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