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
290 * GPIO90_GSM_nMOD_OFF_CMD = 1
291 */
292static int is_gsm_on(void)
293{
294 int is_on;
295
296 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
297 return is_on;
298}
299
300irqreturn_t gsm_on_irq(int irq, void *p)
301{
302 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
303 is_gsm_on() ? "on" : "off");
304 return IRQ_HANDLED;
305}
306
307static struct gpio gsm_gpios[] = {
308 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
309 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
310};
311
312static int __init gsm_init(void)
313{
314 int rc;
315
316 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
317 if (rc)
318 goto err_gpio;
319 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
320 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
321 "GSM XS200 Power Irq", NULL);
322 if (rc)
323 goto err_irq;
324
325 gpio_set_wake(GPIO113_GSM_EVENT, 1);
326 return 0;
327
328err_irq:
329 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
330 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
331err_gpio:
332 printk(KERN_ERR "Mioa701: gsm not available\n");
333 return rc;
334}
335
336static void gsm_exit(void)
337{
338 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
339 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
340}
341
342/*
343 * Bluetooth BRF6150 chip
344 *
345 * BT handling was purged from kernel. For history, this is the way to go :
346 * - turn on : GPIO83_BT_ON = 1
347 * - turn off : GPIO83_BT_ON = 0
348 */
349
350/*
351 * GPS Sirf Star III chip
352 *
353 * GPS handling was purged from kernel. For history, this is the way to go :
354 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
355 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
356 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
357 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
358 */
359
360/*
361 * USB UDC
362 */
363static int is_usb_connected(void)
364{
365 return !gpio_get_value(GPIO13_nUSB_DETECT);
366}
367
368static struct pxa2xx_udc_mach_info mioa701_udc_info = {
369 .udc_is_connected = is_usb_connected,
370 .gpio_pullup = GPIO22_USB_ENABLE,
371};
372
373struct gpio_vbus_mach_info gpio_vbus_data = {
374 .gpio_vbus = GPIO13_nUSB_DETECT,
375 .gpio_vbus_inverted = 1,
376 .gpio_pullup = -1,
377};
378
379/*
380 * SDIO/MMC Card controller
381 */
382/**
383 * The card detect interrupt isn't debounced so we delay it by 250ms
384 * to give the card a chance to fully insert/eject.
385 */
386static struct pxamci_platform_data mioa701_mci_info = {
387 .detect_delay_ms = 250,
388 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
389 .gpio_card_detect = GPIO15_SDIO_INSERT,
390 .gpio_card_ro = GPIO78_SDIO_RO,
391 .gpio_power = GPIO91_SDIO_EN,
392};
393
394/* FlashRAM */
395static struct resource docg3_resource = {
396 .start = PXA_CS0_PHYS,
397 .end = PXA_CS0_PHYS + SZ_8K - 1,
398 .flags = IORESOURCE_MEM,
399};
400
401static struct platform_device docg3 = {
402 .name = "docg3",
403 .id = -1,
404 .resource = &docg3_resource,
405 .num_resources = 1,
406 .dev = {
407 .platform_data = NULL,
408 },
409};
410
411/*
412 * Suspend/Resume bootstrap management
413 *
414 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
415 * this sequence is as follows :
416 * - disables interrupts
417 * - initialize SDRAM (self refresh RAM into active RAM)
418 * - initialize GPIOs (depends on value at 0xa020b020)
419 * - initialize coprossessors
420 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
421 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
422 * - else do a resume, ie. jump to addr 0xa0100000
423 */
424#define RESUME_ENABLE_ADDR 0xa020b000
425#define RESUME_ENABLE_VAL 0x0f0f0f0f
426#define RESUME_BT_ADDR 0xa020b020
427#define RESUME_UNKNOWN_ADDR 0xa020b024
428#define RESUME_VECTOR_ADDR 0xa0100000
429#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
430
431static u32 *save_buffer;
432
433static void install_bootstrap(void)
434{
435 int i;
436 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
437 u32 *src = &mioa701_bootstrap;
438
439 for (i = 0; i < BOOTSTRAP_WORDS; i++)
440 rom_bootstrap[i] = src[i];
441}
442
443
444static int mioa701_sys_suspend(void)
445{
446 int i = 0, is_bt_on;
447 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
448 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
449 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
450 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
451
452 /* Devices prepare suspend */
453 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
454 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
455 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
456
457 for (i = 0; i < BOOTSTRAP_WORDS; i++)
458 save_buffer[i] = mem_resume_vector[i];
459 save_buffer[i++] = *mem_resume_enabler;
460 save_buffer[i++] = *mem_resume_bt;
461 save_buffer[i++] = *mem_resume_unknown;
462
463 *mem_resume_enabler = RESUME_ENABLE_VAL;
464 *mem_resume_bt = is_bt_on;
465
466 install_bootstrap();
467 return 0;
468}
469
470static void mioa701_sys_resume(void)
471{
472 int i = 0;
473 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
474 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
475 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
476 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
477
478 for (i = 0; i < BOOTSTRAP_WORDS; i++)
479 mem_resume_vector[i] = save_buffer[i];
480 *mem_resume_enabler = save_buffer[i++];
481 *mem_resume_bt = save_buffer[i++];
482 *mem_resume_unknown = save_buffer[i++];
483}
484
485static struct syscore_ops mioa701_syscore_ops = {
486 .suspend = mioa701_sys_suspend,
487 .resume = mioa701_sys_resume,
488};
489
490static int __init bootstrap_init(void)
491{
492 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
493
494 register_syscore_ops(&mioa701_syscore_ops);
495
496 save_buffer = kmalloc(save_size, GFP_KERNEL);
497 if (!save_buffer)
498 return -ENOMEM;
499 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
500 save_size);
501 return 0;
502}
503
504static void bootstrap_exit(void)
505{
506 kfree(save_buffer);
507 unregister_syscore_ops(&mioa701_syscore_ops);
508
509 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
510 "resume !!!\n");
511}
512
513/*
514 * Power Supply
515 */
516static char *supplicants[] = {
517 "mioa701_battery"
518};
519
520static int is_ac_connected(void)
521{
522 return gpio_get_value(GPIO96_AC_DETECT);
523}
524
525static void mioa701_set_charge(int flags)
526{
527 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
528}
529
530static struct pda_power_pdata power_pdata = {
531 .is_ac_online = is_ac_connected,
532 .is_usb_online = is_usb_connected,
533 .set_charge = mioa701_set_charge,
534 .supplied_to = supplicants,
535 .num_supplicants = ARRAY_SIZE(supplicants),
536};
537
538static struct resource power_resources[] = {
539 [0] = {
540 .name = "ac",
541 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
542 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
543 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
544 IORESOURCE_IRQ_LOWEDGE,
545 },
546 [1] = {
547 .name = "usb",
548 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
549 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
550 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
551 IORESOURCE_IRQ_LOWEDGE,
552 },
553};
554
555static struct platform_device power_dev = {
556 .name = "pda-power",
557 .id = -1,
558 .resource = power_resources,
559 .num_resources = ARRAY_SIZE(power_resources),
560 .dev = {
561 .platform_data = &power_pdata,
562 },
563};
564
565static struct wm97xx_batt_pdata mioa701_battery_data = {
566 .batt_aux = WM97XX_AUX_ID1,
567 .temp_aux = -1,
568 .charge_gpio = -1,
569 .min_voltage = 0xc00,
570 .max_voltage = 0xfc0,
571 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
572 .batt_div = 1,
573 .batt_mult = 1,
574 .batt_name = "mioa701_battery",
575};
576
577static struct wm97xx_pdata mioa701_wm97xx_pdata = {
578 .batt_pdata = &mioa701_battery_data,
579};
580
581/*
582 * Voltage regulation
583 */
584static struct regulator_consumer_supply max1586_consumers[] = {
585 REGULATOR_SUPPLY("vcc_core", NULL),
586};
587
588static struct regulator_init_data max1586_v3_info = {
589 .constraints = {
590 .name = "vcc_core range",
591 .min_uV = 1000000,
592 .max_uV = 1705000,
593 .always_on = 1,
594 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
595 },
596 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
597 .consumer_supplies = max1586_consumers,
598};
599
600static struct max1586_subdev_data max1586_subdevs[] = {
601 { .name = "vcc_core", .id = MAX1586_V3,
602 .platform_data = &max1586_v3_info },
603};
604
605static struct max1586_platform_data max1586_info = {
606 .subdevs = max1586_subdevs,
607 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
608 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
609};
610
611/*
612 * Camera interface
613 */
614struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
615 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
616 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
617 .mclk_10khz = 5000,
618};
619
620static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
621 {
622 I2C_BOARD_INFO("max1586", 0x14),
623 .platform_data = &max1586_info,
624 },
625};
626
627/* Board I2C devices. */
628static struct i2c_board_info mioa701_i2c_devices[] = {
629 {
630 I2C_BOARD_INFO("mt9m111", 0x5d),
631 },
632};
633
634static struct soc_camera_link iclink = {
635 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
636 .board_info = &mioa701_i2c_devices[0],
637 .i2c_adapter_id = 0,
638};
639
640struct i2c_pxa_platform_data i2c_pdata = {
641 .fast_mode = 1,
642};
643
644static pxa2xx_audio_ops_t mioa701_ac97_info = {
645 .reset_gpio = 95,
646 .codec_pdata = { &mioa701_wm97xx_pdata, },
647};
648
649/*
650 * Mio global
651 */
652
653/* Devices */
654#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
655static struct platform_device var = { \
656 .name = strname, \
657 .id = -1, \
658 .dev = { \
659 .platform_data = pdata, \
660 .parent = tparent, \
661 }, \
662};
663#define MIO_SIMPLE_DEV(var, strname, pdata) \
664 MIO_PARENT_DEV(var, strname, NULL, pdata)
665
666MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
667MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
668 &mioa701_backlight_data);
669MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
670MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
671MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
672MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
673MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
674MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
675
676static struct platform_device *devices[] __initdata = {
677 &mioa701_gpio_keys,
678 &mioa701_backlight,
679 &mioa701_led,
680 &pxa2xx_pcm,
681 &mioa701_sound,
682 &power_dev,
683 &docg3,
684 &gpio_vbus,
685 &mioa701_camera,
686 &mioa701_board,
687};
688
689static void mioa701_machine_exit(void);
690
691static void mioa701_poweroff(void)
692{
693 mioa701_machine_exit();
694 pxa_restart('s', NULL);
695}
696
697static void mioa701_restart(char c, const char *cmd)
698{
699 mioa701_machine_exit();
700 pxa_restart('s', cmd);
701}
702
703static struct gpio global_gpios[] = {
704 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
705 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
706 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
707 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
708};
709
710static void __init mioa701_machine_init(void)
711{
712 int rc;
713
714 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
715 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
716 RTTR = 32768 - 1; /* Reset crazy WinCE value */
717 UP2OCR = UP2OCR_HXOE;
718
719 /*
720 * Set up the flash memory : DiskOnChip G3 on first static memory bank
721 */
722 __raw_writel(0x7ff02dd8, MSC0);
723 __raw_writel(0x0001c391, MCMEM0);
724 __raw_writel(0x0001c391, MCATT0);
725 __raw_writel(0x0001c391, MCIO0);
726
727
728 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
729 pxa_set_ffuart_info(NULL);
730 pxa_set_btuart_info(NULL);
731 pxa_set_stuart_info(NULL);
732 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
733 if (rc)
734 pr_err("MioA701: Failed to request GPIOs: %d", rc);
735 bootstrap_init();
736 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
737 pxa_set_mci_info(&mioa701_mci_info);
738 pxa_set_keypad_info(&mioa701_keypad_info);
739 pxa_set_udc_info(&mioa701_udc_info);
740 pxa_set_ac97_info(&mioa701_ac97_info);
741 pm_power_off = mioa701_poweroff;
742 platform_add_devices(devices, ARRAY_SIZE(devices));
743 gsm_init();
744
745 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
746 pxa_set_i2c_info(&i2c_pdata);
747 pxa27x_set_i2c_power_info(NULL);
748 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
749}
750
751static void mioa701_machine_exit(void)
752{
753 bootstrap_exit();
754 gsm_exit();
755}
756
757MACHINE_START(MIOA701, "MIO A701")
758 .atag_offset = 0x100,
759 .restart_mode = 's',
760 .map_io = &pxa27x_map_io,
761 .nr_irqs = PXA_NR_IRQS,
762 .init_irq = &pxa27x_init_irq,
763 .handle_irq = &pxa27x_handle_irq,
764 .init_machine = mioa701_machine_init,
765 .timer = &pxa_timer,
766 .restart = mioa701_restart,
767MACHINE_END
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
53static 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
171static 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 */
177static 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 */
190static 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
203static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
204{
205 gpio_set_value(GPIO87_LCD_POWER, on);
206}
207
208static 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 */
218static 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
230static struct matrix_keymap_data mioa701_matrix_keymap_data = {
231 .keymap = mioa701_matrix_keys,
232 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
233};
234
235static 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) }
247static 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
254static 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 }
264static 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
272static 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 */
290static 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
298irqreturn_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
305static struct gpio gsm_gpios[] = {
306 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
307 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
308};
309
310static 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
326err_irq:
327 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
328 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
329err_gpio:
330 printk(KERN_ERR "Mioa701: gsm not available\n");
331 return rc;
332}
333
334static 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 */
361static int is_usb_connected(void)
362{
363 return !gpio_get_value(GPIO13_nUSB_DETECT);
364}
365
366static struct pxa2xx_udc_mach_info mioa701_udc_info = {
367 .udc_is_connected = is_usb_connected,
368 .gpio_pullup = GPIO22_USB_ENABLE,
369};
370
371struct 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 */
384static 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
389static 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 */
406static struct resource docg3_resource = {
407 .start = PXA_CS0_PHYS,
408 .end = PXA_CS0_PHYS + SZ_8K - 1,
409 .flags = IORESOURCE_MEM,
410};
411
412static 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
442static u32 *save_buffer;
443
444static 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
455static 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
481static 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
496static struct syscore_ops mioa701_syscore_ops = {
497 .suspend = mioa701_sys_suspend,
498 .resume = mioa701_sys_resume,
499};
500
501static 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
515static 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 */
527static char *supplicants[] = {
528 "mioa701_battery"
529};
530
531static int is_ac_connected(void)
532{
533 return gpio_get_value(GPIO96_AC_DETECT);
534}
535
536static void mioa701_set_charge(int flags)
537{
538 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
539}
540
541static 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
549static 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
566static 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
576static 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
588static struct wm97xx_pdata mioa701_wm97xx_pdata = {
589 .batt_pdata = &mioa701_battery_data,
590};
591
592/*
593 * Voltage regulation
594 */
595static struct regulator_consumer_supply max1586_consumers[] = {
596 REGULATOR_SUPPLY("vcc_core", NULL),
597};
598
599static 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
611static struct max1586_subdev_data max1586_subdevs[] = {
612 { .name = "vcc_core", .id = MAX1586_V3,
613 .platform_data = &max1586_v3_info },
614};
615
616static 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 */
625struct 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
633static 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. */
641static struct i2c_board_info mioa701_i2c_devices[] = {
642 {
643 I2C_BOARD_INFO("mt9m111", 0x5d),
644 },
645};
646
647struct i2c_pxa_platform_data i2c_pdata = {
648 .fast_mode = 1,
649};
650
651static 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) \
662static 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
673MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
674MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
675 &mioa701_backlight_data);
676MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
677MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
678MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
679MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
680MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
681
682static 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
694static void mioa701_machine_exit(void);
695
696static void mioa701_poweroff(void)
697{
698 mioa701_machine_exit();
699 pxa_restart(REBOOT_SOFT, NULL);
700}
701
702static void mioa701_restart(enum reboot_mode c, const char *cmd)
703{
704 mioa701_machine_exit();
705 pxa_restart(REBOOT_SOFT, cmd);
706}
707
708static 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
715static struct regulator_consumer_supply fixed_5v0_consumers[] = {
716 REGULATOR_SUPPLY("power", "pwm-backlight"),
717};
718
719static 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
768static void mioa701_machine_exit(void)
769{
770 bootstrap_exit();
771 gsm_exit();
772}
773
774MACHINE_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,
783MACHINE_END