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/platform_data/i2c-pxa.h>
  29 #include <linux/platform_data/pcf857x.h>
  30 #include <linux/smc91x.h>
  31 #include <linux/gpio/machine.h>
  32 #include <linux/gpio.h>
  33 #include <linux/leds.h>
  34 #include <linux/property.h>
  35
  36 #include <asm/types.h>
  37 #include <asm/setup.h>
  38 #include <asm/memory.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/irq.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/irq.h>
  45 #include <asm/mach/flash.h>
  46
  47 #include "pxa27x.h"
  48 #include <linux/platform_data/mmc-pxamci.h>
  49 #include "udc.h"
  50 #include "pxa27x-udc.h"
  51 #include <mach/smemc.h>
  52
  53 #include <linux/spi/spi.h>
  54 #include <linux/spi/pxa2xx_spi.h>
  55 #include <linux/mfd/da903x.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 gpiod_lookup_table sht15_gpiod_table = {
 141         .dev_id = "sht15",
 142         .table = {
 143                 /* FIXME: should this have |GPIO_OPEN_DRAIN set? */
 144                 GPIO_LOOKUP("gpio-pxa", 100, "data", GPIO_ACTIVE_HIGH),
 145                 GPIO_LOOKUP("gpio-pxa", 98, "clk", GPIO_ACTIVE_HIGH),
 146         },
 147 };
 148
 149 static struct platform_device sht15 = {
 150         .name = "sht15",
 151         .id = -1,
 152 };
 153
 154 static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 155         REGULATOR_SUPPLY("vcc", "sht15"),
 156 };
 157
 158 enum stargate2_ldos{
 159         vcc_vref,
 160         vcc_cc2420,
 161         /* a mote connector? */
 162         vcc_mica,
 163         /* the CSR bluecore chip */
 164         vcc_bt,
 165         /* The two voltages available to sensor boards */
 166         vcc_sensor_1_8,
 167         vcc_sensor_3,
 168         /* directly connected to the pxa27x */
 169         vcc_sram_ext,
 170         vcc_pxa_pll,
 171         vcc_pxa_usim, /* Reference voltage for certain gpios */
 172         vcc_pxa_mem,
 173         vcc_pxa_flash,
 174         vcc_pxa_core, /*Dc-Dc buck not yet supported */
 175         vcc_lcd,
 176         vcc_bb,
 177         vcc_bbio, /*not sure!*/
 178         vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 179 };
 180
 181 /* The values of the various regulator constraints are obviously dependent
 182  * on exactly what is wired to each ldo.  Unfortunately this information is
 183  * not generally available.  More information has been requested from Xbow.
 184  */
 185 static struct regulator_init_data stargate2_ldo_init_data[] = {
 186         [vcc_bbio] = {
 187                 .constraints = { /* board default 1.8V */
 188                         .name = "vcc_bbio",
 189                         .min_uV = 1800000,
 190                         .max_uV = 1800000,
 191                 },
 192         },
 193         [vcc_bb] = {
 194                 .constraints = { /* board default 2.8V */
 195                         .name = "vcc_bb",
 196                         .min_uV = 2700000,
 197                         .max_uV = 3000000,
 198                 },
 199         },
 200         [vcc_pxa_flash] = {
 201                 .constraints = {/* default is 1.8V */
 202                         .name = "vcc_pxa_flash",
 203                         .min_uV = 1800000,
 204                         .max_uV = 1800000,
 205                 },
 206         },
 207         [vcc_cc2420] = { /* also vcc_io */
 208                 .constraints = {
 209                         /* board default is 2.8V */
 210                         .name = "vcc_cc2420",
 211                         .min_uV = 2700000,
 212                         .max_uV = 3300000,
 213                 },
 214         },
 215         [vcc_vref] = { /* Reference for what? */
 216                 .constraints = { /* default 1.8V */
 217                         .name = "vcc_vref",
 218                         .min_uV = 1800000,
 219                         .max_uV = 1800000,
 220                 },
 221         },
 222         [vcc_sram_ext] = {
 223                 .constraints = { /* default 2.8V */
 224                         .name = "vcc_sram_ext",
 225                         .min_uV = 2800000,
 226                         .max_uV = 2800000,
 227                 },
 228         },
 229         [vcc_mica] = {
 230                 .constraints = { /* default 2.8V */
 231                         .name = "vcc_mica",
 232                         .min_uV = 2800000,
 233                         .max_uV = 2800000,
 234                 },
 235         },
 236         [vcc_bt] = {
 237                 .constraints = { /* default 2.8V */
 238                         .name = "vcc_bt",
 239                         .min_uV = 2800000,
 240                         .max_uV = 2800000,
 241                 },
 242         },
 243         [vcc_lcd] = {
 244                 .constraints = { /* default 2.8V */
 245                         .name = "vcc_lcd",
 246                         .min_uV = 2700000,
 247                         .max_uV = 3300000,
 248                 },
 249         },
 250         [vcc_io] = { /* Same or higher than everything
 251                           * bar vccbat and vccusb */
 252                 .constraints = { /* default 2.8V */
 253                         .name = "vcc_io",
 254                         .min_uV = 2692000,
 255                         .max_uV = 3300000,
 256                 },
 257         },
 258         [vcc_sensor_1_8] = {
 259                 .constraints = { /* default 1.8V */
 260                         .name = "vcc_sensor_1_8",
 261                         .min_uV = 1800000,
 262                         .max_uV = 1800000,
 263                 },
 264         },
 265         [vcc_sensor_3] = { /* curiously default 2.8V */
 266                 .constraints = {
 267                         .name = "vcc_sensor_3",
 268                         .min_uV = 2800000,
 269                         .max_uV = 3000000,
 270                 },
 271                 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 272                 .consumer_supplies = stargate2_sensor_3_con,
 273         },
 274         [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 275                 .constraints = {
 276                         .name = "vcc_pxa_pll",
 277                         .min_uV = 1170000,
 278                         .max_uV = 1430000,
 279                 },
 280         },
 281         [vcc_pxa_usim] = {
 282                 .constraints = { /* default 1.8V */
 283                         .name = "vcc_pxa_usim",
 284                         .min_uV = 1710000,
 285                         .max_uV = 2160000,
 286                 },
 287         },
 288         [vcc_pxa_mem] = {
 289                 .constraints = { /* default 1.8V */
 290                         .name = "vcc_pxa_mem",
 291                         .min_uV = 1800000,
 292                         .max_uV = 1800000,
 293                 },
 294         },
 295 };
 296
 297 static struct mtd_partition stargate2flash_partitions[] = {
 298         {
 299                 .name = "Bootloader",
 300                 .size = 0x00040000,
 301                 .offset = 0,
 302                 .mask_flags = 0,
 303         }, {
 304                 .name = "Kernel",
 305                 .size = 0x00200000,
 306                 .offset = 0x00040000,
 307                 .mask_flags = 0
 308         }, {
 309                 .name = "Filesystem",
 310                 .size = 0x01DC0000,
 311                 .offset = 0x00240000,
 312                 .mask_flags = 0
 313         },
 314 };
 315
 316 static struct resource flash_resources = {
 317         .start = PXA_CS0_PHYS,
 318         .end = PXA_CS0_PHYS + SZ_32M - 1,
 319         .flags = IORESOURCE_MEM,
 320 };
 321
 322 static struct flash_platform_data stargate2_flash_data = {
 323         .map_name = "cfi_probe",
 324         .parts = stargate2flash_partitions,
 325         .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 326         .name = "PXA27xOnChipROM",
 327         .width = 2,
 328 };
 329
 330 static struct platform_device stargate2_flash_device = {
 331         .name = "pxa2xx-flash",
 332         .id = 0,
 333         .dev = {
 334                 .platform_data = &stargate2_flash_data,
 335         },
 336         .resource = &flash_resources,
 337         .num_resources = 1,
 338 };
 339
 340 static struct pxa2xx_spi_controller pxa_ssp_master_0_info = {
 341         .num_chipselect = 1,
 342 };
 343
 344 static struct pxa2xx_spi_controller pxa_ssp_master_1_info = {
 345         .num_chipselect = 1,
 346 };
 347
 348 static struct pxa2xx_spi_controller pxa_ssp_master_2_info = {
 349         .num_chipselect = 1,
 350 };
 351
 352 /* An upcoming kernel change will scrap SFRM usage so these
 353  * drivers have been moved to use gpio's via cs_control */
 354 static struct pxa2xx_spi_chip staccel_chip_info = {
 355         .tx_threshold = 8,
 356         .rx_threshold = 8,
 357         .dma_burst_size = 8,
 358         .timeout = 235,
 359         .gpio_cs = 24,
 360 };
 361
 362 static struct pxa2xx_spi_chip cc2420_info = {
 363         .tx_threshold = 8,
 364         .rx_threshold = 8,
 365         .dma_burst_size = 8,
 366         .timeout = 235,
 367         .gpio_cs = 39,
 368 };
 369
 370 static struct spi_board_info spi_board_info[] __initdata = {
 371         {
 372                 .modalias = "lis3l02dq",
 373                 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 374                 .bus_num = 1,
 375                 .chip_select = 0,
 376                 .controller_data = &staccel_chip_info,
 377                 .irq = PXA_GPIO_TO_IRQ(96),
 378         }, {
 379                 .modalias = "cc2420",
 380                 .max_speed_hz = 6500000,
 381                 .bus_num = 3,
 382                 .chip_select = 0,
 383                 .controller_data = &cc2420_info,
 384         },
 385 };
 386
 387 static void sg2_udc_command(int cmd)
 388 {
 389         switch (cmd) {
 390         case PXA2XX_UDC_CMD_CONNECT:
 391                 UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 392                 break;
 393         case PXA2XX_UDC_CMD_DISCONNECT:
 394                 UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 395                 break;
 396         }
 397 }
 398
 399 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 400         .fast_mode = 1,
 401 };
 402
 403 static struct i2c_pxa_platform_data i2c_pdata = {
 404         .fast_mode = 1,
 405 };
 406
 407 static void __init imote2_stargate2_init(void)
 408 {
 409
 410         pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
 411
 412         pxa_set_ffuart_info(NULL);
 413         pxa_set_btuart_info(NULL);
 414         pxa_set_stuart_info(NULL);
 415
 416         pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 417         pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 418         pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 419         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 420
 421
 422         pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 423         pxa_set_i2c_info(&i2c_pdata);
 424 }
 425
 426 #ifdef CONFIG_MACH_INTELMOTE2
 427 /* As the the imote2 doesn't currently have a conventional SD slot
 428  * there is no option to hotplug cards, making all this rather simple
 429  */
 430 static int imote2_mci_get_ro(struct device *dev)
 431 {
 432         return 0;
 433 }
 434
 435 /* Rather simple case as hotplugging not possible */
 436 static struct pxamci_platform_data imote2_mci_platform_data = {
 437         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
 438         .get_ro = imote2_mci_get_ro,
 439 };
 440
 441 static struct gpio_led imote2_led_pins[] = {
 442         {
 443                 .name       =  "imote2:red",
 444                 .gpio       = 103,
 445                 .active_low = 1,
 446         }, {
 447                 .name       = "imote2:green",
 448                 .gpio       = 104,
 449                 .active_low = 1,
 450         }, {
 451                 .name       = "imote2:blue",
 452                 .gpio       = 105,
 453                 .active_low = 1,
 454         },
 455 };
 456
 457 static struct gpio_led_platform_data imote2_led_data = {
 458         .num_leds = ARRAY_SIZE(imote2_led_pins),
 459         .leds     = imote2_led_pins,
 460 };
 461
 462 static struct platform_device imote2_leds = {
 463         .name = "leds-gpio",
 464         .id   = -1,
 465         .dev = {
 466                 .platform_data = &imote2_led_data,
 467         },
 468 };
 469
 470 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 471         {
 472                 .name = "da903x-regulator",
 473                 .id = DA9030_ID_LDO2,
 474                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 475         }, {
 476                 .name = "da903x-regulator",
 477                 .id = DA9030_ID_LDO3,
 478                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 479         }, {
 480                 .name = "da903x-regulator",
 481                 .id = DA9030_ID_LDO4,
 482                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 483         }, {
 484                 .name = "da903x-regulator",
 485                 .id = DA9030_ID_LDO5,
 486                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 487         }, {
 488                 .name = "da903x-regulator",
 489                 .id = DA9030_ID_LDO6,
 490                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 491         }, {
 492                 .name = "da903x-regulator",
 493                 .id = DA9030_ID_LDO7,
 494                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 495         }, {
 496                 .name = "da903x-regulator",
 497                 .id = DA9030_ID_LDO8,
 498                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 499         }, {
 500                 .name = "da903x-regulator",
 501                 .id = DA9030_ID_LDO9,
 502                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 503         }, {
 504                 .name = "da903x-regulator",
 505                 .id = DA9030_ID_LDO10,
 506                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 507         }, {
 508                 .name = "da903x-regulator",
 509                 .id = DA9030_ID_LDO11,
 510                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 511         }, {
 512                 .name = "da903x-regulator",
 513                 .id = DA9030_ID_LDO12,
 514                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 515         }, {
 516                 .name = "da903x-regulator",
 517                 .id = DA9030_ID_LDO15,
 518                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 519         }, {
 520                 .name = "da903x-regulator",
 521                 .id = DA9030_ID_LDO17,
 522                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 523         }, {
 524                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 525                 .id = DA9030_ID_LDO18,
 526                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 527         }, {
 528                 .name = "da903x-regulator",
 529                 .id = DA9030_ID_LDO19,
 530                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 531         },
 532 };
 533
 534 static struct da903x_platform_data imote2_da9030_pdata = {
 535         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 536         .subdevs = imote2_da9030_subdevs,
 537 };
 538
 539 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 540         {
 541                 .type = "da9030",
 542                 .addr = 0x49,
 543                 .platform_data = &imote2_da9030_pdata,
 544                 .irq = PXA_GPIO_TO_IRQ(1),
 545         },
 546 };
 547
 548 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 549         { /* UCAM sensor board */
 550                 .type = "max1239",
 551                 .addr = 0x35,
 552         }, { /* ITS400 Sensor board only */
 553                 .type = "max1363",
 554                 .addr = 0x34,
 555                 /* Through a nand gate - Also beware, on V2 sensor board the
 556                  * pull up resistors are missing.
 557                  */
 558                 .irq = PXA_GPIO_TO_IRQ(99),
 559         }, { /* ITS400 Sensor board only */
 560                 .type = "tsl2561",
 561                 .addr = 0x49,
 562                 /* Through a nand gate - Also beware, on V2 sensor board the
 563                  * pull up resistors are missing.
 564                  */
 565                 .irq = PXA_GPIO_TO_IRQ(99),
 566         }, { /* ITS400 Sensor board only */
 567                 .type = "tmp175",
 568                 .addr = 0x4A,
 569                 .irq = PXA_GPIO_TO_IRQ(96),
 570         }, { /* IMB400 Multimedia board */
 571                 .type = "wm8940",
 572                 .addr = 0x1A,
 573         },
 574 };
 575
 576 static unsigned long imote2_pin_config[] __initdata = {
 577
 578         /* Button */
 579         GPIO91_GPIO,
 580
 581         /* LEDS */
 582         GPIO103_GPIO, /* red led */
 583         GPIO104_GPIO, /* green led */
 584         GPIO105_GPIO, /* blue led */
 585 };
 586
 587 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 588         .udc_command            = sg2_udc_command,
 589 };
 590
 591 static struct platform_device imote2_audio_device = {
 592         .name = "imote2-audio",
 593         .id   = -1,
 594 };
 595
 596 static struct platform_device *imote2_devices[] = {
 597         &stargate2_flash_device,
 598         &imote2_leds,
 599         &sht15,
 600         &imote2_audio_device,
 601 };
 602
 603 static void __init imote2_init(void)
 604 {
 605         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 606
 607         imote2_stargate2_init();
 608
 609         gpiod_add_lookup_table(&sht15_gpiod_table);
 610         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 611
 612         i2c_register_board_info(0, imote2_i2c_board_info,
 613                                 ARRAY_SIZE(imote2_i2c_board_info));
 614         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 615                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 616
 617         pxa_set_mci_info(&imote2_mci_platform_data);
 618         pxa_set_udc_info(&imote2_udc_info);
 619 }
 620 #endif
 621
 622 #ifdef CONFIG_MACH_STARGATE2
 623
 624 static unsigned long stargate2_pin_config[] __initdata = {
 625
 626         GPIO15_nCS_1, /* SRAM */
 627         /* SMC91x */
 628         GPIO80_nCS_4,
 629         GPIO40_GPIO, /*cable detect?*/
 630
 631         /* Button */
 632         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 633
 634         /* Compact Flash */
 635         GPIO79_PSKTSEL,
 636         GPIO48_nPOE,
 637         GPIO49_nPWE,
 638         GPIO50_nPIOR,
 639         GPIO51_nPIOW,
 640         GPIO85_nPCE_1,
 641         GPIO54_nPCE_2,
 642         GPIO55_nPREG,
 643         GPIO56_nPWAIT,
 644         GPIO57_nIOIS16,
 645         GPIO120_GPIO, /* Buff ctrl */
 646         GPIO108_GPIO, /* Power ctrl */
 647         GPIO82_GPIO, /* Reset */
 648         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 649
 650         /* MMC not shared with imote2 */
 651         GPIO90_GPIO, /* nSD detect */
 652         GPIO89_GPIO, /* SD_POWER_ENABLE */
 653
 654         /* Bluetooth */
 655         GPIO81_GPIO, /* reset */
 656 };
 657
 658 static struct resource smc91x_resources[] = {
 659         [0] = {
 660                 .name = "smc91x-regs",
 661                 .start = (PXA_CS4_PHYS + 0x300),
 662                 .end = (PXA_CS4_PHYS + 0xfffff),
 663                 .flags = IORESOURCE_MEM,
 664         },
 665         [1] = {
 666                 .start = PXA_GPIO_TO_IRQ(40),
 667                 .end = PXA_GPIO_TO_IRQ(40),
 668                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 669         }
 670 };
 671
 672 static struct smc91x_platdata stargate2_smc91x_info = {
 673         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 674         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 675         .pxa_u16_align4 = true,
 676 };
 677
 678 static struct platform_device smc91x_device = {
 679         .name = "smc91x",
 680         .id = -1,
 681         .num_resources = ARRAY_SIZE(smc91x_resources),
 682         .resource = smc91x_resources,
 683         .dev = {
 684                 .platform_data = &stargate2_smc91x_info,
 685         },
 686 };
 687
 688
 689 /*
 690  * The card detect interrupt isn't debounced so we delay it by 250ms
 691  * to give the card a chance to fully insert / eject.
 692  */
 693 static int stargate2_mci_init(struct device *dev,
 694                               irq_handler_t stargate2_detect_int,
 695                               void *data)
 696 {
 697         int err;
 698
 699         err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 700         if (err) {
 701                 printk(KERN_ERR "Can't get the gpio for SD power control");
 702                 goto return_err;
 703         }
 704         gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 705
 706         err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 707         if (err) {
 708                 printk(KERN_ERR "Can't get the sd detect gpio");
 709                 goto free_power_en;
 710         }
 711         gpio_direction_input(SG2_GPIO_nSD_DETECT);
 712
 713         err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
 714                           stargate2_detect_int,
 715                           IRQ_TYPE_EDGE_BOTH,
 716                           "MMC card detect",
 717                           data);
 718         if (err) {
 719                 printk(KERN_ERR "can't request MMC card detect IRQ\n");
 720                 goto free_nsd_detect;
 721         }
 722         return 0;
 723
 724  free_nsd_detect:
 725         gpio_free(SG2_GPIO_nSD_DETECT);
 726  free_power_en:
 727         gpio_free(SG2_SD_POWER_ENABLE);
 728  return_err:
 729         return err;
 730 }
 731
 732 /**
 733  * stargate2_mci_setpower() - set state of mmc power supply
 734  *
 735  * Very simple control. Either it is on or off and is controlled by
 736  * a gpio pin */
 737 static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 738 {
 739         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 740         return 0;
 741 }
 742
 743 static void stargate2_mci_exit(struct device *dev, void *data)
 744 {
 745         free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
 746         gpio_free(SG2_SD_POWER_ENABLE);
 747         gpio_free(SG2_GPIO_nSD_DETECT);
 748 }
 749
 750 static struct pxamci_platform_data stargate2_mci_platform_data = {
 751         .detect_delay_ms = 250,
 752         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 753         .init = stargate2_mci_init,
 754         .setpower = stargate2_mci_setpower,
 755         .exit = stargate2_mci_exit,
 756 };
 757
 758
 759 /*
 760  * SRAM - The Stargate 2 has 32MB of SRAM.
 761  *
 762  * Here it is made available as an MTD. This will then
 763  * typically have a cifs filesystem created on it to provide
 764  * fast temporary storage.
 765  */
 766 static struct resource sram_resources = {
 767         .start = PXA_CS1_PHYS,
 768         .end = PXA_CS1_PHYS + SZ_32M-1,
 769         .flags = IORESOURCE_MEM,
 770 };
 771
 772 static struct platdata_mtd_ram stargate2_sram_pdata = {
 773         .mapname = "Stargate2 SRAM",
 774         .bankwidth = 2,
 775 };
 776
 777 static struct platform_device stargate2_sram = {
 778         .name = "mtd-ram",
 779         .id = 0,
 780         .resource = &sram_resources,
 781         .num_resources = 1,
 782         .dev = {
 783                 .platform_data = &stargate2_sram_pdata,
 784         },
 785 };
 786
 787 static struct pcf857x_platform_data platform_data_pcf857x = {
 788         .gpio_base = 128,
 789         .n_latch = 0,
 790         .setup = NULL,
 791         .teardown = NULL,
 792         .context = NULL,
 793 };
 794
 795 static const struct property_entry pca9500_eeprom_properties[] = {
 796         PROPERTY_ENTRY_U32("pagesize", 4),
 797         { }
 798 };
 799
 800 /**
 801  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 802  **/
 803 static int stargate2_reset_bluetooth(void)
 804 {
 805         int err;
 806         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 807         if (err) {
 808                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 809                 return err;
 810         }
 811         gpio_direction_output(SG2_BT_RESET, 1);
 812         mdelay(5);
 813         /* now reset it - 5 msec minimum */
 814         gpio_set_value(SG2_BT_RESET, 0);
 815         mdelay(10);
 816         gpio_set_value(SG2_BT_RESET, 1);
 817         gpio_free(SG2_BT_RESET);
 818         return 0;
 819 }
 820
 821 static struct led_info stargate2_leds[] = {
 822         {
 823                 .name = "sg2:red",
 824                 .flags = DA9030_LED_RATE_ON,
 825         }, {
 826                 .name = "sg2:blue",
 827                 .flags = DA9030_LED_RATE_ON,
 828         }, {
 829                 .name = "sg2:green",
 830                 .flags = DA9030_LED_RATE_ON,
 831         },
 832 };
 833
 834 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 835         {
 836                 .name = "da903x-led",
 837                 .id = DA9030_ID_LED_2,
 838                 .platform_data = &stargate2_leds[0],
 839         }, {
 840                 .name = "da903x-led",
 841                 .id = DA9030_ID_LED_3,
 842                 .platform_data = &stargate2_leds[2],
 843         }, {
 844                 .name = "da903x-led",
 845                 .id = DA9030_ID_LED_4,
 846                 .platform_data = &stargate2_leds[1],
 847         }, {
 848                 .name = "da903x-regulator",
 849                 .id = DA9030_ID_LDO2,
 850                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 851         }, {
 852                 .name = "da903x-regulator",
 853                 .id = DA9030_ID_LDO3,
 854                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 855         }, {
 856                 .name = "da903x-regulator",
 857                 .id = DA9030_ID_LDO4,
 858                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 859         }, {
 860                 .name = "da903x-regulator",
 861                 .id = DA9030_ID_LDO5,
 862                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 863         }, {
 864                 .name = "da903x-regulator",
 865                 .id = DA9030_ID_LDO6,
 866                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 867         }, {
 868                 .name = "da903x-regulator",
 869                 .id = DA9030_ID_LDO7,
 870                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 871         }, {
 872                 .name = "da903x-regulator",
 873                 .id = DA9030_ID_LDO8,
 874                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 875         }, {
 876                 .name = "da903x-regulator",
 877                 .id = DA9030_ID_LDO9,
 878                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 879         }, {
 880                 .name = "da903x-regulator",
 881                 .id = DA9030_ID_LDO10,
 882                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 883         }, {
 884                 .name = "da903x-regulator",
 885                 .id = DA9030_ID_LDO11,
 886                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 887         }, {
 888                 .name = "da903x-regulator",
 889                 .id = DA9030_ID_LDO12,
 890                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 891         }, {
 892                 .name = "da903x-regulator",
 893                 .id = DA9030_ID_LDO15,
 894                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 895         }, {
 896                 .name = "da903x-regulator",
 897                 .id = DA9030_ID_LDO17,
 898                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 899         }, {
 900                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 901                 .id = DA9030_ID_LDO18,
 902                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 903         }, {
 904                 .name = "da903x-regulator",
 905                 .id = DA9030_ID_LDO19,
 906                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 907         },
 908 };
 909
 910 static struct da903x_platform_data stargate2_da9030_pdata = {
 911         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 912         .subdevs = stargate2_da9030_subdevs,
 913 };
 914
 915 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 916         {
 917                 .type = "da9030",
 918                 .addr = 0x49,
 919                 .platform_data = &stargate2_da9030_pdata,
 920                 .irq = PXA_GPIO_TO_IRQ(1),
 921         },
 922 };
 923
 924 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 925         /* Techically this a pca9500 - but it's compatible with the 8574
 926          * for gpio expansion and the 24c02 for eeprom access.
 927          */
 928         {
 929                 .type = "pcf8574",
 930                 .addr =  0x27,
 931                 .platform_data = &platform_data_pcf857x,
 932         }, {
 933                 .type = "24c02",
 934                 .addr = 0x57,
 935                 .properties = pca9500_eeprom_properties,
 936         }, {
 937                 .type = "max1238",
 938                 .addr = 0x35,
 939         }, { /* ITS400 Sensor board only */
 940                 .type = "max1363",
 941                 .addr = 0x34,
 942                 /* Through a nand gate - Also beware, on V2 sensor board the
 943                  * pull up resistors are missing.
 944                  */
 945                 .irq = PXA_GPIO_TO_IRQ(99),
 946         }, { /* ITS400 Sensor board only */
 947                 .type = "tsl2561",
 948                 .addr = 0x49,
 949                 /* Through a nand gate - Also beware, on V2 sensor board the
 950                  * pull up resistors are missing.
 951                  */
 952                 .irq = PXA_GPIO_TO_IRQ(99),
 953         }, { /* ITS400 Sensor board only */
 954                 .type = "tmp175",
 955                 .addr = 0x4A,
 956                 .irq = PXA_GPIO_TO_IRQ(96),
 957         },
 958 };
 959
 960 /* Board doesn't support cable detection - so always lie and say
 961  * something is there.
 962  */
 963 static int sg2_udc_detect(void)
 964 {
 965         return 1;
 966 }
 967
 968 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 969         .udc_is_connected       = sg2_udc_detect,
 970         .udc_command            = sg2_udc_command,
 971 };
 972
 973 static struct platform_device *stargate2_devices[] = {
 974         &stargate2_flash_device,
 975         &stargate2_sram,
 976         &smc91x_device,
 977         &sht15,
 978 };
 979
 980 static void __init stargate2_init(void)
 981 {
 982         /* This is probably a board specific hack as this must be set
 983            prior to connecting the MFP stuff up. */
 984         __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
 985
 986         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 987
 988         imote2_stargate2_init();
 989
 990         gpiod_add_lookup_table(&sht15_gpiod_table);
 991         platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 992
 993         i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 994         i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 995                                 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 996
 997         pxa_set_mci_info(&stargate2_mci_platform_data);
 998
 999         pxa_set_udc_info(&stargate2_udc_info);
1000
1001         stargate2_reset_bluetooth();
1002 }
1003 #endif
1004
1005 #ifdef CONFIG_MACH_INTELMOTE2
1006 MACHINE_START(INTELMOTE2, "IMOTE 2")
1007         .map_io         = pxa27x_map_io,
1008         .nr_irqs        = PXA_NR_IRQS,
1009         .init_irq       = pxa27x_init_irq,
1010         .handle_irq     = pxa27x_handle_irq,
1011         .init_time      = pxa_timer_init,
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         .init_time      = pxa_timer_init,
1025         .init_machine = stargate2_init,
1026         .atag_offset = 0x100,
1027         .restart        = pxa_restart,
1028 MACHINE_END
1029 #endif