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/pxa-i2c.h>
  29 #include <linux/i2c/pcf857x.h>
  30 #include <linux/i2c/at24.h>
  31 #include <linux/smc91x.h>
  32 #include <linux/gpio.h>
  33 #include <linux/leds.h>
  34
  35 #include <asm/types.h>
  36 #include <asm/setup.h>
  37 #include <asm/memory.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/irq.h>
  40
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/irq.h>
  44 #include <asm/mach/flash.h>
  45
  46 #include <mach/pxa27x.h>
  47 #include <mach/mmc.h>
  48 #include <mach/udc.h>
  49 #include <mach/pxa27x-udc.h>
  50 #include <mach/smemc.h>
  51
  52 #include <linux/spi/spi.h>
  53 #include <linux/spi/pxa2xx_spi.h>
  54 #include <linux/mfd/da903x.h>
  55 #include <linux/sht15.h>
  56
  57 #include "devices.h"
  58 #include "generic.h"
  59
  60 #define STARGATE_NR_IRQS        (IRQ_BOARD_START + 8)
  61
  62 /* Bluetooth */
  63 #define SG2_BT_RESET            81
  64
  65 /* SD */
  66 #define SG2_GPIO_nSD_DETECT     90
  67 #define SG2_SD_POWER_ENABLE     89
  68
  69 static unsigned long sg2_im2_unified_pin_config[] __initdata = {
  70         /* Device Identification for wakeup*/
  71         GPIO102_GPIO,
  72         /* DA9030 */
  73         GPIO1_GPIO,
  74
  75         /* MMC */
  76         GPIO32_MMC_CLK,
  77         GPIO112_MMC_CMD,
  78         GPIO92_MMC_DAT_0,
  79         GPIO109_MMC_DAT_1,
  80         GPIO110_MMC_DAT_2,
  81         GPIO111_MMC_DAT_3,
  82
  83         /* 802.15.4 radio - driver out of mainline */
  84         GPIO22_GPIO,                    /* CC_RSTN */
  85         GPIO114_GPIO,                   /* CC_FIFO */
  86         GPIO116_GPIO,                   /* CC_CCA */
  87         GPIO0_GPIO,                     /* CC_FIFOP */
  88         GPIO16_GPIO,                    /* CCSFD */
  89         GPIO115_GPIO,                   /* Power enable */
  90
  91         /* I2C */
  92         GPIO117_I2C_SCL,
  93         GPIO118_I2C_SDA,
  94
  95         /* SSP 3 - 802.15.4 radio */
  96         GPIO39_GPIO,                    /* Chip Select */
  97         GPIO34_SSP3_SCLK,
  98         GPIO35_SSP3_TXD,
  99         GPIO41_SSP3_RXD,
 100
 101         /* SSP 2 to daughter boards */
 102         GPIO11_SSP2_RXD,
 103         GPIO38_SSP2_TXD,
 104         GPIO36_SSP2_SCLK,
 105         GPIO37_GPIO, /* chip select */
 106
 107         /* SSP 1 - to daughter boards */
 108         GPIO24_GPIO,                    /* Chip Select */
 109         GPIO23_SSP1_SCLK,
 110         GPIO25_SSP1_TXD,
 111         GPIO26_SSP1_RXD,
 112
 113         /* BTUART Basic Connector*/
 114         GPIO42_BTUART_RXD,
 115         GPIO43_BTUART_TXD,
 116         GPIO44_BTUART_CTS,
 117         GPIO45_BTUART_RTS,
 118
 119         /* STUART  - IM2 via debug board not sure on SG2*/
 120         GPIO46_STUART_RXD,
 121         GPIO47_STUART_TXD,
 122
 123         /* Basic sensor board */
 124         GPIO96_GPIO,    /* accelerometer interrupt */
 125         GPIO99_GPIO,    /* ADC interrupt */
 126
 127         /* SHT15 */
 128         GPIO100_GPIO,
 129         GPIO98_GPIO,
 130
 131         /* Basic sensor board */
 132         GPIO96_GPIO,    /* accelerometer interrupt */
 133         GPIO99_GPIO,    /* ADC interrupt */
 134
 135         /* Connector pins specified as gpios */
 136         GPIO94_GPIO, /* large basic connector pin 14 */
 137         GPIO10_GPIO, /* large basic connector pin 23 */
 138 };
 139
 140 static struct sht15_platform_data platform_data_sht15 = {
 141         .gpio_data =  100,
 142         .gpio_sck  =  98,
 143 };
 144
 145 static struct platform_device sht15 = {
 146         .name = "sht15",
 147         .id = -1,
 148         .dev = {
 149                 .platform_data = &platform_data_sht15,
 150         },
 151 };
 152
 153 static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 154         {
 155                 .dev = &sht15.dev,
 156                 .supply = "vcc",
 157         },
 158 };
 159
 160 enum stargate2_ldos{
 161         vcc_vref,
 162         vcc_cc2420,
 163         /* a mote connector? */
 164         vcc_mica,
 165         /* the CSR bluecore chip */
 166         vcc_bt,
 167         /* The two voltages available to sensor boards */
 168         vcc_sensor_1_8,
 169         vcc_sensor_3,
 170         /* directly connected to the pxa27x */
 171         vcc_sram_ext,
 172         vcc_pxa_pll,
 173         vcc_pxa_usim, /* Reference voltage for certain gpios */
 174         vcc_pxa_mem,
 175         vcc_pxa_flash,
 176         vcc_pxa_core, /*Dc-Dc buck not yet supported */
 177         vcc_lcd,
 178         vcc_bb,
 179         vcc_bbio, /*not sure!*/
 180         vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 181 };
 182
 183 /* The values of the various regulator constraints are obviously dependent
 184  * on exactly what is wired to each ldo.  Unfortunately this information is
 185  * not generally available.  More information has been requested from Xbow.
 186  */
 187 static struct regulator_init_data stargate2_ldo_init_data[] = {
 188         [vcc_bbio] = {
 189                 .constraints = { /* board default 1.8V */
 190                         .name = "vcc_bbio",
 191                         .min_uV = 1800000,
 192                         .max_uV = 1800000,
 193                 },
 194         },
 195         [vcc_bb] = {
 196                 .constraints = { /* board default 2.8V */
 197                         .name = "vcc_bb",
 198                         .min_uV = 2700000,
 199                         .max_uV = 3000000,
 200                 },
 201         },
 202         [vcc_pxa_flash] = {
 203                 .constraints = {/* default is 1.8V */
 204                         .name = "vcc_pxa_flash",
 205                         .min_uV = 1800000,
 206                         .max_uV = 1800000,
 207                 },
 208         },
 209         [vcc_cc2420] = { /* also vcc_io */
 210                 .constraints = {
 211                         /* board default is 2.8V */
 212                         .name = "vcc_cc2420",
 213                         .min_uV = 2700000,
 214                         .max_uV = 3300000,
 215                 },
 216         },
 217         [vcc_vref] = { /* Reference for what? */
 218                 .constraints = { /* default 1.8V */
 219                         .name = "vcc_vref",
 220                         .min_uV = 1800000,
 221                         .max_uV = 1800000,
 222                 },
 223         },
 224         [vcc_sram_ext] = {
 225                 .constraints = { /* default 2.8V */
 226                         .name = "vcc_sram_ext",
 227                         .min_uV = 2800000,
 228                         .max_uV = 2800000,
 229                 },
 230         },
 231         [vcc_mica] = {
 232                 .constraints = { /* default 2.8V */
 233                         .name = "vcc_mica",
 234                         .min_uV = 2800000,
 235                         .max_uV = 2800000,
 236                 },
 237         },
 238         [vcc_bt] = {
 239                 .constraints = { /* default 2.8V */
 240                         .name = "vcc_bt",
 241                         .min_uV = 2800000,
 242                         .max_uV = 2800000,
 243                 },
 244         },
 245         [vcc_lcd] = {
 246                 .constraints = { /* default 2.8V */
 247                         .name = "vcc_lcd",
 248                         .min_uV = 2700000,
 249                         .max_uV = 3300000,
 250                 },
 251         },
 252         [vcc_io] = { /* Same or higher than everything
 253                           * bar vccbat and vccusb */
 254                 .constraints = { /* default 2.8V */
 255                         .name = "vcc_io",
 256                         .min_uV = 2692000,
 257                         .max_uV = 3300000,
 258                 },
 259         },
 260         [vcc_sensor_1_8] = {
 261                 .constraints = { /* default 1.8V */
 262                         .name = "vcc_sensor_1_8",
 263                         .min_uV = 1800000,
 264                         .max_uV = 1800000,
 265                 },
 266         },
 267         [vcc_sensor_3] = { /* curiously default 2.8V */
 268                 .constraints = {
 269                         .name = "vcc_sensor_3",
 270                         .min_uV = 2800000,
 271                         .max_uV = 3000000,
 272                 },
 273                 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 274                 .consumer_supplies = stargate2_sensor_3_con,
 275         },
 276         [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 277                 .constraints = {
 278                         .name = "vcc_pxa_pll",
 279                         .min_uV = 1170000,
 280                         .max_uV = 1430000,
 281                 },
 282         },
 283         [vcc_pxa_usim] = {
 284                 .constraints = { /* default 1.8V */
 285                         .name = "vcc_pxa_usim",
 286                         .min_uV = 1710000,
 287                         .max_uV = 2160000,
 288                 },
 289         },
 290         [vcc_pxa_mem] = {
 291                 .constraints = { /* default 1.8V */
 292                         .name = "vcc_pxa_mem",
 293                         .min_uV = 1800000,
 294                         .max_uV = 1800000,
 295                 },
 296         },
 297 };
 298
 299 static struct mtd_partition stargate2flash_partitions[] = {
 300         {
 301                 .name = "Bootloader",
 302                 .size = 0x00040000,
 303                 .offset = 0,
 304                 .mask_flags = 0,
 305         }, {
 306                 .name = "Kernel",
 307                 .size = 0x00200000,
 308                 .offset = 0x00040000,
 309                 .mask_flags = 0
 310         }, {
 311                 .name = "Filesystem",
 312                 .size = 0x01DC0000,
 313                 .offset = 0x00240000,
 314                 .mask_flags = 0
 315         },
 316 };
 317
 318 static struct resource flash_resources = {
 319         .start = PXA_CS0_PHYS,
 320         .end = PXA_CS0_PHYS + SZ_32M - 1,
 321         .flags = IORESOURCE_MEM,
 322 };
 323
 324 static struct flash_platform_data stargate2_flash_data = {
 325         .map_name = "cfi_probe",
 326         .parts = stargate2flash_partitions,
 327         .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 328         .name = "PXA27xOnChipROM",
 329         .width = 2,
 330 };
 331
 332 static struct platform_device stargate2_flash_device = {
 333         .name = "pxa2xx-flash",
 334         .id = 0,
 335         .dev = {
 336                 .platform_data = &stargate2_flash_data,
 337         },
 338         .resource = &flash_resources,
 339         .num_resources = 1,
 340 };
 341
 342 static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
 343         .num_chipselect = 1,
 344 };
 345
 346 static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 347         .num_chipselect = 1,
 348 };
 349
 350 static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
 351         .num_chipselect = 1,
 352 };
 353
 354 /* An upcoming kernel change will scrap SFRM usage so these
 355  * drivers have been moved to use gpio's via cs_control */
 356 static struct pxa2xx_spi_chip staccel_chip_info = {
 357         .tx_threshold = 8,
 358         .rx_threshold = 8,
 359         .dma_burst_size = 8,
 360         .timeout = 235,
 361         .gpio_cs = 24,
 362 };
 363
 364 static struct pxa2xx_spi_chip cc2420_info = {
 365         .tx_threshold = 8,
 366         .rx_threshold = 8,
 367         .dma_burst_size = 8,
 368         .timeout = 235,
 369         .gpio_cs = 39,
 370 };
 371
 372 static struct spi_board_info spi_board_info[] __initdata = {
 373         {
 374                 .modalias = "lis3l02dq",
 375                 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 376                 .bus_num = 1,
 377                 .chip_select = 0,
 378                 .controller_data = &staccel_chip_info,
 379                 .irq = PXA_GPIO_TO_IRQ(96),
 380         }, {
 381                 .modalias = "cc2420",
 382                 .max_speed_hz = 6500000,
 383                 .bus_num = 3,
 384                 .chip_select = 0,
 385                 .controller_data = &cc2420_info,
 386         },
 387 };
 388
 389 static void sg2_udc_command(int cmd)
 390 {
 391         switch (cmd) {
 392         case PXA2XX_UDC_CMD_CONNECT:
 393                 UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 394                 break;
 395         case PXA2XX_UDC_CMD_DISCONNECT:
 396                 UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 397                 break;
 398         }
 399 }
 400
 401 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 402         .fast_mode = 1,
 403 };
 404
 405 static struct i2c_pxa_platform_data i2c_pdata = {
 406         .fast_mode = 1,
 407 };
 408
 409 static void __init imote2_stargate2_init(void)
 410 {
 411
 412         pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
 413
 414         pxa_set_ffuart_info(NULL);
 415         pxa_set_btuart_info(NULL);
 416         pxa_set_stuart_info(NULL);
 417
 418         pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 419         pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 420         pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 421         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 422
 423
 424         pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 425         pxa_set_i2c_info(&i2c_pdata);
 426 }
 427
 428 #ifdef CONFIG_MACH_INTELMOTE2
 429 /* As the the imote2 doesn't currently have a conventional SD slot
 430  * there is no option to hotplug cards, making all this rather simple
 431  */
 432 static int imote2_mci_get_ro(struct device *dev)
 433 {
 434         return 0;
 435 }
 436
 437 /* Rather simple case as hotplugging not possible */
 438 static struct pxamci_platform_data imote2_mci_platform_data = {
 439         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
 440         .get_ro = imote2_mci_get_ro,
 441         .gpio_card_detect = -1,
 442         .gpio_card_ro   = -1,
 443         .gpio_power = -1,
 444 };
 445
 446 static struct gpio_led imote2_led_pins[] = {
 447         {
 448                 .name       =  "imote2:red",
 449                 .gpio       = 103,
 450                 .active_low = 1,
 451         }, {
 452                 .name       = "imote2:green",
 453                 .gpio       = 104,
 454                 .active_low = 1,
 455         }, {
 456                 .name       = "imote2:blue",
 457                 .gpio       = 105,
 458                 .active_low = 1,
 459         },
 460 };
 461
 462 static struct gpio_led_platform_data imote2_led_data = {
 463         .num_leds = ARRAY_SIZE(imote2_led_pins),
 464         .leds     = imote2_led_pins,
 465 };
 466
 467 static struct platform_device imote2_leds = {
 468         .name = "leds-gpio",
 469         .id   = -1,
 470         .dev = {
 471                 .platform_data = &imote2_led_data,
 472         },
 473 };
 474
 475 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 476         {
 477                 .name = "da903x-regulator",
 478                 .id = DA9030_ID_LDO2,
 479                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 480         }, {
 481                 .name = "da903x-regulator",
 482                 .id = DA9030_ID_LDO3,
 483                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 484         }, {
 485                 .name = "da903x-regulator",
 486                 .id = DA9030_ID_LDO4,
 487                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 488         }, {
 489                 .name = "da903x-regulator",
 490                 .id = DA9030_ID_LDO5,
 491                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 492         }, {
 493                 .name = "da903x-regulator",
 494                 .id = DA9030_ID_LDO6,
 495                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 496         }, {
 497                 .name = "da903x-regulator",
 498                 .id = DA9030_ID_LDO7,
 499                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 500         }, {
 501                 .name = "da903x-regulator",
 502                 .id = DA9030_ID_LDO8,
 503                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 504         }, {
 505                 .name = "da903x-regulator",
 506                 .id = DA9030_ID_LDO9,
 507                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 508         }, {
 509                 .name = "da903x-regulator",
 510                 .id = DA9030_ID_LDO10,
 511                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 512         }, {
 513                 .name = "da903x-regulator",
 514                 .id = DA9030_ID_LDO11,
 515                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 516         }, {
 517                 .name = "da903x-regulator",
 518                 .id = DA9030_ID_LDO12,
 519                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 520         }, {
 521                 .name = "da903x-regulator",
 522                 .id = DA9030_ID_LDO15,
 523                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 524         }, {
 525                 .name = "da903x-regulator",
 526                 .id = DA9030_ID_LDO17,
 527                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 528         }, {
 529                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 530                 .id = DA9030_ID_LDO18,
 531                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 532         }, {
 533                 .name = "da903x-regulator",
 534                 .id = DA9030_ID_LDO19,
 535                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 536         },
 537 };
 538
 539 static struct da903x_platform_data imote2_da9030_pdata = {
 540         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 541         .subdevs = imote2_da9030_subdevs,
 542 };
 543
 544 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 545         {
 546                 .type = "da9030",
 547                 .addr = 0x49,
 548                 .platform_data = &imote2_da9030_pdata,
 549                 .irq = PXA_GPIO_TO_IRQ(1),
 550         },
 551 };
 552
 553 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 554         { /* UCAM sensor board */
 555                 .type = "max1239",
 556                 .addr = 0x35,
 557         }, { /* ITS400 Sensor board only */
 558                 .type = "max1363",
 559                 .addr = 0x34,
 560                 /* Through a nand gate - Also beware, on V2 sensor board the
 561                  * pull up resistors are missing.
 562                  */
 563                 .irq = PXA_GPIO_TO_IRQ(99),
 564         }, { /* ITS400 Sensor board only */
 565                 .type = "tsl2561",
 566                 .addr = 0x49,
 567                 /* Through a nand gate - Also beware, on V2 sensor board the
 568                  * pull up resistors are missing.
 569                  */
 570                 .irq = PXA_GPIO_TO_IRQ(99),
 571         }, { /* ITS400 Sensor board only */
 572                 .type = "tmp175",
 573                 .addr = 0x4A,
 574                 .irq = PXA_GPIO_TO_IRQ(96),
 575         }, { /* IMB400 Multimedia board */
 576                 .type = "wm8940",
 577                 .addr = 0x1A,
 578         },
 579 };
 580
 581 static unsigned long imote2_pin_config[] __initdata = {
 582
 583         /* Button */
 584         GPIO91_GPIO,
 585
 586         /* LEDS */
 587         GPIO103_GPIO, /* red led */
 588         GPIO104_GPIO, /* green led */
 589         GPIO105_GPIO, /* blue led */
 590 };
 591
 592 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 593         .udc_command            = sg2_udc_command,
 594 };
 595
 596 static struct platform_device imote2_audio_device = {
 597         .name = "imote2-audio",
 598         .id   = -1,
 599 };
 600
 601 static struct platform_device *imote2_devices[] = {
 602         &stargate2_flash_device,
 603         &imote2_leds,
 604         &sht15,
 605         &imote2_audio_device,
 606 };
 607
 608 static void __init imote2_init(void)
 609 {
 610         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 611
 612         imote2_stargate2_init();
 613
 614         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 615
 616         i2c_register_board_info(0, imote2_i2c_board_info,
 617                                 ARRAY_SIZE(imote2_i2c_board_info));
 618         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 619                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 620
 621         pxa_set_mci_info(&imote2_mci_platform_data);
 622         pxa_set_udc_info(&imote2_udc_info);
 623 }
 624 #endif
 625
 626 #ifdef CONFIG_MACH_STARGATE2
 627
 628 static unsigned long stargate2_pin_config[] __initdata = {
 629
 630         GPIO15_nCS_1, /* SRAM */
 631         /* SMC91x */
 632         GPIO80_nCS_4,
 633         GPIO40_GPIO, /*cable detect?*/
 634
 635         /* Button */
 636         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 637
 638         /* Compact Flash */
 639         GPIO79_PSKTSEL,
 640         GPIO48_nPOE,
 641         GPIO49_nPWE,
 642         GPIO50_nPIOR,
 643         GPIO51_nPIOW,
 644         GPIO85_nPCE_1,
 645         GPIO54_nPCE_2,
 646         GPIO55_nPREG,
 647         GPIO56_nPWAIT,
 648         GPIO57_nIOIS16,
 649         GPIO120_GPIO, /* Buff ctrl */
 650         GPIO108_GPIO, /* Power ctrl */
 651         GPIO82_GPIO, /* Reset */
 652         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 653
 654         /* MMC not shared with imote2 */
 655         GPIO90_GPIO, /* nSD detect */
 656         GPIO89_GPIO, /* SD_POWER_ENABLE */
 657
 658         /* Bluetooth */
 659         GPIO81_GPIO, /* reset */
 660 };
 661
 662 static struct resource smc91x_resources[] = {
 663         [0] = {
 664                 .name = "smc91x-regs",
 665                 .start = (PXA_CS4_PHYS + 0x300),
 666                 .end = (PXA_CS4_PHYS + 0xfffff),
 667                 .flags = IORESOURCE_MEM,
 668         },
 669         [1] = {
 670                 .start = PXA_GPIO_TO_IRQ(40),
 671                 .end = PXA_GPIO_TO_IRQ(40),
 672                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 673         }
 674 };
 675
 676 static struct smc91x_platdata stargate2_smc91x_info = {
 677         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 678         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 679 };
 680
 681 static struct platform_device smc91x_device = {
 682         .name = "smc91x",
 683         .id = -1,
 684         .num_resources = ARRAY_SIZE(smc91x_resources),
 685         .resource = smc91x_resources,
 686         .dev = {
 687                 .platform_data = &stargate2_smc91x_info,
 688         },
 689 };
 690
 691
 692 /*
 693  * The card detect interrupt isn't debounced so we delay it by 250ms
 694  * to give the card a chance to fully insert / eject.
 695  */
 696 static int stargate2_mci_init(struct device *dev,
 697                               irq_handler_t stargate2_detect_int,
 698                               void *data)
 699 {
 700         int err;
 701
 702         err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 703         if (err) {
 704                 printk(KERN_ERR "Can't get the gpio for SD power control");
 705                 goto return_err;
 706         }
 707         gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 708
 709         err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 710         if (err) {
 711                 printk(KERN_ERR "Can't get the sd detect gpio");
 712                 goto free_power_en;
 713         }
 714         gpio_direction_input(SG2_GPIO_nSD_DETECT);
 715
 716         err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
 717                           stargate2_detect_int,
 718                           IRQ_TYPE_EDGE_BOTH,
 719                           "MMC card detect",
 720                           data);
 721         if (err) {
 722                 printk(KERN_ERR "can't request MMC card detect IRQ\n");
 723                 goto free_nsd_detect;
 724         }
 725         return 0;
 726
 727  free_nsd_detect:
 728         gpio_free(SG2_GPIO_nSD_DETECT);
 729  free_power_en:
 730         gpio_free(SG2_SD_POWER_ENABLE);
 731  return_err:
 732         return err;
 733 }
 734
 735 /**
 736  * stargate2_mci_setpower() - set state of mmc power supply
 737  *
 738  * Very simple control. Either it is on or off and is controlled by
 739  * a gpio pin */
 740 static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 741 {
 742         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 743 }
 744
 745 static void stargate2_mci_exit(struct device *dev, void *data)
 746 {
 747         free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
 748         gpio_free(SG2_SD_POWER_ENABLE);
 749         gpio_free(SG2_GPIO_nSD_DETECT);
 750 }
 751
 752 static struct pxamci_platform_data stargate2_mci_platform_data = {
 753         .detect_delay_ms = 250,
 754         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 755         .init = stargate2_mci_init,
 756         .setpower = stargate2_mci_setpower,
 757         .exit = stargate2_mci_exit,
 758 };
 759
 760
 761 /*
 762  * SRAM - The Stargate 2 has 32MB of SRAM.
 763  *
 764  * Here it is made available as an MTD. This will then
 765  * typically have a cifs filesystem created on it to provide
 766  * fast temporary storage.
 767  */
 768 static struct resource sram_resources = {
 769         .start = PXA_CS1_PHYS,
 770         .end = PXA_CS1_PHYS + SZ_32M-1,
 771         .flags = IORESOURCE_MEM,
 772 };
 773
 774 static struct platdata_mtd_ram stargate2_sram_pdata = {
 775         .mapname = "Stargate2 SRAM",
 776         .bankwidth = 2,
 777 };
 778
 779 static struct platform_device stargate2_sram = {
 780         .name = "mtd-ram",
 781         .id = 0,
 782         .resource = &sram_resources,
 783         .num_resources = 1,
 784         .dev = {
 785                 .platform_data = &stargate2_sram_pdata,
 786         },
 787 };
 788
 789 static struct pcf857x_platform_data platform_data_pcf857x = {
 790         .gpio_base = 128,
 791         .n_latch = 0,
 792         .setup = NULL,
 793         .teardown = NULL,
 794         .context = NULL,
 795 };
 796
 797 static struct at24_platform_data pca9500_eeprom_pdata = {
 798         .byte_len = 256,
 799         .page_size = 4,
 800 };
 801
 802 /**
 803  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 804  **/
 805 static int stargate2_reset_bluetooth(void)
 806 {
 807         int err;
 808         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 809         if (err) {
 810                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 811                 return err;
 812         }
 813         gpio_direction_output(SG2_BT_RESET, 1);
 814         mdelay(5);
 815         /* now reset it - 5 msec minimum */
 816         gpio_set_value(SG2_BT_RESET, 0);
 817         mdelay(10);
 818         gpio_set_value(SG2_BT_RESET, 1);
 819         gpio_free(SG2_BT_RESET);
 820         return 0;
 821 }
 822
 823 static struct led_info stargate2_leds[] = {
 824         {
 825                 .name = "sg2:red",
 826                 .flags = DA9030_LED_RATE_ON,
 827         }, {
 828                 .name = "sg2:blue",
 829                 .flags = DA9030_LED_RATE_ON,
 830         }, {
 831                 .name = "sg2:green",
 832                 .flags = DA9030_LED_RATE_ON,
 833         },
 834 };
 835
 836 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 837         {
 838                 .name = "da903x-led",
 839                 .id = DA9030_ID_LED_2,
 840                 .platform_data = &stargate2_leds[0],
 841         }, {
 842                 .name = "da903x-led",
 843                 .id = DA9030_ID_LED_3,
 844                 .platform_data = &stargate2_leds[2],
 845         }, {
 846                 .name = "da903x-led",
 847                 .id = DA9030_ID_LED_4,
 848                 .platform_data = &stargate2_leds[1],
 849         }, {
 850                 .name = "da903x-regulator",
 851                 .id = DA9030_ID_LDO2,
 852                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 853         }, {
 854                 .name = "da903x-regulator",
 855                 .id = DA9030_ID_LDO3,
 856                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 857         }, {
 858                 .name = "da903x-regulator",
 859                 .id = DA9030_ID_LDO4,
 860                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 861         }, {
 862                 .name = "da903x-regulator",
 863                 .id = DA9030_ID_LDO5,
 864                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 865         }, {
 866                 .name = "da903x-regulator",
 867                 .id = DA9030_ID_LDO6,
 868                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 869         }, {
 870                 .name = "da903x-regulator",
 871                 .id = DA9030_ID_LDO7,
 872                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 873         }, {
 874                 .name = "da903x-regulator",
 875                 .id = DA9030_ID_LDO8,
 876                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 877         }, {
 878                 .name = "da903x-regulator",
 879                 .id = DA9030_ID_LDO9,
 880                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 881         }, {
 882                 .name = "da903x-regulator",
 883                 .id = DA9030_ID_LDO10,
 884                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 885         }, {
 886                 .name = "da903x-regulator",
 887                 .id = DA9030_ID_LDO11,
 888                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 889         }, {
 890                 .name = "da903x-regulator",
 891                 .id = DA9030_ID_LDO12,
 892                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 893         }, {
 894                 .name = "da903x-regulator",
 895                 .id = DA9030_ID_LDO15,
 896                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 897         }, {
 898                 .name = "da903x-regulator",
 899                 .id = DA9030_ID_LDO17,
 900                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 901         }, {
 902                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 903                 .id = DA9030_ID_LDO18,
 904                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 905         }, {
 906                 .name = "da903x-regulator",
 907                 .id = DA9030_ID_LDO19,
 908                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 909         },
 910 };
 911
 912 static struct da903x_platform_data stargate2_da9030_pdata = {
 913         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 914         .subdevs = stargate2_da9030_subdevs,
 915 };
 916
 917 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 918         {
 919                 .type = "da9030",
 920                 .addr = 0x49,
 921                 .platform_data = &stargate2_da9030_pdata,
 922                 .irq = PXA_GPIO_TO_IRQ(1),
 923         },
 924 };
 925
 926 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 927         /* Techically this a pca9500 - but it's compatible with the 8574
 928          * for gpio expansion and the 24c02 for eeprom access.
 929          */
 930         {
 931                 .type = "pcf8574",
 932                 .addr =  0x27,
 933                 .platform_data = &platform_data_pcf857x,
 934         }, {
 935                 .type = "24c02",
 936                 .addr = 0x57,
 937                 .platform_data = &pca9500_eeprom_pdata,
 938         }, {
 939                 .type = "max1238",
 940                 .addr = 0x35,
 941         }, { /* ITS400 Sensor board only */
 942                 .type = "max1363",
 943                 .addr = 0x34,
 944                 /* Through a nand gate - Also beware, on V2 sensor board the
 945                  * pull up resistors are missing.
 946                  */
 947                 .irq = PXA_GPIO_TO_IRQ(99),
 948         }, { /* ITS400 Sensor board only */
 949                 .type = "tsl2561",
 950                 .addr = 0x49,
 951                 /* Through a nand gate - Also beware, on V2 sensor board the
 952                  * pull up resistors are missing.
 953                  */
 954                 .irq = PXA_GPIO_TO_IRQ(99),
 955         }, { /* ITS400 Sensor board only */
 956                 .type = "tmp175",
 957                 .addr = 0x4A,
 958                 .irq = PXA_GPIO_TO_IRQ(96),
 959         },
 960 };
 961
 962 /* Board doesn't support cable detection - so always lie and say
 963  * something is there.
 964  */
 965 static int sg2_udc_detect(void)
 966 {
 967         return 1;
 968 }
 969
 970 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 971         .udc_is_connected       = sg2_udc_detect,
 972         .udc_command            = sg2_udc_command,
 973 };
 974
 975 static struct platform_device *stargate2_devices[] = {
 976         &stargate2_flash_device,
 977         &stargate2_sram,
 978         &smc91x_device,
 979         &sht15,
 980 };
 981
 982 static void __init stargate2_init(void)
 983 {
 984         /* This is probably a board specific hack as this must be set
 985            prior to connecting the MFP stuff up. */
 986         __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
 987
 988         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 989
 990         imote2_stargate2_init();
 991
 992         platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 993
 994         i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 995         i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 996                                 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 997
 998         pxa_set_mci_info(&stargate2_mci_platform_data);
 999
1000         pxa_set_udc_info(&stargate2_udc_info);
1001
1002         stargate2_reset_bluetooth();
1003 }
1004 #endif
1005
1006 #ifdef CONFIG_MACH_INTELMOTE2
1007 MACHINE_START(INTELMOTE2, "IMOTE 2")
1008         .map_io         = pxa27x_map_io,
1009         .init_irq       = pxa27x_init_irq,
1010         .handle_irq     = pxa27x_handle_irq,
1011         .timer          = &pxa_timer,
1012         .init_machine   = imote2_init,
1013         .atag_offset    = 0x100,
1014         .restart        = pxa_restart,
1015 MACHINE_END
1016 #endif
1017
1018 #ifdef CONFIG_MACH_STARGATE2
1019 MACHINE_START(STARGATE2, "Stargate 2")
1020         .map_io = pxa27x_map_io,
1021         .nr_irqs = STARGATE_NR_IRQS,
1022         .init_irq = pxa27x_init_irq,
1023         .handle_irq = pxa27x_handle_irq,
1024         .timer = &pxa_timer,
1025         .init_machine = stargate2_init,
1026         .atag_offset = 0x100,
1027         .restart        = pxa_restart,
1028 MACHINE_END
1029 #endif