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/reboot.h> 41#include <linux/regulator/fixed.h> 42#include <linux/regulator/max1586.h> 43#include <linux/slab.h> 44#include <linux/i2c/pxa-i2c.h> 45 46#include <asm/mach-types.h> 47#include <asm/mach/arch.h> 48 49#include <mach/pxa27x.h> 50#include <mach/regs-rtc.h> 51#include <linux/platform_data/keypad-pxa27x.h> 52#include <linux/platform_data/video-pxafb.h> 53#include <linux/platform_data/mmc-pxamci.h> 54#include <mach/udc.h> 55#include <mach/pxa27x-udc.h> 56#include <linux/platform_data/camera-pxa.h> 57#include <mach/audio.h> 58#include <mach/smemc.h> 59#include <media/soc_camera.h> 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 */ 68 MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), 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), 72 MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), 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 */ 89 MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), 90 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), 91 92 /* LCD */ 93 GPIOxx_LCD_TFT_16BPP, 94 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, 108 MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW), 109 110 /* Bluetooth */ 111 MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), 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), 117 MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), 118 MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), 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 */ 145 GPIO28_AC97_BITCLK, 146 GPIO29_AC97_SDATA_IN_0, 147 GPIO30_AC97_SDATA_OUT, 148 GPIO31_AC97_SYNC, 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, 169 170 /* I2C */ 171 GPIO117_I2C_SCL, 172 GPIO118_I2C_SDA, 173 174 /* Unknown */ 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), 180 MFP_CFG_IN(GPIO96, AF0), 181 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), 182}; 183 184/* 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 */ 190 .enable_gpio = -1, 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 */ 228static const unsigned int mioa701_matrix_keys[] = { 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}; 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 245static struct pxa27x_keypad_platform_data mioa701_keypad_info = { 246 .matrix_key_rows = 3, 247 .matrix_key_cols = 3, 248 .matrix_keymap_data = &mioa701_matrix_keymap_data, 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 315static struct gpio gsm_gpios[] = { 316 { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" }, 317 { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" }, 318}; 319 320static int __init gsm_init(void) 321{ 322 int rc; 323 324 rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios)); 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"); 338 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); 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); 347 gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); 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 */ 371static int is_usb_connected(void) 372{ 373 return !gpio_get_value(GPIO13_nUSB_DETECT); 374} 375 376static struct pxa2xx_udc_mach_info mioa701_udc_info = { 377 .udc_is_connected = is_usb_connected, 378 .gpio_pullup = GPIO22_USB_ENABLE, 379}; 380 381struct gpio_vbus_mach_info gpio_vbus_data = { 382 .gpio_vbus = GPIO13_nUSB_DETECT, 383 .gpio_vbus_inverted = 1, 384 .gpio_pullup = -1, 385}; 386 387/* 388 * SDIO/MMC Card controller 389 */ 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 */ 394static struct pxamci_platform_data mioa701_mci_info = { 395 .detect_delay_ms = 250, 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, 400}; 401 402/* FlashRAM */ 403static struct resource docg3_resource = { 404 .start = PXA_CS0_PHYS, 405 .end = PXA_CS0_PHYS + SZ_8K - 1, 406 .flags = IORESOURCE_MEM, 407}; 408 409static struct platform_device docg3 = { 410 .name = "docg3", 411 .id = -1, 412 .resource = &docg3_resource, 413 .num_resources = 1, 414 .dev = { 415 .platform_data = NULL, 416 }, 417}; 418 419/* 420 * Suspend/Resume bootstrap management 421 * 422 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled, 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 452static int mioa701_sys_suspend(void) 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 */ 461 is_bt_on = !!gpio_get_value(GPIO83_BT_ON); 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 478static void mioa701_sys_resume(void) 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++]; 491} 492 493static struct syscore_ops mioa701_syscore_ops = { 494 .suspend = mioa701_sys_suspend, 495 .resume = mioa701_sys_resume, 496}; 497 498static int __init bootstrap_init(void) 499{ 500 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); 501 502 register_syscore_ops(&mioa701_syscore_ops); 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); 515 unregister_syscore_ops(&mioa701_syscore_ops); 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 528static int is_ac_connected(void) 529{ 530 return gpio_get_value(GPIO96_AC_DETECT); 531} 532 533static void mioa701_set_charge(int flags) 534{ 535 gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); 536} 537 538static struct pda_power_pdata power_pdata = { 539 .is_ac_online = is_ac_connected, 540 .is_usb_online = is_usb_connected, 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", 549 .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), 550 .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), 551 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | 552 IORESOURCE_IRQ_LOWEDGE, 553 }, 554 [1] = { 555 .name = "usb", 556 .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), 557 .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), 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 573static struct wm97xx_batt_pdata mioa701_battery_data = { 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", 583}; 584 585static struct wm97xx_pdata mioa701_wm97xx_pdata = { 586 .batt_pdata = &mioa701_battery_data, 587}; 588 589/* 590 * Voltage regulation 591 */ 592static struct regulator_consumer_supply max1586_consumers[] = { 593 REGULATOR_SUPPLY("vcc_core", NULL), 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), 616 .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ 617}; 618 619/* 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, 626}; 627 628static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { 629 { 630 I2C_BOARD_INFO("max1586", 0x14), 631 .platform_data = &max1586_info, 632 }, 633}; 634 635/* Board I2C devices. */ 636static struct i2c_board_info mioa701_i2c_devices[] = { 637 { 638 I2C_BOARD_INFO("mt9m111", 0x5d), 639 }, 640}; 641 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, 646}; 647 648struct i2c_pxa_platform_data i2c_pdata = { 649 .fast_mode = 1, 650}; 651 652static pxa2xx_audio_ops_t mioa701_ac97_info = { 653 .reset_gpio = 95, 654 .codec_pdata = { &mioa701_wm97xx_pdata, }, 655}; 656 657/* 658 * Mio global 659 */ 660 661/* Devices */ 662#define MIO_PARENT_DEV(var, strname, tparent, pdata) \ 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) 679MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) 680MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) 681MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); 682MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink); 683 684static struct platform_device *devices[] __initdata = { 685 &mioa701_gpio_keys, 686 &mioa701_backlight, 687 &mioa701_led, 688 &pxa2xx_pcm, 689 &mioa701_sound, 690 &power_dev, 691 &docg3, 692 &gpio_vbus, 693 &mioa701_camera, 694 &mioa701_board, 695}; 696 697static void mioa701_machine_exit(void); 698 699static void mioa701_poweroff(void) 700{ 701 mioa701_machine_exit(); 702 pxa_restart(REBOOT_SOFT, NULL); 703} 704 705static void mioa701_restart(enum reboot_mode c, const char *cmd) 706{ 707 mioa701_machine_exit(); 708 pxa_restart(REBOOT_SOFT, cmd); 709} 710 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" }, 715 { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" }, 716}; 717 718static struct regulator_consumer_supply fixed_5v0_consumers[] = { 719 REGULATOR_SUPPLY("power", "pwm-backlight"), 720}; 721 722static void __init mioa701_machine_init(void) 723{ 724 int rc; 725 726 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; 730 731 /* 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); 738 739 740 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); 741 pxa_set_ffuart_info(NULL); 742 pxa_set_btuart_info(NULL); 743 pxa_set_stuart_info(NULL); 744 rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); 745 if (rc) 746 pr_err("MioA701: Failed to request GPIOs: %d", rc); 747 bootstrap_init(); 748 pxa_set_fb_info(NULL, &mioa701_pxafb_info); 749 pxa_set_mci_info(&mioa701_mci_info); 750 pxa_set_keypad_info(&mioa701_keypad_info); 751 pxa_set_udc_info(&mioa701_udc_info); 752 pxa_set_ac97_info(&mioa701_ac97_info); 753 pm_power_off = mioa701_poweroff; 754 platform_add_devices(devices, ARRAY_SIZE(devices)); 755 gsm_init(); 756 757 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} 766 767static void mioa701_machine_exit(void) 768{ 769 bootstrap_exit(); 770 gsm_exit(); 771} 772 773MACHINE_START(MIOA701, "MIO A701") 774 .atag_offset = 0x100, 775 .map_io = &pxa27x_map_io, 776 .nr_irqs = PXA_NR_IRQS, 777 .init_irq = &pxa27x_init_irq, 778 .handle_irq = &pxa27x_handle_irq, 779 .init_machine = mioa701_machine_init, 780 .init_time = pxa_timer_init, 781 .restart = mioa701_restart, 782MACHINE_END 783