projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[ARM] pxamci: add simple gpio controls
[deliverable/linux.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 */
437static void mci_setpower(struct device *dev, unsigned int vdd)
438{
439 struct pxamci_platform_data *p_d = dev->platform_data;
440
441 if ((1 << vdd) & p_d->ocr_mask)
442 gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */
443 else
444 gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */
445}
446
447static int mci_get_ro(struct device *dev)
448{
449 return gpio_get_value(GPIO78_SDIO_RO);
450}
451
452struct gpio_ress mci_gpios[] = {
453 MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"),
454 MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"),
455 MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable")
456};
457
458static void mci_exit(struct device *dev, void *data)
459{
460 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
461 free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data);
462}
463
464static struct pxamci_platform_data mioa701_mci_info;
465
466/**
467 * The card detect interrupt isn't debounced so we delay it by 250ms
468 * to give the card a chance to fully insert/eject.
469 */
470static int mci_init(struct device *dev, irq_handler_t detect_int, void *data)
471{
472 int rc;
473 int irq = gpio_to_irq(GPIO15_SDIO_INSERT);
474
475 rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios));
476 if (rc)
477 goto err_gpio;
478 /* enable RE/FE interrupt on card insertion and removal */
479 rc = request_irq(irq, detect_int,
480 IRQF_DISABLED | IRQF_TRIGGER_RISING |
481 IRQF_TRIGGER_FALLING,
482 "MMC card detect", data);
483 if (rc)
484 goto err_irq;
485
486 mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
487 return 0;
488
489err_irq:
490 dev_err(dev, "mioa701_mci_init: MMC/SD:"
491 " can't request MMC card detect IRQ\n");
492 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
493err_gpio:
494 return rc;
495}
496
497static struct pxamci_platform_data mioa701_mci_info = {
498 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
499 .init = mci_init,
500 .get_ro = mci_get_ro,
501 .setpower = mci_setpower,
502 .exit = mci_exit,
503};
504
505/* FlashRAM */
506static struct resource strataflash_resource = {
507 .start = PXA_CS0_PHYS,
508 .end = PXA_CS0_PHYS + SZ_64M - 1,
509 .flags = IORESOURCE_MEM,
510};
511
512static struct physmap_flash_data strataflash_data = {
513 .width = 2,
514 /* .set_vpp = mioa701_set_vpp, */
515};
516
517static struct platform_device strataflash = {
518 .name = "physmap-flash",
519 .id = -1,
520 .resource = &strataflash_resource,
521 .num_resources = 1,
522 .dev = {
523 .platform_data = &strataflash_data,
524 },
525};
526
527/*
528 * Suspend/Resume bootstrap management
529 *
530 * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
531 * this sequence is as follows :
532 * - disables interrupts
533 * - initialize SDRAM (self refresh RAM into active RAM)
534 * - initialize GPIOs (depends on value at 0xa020b020)
535 * - initialize coprossessors
536 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
537 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
538 * - else do a resume, ie. jump to addr 0xa0100000
539 */
540#define RESUME_ENABLE_ADDR 0xa020b000
541#define RESUME_ENABLE_VAL 0x0f0f0f0f
542#define RESUME_BT_ADDR 0xa020b020
543#define RESUME_UNKNOWN_ADDR 0xa020b024
544#define RESUME_VECTOR_ADDR 0xa0100000
545#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
546
547static u32 *save_buffer;
548
549static void install_bootstrap(void)
550{
551 int i;
552 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
553 u32 *src = &mioa701_bootstrap;
554
555 for (i = 0; i < BOOTSTRAP_WORDS; i++)
556 rom_bootstrap[i] = src[i];
557}
558
559
560static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
561{
562 int i = 0, is_bt_on;
563 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
564 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
565 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
566 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
567
568 /* Devices prepare suspend */
844c6f6a 569 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
eda6f6ec
RJ		 570 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
571 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
572
573 for (i = 0; i < BOOTSTRAP_WORDS; i++)
574 save_buffer[i] = mem_resume_vector[i];
575 save_buffer[i++] = *mem_resume_enabler;
576 save_buffer[i++] = *mem_resume_bt;
577 save_buffer[i++] = *mem_resume_unknown;
578
579 *mem_resume_enabler = RESUME_ENABLE_VAL;
580 *mem_resume_bt = is_bt_on;
581
582 install_bootstrap();
583 return 0;
584}
585
586static int mioa701_sys_resume(struct sys_device *sysdev)
587{
588 int i = 0;
589 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
590 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
591 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
592 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
593
594 for (i = 0; i < BOOTSTRAP_WORDS; i++)
595 mem_resume_vector[i] = save_buffer[i];
596 *mem_resume_enabler = save_buffer[i++];
597 *mem_resume_bt = save_buffer[i++];
598 *mem_resume_unknown = save_buffer[i++];
599
600 return 0;
601}
602
603static struct sysdev_class mioa701_sysclass = {
604 .name = "mioa701",
605};
606
607static struct sys_device sysdev_bootstrap = {
608 .cls = &mioa701_sysclass,
609};
610
611static struct sysdev_driver driver_bootstrap = {
612 .suspend = &mioa701_sys_suspend,
613 .resume = &mioa701_sys_resume,
614};
615
616static int __init bootstrap_init(void)
617{
618 int rc;
619 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
620
621 rc = sysdev_class_register(&mioa701_sysclass);
622 if (rc) {
623 printk(KERN_ERR "Failed registering mioa701 sys class\n");
624 return -ENODEV;
625 }
626 rc = sysdev_register(&sysdev_bootstrap);
627 if (rc) {
628 printk(KERN_ERR "Failed registering mioa701 sys device\n");
629 return -ENODEV;
630 }
631 rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
632 if (rc) {
633 printk(KERN_ERR "Failed registering PMU sys driver\n");
634 return -ENODEV;
635 }
636
637 save_buffer = kmalloc(save_size, GFP_KERNEL);
638 if (!save_buffer)
639 return -ENOMEM;
640 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
641 save_size);
642 return 0;
643}
644
645static void bootstrap_exit(void)
646{
647 kfree(save_buffer);
648 sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
649 sysdev_unregister(&sysdev_bootstrap);
650 sysdev_class_unregister(&mioa701_sysclass);
651
652 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
653 "resume !!!\n");
654}
655
656/*
657 * Power Supply
658 */
659static char *supplicants[] = {
660 "mioa701_battery"
661};
662
4aa89f97
RJ		 663static int is_ac_connected(void)
664{
665 return gpio_get_value(GPIO96_AC_DETECT);
666}
667
eda6f6ec
RJ		 668static void mioa701_set_charge(int flags)
669{
c96763d4 670 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
eda6f6ec
RJ		 671}
672
673static struct pda_power_pdata power_pdata = {
4aa89f97
RJ		 674 .is_ac_online = is_ac_connected,
675 .is_usb_online = is_usb_connected,
eda6f6ec
RJ		 676 .set_charge = mioa701_set_charge,
677 .supplied_to = supplicants,
678 .num_supplicants = ARRAY_SIZE(supplicants),
679};
680
681static struct resource power_resources[] = {
682 [0] = {
683 .name = "ac",
4aa89f97
RJ		 684 .start = gpio_to_irq(GPIO96_AC_DETECT),
685 .end = gpio_to_irq(GPIO96_AC_DETECT),
686 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
687 IORESOURCE_IRQ_LOWEDGE,
688 },
689 [1] = {
690 .name = "usb",
c96763d4
RJ		 691 .start = gpio_to_irq(GPIO13_nUSB_DETECT),
692 .end = gpio_to_irq(GPIO13_nUSB_DETECT),
eda6f6ec
RJ		 693 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
694 IORESOURCE_IRQ_LOWEDGE,
695 },
696};
697
698static struct platform_device power_dev = {
699 .name = "pda-power",
700 .id = -1,
701 .resource = power_resources,
702 .num_resources = ARRAY_SIZE(power_resources),
703 .dev = {
704 .platform_data = &power_pdata,
705 },
706};
707
4aa89f97
RJ		 708static struct wm97xx_batt_info mioa701_battery_data = {
709 .batt_aux = WM97XX_AUX_ID1,
710 .temp_aux = -1,
711 .charge_gpio = -1,
712 .min_voltage = 0xc00,
713 .max_voltage = 0xfc0,
714 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
715 .batt_div = 1,
716 .batt_mult = 1,
717 .batt_name = "mioa701_battery",
eda6f6ec
RJ		 718};
719
9752e148
RJ		 720/*
721 * Voltage regulation
722 */
723static struct regulator_consumer_supply max1586_consumers[] = {
724 {
725 .supply = "vcc_core",
726 }
727};
728
729static struct regulator_init_data max1586_v3_info = {
730 .constraints = {
731 .name = "vcc_core range",
732 .min_uV = 1000000,
733 .max_uV = 1705000,
734 .always_on = 1,
735 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
736 },
737 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
738 .consumer_supplies = max1586_consumers,
739};
740
741static struct max1586_subdev_data max1586_subdevs[] = {
742 { .name = "vcc_core", .id = MAX1586_V3,
743 .platform_data = &max1586_v3_info },
744};
745
746static struct max1586_platform_data max1586_info = {
747 .subdevs = max1586_subdevs,
748 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
e567b74c 749 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
9752e148
RJ		 750};
751
8e7ccddf
RJ		 752/*
753 * Camera interface
754 */
755struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
756 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
757 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
758 .mclk_10khz = 5000,
eda6f6ec
RJ		 759};
760
9752e148
RJ		 761static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
762 {
763 I2C_BOARD_INFO("max1586", 0x14),
764 .platform_data = &max1586_info,
765 },
766};
767
8e7ccddf
RJ		 768static struct soc_camera_link iclink = {
769 .bus_id = 0, /* Must match id in pxa27x_device_camera in device.c */
eda6f6ec
RJ		 770};
771
8e7ccddf
RJ		 772/* Board I2C devices. */
773static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
774 {
775 /* Must initialize before the camera(s) */
776 I2C_BOARD_INFO("mt9m111", 0x5d),
777 .platform_data = &iclink,
eda6f6ec 778 },
eda6f6ec
RJ		 779};
780
8e7ccddf
RJ		 781struct i2c_pxa_platform_data i2c_pdata = {
782 .fast_mode = 1,
783};
eda6f6ec 784
cc8d2730
RJ		 785static pxa2xx_audio_ops_t mioa701_ac97_info = {
786 .reset_gpio = 95,
787};
788
eda6f6ec
RJ		 789/*
790 * Mio global
791 */
792
793/* Devices */
794#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
795static struct platform_device var = { \
796 .name = strname, \
797 .id = -1, \
798 .dev = { \
799 .platform_data = pdata, \
800 .parent = tparent, \
801 }, \
802};
803#define MIO_SIMPLE_DEV(var, strname, pdata) \
804 MIO_PARENT_DEV(var, strname, NULL, pdata)
805
806MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
807MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
808 &mioa701_backlight_data);
809MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
810MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
eda6f6ec
RJ		 811MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
812MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
689b4feb 813MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
eda6f6ec
RJ		 814
815static struct platform_device *devices[] __initdata = {
816 &mioa701_gpio_keys,
817 &mioa701_backlight,
818 &mioa701_led,
819 &pxa2xx_pcm,
eda6f6ec
RJ		 820 &mioa701_sound,
821 &power_dev,
822 &strataflash,
689b4feb
RJ		 823 &gpio_vbus,
824 &mioa701_board,
eda6f6ec
RJ		 825};
826
827static void mioa701_machine_exit(void);
828
829static void mioa701_poweroff(void)
830{
831 mioa701_machine_exit();
be093beb 832 arm_machine_restart('s', NULL);
eda6f6ec
RJ		 833}
834
be093beb 835static void mioa701_restart(char c, const char *cmd)
eda6f6ec
RJ		 836{
837 mioa701_machine_exit();
be093beb 838 arm_machine_restart('s', cmd);
eda6f6ec
RJ		 839}
840
18473473 841static struct gpio_ress global_gpios[] = {
c96763d4 842 MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
eda6f6ec
RJ		 843 MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
844 MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power")
845};
846
847static void __init mioa701_machine_init(void)
848{
849 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
850 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
851 RTTR = 32768 - 1; /* Reset crazy WinCE value */
852 UP2OCR = UP2OCR_HXOE;
853
854 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
855 mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
856 bootstrap_init();
857 set_pxa_fb_info(&mioa701_pxafb_info);
858 pxa_set_mci_info(&mioa701_mci_info);
859 pxa_set_keypad_info(&mioa701_keypad_info);
4aa89f97 860 wm97xx_bat_set_pdata(&mioa701_battery_data);
cefdb2a4 861 pxa_set_udc_info(&mioa701_udc_info);
cc8d2730 862 pxa_set_ac97_info(&mioa701_ac97_info);
eda6f6ec
RJ		 863 pm_power_off = mioa701_poweroff;
864 arm_pm_restart = mioa701_restart;
865 platform_add_devices(devices, ARRAY_SIZE(devices));
866 gsm_init();
8e7ccddf 867
9752e148 868 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
8e7ccddf 869 pxa_set_i2c_info(&i2c_pdata);
9752e148 870 pxa27x_set_i2c_power_info(NULL);
8e7ccddf
RJ		 871 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
872 i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
eda6f6ec
RJ		 873}
874
875static void mioa701_machine_exit(void)
876{
eda6f6ec
RJ		 877 bootstrap_exit();
878 gsm_exit();
879}
880
881MACHINE_START(MIOA701, "MIO A701")
882 .phys_io = 0x40000000,
883 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
884 .boot_params = 0xa0000100,
885 .map_io = &pxa_map_io,
886 .init_irq = &pxa27x_init_irq,
887 .init_machine = mioa701_machine_init,
888 .timer = &pxa_timer,
889MACHINE_END
Linux kernel - Deliverables
This page took 0.122695 seconds and 5 git commands to generate.