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Merge tag 'arc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
[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>
2eaa03b5 25#include <linux/syscore_ops.h>
eda6f6ec
RJ		 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>
241cf473 37#include <linux/wm97xx.h>
eda6f6ec 38#include <linux/mtd/physmap.h>
689b4feb 39#include <linux/usb/gpio_vbus.h>
7b6d864b 40#include <linux/reboot.h>
902e6a0c 41#include <linux/regulator/fixed.h>
9752e148 42#include <linux/regulator/max1586.h>
5a0e3ad6 43#include <linux/slab.h>
b459396e 44#include <linux/i2c/pxa-i2c.h>
eda6f6ec
RJ		 45
46#include <asm/mach-types.h>
47#include <asm/mach/arch.h>
51c62982
EM		 48
49#include <mach/pxa27x.h>
5bf3df3f 50#include <mach/regs-rtc.h>
293b2da1
AB		 51#include <linux/platform_data/keypad-pxa27x.h>
52#include <linux/platform_data/video-pxafb.h>
53#include <linux/platform_data/mmc-pxamci.h>
eda6f6ec
RJ		 54#include <mach/udc.h>
55#include <mach/pxa27x-udc.h>
293b2da1 56#include <linux/platform_data/camera-pxa.h>
80748fb8 57#include <mach/audio.h>
43a90877 58#include <mach/smemc.h>
8e7ccddf 59#include <media/soc_camera.h>
eda6f6ec
RJ		 60
61#include <mach/mioa701.h>
62
63#include "generic.h"
64#include "devices.h"
65
66static unsigned long mioa701_pin_config[] = {
67 /* Mio global */
c96763d4 68 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
eda6f6ec
RJ		 69 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
70 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
71 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
c96763d4 72 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
eda6f6ec
RJ		 73
74 /* Backlight PWM 0 */
75 GPIO16_PWM0_OUT,
76
77 /* MMC */
78 GPIO32_MMC_CLK,
79 GPIO92_MMC_DAT_0,
80 GPIO109_MMC_DAT_1,
81 GPIO110_MMC_DAT_2,
82 GPIO111_MMC_DAT_3,
83 GPIO112_MMC_CMD,
84 MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
85 MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
86 MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
87
88 /* USB */
c96763d4 89 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
eda6f6ec
RJ		 90 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
91
92 /* LCD */
bedbda97 93 GPIOxx_LCD_TFT_16BPP,
eda6f6ec 94
8e7ccddf
RJ		 95 /* QCI */
96 GPIO12_CIF_DD_7,
97 GPIO17_CIF_DD_6,
98 GPIO50_CIF_DD_3,
99 GPIO51_CIF_DD_2,
100 GPIO52_CIF_DD_4,
101 GPIO53_CIF_MCLK,
102 GPIO54_CIF_PCLK,
103 GPIO55_CIF_DD_1,
104 GPIO81_CIF_DD_0,
105 GPIO82_CIF_DD_5,
106 GPIO84_CIF_FV,
107 GPIO85_CIF_LV,
c2219e4d 108 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
8e7ccddf 109
eda6f6ec 110 /* Bluetooth */
c96763d4 111 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
eda6f6ec
RJ		 112 GPIO44_BTUART_CTS,
113 GPIO42_BTUART_RXD,
114 GPIO45_BTUART_RTS,
115 GPIO43_BTUART_TXD,
116 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
c96763d4
RJ		 117 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
118 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
eda6f6ec
RJ		 119
120 /* GPS */
121 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
122 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
123 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
124 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
125 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
126 GPIO46_STUART_RXD,
127 GPIO47_STUART_TXD,
128
129 /* GSM */
130 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
131 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
132 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
133 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
134 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
135 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
136 GPIO34_FFUART_RXD,
137 GPIO35_FFUART_CTS,
138 GPIO36_FFUART_DCD,
139 GPIO37_FFUART_DSR,
140 GPIO39_FFUART_TXD,
141 GPIO40_FFUART_DTR,
142 GPIO41_FFUART_RTS,
143
144 /* Sound */
c11b6a42
EM		 145 GPIO28_AC97_BITCLK,
146 GPIO29_AC97_SDATA_IN_0,
147 GPIO30_AC97_SDATA_OUT,
148 GPIO31_AC97_SYNC,
eda6f6ec
RJ		 149 GPIO89_AC97_SYSCLK,
150 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
151
152 /* Leds */
153 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
154 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
155 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
156 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
157 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
158
159 /* Keyboard */
160 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
161 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
162 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
163 GPIO100_KP_MKIN_0,
164 GPIO101_KP_MKIN_1,
165 GPIO102_KP_MKIN_2,
166 GPIO103_KP_MKOUT_0,
167 GPIO104_KP_MKOUT_1,
168 GPIO105_KP_MKOUT_2,
169
8e7ccddf
RJ		 170 /* I2C */
171 GPIO117_I2C_SCL,
172 GPIO118_I2C_SDA,
173
eda6f6ec 174 /* Unknown */
eda6f6ec
RJ		 175 MFP_CFG_IN(GPIO20, AF0),
176 MFP_CFG_IN(GPIO21, AF0),
177 MFP_CFG_IN(GPIO33, AF0),
178 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
179 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
eda6f6ec
RJ		 180 MFP_CFG_IN(GPIO96, AF0),
181 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
182};
183
eda6f6ec
RJ		 184/* LCD Screen and Backlight */
185static struct platform_pwm_backlight_data mioa701_backlight_data = {
186 .pwm_id = 0,
187 .max_brightness = 100,
188 .dft_brightness = 50,
189 .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
db01120c 190 .enable_gpio = -1,
eda6f6ec
RJ		 191};
192
193/*
194 * LTM0305A776C LCD panel timings
195 *
196 * see:
197 * - the LTM0305A776C datasheet,
198 * - and the PXA27x Programmers' manual
199 */
200static struct pxafb_mode_info mioa701_ltm0305a776c = {
201 .pixclock = 220000, /* CLK=4.545 MHz */
202 .xres = 240,
203 .yres = 320,
204 .bpp = 16,
205 .hsync_len = 4,
206 .vsync_len = 2,
207 .left_margin = 6,
208 .right_margin = 4,
209 .upper_margin = 5,
210 .lower_margin = 3,
211};
212
213static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
214{
215 gpio_set_value(GPIO87_LCD_POWER, on);
216}
217
218static struct pxafb_mach_info mioa701_pxafb_info = {
219 .modes = &mioa701_ltm0305a776c,
220 .num_modes = 1,
221 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
222 .pxafb_lcd_power = mioa701_lcd_power,
223};
224
225/*
226 * Keyboard configuration
227 */
0a085a94 228static const unsigned int mioa701_matrix_keys[] = {
eda6f6ec
RJ		 229 KEY(0, 0, KEY_UP),
230 KEY(0, 1, KEY_RIGHT),
231 KEY(0, 2, KEY_MEDIA),
232 KEY(1, 0, KEY_DOWN),
233 KEY(1, 1, KEY_ENTER),
234 KEY(1, 2, KEY_CONNECT), /* GPS key */
235 KEY(2, 0, KEY_LEFT),
236 KEY(2, 1, KEY_PHONE), /* Phone Green key */
237 KEY(2, 2, KEY_CAMERA) /* Camera key */
238};
0a085a94
CX		 239
240static struct matrix_keymap_data mioa701_matrix_keymap_data = {
241 .keymap = mioa701_matrix_keys,
242 .keymap_size = ARRAY_SIZE(mioa701_matrix_keys),
243};
244
eda6f6ec
RJ		 245static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
246 .matrix_key_rows = 3,
247 .matrix_key_cols = 3,
0a085a94 248 .matrix_keymap_data = &mioa701_matrix_keymap_data,
eda6f6ec
RJ		 249};
250
251/*
252 * GPIO Key Configuration
253 */
254#define MIO_KEY(key, _gpio, _desc, _wakeup) \
255 { .code = (key), .gpio = (_gpio), .active_low = 0, \
256 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
257static struct gpio_keys_button mioa701_button_table[] = {
258 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
259 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
260 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
261 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
262};
263
264static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
265 .buttons = mioa701_button_table,
266 .nbuttons = ARRAY_SIZE(mioa701_button_table),
267};
268
269/*
270 * Leds and vibrator
271 */
272#define ONE_LED(_gpio, _name) \
273{ .gpio = (_gpio), .name = (_name), .active_low = true }
274static struct gpio_led gpio_leds[] = {
275 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
276 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
277 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
278 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
279 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
280};
281
282static struct gpio_led_platform_data gpio_led_info = {
283 .leds = gpio_leds,
284 .num_leds = ARRAY_SIZE(gpio_leds),
285};
286
287/*
288 * GSM Sagem XS200 chip
289 *
290 * GSM handling was purged from kernel. For history, this is the way to go :
291 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
292 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
293 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
294 * GPIO24_GSM_MOD_RESET_CMD = 0
295 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
296 * GPIO88_GSM_nMOD_ON_CMD = 1
297 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
298 * GPIO90_GSM_nMOD_OFF_CMD = 1
299 */
300static int is_gsm_on(void)
301{
302 int is_on;
303
304 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
305 return is_on;
306}
307
308irqreturn_t gsm_on_irq(int irq, void *p)
309{
310 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
311 is_gsm_on() ? "on" : "off");
312 return IRQ_HANDLED;
313}
314
4c738b25
PZ		 315static struct gpio gsm_gpios[] = {
316 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
317 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
eda6f6ec
RJ		 318};
319
320static int __init gsm_init(void)
321{
322 int rc;
323
4c738b25 324 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
eda6f6ec
RJ		 325 if (rc)
326 goto err_gpio;
327 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
328 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
329 "GSM XS200 Power Irq", NULL);
330 if (rc)
331 goto err_irq;
332
333 gpio_set_wake(GPIO113_GSM_EVENT, 1);
334 return 0;
335
336err_irq:
337 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
4c738b25 338 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
eda6f6ec
RJ		 339err_gpio:
340 printk(KERN_ERR "Mioa701: gsm not available\n");
341 return rc;
342}
343
344static void gsm_exit(void)
345{
346 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
4c738b25 347 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
eda6f6ec
RJ		 348}
349
350/*
351 * Bluetooth BRF6150 chip
352 *
353 * BT handling was purged from kernel. For history, this is the way to go :
354 * - turn on : GPIO83_BT_ON = 1
355 * - turn off : GPIO83_BT_ON = 0
356 */
357
358/*
359 * GPS Sirf Star III chip
360 *
361 * GPS handling was purged from kernel. For history, this is the way to go :
362 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
363 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
364 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
365 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
366 */
367
368/*
369 * USB UDC
370 */
eda6f6ec
RJ		 371static int is_usb_connected(void)
372{
c96763d4 373 return !gpio_get_value(GPIO13_nUSB_DETECT);
eda6f6ec
RJ		 374}
375
376static struct pxa2xx_udc_mach_info mioa701_udc_info = {
377 .udc_is_connected = is_usb_connected,
cefdb2a4 378 .gpio_pullup = GPIO22_USB_ENABLE,
eda6f6ec
RJ		 379};
380
689b4feb
RJ		 381struct gpio_vbus_mach_info gpio_vbus_data = {
382 .gpio_vbus = GPIO13_nUSB_DETECT,
383 .gpio_vbus_inverted = 1,
384 .gpio_pullup = -1,
385};
386
eda6f6ec
RJ		 387/*
388 * SDIO/MMC Card controller
389 */
eda6f6ec
RJ		 390/**
391 * The card detect interrupt isn't debounced so we delay it by 250ms
392 * to give the card a chance to fully insert/eject.
393 */
eda6f6ec 394static struct pxamci_platform_data mioa701_mci_info = {
f97cab28 395 .detect_delay_ms = 250,
7a648256
RJ		 396 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
397 .gpio_card_detect = GPIO15_SDIO_INSERT,
398 .gpio_card_ro = GPIO78_SDIO_RO,
399 .gpio_power = GPIO91_SDIO_EN,
eda6f6ec
RJ		 400};
401
402/* FlashRAM */
43a90877 403static struct resource docg3_resource = {
eda6f6ec 404 .start = PXA_CS0_PHYS,
43a90877 405 .end = PXA_CS0_PHYS + SZ_8K - 1,
eda6f6ec
RJ		 406 .flags = IORESOURCE_MEM,
407};
408
43a90877
RJ		 409static struct platform_device docg3 = {
410 .name = "docg3",
eda6f6ec 411 .id = -1,
43a90877 412 .resource = &docg3_resource,
eda6f6ec
RJ		 413 .num_resources = 1,
414 .dev = {
43a90877 415 .platform_data = NULL,
eda6f6ec
RJ		 416 },
417};
418
419/*
420 * Suspend/Resume bootstrap management
421 *
25985edc 422 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
eda6f6ec
RJ		 423 * this sequence is as follows :
424 * - disables interrupts
425 * - initialize SDRAM (self refresh RAM into active RAM)
426 * - initialize GPIOs (depends on value at 0xa020b020)
427 * - initialize coprossessors
428 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
429 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
430 * - else do a resume, ie. jump to addr 0xa0100000
431 */
432#define RESUME_ENABLE_ADDR 0xa020b000
433#define RESUME_ENABLE_VAL 0x0f0f0f0f
434#define RESUME_BT_ADDR 0xa020b020
435#define RESUME_UNKNOWN_ADDR 0xa020b024
436#define RESUME_VECTOR_ADDR 0xa0100000
437#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
438
439static u32 *save_buffer;
440
441static void install_bootstrap(void)
442{
443 int i;
444 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
445 u32 *src = &mioa701_bootstrap;
446
447 for (i = 0; i < BOOTSTRAP_WORDS; i++)
448 rom_bootstrap[i] = src[i];
449}
450
451
2eaa03b5 452static int mioa701_sys_suspend(void)
eda6f6ec
RJ		 453{
454 int i = 0, is_bt_on;
455 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
456 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
457 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
458 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
459
460 /* Devices prepare suspend */
844c6f6a 461 is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
eda6f6ec
RJ		 462 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
463 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
464
465 for (i = 0; i < BOOTSTRAP_WORDS; i++)
466 save_buffer[i] = mem_resume_vector[i];
467 save_buffer[i++] = *mem_resume_enabler;
468 save_buffer[i++] = *mem_resume_bt;
469 save_buffer[i++] = *mem_resume_unknown;
470
471 *mem_resume_enabler = RESUME_ENABLE_VAL;
472 *mem_resume_bt = is_bt_on;
473
474 install_bootstrap();
475 return 0;
476}
477
2eaa03b5 478static void mioa701_sys_resume(void)
eda6f6ec
RJ		 479{
480 int i = 0;
481 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
482 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
483 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
484 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
485
486 for (i = 0; i < BOOTSTRAP_WORDS; i++)
487 mem_resume_vector[i] = save_buffer[i];
488 *mem_resume_enabler = save_buffer[i++];
489 *mem_resume_bt = save_buffer[i++];
490 *mem_resume_unknown = save_buffer[i++];
eda6f6ec
RJ		 491}
492
2eaa03b5
RW		 493static struct syscore_ops mioa701_syscore_ops = {
494 .suspend = mioa701_sys_suspend,
495 .resume = mioa701_sys_resume,
eda6f6ec
RJ		 496};
497
498static int __init bootstrap_init(void)
499{
eda6f6ec
RJ		 500 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
501
2eaa03b5 502 register_syscore_ops(&mioa701_syscore_ops);
eda6f6ec
RJ		 503
504 save_buffer = kmalloc(save_size, GFP_KERNEL);
505 if (!save_buffer)
506 return -ENOMEM;
507 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
508 save_size);
509 return 0;
510}
511
512static void bootstrap_exit(void)
513{
514 kfree(save_buffer);
2eaa03b5 515 unregister_syscore_ops(&mioa701_syscore_ops);
eda6f6ec
RJ		 516
517 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
518 "resume !!!\n");
519}
520
521/*
522 * Power Supply
523 */
524static char *supplicants[] = {
525 "mioa701_battery"
526};
527
4aa89f97
RJ		 528static int is_ac_connected(void)
529{
530 return gpio_get_value(GPIO96_AC_DETECT);
531}
532
eda6f6ec
RJ		 533static void mioa701_set_charge(int flags)
534{
c96763d4 535 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
eda6f6ec
RJ		 536}
537
538static struct pda_power_pdata power_pdata = {
4aa89f97
RJ		 539 .is_ac_online = is_ac_connected,
540 .is_usb_online = is_usb_connected,
eda6f6ec
RJ		 541 .set_charge = mioa701_set_charge,
542 .supplied_to = supplicants,
543 .num_supplicants = ARRAY_SIZE(supplicants),
544};
545
546static struct resource power_resources[] = {
547 [0] = {
548 .name = "ac",
4929f5a8
HZ		 549 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
550 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
4aa89f97
RJ		 551 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
552 IORESOURCE_IRQ_LOWEDGE,
553 },
554 [1] = {
555 .name = "usb",
4929f5a8
HZ		 556 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
557 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
eda6f6ec
RJ		 558 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
559 IORESOURCE_IRQ_LOWEDGE,
560 },
561};
562
563static struct platform_device power_dev = {
564 .name = "pda-power",
565 .id = -1,
566 .resource = power_resources,
567 .num_resources = ARRAY_SIZE(power_resources),
568 .dev = {
569 .platform_data = &power_pdata,
570 },
571};
572
241cf473 573static struct wm97xx_batt_pdata mioa701_battery_data = {
4aa89f97
RJ		 574 .batt_aux = WM97XX_AUX_ID1,
575 .temp_aux = -1,
576 .charge_gpio = -1,
577 .min_voltage = 0xc00,
578 .max_voltage = 0xfc0,
579 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
580 .batt_div = 1,
581 .batt_mult = 1,
582 .batt_name = "mioa701_battery",
eda6f6ec
RJ		 583};
584
241cf473
MV		 585static struct wm97xx_pdata mioa701_wm97xx_pdata = {
586 .batt_pdata = &mioa701_battery_data,
587};
588
9752e148
RJ		 589/*
590 * Voltage regulation
591 */
592static struct regulator_consumer_supply max1586_consumers[] = {
0bf189ab 593 REGULATOR_SUPPLY("vcc_core", NULL),
9752e148
RJ		 594};
595
596static struct regulator_init_data max1586_v3_info = {
597 .constraints = {
598 .name = "vcc_core range",
599 .min_uV = 1000000,
600 .max_uV = 1705000,
601 .always_on = 1,
602 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
603 },
604 .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
605 .consumer_supplies = max1586_consumers,
606};
607
608static struct max1586_subdev_data max1586_subdevs[] = {
609 { .name = "vcc_core", .id = MAX1586_V3,
610 .platform_data = &max1586_v3_info },
611};
612
613static struct max1586_platform_data max1586_info = {
614 .subdevs = max1586_subdevs,
615 .num_subdevs = ARRAY_SIZE(max1586_subdevs),
e567b74c 616 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
9752e148
RJ		 617};
618
8e7ccddf
RJ		 619/*
620 * Camera interface
621 */
622struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
623 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
624 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
625 .mclk_10khz = 5000,
eda6f6ec
RJ		 626};
627
9752e148
RJ		 628static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
629 {
630 I2C_BOARD_INFO("max1586", 0x14),
631 .platform_data = &max1586_info,
632 },
633};
634
8e7ccddf 635/* Board I2C devices. */
8dbed71a 636static struct i2c_board_info mioa701_i2c_devices[] = {
8e7ccddf 637 {
8e7ccddf 638 I2C_BOARD_INFO("mt9m111", 0x5d),
eda6f6ec 639 },
eda6f6ec
RJ		 640};
641
a48c24a6
GL		 642static struct soc_camera_link iclink = {
643 .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
644 .board_info = &mioa701_i2c_devices[0],
645 .i2c_adapter_id = 0,
a48c24a6
GL		 646};
647
8e7ccddf
RJ		 648struct i2c_pxa_platform_data i2c_pdata = {
649 .fast_mode = 1,
650};
eda6f6ec 651
cc8d2730
RJ		 652static pxa2xx_audio_ops_t mioa701_ac97_info = {
653 .reset_gpio = 95,
241cf473 654 .codec_pdata = { &mioa701_wm97xx_pdata, },
cc8d2730
RJ		 655};
656
eda6f6ec
RJ		 657/*
658 * Mio global
659 */
660
661/* Devices */
662#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
663static struct platform_device var = { \
664 .name = strname, \
665 .id = -1, \
666 .dev = { \
667 .platform_data = pdata, \
668 .parent = tparent, \
669 }, \
670};
671#define MIO_SIMPLE_DEV(var, strname, pdata) \
672 MIO_PARENT_DEV(var, strname, NULL, pdata)
673
674MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
675MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
676 &mioa701_backlight_data);
677MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
678MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
eda6f6ec
RJ		 679MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
680MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
689b4feb 681MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
a48c24a6 682MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
eda6f6ec
RJ		 683
684static struct platform_device *devices[] __initdata = {
685 &mioa701_gpio_keys,
686 &mioa701_backlight,
687 &mioa701_led,
688 &pxa2xx_pcm,
eda6f6ec
RJ		 689 &mioa701_sound,
690 &power_dev,
43a90877 691 &docg3,
689b4feb 692 &gpio_vbus,
a48c24a6 693 &mioa701_camera,
689b4feb 694 &mioa701_board,
eda6f6ec
RJ		 695};
696
697static void mioa701_machine_exit(void);
698
699static void mioa701_poweroff(void)
700{
701 mioa701_machine_exit();
7b6d864b 702 pxa_restart(REBOOT_SOFT, NULL);
eda6f6ec
RJ		 703}
704
7b6d864b 705static void mioa701_restart(enum reboot_mode c, const char *cmd)
eda6f6ec
RJ		 706{
707 mioa701_machine_exit();
7b6d864b 708 pxa_restart(REBOOT_SOFT, cmd);
eda6f6ec
RJ		 709}
710
4c738b25
PZ		 711static struct gpio global_gpios[] = {
712 { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
713 { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
714 { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
c2219e4d 715 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
eda6f6ec
RJ		 716};
717
902e6a0c
TR		 718static struct regulator_consumer_supply fixed_5v0_consumers[] = {
719 REGULATOR_SUPPLY("power", "pwm-backlight"),
720};
721
eda6f6ec
RJ		 722static void __init mioa701_machine_init(void)
723{
4c738b25
PZ		 724 int rc;
725
eda6f6ec
RJ		 726 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
727 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
728 RTTR = 32768 - 1; /* Reset crazy WinCE value */
729 UP2OCR = UP2OCR_HXOE;
730
43a90877
RJ		 731 /*
732 * Set up the flash memory : DiskOnChip G3 on first static memory bank
733 */
734 __raw_writel(0x7ff02dd8, MSC0);
735 __raw_writel(0x0001c391, MCMEM0);
736 __raw_writel(0x0001c391, MCATT0);
737 __raw_writel(0x0001c391, MCIO0);
738
739
eda6f6ec 740 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
cc155c6f
RK		 741 pxa_set_ffuart_info(NULL);
742 pxa_set_btuart_info(NULL);
743 pxa_set_stuart_info(NULL);
4c738b25
PZ		 744 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
745 if (rc)
746 pr_err("MioA701: Failed to request GPIOs: %d", rc);
eda6f6ec 747 bootstrap_init();
4321e1a1 748 pxa_set_fb_info(NULL, &mioa701_pxafb_info);
eda6f6ec
RJ		 749 pxa_set_mci_info(&mioa701_mci_info);
750 pxa_set_keypad_info(&mioa701_keypad_info);
cefdb2a4 751 pxa_set_udc_info(&mioa701_udc_info);
cc8d2730 752 pxa_set_ac97_info(&mioa701_ac97_info);
eda6f6ec 753 pm_power_off = mioa701_poweroff;
eda6f6ec
RJ		 754 platform_add_devices(devices, ARRAY_SIZE(devices));
755 gsm_init();
8e7ccddf 756
9752e148 757 i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
8e7ccddf 758 pxa_set_i2c_info(&i2c_pdata);
9752e148 759 pxa27x_set_i2c_power_info(NULL);
8e7ccddf 760 pxa_set_camera_info(&mioa701_pxacamera_platform_data);
902e6a0c
TR		 761
762 regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
763 ARRAY_SIZE(fixed_5v0_consumers),
764 5000000);
eda6f6ec
RJ		 765}
766
767static void mioa701_machine_exit(void)
768{
eda6f6ec
RJ		 769 bootstrap_exit();
770 gsm_exit();
771}
772
773MACHINE_START(MIOA701, "MIO A701")
7375aba6 774 .atag_offset = 0x100,
851982c1 775 .map_io = &pxa27x_map_io,
4e611091 776 .nr_irqs = PXA_NR_IRQS,
eda6f6ec 777 .init_irq = &pxa27x_init_irq,
8a97ae2f 778 .handle_irq = &pxa27x_handle_irq,
eda6f6ec 779 .init_machine = mioa701_machine_init,
6bb27d73 780 .init_time = pxa_timer_init,
271a74fc 781 .restart = mioa701_restart,
eda6f6ec 782MACHINE_END
Linux kernel - Deliverables
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