release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/stargate2.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/stargate2.c
   3  *
   4  *  Author:     Ed C. Epp
   5  *  Created:    Nov 05, 2002
   6  *  Copyright:  Intel Corp.
   7  *
   8  *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License version 2 as
  12  *  published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/init.h>
  16 #include <linux/device.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/sched.h>
  19 #include <linux/bitops.h>
  20 #include <linux/fb.h>
  21 #include <linux/delay.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/regulator/machine.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/plat-ram.h>
  26 #include <linux/mtd/partitions.h>
  27
  28 #include <linux/i2c/pcf857x.h>
  29 #include <linux/i2c/at24.h>
  30 #include <linux/smc91x.h>
  31 #include <linux/gpio.h>
  32 #include <linux/leds.h>
  33
  34 #include <asm/types.h>
  35 #include <asm/setup.h>
  36 #include <asm/memory.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/irq.h>
  39
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach/irq.h>
  43 #include <asm/mach/flash.h>
  44
  45 #include <mach/pxa27x.h>
  46 #include <plat/i2c.h>
  47 #include <mach/mmc.h>
  48 #include <mach/udc.h>
  49 #include <mach/pxa2xx_spi.h>
  50 #include <mach/pxa27x-udc.h>
  51
  52 #include <linux/spi/spi.h>
  53 #include <linux/mfd/da903x.h>
  54 #include <linux/sht15.h>
  55
  56 #include "devices.h"
  57 #include "generic.h"
  58
  59 /* Bluetooth */
  60 #define SG2_BT_RESET            81
  61
  62 /* SD */
  63 #define SG2_GPIO_nSD_DETECT     90
  64 #define SG2_SD_POWER_ENABLE     89
  65
  66 static unsigned long sg2_im2_unified_pin_config[] __initdata = {
  67         /* Device Identification for wakeup*/
  68         GPIO102_GPIO,
  69         /* DA9030 */
  70         GPIO1_GPIO,
  71
  72         /* MMC */
  73         GPIO32_MMC_CLK,
  74         GPIO112_MMC_CMD,
  75         GPIO92_MMC_DAT_0,
  76         GPIO109_MMC_DAT_1,
  77         GPIO110_MMC_DAT_2,
  78         GPIO111_MMC_DAT_3,
  79
  80         /* 802.15.4 radio - driver out of mainline */
  81         GPIO22_GPIO,                    /* CC_RSTN */
  82         GPIO114_GPIO,                   /* CC_FIFO */
  83         GPIO116_GPIO,                   /* CC_CCA */
  84         GPIO0_GPIO,                     /* CC_FIFOP */
  85         GPIO16_GPIO,                    /* CCSFD */
  86         GPIO115_GPIO,                   /* Power enable */
  87
  88         /* I2C */
  89         GPIO117_I2C_SCL,
  90         GPIO118_I2C_SDA,
  91
  92         /* SSP 3 - 802.15.4 radio */
  93         GPIO39_GPIO,                    /* Chip Select */
  94         GPIO34_SSP3_SCLK,
  95         GPIO35_SSP3_TXD,
  96         GPIO41_SSP3_RXD,
  97
  98         /* SSP 2 to daughter boards */
  99         GPIO11_SSP2_RXD,
 100         GPIO38_SSP2_TXD,
 101         GPIO36_SSP2_SCLK,
 102         GPIO37_GPIO, /* chip select */
 103
 104         /* SSP 1 - to daughter boards */
 105         GPIO24_GPIO,                    /* Chip Select */
 106         GPIO23_SSP1_SCLK,
 107         GPIO25_SSP1_TXD,
 108         GPIO26_SSP1_RXD,
 109
 110         /* BTUART Basic Connector*/
 111         GPIO42_BTUART_RXD,
 112         GPIO43_BTUART_TXD,
 113         GPIO44_BTUART_CTS,
 114         GPIO45_BTUART_RTS,
 115
 116         /* STUART  - IM2 via debug board not sure on SG2*/
 117         GPIO46_STUART_RXD,
 118         GPIO47_STUART_TXD,
 119
 120         /* Basic sensor board */
 121         GPIO96_GPIO,    /* accelerometer interrupt */
 122         GPIO99_GPIO,    /* ADC interrupt */
 123
 124         /* SHT15 */
 125         GPIO100_GPIO,
 126         GPIO98_GPIO,
 127
 128         /* Basic sensor board */
 129         GPIO96_GPIO,    /* accelerometer interrupt */
 130         GPIO99_GPIO,    /* ADC interrupt */
 131
 132         /* Connector pins specified as gpios */
 133         GPIO94_GPIO, /* large basic connector pin 14 */
 134         GPIO10_GPIO, /* large basic connector pin 23 */
 135 };
 136
 137 static struct sht15_platform_data platform_data_sht15 = {
 138         .gpio_data =  100,
 139         .gpio_sck  =  98,
 140 };
 141
 142 static struct platform_device sht15 = {
 143         .name = "sht15",
 144         .id = -1,
 145         .dev = {
 146                 .platform_data = &platform_data_sht15,
 147         },
 148 };
 149
 150 static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 151         {
 152                 .dev = &sht15.dev,
 153                 .supply = "vcc",
 154         },
 155 };
 156
 157 enum stargate2_ldos{
 158         vcc_vref,
 159         vcc_cc2420,
 160         /* a mote connector? */
 161         vcc_mica,
 162         /* the CSR bluecore chip */
 163         vcc_bt,
 164         /* The two voltages available to sensor boards */
 165         vcc_sensor_1_8,
 166         vcc_sensor_3,
 167         /* directly connected to the pxa27x */
 168         vcc_sram_ext,
 169         vcc_pxa_pll,
 170         vcc_pxa_usim, /* Reference voltage for certain gpios */
 171         vcc_pxa_mem,
 172         vcc_pxa_flash,
 173         vcc_pxa_core, /*Dc-Dc buck not yet supported */
 174         vcc_lcd,
 175         vcc_bb,
 176         vcc_bbio, /*not sure!*/
 177         vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 178 };
 179
 180 /* The values of the various regulator constraints are obviously dependent
 181  * on exactly what is wired to each ldo.  Unfortunately this information is
 182  * not generally available.  More information has been requested from Xbow.
 183  */
 184 static struct regulator_init_data stargate2_ldo_init_data[] = {
 185         [vcc_bbio] = {
 186                 .constraints = { /* board default 1.8V */
 187                         .name = "vcc_bbio",
 188                         .min_uV = 1800000,
 189                         .max_uV = 1800000,
 190                 },
 191         },
 192         [vcc_bb] = {
 193                 .constraints = { /* board default 2.8V */
 194                         .name = "vcc_bb",
 195                         .min_uV = 2700000,
 196                         .max_uV = 3000000,
 197                 },
 198         },
 199         [vcc_pxa_flash] = {
 200                 .constraints = {/* default is 1.8V */
 201                         .name = "vcc_pxa_flash",
 202                         .min_uV = 1800000,
 203                         .max_uV = 1800000,
 204                 },
 205         },
 206         [vcc_cc2420] = { /* also vcc_io */
 207                 .constraints = {
 208                         /* board default is 2.8V */
 209                         .name = "vcc_cc2420",
 210                         .min_uV = 2700000,
 211                         .max_uV = 3300000,
 212                 },
 213         },
 214         [vcc_vref] = { /* Reference for what? */
 215                 .constraints = { /* default 1.8V */
 216                         .name = "vcc_vref",
 217                         .min_uV = 1800000,
 218                         .max_uV = 1800000,
 219                 },
 220         },
 221         [vcc_sram_ext] = {
 222                 .constraints = { /* default 2.8V */
 223                         .name = "vcc_sram_ext",
 224                         .min_uV = 2800000,
 225                         .max_uV = 2800000,
 226                 },
 227         },
 228         [vcc_mica] = {
 229                 .constraints = { /* default 2.8V */
 230                         .name = "vcc_mica",
 231                         .min_uV = 2800000,
 232                         .max_uV = 2800000,
 233                 },
 234         },
 235         [vcc_bt] = {
 236                 .constraints = { /* default 2.8V */
 237                         .name = "vcc_bt",
 238                         .min_uV = 2800000,
 239                         .max_uV = 2800000,
 240                 },
 241         },
 242         [vcc_lcd] = {
 243                 .constraints = { /* default 2.8V */
 244                         .name = "vcc_lcd",
 245                         .min_uV = 2700000,
 246                         .max_uV = 3300000,
 247                 },
 248         },
 249         [vcc_io] = { /* Same or higher than everything
 250                           * bar vccbat and vccusb */
 251                 .constraints = { /* default 2.8V */
 252                         .name = "vcc_io",
 253                         .min_uV = 2692000,
 254                         .max_uV = 3300000,
 255                 },
 256         },
 257         [vcc_sensor_1_8] = {
 258                 .constraints = { /* default 1.8V */
 259                         .name = "vcc_sensor_1_8",
 260                         .min_uV = 1800000,
 261                         .max_uV = 1800000,
 262                 },
 263         },
 264         [vcc_sensor_3] = { /* curiously default 2.8V */
 265                 .constraints = {
 266                         .name = "vcc_sensor_3",
 267                         .min_uV = 2800000,
 268                         .max_uV = 3000000,
 269                 },
 270                 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 271                 .consumer_supplies = stargate2_sensor_3_con,
 272         },
 273         [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 274                 .constraints = {
 275                         .name = "vcc_pxa_pll",
 276                         .min_uV = 1170000,
 277                         .max_uV = 1430000,
 278                 },
 279         },
 280         [vcc_pxa_usim] = {
 281                 .constraints = { /* default 1.8V */
 282                         .name = "vcc_pxa_usim",
 283                         .min_uV = 1710000,
 284                         .max_uV = 2160000,
 285                 },
 286         },
 287         [vcc_pxa_mem] = {
 288                 .constraints = { /* default 1.8V */
 289                         .name = "vcc_pxa_mem",
 290                         .min_uV = 1800000,
 291                         .max_uV = 1800000,
 292                 },
 293         },
 294 };
 295
 296 static struct mtd_partition stargate2flash_partitions[] = {
 297         {
 298                 .name = "Bootloader",
 299                 .size = 0x00040000,
 300                 .offset = 0,
 301                 .mask_flags = 0,
 302         }, {
 303                 .name = "Kernel",
 304                 .size = 0x00200000,
 305                 .offset = 0x00040000,
 306                 .mask_flags = 0
 307         }, {
 308                 .name = "Filesystem",
 309                 .size = 0x01DC0000,
 310                 .offset = 0x00240000,
 311                 .mask_flags = 0
 312         },
 313 };
 314
 315 static struct resource flash_resources = {
 316         .start = PXA_CS0_PHYS,
 317         .end = PXA_CS0_PHYS + SZ_32M - 1,
 318         .flags = IORESOURCE_MEM,
 319 };
 320
 321 static struct flash_platform_data stargate2_flash_data = {
 322         .map_name = "cfi_probe",
 323         .parts = stargate2flash_partitions,
 324         .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 325         .name = "PXA27xOnChipROM",
 326         .width = 2,
 327 };
 328
 329 static struct platform_device stargate2_flash_device = {
 330         .name = "pxa2xx-flash",
 331         .id = 0,
 332         .dev = {
 333                 .platform_data = &stargate2_flash_data,
 334         },
 335         .resource = &flash_resources,
 336         .num_resources = 1,
 337 };
 338
 339 static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
 340         .num_chipselect = 1,
 341 };
 342
 343 static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 344         .num_chipselect = 1,
 345 };
 346
 347 static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
 348         .num_chipselect = 1,
 349 };
 350
 351 /* An upcoming kernel change will scrap SFRM usage so these
 352  * drivers have been moved to use gpio's via cs_control */
 353 static struct pxa2xx_spi_chip staccel_chip_info = {
 354         .tx_threshold = 8,
 355         .rx_threshold = 8,
 356         .dma_burst_size = 8,
 357         .timeout = 235,
 358         .gpio_cs = 24,
 359 };
 360
 361 static struct pxa2xx_spi_chip cc2420_info = {
 362         .tx_threshold = 8,
 363         .rx_threshold = 8,
 364         .dma_burst_size = 8,
 365         .timeout = 235,
 366         .gpio_cs = 39,
 367 };
 368
 369 static struct spi_board_info spi_board_info[] __initdata = {
 370         {
 371                 .modalias = "lis3l02dq",
 372                 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 373                 .bus_num = 1,
 374                 .chip_select = 0,
 375                 .controller_data = &staccel_chip_info,
 376                 .irq = IRQ_GPIO(96),
 377         }, {
 378                 .modalias = "cc2420",
 379                 .max_speed_hz = 6500000,
 380                 .bus_num = 3,
 381                 .chip_select = 0,
 382                 .controller_data = &cc2420_info,
 383         },
 384 };
 385
 386 static void sg2_udc_command(int cmd)
 387 {
 388         switch (cmd) {
 389         case PXA2XX_UDC_CMD_CONNECT:
 390                 UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 391                 break;
 392         case PXA2XX_UDC_CMD_DISCONNECT:
 393                 UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 394                 break;
 395         }
 396 }
 397
 398 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 399         .fast_mode = 1,
 400 };
 401
 402 static struct i2c_pxa_platform_data i2c_pdata = {
 403         .fast_mode = 1,
 404 };
 405
 406 static void __init imote2_stargate2_init(void)
 407 {
 408
 409         pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
 410
 411         pxa_set_ffuart_info(NULL);
 412         pxa_set_btuart_info(NULL);
 413         pxa_set_stuart_info(NULL);
 414
 415         pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 416         pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 417         pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 418         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 419
 420
 421         pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 422         pxa_set_i2c_info(&i2c_pdata);
 423 }
 424
 425 #ifdef CONFIG_MACH_INTELMOTE2
 426 /* As the the imote2 doesn't currently have a conventional SD slot
 427  * there is no option to hotplug cards, making all this rather simple
 428  */
 429 static int imote2_mci_get_ro(struct device *dev)
 430 {
 431         return 0;
 432 }
 433
 434 /* Rather simple case as hotplugging not possible */
 435 static struct pxamci_platform_data imote2_mci_platform_data = {
 436         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
 437         .get_ro = imote2_mci_get_ro,
 438         .gpio_card_detect = -1,
 439         .gpio_card_ro   = -1,
 440         .gpio_power = -1,
 441 };
 442
 443 static struct gpio_led imote2_led_pins[] = {
 444         {
 445                 .name       =  "imote2:red",
 446                 .gpio       = 103,
 447                 .active_low = 1,
 448         }, {
 449                 .name       = "imote2:green",
 450                 .gpio       = 104,
 451                 .active_low = 1,
 452         }, {
 453                 .name       = "imote2:blue",
 454                 .gpio       = 105,
 455                 .active_low = 1,
 456         },
 457 };
 458
 459 static struct gpio_led_platform_data imote2_led_data = {
 460         .num_leds = ARRAY_SIZE(imote2_led_pins),
 461         .leds     = imote2_led_pins,
 462 };
 463
 464 static struct platform_device imote2_leds = {
 465         .name = "leds-gpio",
 466         .id   = -1,
 467         .dev = {
 468                 .platform_data = &imote2_led_data,
 469         },
 470 };
 471
 472 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 473         {
 474                 .name = "da903x-regulator",
 475                 .id = DA9030_ID_LDO2,
 476                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 477         }, {
 478                 .name = "da903x-regulator",
 479                 .id = DA9030_ID_LDO3,
 480                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 481         }, {
 482                 .name = "da903x-regulator",
 483                 .id = DA9030_ID_LDO4,
 484                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 485         }, {
 486                 .name = "da903x-regulator",
 487                 .id = DA9030_ID_LDO5,
 488                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 489         }, {
 490                 .name = "da903x-regulator",
 491                 .id = DA9030_ID_LDO6,
 492                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 493         }, {
 494                 .name = "da903x-regulator",
 495                 .id = DA9030_ID_LDO7,
 496                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 497         }, {
 498                 .name = "da903x-regulator",
 499                 .id = DA9030_ID_LDO8,
 500                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 501         }, {
 502                 .name = "da903x-regulator",
 503                 .id = DA9030_ID_LDO9,
 504                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 505         }, {
 506                 .name = "da903x-regulator",
 507                 .id = DA9030_ID_LDO10,
 508                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 509         }, {
 510                 .name = "da903x-regulator",
 511                 .id = DA9030_ID_LDO11,
 512                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 513         }, {
 514                 .name = "da903x-regulator",
 515                 .id = DA9030_ID_LDO12,
 516                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 517         }, {
 518                 .name = "da903x-regulator",
 519                 .id = DA9030_ID_LDO15,
 520                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 521         }, {
 522                 .name = "da903x-regulator",
 523                 .id = DA9030_ID_LDO17,
 524                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 525         }, {
 526                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 527                 .id = DA9030_ID_LDO18,
 528                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 529         }, {
 530                 .name = "da903x-regulator",
 531                 .id = DA9030_ID_LDO19,
 532                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 533         },
 534 };
 535
 536 static struct da903x_platform_data imote2_da9030_pdata = {
 537         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 538         .subdevs = imote2_da9030_subdevs,
 539 };
 540
 541 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 542         {
 543                 .type = "da9030",
 544                 .addr = 0x49,
 545                 .platform_data = &imote2_da9030_pdata,
 546                 .irq = gpio_to_irq(1),
 547         },
 548 };
 549
 550 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 551         { /* UCAM sensor board */
 552                 .type = "max1239",
 553                 .addr = 0x35,
 554         }, { /* ITS400 Sensor board only */
 555                 .type = "max1363",
 556                 .addr = 0x34,
 557                 /* Through a nand gate - Also beware, on V2 sensor board the
 558                  * pull up resistors are missing.
 559                  */
 560                 .irq = IRQ_GPIO(99),
 561         }, { /* ITS400 Sensor board only */
 562                 .type = "tsl2561",
 563                 .addr = 0x49,
 564                 /* Through a nand gate - Also beware, on V2 sensor board the
 565                  * pull up resistors are missing.
 566                  */
 567                 .irq = IRQ_GPIO(99),
 568         }, { /* ITS400 Sensor board only */
 569                 .type = "tmp175",
 570                 .addr = 0x4A,
 571                 .irq = IRQ_GPIO(96),
 572         }, { /* IMB400 Multimedia board */
 573                 .type = "wm8940",
 574                 .addr = 0x1A,
 575         },
 576 };
 577
 578 static unsigned long imote2_pin_config[] __initdata = {
 579
 580         /* Button */
 581         GPIO91_GPIO,
 582
 583         /* LEDS */
 584         GPIO103_GPIO, /* red led */
 585         GPIO104_GPIO, /* green led */
 586         GPIO105_GPIO, /* blue led */
 587 };
 588
 589 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 590         .udc_command            = sg2_udc_command,
 591 };
 592
 593 static struct platform_device *imote2_devices[] = {
 594         &stargate2_flash_device,
 595         &imote2_leds,
 596         &sht15,
 597 };
 598
 599 static void __init imote2_init(void)
 600 {
 601         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 602
 603         imote2_stargate2_init();
 604
 605         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 606
 607         i2c_register_board_info(0, imote2_i2c_board_info,
 608                                 ARRAY_SIZE(imote2_i2c_board_info));
 609         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 610                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 611
 612         pxa_set_mci_info(&imote2_mci_platform_data);
 613         pxa_set_udc_info(&imote2_udc_info);
 614 }
 615 #endif
 616
 617 #ifdef CONFIG_MACH_STARGATE2
 618
 619 static unsigned long stargate2_pin_config[] __initdata = {
 620
 621         GPIO15_nCS_1, /* SRAM */
 622         /* SMC91x */
 623         GPIO80_nCS_4,
 624         GPIO40_GPIO, /*cable detect?*/
 625
 626         /* Button */
 627         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 628
 629         /* Compact Flash */
 630         GPIO79_PSKTSEL,
 631         GPIO48_nPOE,
 632         GPIO49_nPWE,
 633         GPIO50_nPIOR,
 634         GPIO51_nPIOW,
 635         GPIO85_nPCE_1,
 636         GPIO54_nPCE_2,
 637         GPIO55_nPREG,
 638         GPIO56_nPWAIT,
 639         GPIO57_nIOIS16,
 640         GPIO120_GPIO, /* Buff ctrl */
 641         GPIO108_GPIO, /* Power ctrl */
 642         GPIO82_GPIO, /* Reset */
 643         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 644
 645         /* MMC not shared with imote2 */
 646         GPIO90_GPIO, /* nSD detect */
 647         GPIO89_GPIO, /* SD_POWER_ENABLE */
 648
 649         /* Bluetooth */
 650         GPIO81_GPIO, /* reset */
 651 };
 652
 653 static struct resource smc91x_resources[] = {
 654         [0] = {
 655                 .name = "smc91x-regs",
 656                 .start = (PXA_CS4_PHYS + 0x300),
 657                 .end = (PXA_CS4_PHYS + 0xfffff),
 658                 .flags = IORESOURCE_MEM,
 659         },
 660         [1] = {
 661                 .start = IRQ_GPIO(40),
 662                 .end = IRQ_GPIO(40),
 663                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 664         }
 665 };
 666
 667 static struct smc91x_platdata stargate2_smc91x_info = {
 668         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 669         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 670 };
 671
 672 static struct platform_device smc91x_device = {
 673         .name = "smc91x",
 674         .id = -1,
 675         .num_resources = ARRAY_SIZE(smc91x_resources),
 676         .resource = smc91x_resources,
 677         .dev = {
 678                 .platform_data = &stargate2_smc91x_info,
 679         },
 680 };
 681
 682
 683 /*
 684  * The card detect interrupt isn't debounced so we delay it by 250ms
 685  * to give the card a chance to fully insert / eject.
 686  */
 687 static int stargate2_mci_init(struct device *dev,
 688                               irq_handler_t stargate2_detect_int,
 689                               void *data)
 690 {
 691         int err;
 692
 693         err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 694         if (err) {
 695                 printk(KERN_ERR "Can't get the gpio for SD power control");
 696                 goto return_err;
 697         }
 698         gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 699
 700         err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 701         if (err) {
 702                 printk(KERN_ERR "Can't get the sd detect gpio");
 703                 goto free_power_en;
 704         }
 705         gpio_direction_input(SG2_GPIO_nSD_DETECT);
 706
 707         err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT),
 708                           stargate2_detect_int,
 709                           IRQ_TYPE_EDGE_BOTH,
 710                           "MMC card detect",
 711                           data);
 712         if (err) {
 713                 printk(KERN_ERR "can't request MMC card detect IRQ\n");
 714                 goto free_nsd_detect;
 715         }
 716         return 0;
 717
 718  free_nsd_detect:
 719         gpio_free(SG2_GPIO_nSD_DETECT);
 720  free_power_en:
 721         gpio_free(SG2_SD_POWER_ENABLE);
 722  return_err:
 723         return err;
 724 }
 725
 726 /**
 727  * stargate2_mci_setpower() - set state of mmc power supply
 728  *
 729  * Very simple control. Either it is on or off and is controlled by
 730  * a gpio pin */
 731 static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 732 {
 733         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 734 }
 735
 736 static void stargate2_mci_exit(struct device *dev, void *data)
 737 {
 738         free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data);
 739         gpio_free(SG2_SD_POWER_ENABLE);
 740         gpio_free(SG2_GPIO_nSD_DETECT);
 741 }
 742
 743 static struct pxamci_platform_data stargate2_mci_platform_data = {
 744         .detect_delay_ms = 250,
 745         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 746         .init = stargate2_mci_init,
 747         .setpower = stargate2_mci_setpower,
 748         .exit = stargate2_mci_exit,
 749 };
 750
 751
 752 /*
 753  * SRAM - The Stargate 2 has 32MB of SRAM.
 754  *
 755  * Here it is made available as an MTD. This will then
 756  * typically have a cifs filesystem created on it to provide
 757  * fast temporary storage.
 758  */
 759 static struct resource sram_resources = {
 760         .start = PXA_CS1_PHYS,
 761         .end = PXA_CS1_PHYS + SZ_32M-1,
 762         .flags = IORESOURCE_MEM,
 763 };
 764
 765 static struct platdata_mtd_ram stargate2_sram_pdata = {
 766         .mapname = "Stargate2 SRAM",
 767         .bankwidth = 2,
 768 };
 769
 770 static struct platform_device stargate2_sram = {
 771         .name = "mtd-ram",
 772         .id = 0,
 773         .resource = &sram_resources,
 774         .num_resources = 1,
 775         .dev = {
 776                 .platform_data = &stargate2_sram_pdata,
 777         },
 778 };
 779
 780 static struct pcf857x_platform_data platform_data_pcf857x = {
 781         .gpio_base = 128,
 782         .n_latch = 0,
 783         .setup = NULL,
 784         .teardown = NULL,
 785         .context = NULL,
 786 };
 787
 788 static struct at24_platform_data pca9500_eeprom_pdata = {
 789         .byte_len = 256,
 790         .page_size = 4,
 791 };
 792
 793 /**
 794  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 795  **/
 796 static int stargate2_reset_bluetooth(void)
 797 {
 798         int err;
 799         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 800         if (err) {
 801                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 802                 return err;
 803         }
 804         gpio_direction_output(SG2_BT_RESET, 1);
 805         mdelay(5);
 806         /* now reset it - 5 msec minimum */
 807         gpio_set_value(SG2_BT_RESET, 0);
 808         mdelay(10);
 809         gpio_set_value(SG2_BT_RESET, 1);
 810         gpio_free(SG2_BT_RESET);
 811         return 0;
 812 }
 813
 814 static struct led_info stargate2_leds[] = {
 815         {
 816                 .name = "sg2:red",
 817                 .flags = DA9030_LED_RATE_ON,
 818         }, {
 819                 .name = "sg2:blue",
 820                 .flags = DA9030_LED_RATE_ON,
 821         }, {
 822                 .name = "sg2:green",
 823                 .flags = DA9030_LED_RATE_ON,
 824         },
 825 };
 826
 827 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 828         {
 829                 .name = "da903x-led",
 830                 .id = DA9030_ID_LED_2,
 831                 .platform_data = &stargate2_leds[0],
 832         }, {
 833                 .name = "da903x-led",
 834                 .id = DA9030_ID_LED_3,
 835                 .platform_data = &stargate2_leds[2],
 836         }, {
 837                 .name = "da903x-led",
 838                 .id = DA9030_ID_LED_4,
 839                 .platform_data = &stargate2_leds[1],
 840         }, {
 841                 .name = "da903x-regulator",
 842                 .id = DA9030_ID_LDO2,
 843                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 844         }, {
 845                 .name = "da903x-regulator",
 846                 .id = DA9030_ID_LDO3,
 847                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 848         }, {
 849                 .name = "da903x-regulator",
 850                 .id = DA9030_ID_LDO4,
 851                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 852         }, {
 853                 .name = "da903x-regulator",
 854                 .id = DA9030_ID_LDO5,
 855                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 856         }, {
 857                 .name = "da903x-regulator",
 858                 .id = DA9030_ID_LDO6,
 859                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 860         }, {
 861                 .name = "da903x-regulator",
 862                 .id = DA9030_ID_LDO7,
 863                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 864         }, {
 865                 .name = "da903x-regulator",
 866                 .id = DA9030_ID_LDO8,
 867                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 868         }, {
 869                 .name = "da903x-regulator",
 870                 .id = DA9030_ID_LDO9,
 871                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 872         }, {
 873                 .name = "da903x-regulator",
 874                 .id = DA9030_ID_LDO10,
 875                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 876         }, {
 877                 .name = "da903x-regulator",
 878                 .id = DA9030_ID_LDO11,
 879                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 880         }, {
 881                 .name = "da903x-regulator",
 882                 .id = DA9030_ID_LDO12,
 883                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 884         }, {
 885                 .name = "da903x-regulator",
 886                 .id = DA9030_ID_LDO15,
 887                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 888         }, {
 889                 .name = "da903x-regulator",
 890                 .id = DA9030_ID_LDO17,
 891                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 892         }, {
 893                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 894                 .id = DA9030_ID_LDO18,
 895                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 896         }, {
 897                 .name = "da903x-regulator",
 898                 .id = DA9030_ID_LDO19,
 899                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 900         },
 901 };
 902
 903 static struct da903x_platform_data stargate2_da9030_pdata = {
 904         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 905         .subdevs = stargate2_da9030_subdevs,
 906 };
 907
 908 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 909         {
 910                 .type = "da9030",
 911                 .addr = 0x49,
 912                 .platform_data = &stargate2_da9030_pdata,
 913                 .irq = gpio_to_irq(1),
 914         },
 915 };
 916
 917 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 918         /* Techically this a pca9500 - but it's compatible with the 8574
 919          * for gpio expansion and the 24c02 for eeprom access.
 920          */
 921         {
 922                 .type = "pcf8574",
 923                 .addr =  0x27,
 924                 .platform_data = &platform_data_pcf857x,
 925         }, {
 926                 .type = "24c02",
 927                 .addr = 0x57,
 928                 .platform_data = &pca9500_eeprom_pdata,
 929         }, {
 930                 .type = "max1238",
 931                 .addr = 0x35,
 932         }, { /* ITS400 Sensor board only */
 933                 .type = "max1363",
 934                 .addr = 0x34,
 935                 /* Through a nand gate - Also beware, on V2 sensor board the
 936                  * pull up resistors are missing.
 937                  */
 938                 .irq = IRQ_GPIO(99),
 939         }, { /* ITS400 Sensor board only */
 940                 .type = "tsl2561",
 941                 .addr = 0x49,
 942                 /* Through a nand gate - Also beware, on V2 sensor board the
 943                  * pull up resistors are missing.
 944                  */
 945                 .irq = IRQ_GPIO(99),
 946         }, { /* ITS400 Sensor board only */
 947                 .type = "tmp175",
 948                 .addr = 0x4A,
 949                 .irq = IRQ_GPIO(96),
 950         },
 951 };
 952
 953 /* Board doesn't support cable detection - so always lie and say
 954  * something is there.
 955  */
 956 static int sg2_udc_detect(void)
 957 {
 958         return 1;
 959 }
 960
 961 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 962         .udc_is_connected       = sg2_udc_detect,
 963         .udc_command            = sg2_udc_command,
 964 };
 965
 966 static struct platform_device *stargate2_devices[] = {
 967         &stargate2_flash_device,
 968         &stargate2_sram,
 969         &smc91x_device,
 970         &sht15,
 971 };
 972
 973 static void __init stargate2_init(void)
 974 {
 975         /* This is probably a board specific hack as this must be set
 976            prior to connecting the MFP stuff up. */
 977         MECR &= ~MECR_NOS;
 978
 979         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 980
 981         imote2_stargate2_init();
 982
 983         platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 984
 985         i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 986         i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 987                                 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 988
 989         pxa_set_mci_info(&stargate2_mci_platform_data);
 990
 991         pxa_set_udc_info(&stargate2_udc_info);
 992
 993         stargate2_reset_bluetooth();
 994 }
 995 #endif
 996
 997 #ifdef CONFIG_MACH_INTELMOTE2
 998 MACHINE_START(INTELMOTE2, "IMOTE 2")
 999         .phys_io        = 0x40000000,
1000         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1001         .map_io         = pxa_map_io,
1002         .init_irq       = pxa27x_init_irq,
1003         .timer          = &pxa_timer,
1004         .init_machine   = imote2_init,
1005         .boot_params    = 0xA0000100,
1006 MACHINE_END
1007 #endif
1008
1009 #ifdef CONFIG_MACH_STARGATE2
1010 MACHINE_START(STARGATE2, "Stargate 2")
1011         .phys_io = 0x40000000,
1012         .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
1013         .map_io = pxa_map_io,
1014         .init_irq = pxa27x_init_irq,
1015         .timer = &pxa_timer,
1016         .init_machine = stargate2_init,
1017         .boot_params = 0xA0000100,
1018 MACHINE_END
1019 #endif