1/* 2 * Support for CompuLab EM-X270 platform 3 * 4 * Copyright (C) 2007, 2008 CompuLab, Ltd. 5 * Author: Mike Rapoport <mike@compulab.co.il> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#include <linux/irq.h> 13#include <linux/platform_device.h> 14#include <linux/delay.h> 15 16#include <linux/dm9000.h> 17#include <linux/rtc-v3020.h> 18#include <linux/mtd/nand.h> 19#include <linux/mtd/partitions.h> 20#include <linux/mtd/physmap.h> 21#include <linux/input.h> 22#include <linux/gpio_keys.h> 23#include <linux/gpio.h> 24#include <linux/mfd/da903x.h> 25#include <linux/regulator/machine.h> 26#include <linux/spi/spi.h> 27#include <linux/spi/tdo24m.h> 28#include <linux/spi/libertas_spi.h> 29#include <linux/power_supply.h> 30#include <linux/apm-emulation.h> 31#include <linux/i2c.h> 32#include <linux/i2c/pca953x.h> 33#include <linux/regulator/userspace-consumer.h> 34 35#include <media/soc_camera.h> 36 37#include <asm/mach-types.h> 38#include <asm/mach/arch.h> 39 40#include <mach/pxa27x.h> 41#include <mach/pxa27x-udc.h> 42#include <mach/audio.h> 43#include <mach/pxafb.h> 44#include <mach/ohci.h> 45#include <mach/mmc.h> 46#include <mach/pxa27x_keypad.h> 47#include <plat/i2c.h> 48#include <mach/camera.h> 49#include <mach/pxa2xx_spi.h> 50 51#include "generic.h" 52#include "devices.h" 53 54/* EM-X270 specific GPIOs */ 55#define GPIO13_MMC_CD (13) 56#define GPIO95_MMC_WP (95) 57#define GPIO56_NAND_RB (56) 58#define GPIO93_CAM_RESET (93) 59#define GPIO16_USB_HUB_RESET (16) 60 61/* eXeda specific GPIOs */ 62#define GPIO114_MMC_CD (114) 63#define GPIO20_NAND_RB (20) 64#define GPIO38_SD_PWEN (38) 65#define GPIO37_WLAN_RST (37) 66#define GPIO95_TOUCHPAD_INT (95) 67#define GPIO130_CAM_RESET (130) 68#define GPIO10_USB_HUB_RESET (10) 69 70/* common GPIOs */ 71#define GPIO11_NAND_CS (11) 72#define GPIO41_ETHIRQ (41) 73#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ) 74#define GPIO115_WLAN_PWEN (115) 75#define GPIO19_WLAN_STRAP (19) 76#define GPIO9_USB_VBUS_EN (9) 77 78static int mmc_cd; 79static int nand_rb; 80static int dm9000_flags; 81static int cam_reset; 82static int usb_hub_reset; 83 84static unsigned long common_pin_config[] = { 85 /* AC'97 */ 86 GPIO28_AC97_BITCLK, 87 GPIO29_AC97_SDATA_IN_0, 88 GPIO30_AC97_SDATA_OUT, 89 GPIO31_AC97_SYNC, 90 GPIO98_AC97_SYSCLK, 91 GPIO113_AC97_nRESET, 92 93 /* BTUART */ 94 GPIO42_BTUART_RXD, 95 GPIO43_BTUART_TXD, 96 GPIO44_BTUART_CTS, 97 GPIO45_BTUART_RTS, 98 99 /* STUART */ 100 GPIO46_STUART_RXD, 101 GPIO47_STUART_TXD, 102 103 /* MCI controller */ 104 GPIO32_MMC_CLK, 105 GPIO112_MMC_CMD, 106 GPIO92_MMC_DAT_0, 107 GPIO109_MMC_DAT_1, 108 GPIO110_MMC_DAT_2, 109 GPIO111_MMC_DAT_3, 110 111 /* LCD */ 112 GPIOxx_LCD_TFT_16BPP, 113 114 /* QCI */ 115 GPIO84_CIF_FV, 116 GPIO25_CIF_LV, 117 GPIO53_CIF_MCLK, 118 GPIO54_CIF_PCLK, 119 GPIO81_CIF_DD_0, 120 GPIO55_CIF_DD_1, 121 GPIO51_CIF_DD_2, 122 GPIO50_CIF_DD_3, 123 GPIO52_CIF_DD_4, 124 GPIO48_CIF_DD_5, 125 GPIO17_CIF_DD_6, 126 GPIO12_CIF_DD_7, 127 128 /* I2C */ 129 GPIO117_I2C_SCL, 130 GPIO118_I2C_SDA, 131 132 /* Keypad */ 133 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, 134 GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, 135 GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, 136 GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, 137 GPIO39_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, 138 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, 139 GPIO91_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH, 140 GPIO36_KP_MKIN_7 | WAKEUP_ON_LEVEL_HIGH, 141 GPIO103_KP_MKOUT_0, 142 GPIO104_KP_MKOUT_1, 143 GPIO105_KP_MKOUT_2, 144 GPIO106_KP_MKOUT_3, 145 GPIO107_KP_MKOUT_4, 146 GPIO108_KP_MKOUT_5, 147 GPIO96_KP_MKOUT_6, 148 GPIO22_KP_MKOUT_7, 149 150 /* SSP1 */ 151 GPIO26_SSP1_RXD, 152 GPIO23_SSP1_SCLK, 153 GPIO24_SSP1_SFRM, 154 GPIO57_SSP1_TXD, 155 156 /* SSP2 */ 157 GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */ 158 GPIO14_GPIO, 159 GPIO89_SSP2_TXD, 160 GPIO88_SSP2_RXD, 161 162 /* SDRAM and local bus */ 163 GPIO15_nCS_1, 164 GPIO78_nCS_2, 165 GPIO79_nCS_3, 166 GPIO80_nCS_4, 167 GPIO49_nPWE, 168 GPIO18_RDY, 169 170 /* GPIO */ 171 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* sleep/resume button */ 172 173 /* power controls */ 174 GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */ 175 GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */ 176 177 /* NAND controls */ 178 GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ 179 180 /* interrupts */ 181 GPIO41_GPIO, /* DM9000 interrupt */ 182}; 183 184static unsigned long em_x270_pin_config[] = { 185 GPIO13_GPIO, /* MMC card detect */ 186 GPIO16_GPIO, /* USB hub reset */ 187 GPIO56_GPIO, /* NAND Ready/Busy */ 188 GPIO93_GPIO | MFP_LPM_DRIVE_LOW, /* Camera reset */ 189 GPIO95_GPIO, /* MMC Write protect */ 190}; 191 192static unsigned long exeda_pin_config[] = { 193 GPIO10_GPIO, /* USB hub reset */ 194 GPIO20_GPIO, /* NAND Ready/Busy */ 195 GPIO38_GPIO | MFP_LPM_DRIVE_LOW, /* SD slot power */ 196 GPIO95_GPIO, /* touchpad IRQ */ 197 GPIO114_GPIO, /* MMC card detect */ 198}; 199 200#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) 201static struct resource em_x270_dm9000_resource[] = { 202 [0] = { 203 .start = PXA_CS2_PHYS, 204 .end = PXA_CS2_PHYS + 3, 205 .flags = IORESOURCE_MEM, 206 }, 207 [1] = { 208 .start = PXA_CS2_PHYS + 8, 209 .end = PXA_CS2_PHYS + 8 + 0x3f, 210 .flags = IORESOURCE_MEM, 211 }, 212 [2] = { 213 .start = EM_X270_ETHIRQ, 214 .end = EM_X270_ETHIRQ, 215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 216 } 217}; 218 219static struct dm9000_plat_data em_x270_dm9000_platdata = { 220 .flags = DM9000_PLATF_NO_EEPROM, 221}; 222 223static struct platform_device em_x270_dm9000 = { 224 .name = "dm9000", 225 .id = 0, 226 .num_resources = ARRAY_SIZE(em_x270_dm9000_resource), 227 .resource = em_x270_dm9000_resource, 228 .dev = { 229 .platform_data = &em_x270_dm9000_platdata, 230 } 231}; 232 233static void __init em_x270_init_dm9000(void) 234{ 235 em_x270_dm9000_platdata.flags |= dm9000_flags; 236 platform_device_register(&em_x270_dm9000); 237} 238#else 239static inline void em_x270_init_dm9000(void) {} 240#endif 241 242/* V3020 RTC */ 243#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) 244static struct resource em_x270_v3020_resource[] = { 245 [0] = { 246 .start = PXA_CS4_PHYS, 247 .end = PXA_CS4_PHYS + 3, 248 .flags = IORESOURCE_MEM, 249 }, 250}; 251 252static struct v3020_platform_data em_x270_v3020_platdata = { 253 .leftshift = 0, 254}; 255 256static struct platform_device em_x270_rtc = { 257 .name = "v3020", 258 .num_resources = ARRAY_SIZE(em_x270_v3020_resource), 259 .resource = em_x270_v3020_resource, 260 .id = -1, 261 .dev = { 262 .platform_data = &em_x270_v3020_platdata, 263 } 264}; 265 266static void __init em_x270_init_rtc(void) 267{ 268 platform_device_register(&em_x270_rtc); 269} 270#else 271static inline void em_x270_init_rtc(void) {} 272#endif 273 274/* NAND flash */ 275#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) 276static inline void nand_cs_on(void) 277{ 278 gpio_set_value(GPIO11_NAND_CS, 0); 279} 280 281static void nand_cs_off(void) 282{ 283 dsb(); 284 285 gpio_set_value(GPIO11_NAND_CS, 1); 286} 287 288/* hardware specific access to control-lines */ 289static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat, 290 unsigned int ctrl) 291{ 292 struct nand_chip *this = mtd->priv; 293 unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; 294 295 dsb(); 296 297 if (ctrl & NAND_CTRL_CHANGE) { 298 if (ctrl & NAND_ALE) 299 nandaddr |= (1 << 3); 300 else 301 nandaddr &= ~(1 << 3); 302 if (ctrl & NAND_CLE) 303 nandaddr |= (1 << 2); 304 else 305 nandaddr &= ~(1 << 2); 306 if (ctrl & NAND_NCE) 307 nand_cs_on(); 308 else 309 nand_cs_off(); 310 } 311 312 dsb(); 313 this->IO_ADDR_W = (void __iomem *)nandaddr; 314 if (dat != NAND_CMD_NONE) 315 writel(dat, this->IO_ADDR_W); 316 317 dsb(); 318} 319 320/* read device ready pin */ 321static int em_x270_nand_device_ready(struct mtd_info *mtd) 322{ 323 dsb(); 324 325 return gpio_get_value(nand_rb); 326} 327 328static struct mtd_partition em_x270_partition_info[] = { 329 [0] = { 330 .name = "em_x270-0", 331 .offset = 0, 332 .size = SZ_4M, 333 }, 334 [1] = { 335 .name = "em_x270-1", 336 .offset = MTDPART_OFS_APPEND, 337 .size = MTDPART_SIZ_FULL 338 }, 339}; 340 341static const char *em_x270_part_probes[] = { "cmdlinepart", NULL }; 342 343struct platform_nand_data em_x270_nand_platdata = { 344 .chip = { 345 .nr_chips = 1, 346 .chip_offset = 0, 347 .nr_partitions = ARRAY_SIZE(em_x270_partition_info), 348 .partitions = em_x270_partition_info, 349 .chip_delay = 20, 350 .part_probe_types = em_x270_part_probes, 351 }, 352 .ctrl = { 353 .hwcontrol = 0, 354 .dev_ready = em_x270_nand_device_ready, 355 .select_chip = 0, 356 .cmd_ctrl = em_x270_nand_cmd_ctl, 357 }, 358}; 359 360static struct resource em_x270_nand_resource[] = { 361 [0] = { 362 .start = PXA_CS1_PHYS, 363 .end = PXA_CS1_PHYS + 12, 364 .flags = IORESOURCE_MEM, 365 }, 366}; 367 368static struct platform_device em_x270_nand = { 369 .name = "gen_nand", 370 .num_resources = ARRAY_SIZE(em_x270_nand_resource), 371 .resource = em_x270_nand_resource, 372 .id = -1, 373 .dev = { 374 .platform_data = &em_x270_nand_platdata, 375 } 376}; 377 378static void __init em_x270_init_nand(void) 379{ 380 int err; 381 382 err = gpio_request(GPIO11_NAND_CS, "NAND CS"); 383 if (err) { 384 pr_warning("EM-X270: failed to request NAND CS gpio\n"); 385 return; 386 } 387 388 gpio_direction_output(GPIO11_NAND_CS, 1); 389 390 err = gpio_request(nand_rb, "NAND R/B"); 391 if (err) { 392 pr_warning("EM-X270: failed to request NAND R/B gpio\n"); 393 gpio_free(GPIO11_NAND_CS); 394 return; 395 } 396 397 gpio_direction_input(nand_rb); 398 399 platform_device_register(&em_x270_nand); 400} 401#else 402static inline void em_x270_init_nand(void) {} 403#endif 404 405#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) 406static struct mtd_partition em_x270_nor_parts[] = { 407 { 408 .name = "Bootloader", 409 .offset = 0x00000000, 410 .size = 0x00050000, 411 .mask_flags = MTD_WRITEABLE /* force read-only */ 412 }, { 413 .name = "Environment", 414 .offset = 0x00050000, 415 .size = 0x00010000, 416 }, { 417 .name = "Reserved", 418 .offset = 0x00060000, 419 .size = 0x00050000, 420 .mask_flags = MTD_WRITEABLE /* force read-only */ 421 }, { 422 .name = "Splashscreen", 423 .offset = 0x000b0000, 424 .size = 0x00050000, 425 } 426}; 427 428static struct physmap_flash_data em_x270_nor_data[] = { 429 [0] = { 430 .width = 2, 431 .parts = em_x270_nor_parts, 432 .nr_parts = ARRAY_SIZE(em_x270_nor_parts), 433 }, 434}; 435 436static struct resource em_x270_nor_flash_resource = { 437 .start = PXA_CS0_PHYS, 438 .end = PXA_CS0_PHYS + SZ_1M - 1, 439 .flags = IORESOURCE_MEM, 440}; 441 442static struct platform_device em_x270_physmap_flash = { 443 .name = "physmap-flash", 444 .id = 0, 445 .num_resources = 1, 446 .resource = &em_x270_nor_flash_resource, 447 .dev = { 448 .platform_data = &em_x270_nor_data, 449 }, 450}; 451 452static void __init em_x270_init_nor(void) 453{ 454 platform_device_register(&em_x270_physmap_flash); 455} 456#else 457static inline void em_x270_init_nor(void) {} 458#endif 459 460/* PXA27x OHCI controller setup */ 461#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 462static struct regulator *em_x270_usb_ldo; 463 464static int em_x270_usb_hub_init(void) 465{ 466 int err; 467 468 em_x270_usb_ldo = regulator_get(NULL, "vcc usb"); 469 if (IS_ERR(em_x270_usb_ldo)) 470 return PTR_ERR(em_x270_usb_ldo); 471 472 err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en"); 473 if (err) 474 goto err_free_usb_ldo; 475 476 err = gpio_request(usb_hub_reset, "hub rst"); 477 if (err) 478 goto err_free_vbus_gpio; 479 480 /* USB Hub power-on and reset */ 481 gpio_direction_output(usb_hub_reset, 1); 482 gpio_direction_output(GPIO9_USB_VBUS_EN, 0); 483 regulator_enable(em_x270_usb_ldo); 484 gpio_set_value(usb_hub_reset, 0); 485 gpio_set_value(usb_hub_reset, 1); 486 regulator_disable(em_x270_usb_ldo); 487 regulator_enable(em_x270_usb_ldo); 488 gpio_set_value(usb_hub_reset, 0); 489 gpio_set_value(GPIO9_USB_VBUS_EN, 1); 490 491 return 0; 492 493err_free_vbus_gpio: 494 gpio_free(GPIO9_USB_VBUS_EN); 495err_free_usb_ldo: 496 regulator_put(em_x270_usb_ldo); 497 498 return err; 499} 500 501static int em_x270_ohci_init(struct device *dev) 502{ 503 int err; 504 505 /* we don't want to entirely disable USB if the HUB init failed */ 506 err = em_x270_usb_hub_init(); 507 if (err) 508 pr_err("USB Hub initialization failed: %d\n", err); 509 510 /* enable port 2 transiever */ 511 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE; 512 513 return 0; 514} 515 516static void em_x270_ohci_exit(struct device *dev) 517{ 518 gpio_free(usb_hub_reset); 519 gpio_free(GPIO9_USB_VBUS_EN); 520 521 if (!IS_ERR(em_x270_usb_ldo)) { 522 if (regulator_is_enabled(em_x270_usb_ldo)) 523 regulator_disable(em_x270_usb_ldo); 524 525 regulator_put(em_x270_usb_ldo); 526 } 527} 528 529static struct pxaohci_platform_data em_x270_ohci_platform_data = { 530 .port_mode = PMM_PERPORT_MODE, 531 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, 532 .init = em_x270_ohci_init, 533 .exit = em_x270_ohci_exit, 534}; 535 536static void __init em_x270_init_ohci(void) 537{ 538 pxa_set_ohci_info(&em_x270_ohci_platform_data); 539} 540#else 541static inline void em_x270_init_ohci(void) {} 542#endif 543 544/* MCI controller setup */ 545#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) 546static struct regulator *em_x270_sdio_ldo; 547 548static int em_x270_mci_init(struct device *dev, 549 irq_handler_t em_x270_detect_int, 550 void *data) 551{ 552 int err; 553 554 em_x270_sdio_ldo = regulator_get(dev, "vcc sdio"); 555 if (IS_ERR(em_x270_sdio_ldo)) { 556 dev_err(dev, "can't request SDIO power supply: %ld\n", 557 PTR_ERR(em_x270_sdio_ldo)); 558 return PTR_ERR(em_x270_sdio_ldo); 559 } 560 561 err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int, 562 IRQF_DISABLED | IRQF_TRIGGER_RISING | 563 IRQF_TRIGGER_FALLING, 564 "MMC card detect", data); 565 if (err) { 566 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err); 567 goto err_irq; 568 } 569 570 if (machine_is_em_x270()) { 571 err = gpio_request(GPIO95_MMC_WP, "MMC WP"); 572 if (err) { 573 dev_err(dev, "can't request MMC write protect: %d\n", 574 err); 575 goto err_gpio_wp; 576 } 577 gpio_direction_input(GPIO95_MMC_WP); 578 } else { 579 err = gpio_request(GPIO38_SD_PWEN, "sdio power"); 580 if (err) { 581 dev_err(dev, "can't request MMC power control : %d\n", 582 err); 583 goto err_gpio_wp; 584 } 585 gpio_direction_output(GPIO38_SD_PWEN, 1); 586 } 587 588 return 0; 589 590err_gpio_wp: 591 free_irq(gpio_to_irq(mmc_cd), data); 592err_irq: 593 regulator_put(em_x270_sdio_ldo); 594 595 return err; 596} 597 598static void em_x270_mci_setpower(struct device *dev, unsigned int vdd) 599{ 600 struct pxamci_platform_data* p_d = dev->platform_data; 601 602 if ((1 << vdd) & p_d->ocr_mask) { 603 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000; 604 605 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV); 606 regulator_enable(em_x270_sdio_ldo); 607 } else { 608 regulator_disable(em_x270_sdio_ldo); 609 } 610} 611 612static void em_x270_mci_exit(struct device *dev, void *data) 613{ 614 free_irq(gpio_to_irq(mmc_cd), data); 615 regulator_put(em_x270_sdio_ldo); 616 617 if (machine_is_em_x270()) 618 gpio_free(GPIO95_MMC_WP); 619 else 620 gpio_free(GPIO38_SD_PWEN); 621} 622 623static int em_x270_mci_get_ro(struct device *dev) 624{ 625 return gpio_get_value(GPIO95_MMC_WP); 626} 627 628static struct pxamci_platform_data em_x270_mci_platform_data = { 629 .detect_delay_ms = 250, 630 .ocr_mask = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23| 631 MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27| 632 MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30| 633 MMC_VDD_30_31|MMC_VDD_31_32, 634 .init = em_x270_mci_init, 635 .setpower = em_x270_mci_setpower, 636 .exit = em_x270_mci_exit, 637 .gpio_card_detect = -1, 638 .gpio_card_ro = -1, 639 .gpio_power = -1, 640}; 641 642static void __init em_x270_init_mmc(void) 643{ 644 if (machine_is_em_x270()) 645 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro; 646 647 pxa_set_mci_info(&em_x270_mci_platform_data); 648} 649#else 650static inline void em_x270_init_mmc(void) {} 651#endif 652 653/* LCD */ 654#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 655static struct pxafb_mode_info em_x270_lcd_modes[] = { 656 [0] = { 657 .pixclock = 38250, 658 .bpp = 16, 659 .xres = 480, 660 .yres = 640, 661 .hsync_len = 8, 662 .vsync_len = 2, 663 .left_margin = 8, 664 .upper_margin = 2, 665 .right_margin = 24, 666 .lower_margin = 4, 667 .sync = 0, 668 }, 669 [1] = { 670 .pixclock = 153800, 671 .bpp = 16, 672 .xres = 240, 673 .yres = 320, 674 .hsync_len = 8, 675 .vsync_len = 2, 676 .left_margin = 8, 677 .upper_margin = 2, 678 .right_margin = 88, 679 .lower_margin = 2, 680 .sync = 0, 681 }, 682}; 683 684static struct pxafb_mach_info em_x270_lcd = { 685 .modes = em_x270_lcd_modes, 686 .num_modes = 2, 687 .lcd_conn = LCD_COLOR_TFT_16BPP, 688}; 689 690static void __init em_x270_init_lcd(void) 691{ 692 set_pxa_fb_info(&em_x270_lcd); 693} 694#else 695static inline void em_x270_init_lcd(void) {} 696#endif 697 698#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) 699static struct pxa2xx_spi_master em_x270_spi_info = { 700 .num_chipselect = 1, 701}; 702 703static struct pxa2xx_spi_chip em_x270_tdo24m_chip = { 704 .rx_threshold = 1, 705 .tx_threshold = 1, 706 .gpio_cs = -1, 707}; 708 709static struct tdo24m_platform_data em_x270_tdo24m_pdata = { 710 .model = TDO35S, 711}; 712 713static struct pxa2xx_spi_master em_x270_spi_2_info = { 714 .num_chipselect = 1, 715 .enable_dma = 1, 716}; 717 718static struct pxa2xx_spi_chip em_x270_libertas_chip = { 719 .rx_threshold = 1, 720 .tx_threshold = 1, 721 .timeout = 1000, 722 .gpio_cs = 14, 723}; 724 725static unsigned long em_x270_libertas_pin_config[] = { 726 /* SSP2 */ 727 GPIO19_SSP2_SCLK, 728 GPIO14_GPIO, 729 GPIO89_SSP2_TXD, 730 GPIO88_SSP2_RXD, 731}; 732 733static int em_x270_libertas_setup(struct spi_device *spi) 734{ 735 int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN"); 736 if (err) 737 return err; 738 739 err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP"); 740 if (err) 741 goto err_free_pwen; 742 743 if (machine_is_exeda()) { 744 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST"); 745 if (err) 746 goto err_free_strap; 747 748 gpio_direction_output(GPIO37_WLAN_RST, 1); 749 msleep(100); 750 } 751 752 gpio_direction_output(GPIO19_WLAN_STRAP, 1); 753 msleep(100); 754 755 pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config)); 756 757 gpio_direction_output(GPIO115_WLAN_PWEN, 0); 758 msleep(100); 759 gpio_set_value(GPIO115_WLAN_PWEN, 1); 760 msleep(100); 761 762 spi->bits_per_word = 16; 763 spi_setup(spi); 764 765 return 0; 766 767err_free_strap: 768 gpio_free(GPIO19_WLAN_STRAP); 769err_free_pwen: 770 gpio_free(GPIO115_WLAN_PWEN); 771 772 return err; 773} 774 775static int em_x270_libertas_teardown(struct spi_device *spi) 776{ 777 gpio_set_value(GPIO115_WLAN_PWEN, 0); 778 gpio_free(GPIO115_WLAN_PWEN); 779 gpio_free(GPIO19_WLAN_STRAP); 780 781 if (machine_is_exeda()) { 782 gpio_set_value(GPIO37_WLAN_RST, 0); 783 gpio_free(GPIO37_WLAN_RST); 784 } 785 786 return 0; 787} 788 789struct libertas_spi_platform_data em_x270_libertas_pdata = { 790 .use_dummy_writes = 1, 791 .setup = em_x270_libertas_setup, 792 .teardown = em_x270_libertas_teardown, 793}; 794 795static struct spi_board_info em_x270_spi_devices[] __initdata = { 796 { 797 .modalias = "tdo24m", 798 .max_speed_hz = 1000000, 799 .bus_num = 1, 800 .chip_select = 0, 801 .controller_data = &em_x270_tdo24m_chip, 802 .platform_data = &em_x270_tdo24m_pdata, 803 }, 804 { 805 .modalias = "libertas_spi", 806 .max_speed_hz = 13000000, 807 .bus_num = 2, 808 .irq = IRQ_GPIO(116), 809 .chip_select = 0, 810 .controller_data = &em_x270_libertas_chip, 811 .platform_data = &em_x270_libertas_pdata, 812 }, 813}; 814 815static void __init em_x270_init_spi(void) 816{ 817 pxa2xx_set_spi_info(1, &em_x270_spi_info); 818 pxa2xx_set_spi_info(2, &em_x270_spi_2_info); 819 spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices)); 820} 821#else 822static inline void em_x270_init_spi(void) {} 823#endif 824 825#if defined(CONFIG_SND_PXA2XX_LIB_AC97) 826static pxa2xx_audio_ops_t em_x270_ac97_info = { 827 .reset_gpio = 113, 828}; 829 830static void __init em_x270_init_ac97(void) 831{ 832 pxa_set_ac97_info(&em_x270_ac97_info); 833} 834#else 835static inline void em_x270_init_ac97(void) {} 836#endif 837 838#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 839static unsigned int em_x270_module_matrix_keys[] = { 840 KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B), 841 KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT), 842 KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D), 843}; 844 845struct pxa27x_keypad_platform_data em_x270_module_keypad_info = { 846 /* code map for the matrix keys */ 847 .matrix_key_rows = 3, 848 .matrix_key_cols = 3, 849 .matrix_key_map = em_x270_module_matrix_keys, 850 .matrix_key_map_size = ARRAY_SIZE(em_x270_module_matrix_keys), 851}; 852 853static unsigned int em_x270_exeda_matrix_keys[] = { 854 KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL), 855 KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE), 856 KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL), 857 KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH), 858 859 KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M), 860 KEY(1, 2, KEY_N), KEY(1, 3, KEY_B), 861 KEY(1, 4, KEY_V), KEY(1, 5, KEY_C), 862 KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z), 863 864 KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON), 865 KEY(2, 2, KEY_L), KEY(2, 3, KEY_K), 866 KEY(2, 4, KEY_J), KEY(2, 5, KEY_H), 867 KEY(2, 6, KEY_G), KEY(2, 7, KEY_F), 868 869 KEY(3, 0, KEY_D), KEY(3, 1, KEY_S), 870 KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB), 871 KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P), 872 KEY(3, 6, KEY_O), KEY(3, 7, KEY_I), 873 874 KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y), 875 KEY(4, 2, KEY_T), KEY(4, 3, KEY_R), 876 KEY(4, 4, KEY_E), KEY(4, 5, KEY_W), 877 KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS), 878 879 KEY(5, 0, KEY_0), KEY(5, 1, KEY_9), 880 KEY(5, 2, KEY_8), KEY(5, 3, KEY_7), 881 KEY(5, 4, KEY_6), KEY(5, 5, KEY_5), 882 KEY(5, 6, KEY_4), KEY(5, 7, KEY_3), 883 884 KEY(6, 0, KEY_2), KEY(6, 1, KEY_1), 885 KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END), 886 KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP), 887 KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1), 888 889 KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT), 890 KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME), 891 KEY(7, 4, 0), KEY(7, 5, 0), 892 KEY(7, 6, 0), KEY(7, 7, 0), 893}; 894 895struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = { 896 /* code map for the matrix keys */ 897 .matrix_key_rows = 8, 898 .matrix_key_cols = 8, 899 .matrix_key_map = em_x270_exeda_matrix_keys, 900 .matrix_key_map_size = ARRAY_SIZE(em_x270_exeda_matrix_keys), 901}; 902 903static void __init em_x270_init_keypad(void) 904{ 905 if (machine_is_em_x270()) 906 pxa_set_keypad_info(&em_x270_module_keypad_info); 907 else 908 pxa_set_keypad_info(&em_x270_exeda_keypad_info); 909} 910#else 911static inline void em_x270_init_keypad(void) {} 912#endif 913 914#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) 915static struct gpio_keys_button gpio_keys_button[] = { 916 [0] = { 917 .desc = "sleep/wakeup", 918 .code = KEY_SUSPEND, 919 .type = EV_PWR, 920 .gpio = 1, 921 .wakeup = 1, 922 }, 923}; 924 925static struct gpio_keys_platform_data em_x270_gpio_keys_data = { 926 .buttons = gpio_keys_button, 927 .nbuttons = 1, 928}; 929 930static struct platform_device em_x270_gpio_keys = { 931 .name = "gpio-keys", 932 .id = -1, 933 .dev = { 934 .platform_data = &em_x270_gpio_keys_data, 935 }, 936}; 937 938static void __init em_x270_init_gpio_keys(void) 939{ 940 platform_device_register(&em_x270_gpio_keys); 941} 942#else 943static inline void em_x270_init_gpio_keys(void) {} 944#endif 945 946/* Quick Capture Interface and sensor setup */ 947#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE) 948static struct regulator *em_x270_camera_ldo; 949 950static int em_x270_sensor_init(void) 951{ 952 int ret; 953 954 ret = gpio_request(cam_reset, "camera reset"); 955 if (ret) 956 return ret; 957 958 gpio_direction_output(cam_reset, 0); 959 960 em_x270_camera_ldo = regulator_get(NULL, "vcc cam"); 961 if (em_x270_camera_ldo == NULL) { 962 gpio_free(cam_reset); 963 return -ENODEV; 964 } 965 966 ret = regulator_enable(em_x270_camera_ldo); 967 if (ret) { 968 regulator_put(em_x270_camera_ldo); 969 gpio_free(cam_reset); 970 return ret; 971 } 972 973 gpio_set_value(cam_reset, 1); 974 975 return 0; 976} 977 978struct pxacamera_platform_data em_x270_camera_platform_data = { 979 .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | 980 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, 981 .mclk_10khz = 2600, 982}; 983 984static int em_x270_sensor_power(struct device *dev, int on) 985{ 986 int ret; 987 int is_on = regulator_is_enabled(em_x270_camera_ldo); 988 989 if (on == is_on) 990 return 0; 991 992 gpio_set_value(cam_reset, !on); 993 994 if (on) 995 ret = regulator_enable(em_x270_camera_ldo); 996 else 997 ret = regulator_disable(em_x270_camera_ldo); 998 999 if (ret) 1000 return ret; 1001 1002 gpio_set_value(cam_reset, on); 1003 1004 return 0; 1005} 1006 1007static struct i2c_board_info em_x270_i2c_cam_info[] = { 1008 { 1009 I2C_BOARD_INFO("mt9m111", 0x48), 1010 }, 1011}; 1012 1013static struct soc_camera_link iclink = { 1014 .bus_id = 0, 1015 .power = em_x270_sensor_power, 1016 .board_info = &em_x270_i2c_cam_info[0], 1017 .i2c_adapter_id = 0, 1018 .module_name = "mt9m111", 1019}; 1020 1021static struct platform_device em_x270_camera = { 1022 .name = "soc-camera-pdrv", 1023 .id = -1, 1024 .dev = { 1025 .platform_data = &iclink, 1026 }, 1027}; 1028 1029static void __init em_x270_init_camera(void) 1030{ 1031 if (em_x270_sensor_init() == 0) { 1032 pxa_set_camera_info(&em_x270_camera_platform_data); 1033 platform_device_register(&em_x270_camera); 1034 } 1035} 1036#else 1037static inline void em_x270_init_camera(void) {} 1038#endif 1039 1040static struct regulator_bulk_data em_x270_gps_consumer_supply = { 1041 .supply = "vcc gps", 1042}; 1043 1044static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = { 1045 .name = "vcc gps", 1046 .num_supplies = 1, 1047 .supplies = &em_x270_gps_consumer_supply, 1048}; 1049 1050static struct platform_device em_x270_gps_userspace_consumer = { 1051 .name = "reg-userspace-consumer", 1052 .id = 0, 1053 .dev = { 1054 .platform_data = &em_x270_gps_consumer_data, 1055 }, 1056}; 1057 1058static struct regulator_bulk_data em_x270_gprs_consumer_supply = { 1059 .supply = "vcc gprs", 1060}; 1061 1062static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = { 1063 .name = "vcc gprs", 1064 .num_supplies = 1, 1065 .supplies = &em_x270_gprs_consumer_supply 1066}; 1067 1068static struct platform_device em_x270_gprs_userspace_consumer = { 1069 .name = "reg-userspace-consumer", 1070 .id = 1, 1071 .dev = { 1072 .platform_data = &em_x270_gprs_consumer_data, 1073 } 1074}; 1075 1076static struct platform_device *em_x270_userspace_consumers[] = { 1077 &em_x270_gps_userspace_consumer, 1078 &em_x270_gprs_userspace_consumer, 1079}; 1080 1081static void __init em_x270_userspace_consumers_init(void) 1082{ 1083 platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers)); 1084} 1085 1086/* DA9030 related initializations */ 1087#define REGULATOR_CONSUMER(_name, _dev, _supply) \ 1088 static struct regulator_consumer_supply _name##_consumers[] = { \ 1089 { \ 1090 .dev = _dev, \ 1091 .supply = _supply, \ 1092 }, \ 1093 } 1094 1095REGULATOR_CONSUMER(ldo3, &em_x270_gps_userspace_consumer.dev, "vcc gps"); 1096REGULATOR_CONSUMER(ldo5, NULL, "vcc cam"); 1097REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio"); 1098REGULATOR_CONSUMER(ldo12, NULL, "vcc usb"); 1099REGULATOR_CONSUMER(ldo19, &em_x270_gprs_userspace_consumer.dev, "vcc gprs"); 1100REGULATOR_CONSUMER(buck2, NULL, "vcc_core"); 1101 1102#define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask) \ 1103 static struct regulator_init_data _ldo##_data = { \ 1104 .constraints = { \ 1105 .min_uV = _min_uV, \ 1106 .max_uV = _max_uV, \ 1107 .state_mem = { \ 1108 .enabled = 0, \ 1109 }, \ 1110 .valid_ops_mask = _ops_mask, \ 1111 .apply_uV = 1, \ 1112 }, \ 1113 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers), \ 1114 .consumer_supplies = _ldo##_consumers, \ 1115 }; 1116 1117REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS); 1118REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS); 1119REGULATOR_INIT(ldo10, 2000000, 3200000, 1120 REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE); 1121REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS); 1122REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS); 1123REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE); 1124 1125struct led_info em_x270_led_info = { 1126 .name = "em-x270:orange", 1127 .default_trigger = "battery-charging-or-full", 1128}; 1129 1130struct power_supply_info em_x270_psy_info = { 1131 .name = "battery", 1132 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO, 1133 .voltage_max_design = 4200000, 1134 .voltage_min_design = 3000000, 1135 .use_for_apm = 1, 1136}; 1137 1138static void em_x270_battery_low(void) 1139{ 1140#if defined(CONFIG_APM_EMULATION) 1141 apm_queue_event(APM_LOW_BATTERY); 1142#endif 1143} 1144 1145static void em_x270_battery_critical(void) 1146{ 1147#if defined(CONFIG_APM_EMULATION) 1148 apm_queue_event(APM_CRITICAL_SUSPEND); 1149#endif 1150} 1151 1152struct da9030_battery_info em_x270_batterty_info = { 1153 .battery_info = &em_x270_psy_info, 1154 1155 .charge_milliamp = 1000, 1156 .charge_millivolt = 4200, 1157 1158 .vbat_low = 3600, 1159 .vbat_crit = 3400, 1160 .vbat_charge_start = 4100, 1161 .vbat_charge_stop = 4200, 1162 .vbat_charge_restart = 4000, 1163 1164 .vcharge_min = 3200, 1165 .vcharge_max = 5500, 1166 1167 .tbat_low = 197, 1168 .tbat_high = 78, 1169 .tbat_restart = 100, 1170 1171 .batmon_interval = 0, 1172 1173 .battery_low = em_x270_battery_low, 1174 .battery_critical = em_x270_battery_critical, 1175}; 1176 1177#define DA9030_SUBDEV(_name, _id, _pdata) \ 1178 { \ 1179 .name = "da903x-" #_name, \ 1180 .id = DA9030_ID_##_id, \ 1181 .platform_data = _pdata, \ 1182 } 1183 1184#define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data) 1185 1186struct da903x_subdev_info em_x270_da9030_subdevs[] = { 1187 DA9030_LDO(3), 1188 DA9030_LDO(5), 1189 DA9030_LDO(10), 1190 DA9030_LDO(12), 1191 DA9030_LDO(19), 1192 1193 DA9030_SUBDEV(regulator, BUCK2, &buck2_data), 1194 1195 DA9030_SUBDEV(led, LED_PC, &em_x270_led_info), 1196 DA9030_SUBDEV(backlight, WLED, &em_x270_led_info), 1197 DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info), 1198}; 1199 1200static struct da903x_platform_data em_x270_da9030_info = { 1201 .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs), 1202 .subdevs = em_x270_da9030_subdevs, 1203}; 1204 1205static struct i2c_board_info em_x270_i2c_pmic_info = { 1206 I2C_BOARD_INFO("da9030", 0x49), 1207 .irq = IRQ_GPIO(0), 1208 .platform_data = &em_x270_da9030_info, 1209}; 1210 1211static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = { 1212 .use_pio = 1, 1213}; 1214 1215static void __init em_x270_init_da9030(void) 1216{ 1217 pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info); 1218 i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1); 1219} 1220 1221static struct pca953x_platform_data exeda_gpio_ext_pdata = { 1222 .gpio_base = 128, 1223}; 1224 1225static struct i2c_board_info exeda_i2c_info[] = { 1226 { 1227 I2C_BOARD_INFO("pca9555", 0x21), 1228 .platform_data = &exeda_gpio_ext_pdata, 1229 }, 1230}; 1231 1232static struct i2c_pxa_platform_data em_x270_i2c_info = { 1233 .fast_mode = 1, 1234}; 1235 1236static void __init em_x270_init_i2c(void) 1237{ 1238 pxa_set_i2c_info(&em_x270_i2c_info); 1239 1240 if (machine_is_exeda()) 1241 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info)); 1242} 1243 1244static void __init em_x270_module_init(void) 1245{ 1246 pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config)); 1247 1248 mmc_cd = GPIO13_MMC_CD; 1249 nand_rb = GPIO56_NAND_RB; 1250 dm9000_flags = DM9000_PLATF_32BITONLY; 1251 cam_reset = GPIO93_CAM_RESET; 1252 usb_hub_reset = GPIO16_USB_HUB_RESET; 1253} 1254 1255static void __init em_x270_exeda_init(void) 1256{ 1257 pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config)); 1258 1259 mmc_cd = GPIO114_MMC_CD; 1260 nand_rb = GPIO20_NAND_RB; 1261 dm9000_flags = DM9000_PLATF_16BITONLY; 1262 cam_reset = GPIO130_CAM_RESET; 1263 usb_hub_reset = GPIO10_USB_HUB_RESET; 1264} 1265 1266static void __init em_x270_init(void) 1267{ 1268 pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config)); 1269 1270 pxa_set_ffuart_info(NULL); 1271 pxa_set_btuart_info(NULL); 1272 pxa_set_stuart_info(NULL); 1273 1274#ifdef CONFIG_PM 1275 pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP); 1276#endif 1277 1278 if (machine_is_em_x270()) 1279 em_x270_module_init(); 1280 else if (machine_is_exeda()) 1281 em_x270_exeda_init(); 1282 else 1283 panic("Unsupported machine: %d\n", machine_arch_type); 1284 1285 em_x270_init_da9030(); 1286 em_x270_init_dm9000(); 1287 em_x270_init_rtc(); 1288 em_x270_init_nand(); 1289 em_x270_init_nor(); 1290 em_x270_init_lcd(); 1291 em_x270_init_mmc(); 1292 em_x270_init_ohci(); 1293 em_x270_init_keypad(); 1294 em_x270_init_gpio_keys(); 1295 em_x270_init_ac97(); 1296 em_x270_init_spi(); 1297 em_x270_init_i2c(); 1298 em_x270_init_camera(); 1299 em_x270_userspace_consumers_init(); 1300} 1301 1302MACHINE_START(EM_X270, "Compulab EM-X270") 1303 .boot_params = 0xa0000100, 1304 .phys_io = 0x40000000, 1305 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 1306 .map_io = pxa_map_io, 1307 .init_irq = pxa27x_init_irq, 1308 .timer = &pxa_timer, 1309 .init_machine = em_x270_init, 1310MACHINE_END 1311 1312MACHINE_START(EXEDA, "Compulab eXeda") 1313 .boot_params = 0xa0000100, 1314 .phys_io = 0x40000000, 1315 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 1316 .map_io = pxa_map_io, 1317 .init_irq = pxa27x_init_irq, 1318 .timer = &pxa_timer, 1319 .init_machine = em_x270_init, 1320MACHINE_END 1321