projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / arch / arm / mach-pxa / mioa701.c
CommitLineData
eda6f6ec
RJ		 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/sysdev.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>
4aa89f97 37#include <linux/wm97xx_batt.h>
eda6f6ec 38#include <linux/mtd/physmap.h>
689b4feb 39#include <linux/usb/gpio_vbus.h>
9752e148 40#include <linux/regulator/max1586.h>
eda6f6ec
RJ		 41
42#include <asm/mach-types.h>
43#include <asm/mach/arch.h>
51c62982
EM		 44
45#include <mach/pxa27x.h>
5bf3df3f 46#include <mach/regs-rtc.h>
eda6f6ec
RJ		 47#include <mach/pxa27x_keypad.h>
48#include <mach/pxafb.h>
eda6f6ec
RJ		 49#include <mach/mmc.h>
50#include <mach/udc.h>
51#include <mach/pxa27x-udc.h>
f0a83701 52#include <plat/i2c.h>
8e7ccddf 53#include <mach/camera.h>
80748fb8 54#include <mach/audio.h>
8e7ccddf 55#include <media/soc_camera.h>
eda6f6ec
RJ		 56
57#include <mach/mioa701.h>
58
59#include "generic.h"
60#include "devices.h"
61
62static unsigned long mioa701_pin_config[] = {
63 /* Mio global */
c96763d4 64 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
eda6f6ec
RJ		 65 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
66 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
67 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
c96763d4 68 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
eda6f6ec
RJ		 69
70 /* Backlight PWM 0 */
71 GPIO16_PWM0_OUT,
72
73 /* MMC */
74 GPIO32_MMC_CLK,
75 GPIO92_MMC_DAT_0,
76 GPIO109_MMC_DAT_1,
77 GPIO110_MMC_DAT_2,
78 GPIO111_MMC_DAT_3,
79 GPIO112_MMC_CMD,
80 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
81 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
82 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
83
84 /* USB */
c96763d4 85 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
eda6f6ec
RJ		 86 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
87
88 /* LCD */
89 GPIO58_LCD_LDD_0,
90 GPIO59_LCD_LDD_1,
91 GPIO60_LCD_LDD_2,
92 GPIO61_LCD_LDD_3,
93 GPIO62_LCD_LDD_4,
94 GPIO63_LCD_LDD_5,
95 GPIO64_LCD_LDD_6,
96 GPIO65_LCD_LDD_7,
97 GPIO66_LCD_LDD_8,
98 GPIO67_LCD_LDD_9,
99 GPIO68_LCD_LDD_10,
100 GPIO69_LCD_LDD_11,
101 GPIO70_LCD_LDD_12,
102 GPIO71_LCD_LDD_13,
103 GPIO72_LCD_LDD_14,
104 GPIO73_LCD_LDD_15,
105 GPIO74_LCD_FCLK,
106 GPIO75_LCD_LCLK,
107 GPIO76_LCD_PCLK,
108
8e7ccddf
RJ		 109 /* QCI */
110 GPIO12_CIF_DD_7,
111 GPIO17_CIF_DD_6,
112 GPIO50_CIF_DD_3,
113 GPIO51_CIF_DD_2,
114 GPIO52_CIF_DD_4,
115 GPIO53_CIF_MCLK,
116 GPIO54_CIF_PCLK,
117 GPIO55_CIF_DD_1,
118 GPIO81_CIF_DD_0,
119 GPIO82_CIF_DD_5,
120 GPIO84_CIF_FV,
121 GPIO85_CIF_LV,
122
eda6f6ec 123 /* Bluetooth */
c96763d4 124 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
eda6f6ec
RJ		 125 GPIO44_BTUART_CTS,
126 GPIO42_BTUART_RXD,
127 GPIO45_BTUART_RTS,
128 GPIO43_BTUART_TXD,
129 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
c96763d4
RJ		 130 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
131 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
eda6f6ec
RJ		 132
133 /* GPS */
134 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
135 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
136 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
137 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
138 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
139 GPIO46_STUART_RXD,
140 GPIO47_STUART_TXD,
141
142 /* GSM */
143 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
144 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
145 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
146 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
147 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
148 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
149 GPIO34_FFUART_RXD,
150 GPIO35_FFUART_CTS,
151 GPIO36_FFUART_DCD,
152 GPIO37_FFUART_DSR,
153 GPIO39_FFUART_TXD,
154 GPIO40_FFUART_DTR,
155 GPIO41_FFUART_RTS,
156
157 /* Sound */
158 GPIO89_AC97_SYSCLK,
159 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
160
161 /* Leds */
162 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
163 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
164 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
165 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
166 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
167
168 /* Keyboard */
169 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
170 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
171 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
172 GPIO100_KP_MKIN_0,
173 GPIO101_KP_MKIN_1,
174 GPIO102_KP_MKIN_2,
175 GPIO103_KP_MKOUT_0,
176 GPIO104_KP_MKOUT_1,
177 GPIO105_KP_MKOUT_2,
178
8e7ccddf
RJ		 179 /* I2C */
180 GPIO117_I2C_SCL,
181 GPIO118_I2C_SDA,
182
eda6f6ec 183 /* Unknown */
eda6f6ec
RJ		 184 MFP_CFG_IN(GPIO20, AF0),
185 MFP_CFG_IN(GPIO21, AF0),
186 MFP_CFG_IN(GPIO33, AF0),
187 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
188 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
eda6f6ec
RJ		 189 MFP_CFG_IN(GPIO96, AF0),
190 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
191};
192
193#define MIO_GPIO_IN(num, _desc) \
194 { .gpio = (num), .dir = 0, .desc = (_desc) }
195#define MIO_GPIO_OUT(num, _init, _desc) \
196 { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
197struct gpio_ress {
198 unsigned gpio : 8;
199 unsigned dir : 1;
200 unsigned init : 1;
201 char *desc;
202};
203
204static int mio_gpio_request(struct gpio_ress *gpios, int size)
205{
206 int i, rc = 0;
207 int gpio;
208 int dir;
209
210 for (i = 0; (!rc) && (i < size); i++) {
211 gpio = gpios[i].gpio;
212 dir = gpios[i].dir;
213 rc = gpio_request(gpio, gpios[i].desc);
214 if (rc) {
215 printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
216 gpio, gpios[i].desc, rc);
217 continue;
218 }
219 if (dir)
220 gpio_direction_output(gpio, gpios[i].init);
221 else
222 gpio_direction_input(gpio);
223 }
224 while ((rc) && (--i >= 0))
225 gpio_free(gpios[i].gpio);
226 return rc;
227}
228
229static void mio_gpio_free(struct gpio_ress *gpios, int size)
230{
231 int i;
232
233 for (i = 0; i < size; i++)
234 gpio_free(gpios[i].gpio);
235}
236
237/* LCD Screen and Backlight */
238static struct platform_pwm_backlight_data mioa701_backlight_data = {
239 .pwm_id = 0,
240 .max_brightness = 100,
241 .dft_brightness = 50,
242 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
243};
244
245/*
246 * LTM0305A776C LCD panel timings
247 *
248 * see:
249 * - the LTM0305A776C datasheet,
250 * - and the PXA27x Programmers' manual
251 */
252static struct pxafb_mode_info mioa701_ltm0305a776c = {
253 .pixclock = 220000, /* CLK=4.545 MHz */
254 .xres = 240,
255 .yres = 320,
256 .bpp = 16,
257 .hsync_len = 4,
258 .vsync_len = 2,
259 .left_margin = 6,
260 .right_margin = 4,
261 .upper_margin = 5,
262 .lower_margin = 3,
263};
264
265static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
266{
267 gpio_set_value(GPIO87_LCD_POWER, on);
268}
269
270static struct pxafb_mach_info mioa701_pxafb_info = {
271 .modes = &mioa701_ltm0305a776c,
272 .num_modes = 1,
273 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
274 .pxafb_lcd_power = mioa701_lcd_power,
275};
276
277/*
278 * Keyboard configuration
279 */
280static unsigned int mioa701_matrix_keys[] = {
281 KEY(0, 0, KEY_UP),
282 KEY(0, 1, KEY_RIGHT),
283 KEY(0, 2, KEY_MEDIA),
284 KEY(1, 0, KEY_DOWN),
285 KEY(1, 1, KEY_ENTER),
286 KEY(1, 2, KEY_CONNECT), /* GPS key */
287 KEY(2, 0, KEY_LEFT),
288 KEY(2, 1, KEY_PHONE), /* Phone Green key */
289 KEY(2, 2, KEY_CAMERA) /* Camera key */
290};
291static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
292 .matrix_key_rows = 3,
293 .matrix_key_cols = 3,
294 .matrix_key_map = mioa701_matrix_keys,
295 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
296};
297
298/*
299 * GPIO Key Configuration
300 */
301#define MIO_KEY(key, _gpio, _desc, _wakeup) \
302 { .code = (key), .gpio = (_gpio), .active_low = 0, \
303 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
304static struct gpio_keys_button mioa701_button_table[] = {
305 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
306 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
307 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
308 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
309};
310
311static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
312 .buttons = mioa701_button_table,
313 .nbuttons = ARRAY_SIZE(mioa701_button_table),
314};
315
316/*
317 * Leds and vibrator
318 */
319#define ONE_LED(_gpio, _name) \
320{ .gpio = (_gpio), .name = (_name), .active_low = true }
321static struct gpio_led gpio_leds[] = {
322 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
323 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
324 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
325 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
326 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
327};
328
329static struct gpio_led_platform_data gpio_led_info = {
330 .leds = gpio_leds,
331 .num_leds = ARRAY_SIZE(gpio_leds),
332};
333
334/*
335 * GSM Sagem XS200 chip
336 *
337 * GSM handling was purged from kernel. For history, this is the way to go :
338 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
339 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
340 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
341 * GPIO24_GSM_MOD_RESET_CMD = 0
342 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
343 * GPIO88_GSM_nMOD_ON_CMD = 1
344 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
345 * GPIO90_GSM_nMOD_OFF_CMD = 1
346 */
347static int is_gsm_on(void)
348{
349 int is_on;
350
351 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
352 return is_on;
353}
354
355irqreturn_t gsm_on_irq(int irq, void *p)
356{
357 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
358 is_gsm_on() ? "on" : "off");
359 return IRQ_HANDLED;
360}
361
362struct gpio_ress gsm_gpios[] = {
363 MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
364 MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
365};
366
367static int __init gsm_init(void)
368{
369 int rc;
370
371 rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
372 if (rc)
373 goto err_gpio;
374 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
375 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
376 "GSM XS200 Power Irq", NULL);
377 if (rc)
378 goto err_irq;
379
380 gpio_set_wake(GPIO113_GSM_EVENT, 1);
381 return 0;
382
383err_irq:
384 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
385 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
386err_gpio:
387 printk(KERN_ERR "Mioa701: gsm not available\n");
388 return rc;
389}
390
391static void gsm_exit(void)
392{
393 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
394 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
395}
396
397/*
398 * Bluetooth BRF6150 chip
399 *
400 * BT handling was purged from kernel. For history, this is the way to go :
401 * - turn on : GPIO83_BT_ON = 1
402 * - turn off : GPIO83_BT_ON = 0
403 */
404
405/*
406 * GPS Sirf Star III chip
407 *
408 * GPS handling was purged from kernel. For history, this is the way to go :
409 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
410 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
411 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
412 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
413 */
414
415/*
416 * USB UDC
417 */
eda6f6ec
RJ		 418static int is_usb_connected(void)
419{
c96763d4 420 return !gpio_get_value(GPIO13_nUSB_DETECT);
eda6f6ec
RJ		 421}
422
423static struct pxa2xx_udc_mach_info mioa701_udc_info = {
424 .udc_is_connected = is_usb_connected,
cefdb2a4 425 .gpio_pullup = GPIO22_USB_ENABLE,
eda6f6ec
RJ		 426};
427
689b4feb
RJ		 428struct gpio_vbus_mach_info gpio_vbus_data = {
429 .gpio_vbus = GPIO13_nUSB_DETECT,
430 .gpio_vbus_inverted = 1,
431 .gpio_pullup = -1,
432};
433
eda6f6ec
RJ		 434/*
435 * SDIO/MMC Card controller
436 */
eda6f6ec
RJ		 437/**
438 * The card detect interrupt isn't debounced so we delay it by 250ms
439 * to give the card a chance to fully insert/eject.
440 */
eda6f6ec 441static struct pxamci_platform_data mioa701_mci_info = {
7a648256
RJ		 442 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
443 .gpio_card_detect = GPIO15_SDIO_INSERT,
444 .gpio_card_ro = GPIO78_SDIO_RO,
445 .gpio_power = GPIO91_SDIO_EN,
eda6f6ec
RJ		 446};
447
448/* FlashRAM */
449static struct resource strataflash_resource = {
450 .start = PXA_CS0_PHYS,
451 .end = PXA_CS0_PHYS + SZ_64M - 1,
452 .flags = IORESOURCE_MEM,
453};
454
455static struct physmap_flash_data strataflash_data = {
456 .width = 2,
457 /* .set_vpp = mioa701_set_vpp, */
458};
459
460static struct platform_device strataflash = {
461 .name = "physmap-flash",
462 .id = -1,
463 .resource = &strataflash_resource,
464 .num_resources = 1,
465 .dev = {
466 .platform_data = &strataflash_data,
467 },
468};
469
470/*
471 * Suspend/Resume bootstrap management
472 *
473 * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
474 * this sequence is as follows :
475 * - disables interrupts
476 * - initialize SDRAM (self refresh RAM into active RAM)
477 * - initialize GPIOs (depends on value at 0xa020b020)
478 * - initialize coprossessors
479 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
480 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
481 * - else do a resume, ie. jump to addr 0xa0100000
482 */
483#define RESUME_ENABLE_ADDR 0xa020b000
484#define RESUME_ENABLE_VAL 0x0f0f0f0f
485#define RESUME_BT_ADDR 0xa020b020
486#define RESUME_UNKNOWN_ADDR 0xa020b024
487#define RESUME_VECTOR_ADDR 0xa0100000
488#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
489
490static u32 *save_buffer;
491
492static void install_bootstrap(void)
493{
494 int i;
495 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
496 u32 *src = &mioa701_bootstrap;
497
498 for (i = 0; i < BOOTSTRAP_WORDS; i++)
499 rom_bootstrap[i] = src[i];
500}
501
502
503static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
504{
505 int i = 0, is_bt_on;
506 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
507 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
508 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
509 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
510
511 /* Devices prepare suspend */
844c6f6a 512 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
eda6f6ec
RJ		 513 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
514 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
515
516 for (i = 0; i < BOOTSTRAP_WORDS; i++)
517 save_buffer[i] = mem_resume_vector[i];
518 save_buffer[i++] = *mem_resume_enabler;
519 save_buffer[i++] = *mem_resume_bt;
520 save_buffer[i++] = *mem_resume_unknown;
521
522 *mem_resume_enabler = RESUME_ENABLE_VAL;
523 *mem_resume_bt = is_bt_on;
524
525 install_bootstrap();
526 return 0;
527}
528
529static int mioa701_sys_resume(struct sys_device *sysdev)
530{
531 int i = 0;
532 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
533 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
534 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
535 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
536
537 for (i = 0; i < BOOTSTRAP_WORDS; i++)
538 mem_resume_vector[i] = save_buffer[i];
539 *mem_resume_enabler = save_buffer[i++];
540 *mem_resume_bt = save_buffer[i++];
541 *mem_resume_unknown = save_buffer[i++];
542
543 return 0;
544}
545
546static struct sysdev_class mioa701_sysclass = {
547 .name = "mioa701",
548};
549
550static struct sys_device sysdev_bootstrap = {
551 .cls = &mioa701_sysclass,
552};
553
554static struct sysdev_driver driver_bootstrap = {
555 .suspend = &mioa701_sys_suspend,
556 .resume = &mioa701_sys_resume,
557};
558
559static int __init bootstrap_init(void)
560{
561 int rc;
562 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
563
564 rc = sysdev_class_register(&mioa701_sysclass);
565 if (rc) {
566 printk(KERN_ERR "Failed registering mioa701 sys class\n");
567 return -ENODEV;
568 }
569 rc = sysdev_register(&sysdev_bootstrap);
570 if (rc) {
571 printk(KERN_ERR "Failed registering mioa701 sys device\n");
572 return -ENODEV;
573 }
574 rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
575 if (rc) {
576 printk(KERN_ERR "Failed registering PMU sys driver\n");
577 return -ENODEV;
578 }
579
580 save_buffer = kmalloc(save_size, GFP_KERNEL);
581 if (!save_buffer)
582 return -ENOMEM;
583 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
584 save_size);
585 return 0;
586}
587
588static void bootstrap_exit(void)
589{
590 kfree(save_buffer);
591 sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
592 sysdev_unregister(&sysdev_bootstrap);
593 sysdev_class_unregister(&mioa701_sysclass);
594
595 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
596 "resume !!!\n");
597}
598
599/*
600 * Power Supply
601 */
602static char *supplicants[] = {
603 "mioa701_battery"
604};
605
4aa89f97
RJ		 606static int is_ac_connected(void)
607{
608 return gpio_get_value(GPIO96_AC_DETECT);
609}
610
eda6f6ec
RJ		 611static void mioa701_set_charge(int flags)
612{
c96763d4 613 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
eda6f6ec
RJ		 614}
615
616static struct pda_power_pdata power_pdata = {
4aa89f97
RJ		 617 .is_ac_online = is_ac_connected,
618 .is_usb_online = is_usb_connected,
eda6f6ec
RJ		 619 .set_charge = mioa701_set_charge,
620 .supplied_to = supplicants,
621 .num_supplicants = ARRAY_SIZE(supplicants),
622};
623
624static struct resource power_resources[] = {
625 [0] = {
626 .name = "ac",
4aa89f97
RJ		 627 .start = gpio_to_irq(GPIO96_AC_DETECT),
628 .end = gpio_to_irq(GPIO96_AC_DETECT),
629 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
630 IORESOURCE_IRQ_LOWEDGE,
631 },
632 [1] = {
633 .name = "usb",
c96763d4
RJ		 634 .start = gpio_to_irq(GPIO13_nUSB_DETECT),
635 .end = gpio_to_irq(GPIO13_nUSB_DETECT),
eda6f6ec
RJ		 636 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
637 IORESOURCE_IRQ_LOWEDGE,
638 },
639};
640
641static struct platform_device power_dev = {
642 .name = "pda-power",
643 .id = -1,
644 .resource = power_resources,
645 .num_resources = ARRAY_SIZE(power_resources),
646 .dev = {
647 .platform_data = &power_pdata,
648 },
649};
650
4aa89f97
RJ		 651static struct wm97xx_batt_info mioa701_battery_data = {
652 .batt_aux = WM97XX_AUX_ID1,
653 .temp_aux = -1,
654 .charge_gpio = -1,
655 .min_voltage = 0xc00,
656 .max_voltage = 0xfc0,
657 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
658 .batt_div = 1,
659 .batt_mult = 1,
660 .batt_name = "mioa701_battery",
eda6f6ec
RJ		 661};
662
9752e148
RJ		 663/*
664 * Voltage regulation
665 */
666static struct regulator_consumer_supply max1586_consumers[] = {
667 {
668 .supply = "vcc_core",
669 }
670};
671
672static struct regulator_init_data max1586_v3_info = {
673 .constraints = {
674 .name = "vcc_core range",
675 .min_uV = 1000000,
676 .max_uV = 1705000,
677 .always_on = 1,
678 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
679 },
680 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
681 .consumer_supplies = max1586_consumers,
682};
683
684static struct max1586_subdev_data max1586_subdevs[] = {
685 { .name = "vcc_core", .id = MAX1586_V3,
686 .platform_data = &max1586_v3_info },
687};
688
689static struct max1586_platform_data max1586_info = {
690 .subdevs = max1586_subdevs,
691 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
e567b74c 692 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
9752e148
RJ		 693};
694
8e7ccddf
RJ		 695/*
696 * Camera interface
697 */
698struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
699 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
700 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
701 .mclk_10khz = 5000,
eda6f6ec
RJ		 702};
703
9752e148
RJ		 704static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
705 {
706 I2C_BOARD_INFO("max1586", 0x14),
707 .platform_data = &max1586_info,
708 },
709};
710
8e7ccddf
RJ		 711/* Board I2C devices. */
712static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
713 {
8e7ccddf 714 I2C_BOARD_INFO("mt9m111", 0x5d),
eda6f6ec 715 },
eda6f6ec
RJ		 716};
717
a48c24a6
GL		 718static struct soc_camera_link iclink = {
719 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
720 .board_info = &mioa701_i2c_devices[0],
721 .i2c_adapter_id = 0,
722 .module_name = "mt9m111",
723};
724
8e7ccddf
RJ		 725struct i2c_pxa_platform_data i2c_pdata = {
726 .fast_mode = 1,
727};
eda6f6ec 728
cc8d2730
RJ		 729static pxa2xx_audio_ops_t mioa701_ac97_info = {
730 .reset_gpio = 95,
731};
732
eda6f6ec
RJ		 733/*
734 * Mio global
735 */
736
737/* Devices */
738#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
739static struct platform_device var = { \
740 .name = strname, \
741 .id = -1, \
742 .dev = { \
743 .platform_data = pdata, \
744 .parent = tparent, \
745 }, \
746};
747#define MIO_SIMPLE_DEV(var, strname, pdata) \
748 MIO_PARENT_DEV(var, strname, NULL, pdata)
749
750MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
751MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
752 &mioa701_backlight_data);
753MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
754MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
eda6f6ec
RJ		 755MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
756MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
689b4feb 757MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
a48c24a6 758MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
eda6f6ec
RJ		 759
760static struct platform_device *devices[] __initdata = {
761 &mioa701_gpio_keys,
762 &mioa701_backlight,
763 &mioa701_led,
764 &pxa2xx_pcm,
eda6f6ec
RJ		 765 &mioa701_sound,
766 &power_dev,
767 &strataflash,
689b4feb 768 &gpio_vbus,
a48c24a6 769 &mioa701_camera,
689b4feb 770 &mioa701_board,
eda6f6ec
RJ		 771};
772
773static void mioa701_machine_exit(void);
774
775static void mioa701_poweroff(void)
776{
777 mioa701_machine_exit();
be093beb 778 arm_machine_restart('s', NULL);
eda6f6ec
RJ		 779}
780
be093beb 781static void mioa701_restart(char c, const char *cmd)
eda6f6ec
RJ		 782{
783 mioa701_machine_exit();
be093beb 784 arm_machine_restart('s', cmd);
eda6f6ec
RJ		 785}
786
18473473 787static struct gpio_ress global_gpios[] = {
c96763d4 788 MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
eda6f6ec 789 MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
7a648256 790 MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"),
eda6f6ec
RJ		 791};
792
793static void __init mioa701_machine_init(void)
794{
795 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
796 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
797 RTTR = 32768 - 1; /* Reset crazy WinCE value */
798 UP2OCR = UP2OCR_HXOE;
799
800 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
cc155c6f
RK		 801 pxa_set_ffuart_info(NULL);
802 pxa_set_btuart_info(NULL);
803 pxa_set_stuart_info(NULL);
eda6f6ec
RJ		 804 mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
805 bootstrap_init();
806 set_pxa_fb_info(&mioa701_pxafb_info);
7a648256 807 mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
eda6f6ec
RJ		 808 pxa_set_mci_info(&mioa701_mci_info);
809 pxa_set_keypad_info(&mioa701_keypad_info);
4aa89f97 810 wm97xx_bat_set_pdata(&mioa701_battery_data);
cefdb2a4 811 pxa_set_udc_info(&mioa701_udc_info);
cc8d2730 812 pxa_set_ac97_info(&mioa701_ac97_info);
eda6f6ec
RJ		 813 pm_power_off = mioa701_poweroff;
814 arm_pm_restart = mioa701_restart;
815 platform_add_devices(devices, ARRAY_SIZE(devices));
816 gsm_init();
8e7ccddf 817
9752e148 818 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
8e7ccddf 819 pxa_set_i2c_info(&i2c_pdata);
9752e148 820 pxa27x_set_i2c_power_info(NULL);
8e7ccddf 821 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
eda6f6ec
RJ		 822}
823
824static void mioa701_machine_exit(void)
825{
eda6f6ec
RJ		 826 bootstrap_exit();
827 gsm_exit();
828}
829
830MACHINE_START(MIOA701, "MIO A701")
831 .phys_io = 0x40000000,
832 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
833 .boot_params = 0xa0000100,
834 .map_io = &pxa_map_io,
835 .init_irq = &pxa27x_init_irq,
836 .init_machine = mioa701_machine_init,
837 .timer = &pxa_timer,
838MACHINE_END
Linux 6.x block layer and io_uring tree(s)