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/platform_data/pcf857x.h>
  30 #include <linux/platform_data/at24.h>
  31 #include <linux/smc91x.h>
  32 #include <linux/gpio/machine.h>
  33 #include <linux/gpio.h>
  34 #include <linux/leds.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_master pxa_ssp_master_0_info = {
 341         .num_chipselect = 1,
 342 };
 343
 344 static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 345         .num_chipselect = 1,
 346 };
 347
 348 static struct pxa2xx_spi_master 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         .gpio_card_detect = -1,
 440         .gpio_card_ro   = -1,
 441         .gpio_power = -1,
 442 };
 443
 444 static struct gpio_led imote2_led_pins[] = {
 445         {
 446                 .name       =  "imote2:red",
 447                 .gpio       = 103,
 448                 .active_low = 1,
 449         }, {
 450                 .name       = "imote2:green",
 451                 .gpio       = 104,
 452                 .active_low = 1,
 453         }, {
 454                 .name       = "imote2:blue",
 455                 .gpio       = 105,
 456                 .active_low = 1,
 457         },
 458 };
 459
 460 static struct gpio_led_platform_data imote2_led_data = {
 461         .num_leds = ARRAY_SIZE(imote2_led_pins),
 462         .leds     = imote2_led_pins,
 463 };
 464
 465 static struct platform_device imote2_leds = {
 466         .name = "leds-gpio",
 467         .id   = -1,
 468         .dev = {
 469                 .platform_data = &imote2_led_data,
 470         },
 471 };
 472
 473 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 474         {
 475                 .name = "da903x-regulator",
 476                 .id = DA9030_ID_LDO2,
 477                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 478         }, {
 479                 .name = "da903x-regulator",
 480                 .id = DA9030_ID_LDO3,
 481                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 482         }, {
 483                 .name = "da903x-regulator",
 484                 .id = DA9030_ID_LDO4,
 485                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 486         }, {
 487                 .name = "da903x-regulator",
 488                 .id = DA9030_ID_LDO5,
 489                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 490         }, {
 491                 .name = "da903x-regulator",
 492                 .id = DA9030_ID_LDO6,
 493                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 494         }, {
 495                 .name = "da903x-regulator",
 496                 .id = DA9030_ID_LDO7,
 497                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 498         }, {
 499                 .name = "da903x-regulator",
 500                 .id = DA9030_ID_LDO8,
 501                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 502         }, {
 503                 .name = "da903x-regulator",
 504                 .id = DA9030_ID_LDO9,
 505                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 506         }, {
 507                 .name = "da903x-regulator",
 508                 .id = DA9030_ID_LDO10,
 509                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 510         }, {
 511                 .name = "da903x-regulator",
 512                 .id = DA9030_ID_LDO11,
 513                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 514         }, {
 515                 .name = "da903x-regulator",
 516                 .id = DA9030_ID_LDO12,
 517                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 518         }, {
 519                 .name = "da903x-regulator",
 520                 .id = DA9030_ID_LDO15,
 521                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 522         }, {
 523                 .name = "da903x-regulator",
 524                 .id = DA9030_ID_LDO17,
 525                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 526         }, {
 527                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 528                 .id = DA9030_ID_LDO18,
 529                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 530         }, {
 531                 .name = "da903x-regulator",
 532                 .id = DA9030_ID_LDO19,
 533                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 534         },
 535 };
 536
 537 static struct da903x_platform_data imote2_da9030_pdata = {
 538         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 539         .subdevs = imote2_da9030_subdevs,
 540 };
 541
 542 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 543         {
 544                 .type = "da9030",
 545                 .addr = 0x49,
 546                 .platform_data = &imote2_da9030_pdata,
 547                 .irq = PXA_GPIO_TO_IRQ(1),
 548         },
 549 };
 550
 551 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 552         { /* UCAM sensor board */
 553                 .type = "max1239",
 554                 .addr = 0x35,
 555         }, { /* ITS400 Sensor board only */
 556                 .type = "max1363",
 557                 .addr = 0x34,
 558                 /* Through a nand gate - Also beware, on V2 sensor board the
 559                  * pull up resistors are missing.
 560                  */
 561                 .irq = PXA_GPIO_TO_IRQ(99),
 562         }, { /* ITS400 Sensor board only */
 563                 .type = "tsl2561",
 564                 .addr = 0x49,
 565                 /* Through a nand gate - Also beware, on V2 sensor board the
 566                  * pull up resistors are missing.
 567                  */
 568                 .irq = PXA_GPIO_TO_IRQ(99),
 569         }, { /* ITS400 Sensor board only */
 570                 .type = "tmp175",
 571                 .addr = 0x4A,
 572                 .irq = PXA_GPIO_TO_IRQ(96),
 573         }, { /* IMB400 Multimedia board */
 574                 .type = "wm8940",
 575                 .addr = 0x1A,
 576         },
 577 };
 578
 579 static unsigned long imote2_pin_config[] __initdata = {
 580
 581         /* Button */
 582         GPIO91_GPIO,
 583
 584         /* LEDS */
 585         GPIO103_GPIO, /* red led */
 586         GPIO104_GPIO, /* green led */
 587         GPIO105_GPIO, /* blue led */
 588 };
 589
 590 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 591         .udc_command            = sg2_udc_command,
 592 };
 593
 594 static struct platform_device imote2_audio_device = {
 595         .name = "imote2-audio",
 596         .id   = -1,
 597 };
 598
 599 static struct platform_device *imote2_devices[] = {
 600         &stargate2_flash_device,
 601         &imote2_leds,
 602         &sht15,
 603         &imote2_audio_device,
 604 };
 605
 606 static void __init imote2_init(void)
 607 {
 608         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 609
 610         imote2_stargate2_init();
 611
 612         gpiod_add_lookup_table(&sht15_gpiod_table);
 613         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 614
 615         i2c_register_board_info(0, imote2_i2c_board_info,
 616                                 ARRAY_SIZE(imote2_i2c_board_info));
 617         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 618                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 619
 620         pxa_set_mci_info(&imote2_mci_platform_data);
 621         pxa_set_udc_info(&imote2_udc_info);
 622 }
 623 #endif
 624
 625 #ifdef CONFIG_MACH_STARGATE2
 626
 627 static unsigned long stargate2_pin_config[] __initdata = {
 628
 629         GPIO15_nCS_1, /* SRAM */
 630         /* SMC91x */
 631         GPIO80_nCS_4,
 632         GPIO40_GPIO, /*cable detect?*/
 633
 634         /* Button */
 635         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 636
 637         /* Compact Flash */
 638         GPIO79_PSKTSEL,
 639         GPIO48_nPOE,
 640         GPIO49_nPWE,
 641         GPIO50_nPIOR,
 642         GPIO51_nPIOW,
 643         GPIO85_nPCE_1,
 644         GPIO54_nPCE_2,
 645         GPIO55_nPREG,
 646         GPIO56_nPWAIT,
 647         GPIO57_nIOIS16,
 648         GPIO120_GPIO, /* Buff ctrl */
 649         GPIO108_GPIO, /* Power ctrl */
 650         GPIO82_GPIO, /* Reset */
 651         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 652
 653         /* MMC not shared with imote2 */
 654         GPIO90_GPIO, /* nSD detect */
 655         GPIO89_GPIO, /* SD_POWER_ENABLE */
 656
 657         /* Bluetooth */
 658         GPIO81_GPIO, /* reset */
 659 };
 660
 661 static struct resource smc91x_resources[] = {
 662         [0] = {
 663                 .name = "smc91x-regs",
 664                 .start = (PXA_CS4_PHYS + 0x300),
 665                 .end = (PXA_CS4_PHYS + 0xfffff),
 666                 .flags = IORESOURCE_MEM,
 667         },
 668         [1] = {
 669                 .start = PXA_GPIO_TO_IRQ(40),
 670                 .end = PXA_GPIO_TO_IRQ(40),
 671                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 672         }
 673 };
 674
 675 static struct smc91x_platdata stargate2_smc91x_info = {
 676         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 677         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 678         .pxa_u16_align4 = true,
 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 int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 741 {
 742         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 743         return 0;
 744 }
 745
 746 static void stargate2_mci_exit(struct device *dev, void *data)
 747 {
 748         free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
 749         gpio_free(SG2_SD_POWER_ENABLE);
 750         gpio_free(SG2_GPIO_nSD_DETECT);
 751 }
 752
 753 static struct pxamci_platform_data stargate2_mci_platform_data = {
 754         .detect_delay_ms = 250,
 755         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 756         .init = stargate2_mci_init,
 757         .setpower = stargate2_mci_setpower,
 758         .exit = stargate2_mci_exit,
 759 };
 760
 761
 762 /*
 763  * SRAM - The Stargate 2 has 32MB of SRAM.
 764  *
 765  * Here it is made available as an MTD. This will then
 766  * typically have a cifs filesystem created on it to provide
 767  * fast temporary storage.
 768  */
 769 static struct resource sram_resources = {
 770         .start = PXA_CS1_PHYS,
 771         .end = PXA_CS1_PHYS + SZ_32M-1,
 772         .flags = IORESOURCE_MEM,
 773 };
 774
 775 static struct platdata_mtd_ram stargate2_sram_pdata = {
 776         .mapname = "Stargate2 SRAM",
 777         .bankwidth = 2,
 778 };
 779
 780 static struct platform_device stargate2_sram = {
 781         .name = "mtd-ram",
 782         .id = 0,
 783         .resource = &sram_resources,
 784         .num_resources = 1,
 785         .dev = {
 786                 .platform_data = &stargate2_sram_pdata,
 787         },
 788 };
 789
 790 static struct pcf857x_platform_data platform_data_pcf857x = {
 791         .gpio_base = 128,
 792         .n_latch = 0,
 793         .setup = NULL,
 794         .teardown = NULL,
 795         .context = NULL,
 796 };
 797
 798 static struct at24_platform_data pca9500_eeprom_pdata = {
 799         .byte_len = 256,
 800         .page_size = 4,
 801 };
 802
 803 /**
 804  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 805  **/
 806 static int stargate2_reset_bluetooth(void)
 807 {
 808         int err;
 809         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 810         if (err) {
 811                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 812                 return err;
 813         }
 814         gpio_direction_output(SG2_BT_RESET, 1);
 815         mdelay(5);
 816         /* now reset it - 5 msec minimum */
 817         gpio_set_value(SG2_BT_RESET, 0);
 818         mdelay(10);
 819         gpio_set_value(SG2_BT_RESET, 1);
 820         gpio_free(SG2_BT_RESET);
 821         return 0;
 822 }
 823
 824 static struct led_info stargate2_leds[] = {
 825         {
 826                 .name = "sg2:red",
 827                 .flags = DA9030_LED_RATE_ON,
 828         }, {
 829                 .name = "sg2:blue",
 830                 .flags = DA9030_LED_RATE_ON,
 831         }, {
 832                 .name = "sg2:green",
 833                 .flags = DA9030_LED_RATE_ON,
 834         },
 835 };
 836
 837 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 838         {
 839                 .name = "da903x-led",
 840                 .id = DA9030_ID_LED_2,
 841                 .platform_data = &stargate2_leds[0],
 842         }, {
 843                 .name = "da903x-led",
 844                 .id = DA9030_ID_LED_3,
 845                 .platform_data = &stargate2_leds[2],
 846         }, {
 847                 .name = "da903x-led",
 848                 .id = DA9030_ID_LED_4,
 849                 .platform_data = &stargate2_leds[1],
 850         }, {
 851                 .name = "da903x-regulator",
 852                 .id = DA9030_ID_LDO2,
 853                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 854         }, {
 855                 .name = "da903x-regulator",
 856                 .id = DA9030_ID_LDO3,
 857                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 858         }, {
 859                 .name = "da903x-regulator",
 860                 .id = DA9030_ID_LDO4,
 861                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 862         }, {
 863                 .name = "da903x-regulator",
 864                 .id = DA9030_ID_LDO5,
 865                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 866         }, {
 867                 .name = "da903x-regulator",
 868                 .id = DA9030_ID_LDO6,
 869                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 870         }, {
 871                 .name = "da903x-regulator",
 872                 .id = DA9030_ID_LDO7,
 873                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 874         }, {
 875                 .name = "da903x-regulator",
 876                 .id = DA9030_ID_LDO8,
 877                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 878         }, {
 879                 .name = "da903x-regulator",
 880                 .id = DA9030_ID_LDO9,
 881                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 882         }, {
 883                 .name = "da903x-regulator",
 884                 .id = DA9030_ID_LDO10,
 885                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 886         }, {
 887                 .name = "da903x-regulator",
 888                 .id = DA9030_ID_LDO11,
 889                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 890         }, {
 891                 .name = "da903x-regulator",
 892                 .id = DA9030_ID_LDO12,
 893                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 894         }, {
 895                 .name = "da903x-regulator",
 896                 .id = DA9030_ID_LDO15,
 897                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 898         }, {
 899                 .name = "da903x-regulator",
 900                 .id = DA9030_ID_LDO17,
 901                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 902         }, {
 903                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 904                 .id = DA9030_ID_LDO18,
 905                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 906         }, {
 907                 .name = "da903x-regulator",
 908                 .id = DA9030_ID_LDO19,
 909                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 910         },
 911 };
 912
 913 static struct da903x_platform_data stargate2_da9030_pdata = {
 914         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 915         .subdevs = stargate2_da9030_subdevs,
 916 };
 917
 918 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 919         {
 920                 .type = "da9030",
 921                 .addr = 0x49,
 922                 .platform_data = &stargate2_da9030_pdata,
 923                 .irq = PXA_GPIO_TO_IRQ(1),
 924         },
 925 };
 926
 927 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 928         /* Techically this a pca9500 - but it's compatible with the 8574
 929          * for gpio expansion and the 24c02 for eeprom access.
 930          */
 931         {
 932                 .type = "pcf8574",
 933                 .addr =  0x27,
 934                 .platform_data = &platform_data_pcf857x,
 935         }, {
 936                 .type = "24c02",
 937                 .addr = 0x57,
 938                 .platform_data = &pca9500_eeprom_pdata,
 939         }, {
 940                 .type = "max1238",
 941                 .addr = 0x35,
 942         }, { /* ITS400 Sensor board only */
 943                 .type = "max1363",
 944                 .addr = 0x34,
 945                 /* Through a nand gate - Also beware, on V2 sensor board the
 946                  * pull up resistors are missing.
 947                  */
 948                 .irq = PXA_GPIO_TO_IRQ(99),
 949         }, { /* ITS400 Sensor board only */
 950                 .type = "tsl2561",
 951                 .addr = 0x49,
 952                 /* Through a nand gate - Also beware, on V2 sensor board the
 953                  * pull up resistors are missing.
 954                  */
 955                 .irq = PXA_GPIO_TO_IRQ(99),
 956         }, { /* ITS400 Sensor board only */
 957                 .type = "tmp175",
 958                 .addr = 0x4A,
 959                 .irq = PXA_GPIO_TO_IRQ(96),
 960         },
 961 };
 962
 963 /* Board doesn't support cable detection - so always lie and say
 964  * something is there.
 965  */
 966 static int sg2_udc_detect(void)
 967 {
 968         return 1;
 969 }
 970
 971 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 972         .udc_is_connected       = sg2_udc_detect,
 973         .udc_command            = sg2_udc_command,
 974 };
 975
 976 static struct platform_device *stargate2_devices[] = {
 977         &stargate2_flash_device,
 978         &stargate2_sram,
 979         &smc91x_device,
 980         &sht15,
 981 };
 982
 983 static void __init stargate2_init(void)
 984 {
 985         /* This is probably a board specific hack as this must be set
 986            prior to connecting the MFP stuff up. */
 987         __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
 988
 989         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 990
 991         imote2_stargate2_init();
 992
 993         gpiod_add_lookup_table(&sht15_gpiod_table);
 994         platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 995
 996         i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 997         i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 998                                 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 999
1000         pxa_set_mci_info(&stargate2_mci_platform_data);
1001
1002         pxa_set_udc_info(&stargate2_udc_info);
1003
1004         stargate2_reset_bluetooth();
1005 }
1006 #endif
1007
1008 #ifdef CONFIG_MACH_INTELMOTE2
1009 MACHINE_START(INTELMOTE2, "IMOTE 2")
1010         .map_io         = pxa27x_map_io,
1011         .nr_irqs        = PXA_NR_IRQS,
1012         .init_irq       = pxa27x_init_irq,
1013         .handle_irq     = pxa27x_handle_irq,
1014         .init_time      = pxa_timer_init,
1015         .init_machine   = imote2_init,
1016         .atag_offset    = 0x100,
1017         .restart        = pxa_restart,
1018 MACHINE_END
1019 #endif
1020
1021 #ifdef CONFIG_MACH_STARGATE2
1022 MACHINE_START(STARGATE2, "Stargate 2")
1023         .map_io = pxa27x_map_io,
1024         .nr_irqs = STARGATE_NR_IRQS,
1025         .init_irq = pxa27x_init_irq,
1026         .handle_irq = pxa27x_handle_irq,
1027         .init_time      = pxa_timer_init,
1028         .init_machine = stargate2_init,
1029         .atag_offset = 0x100,
1030         .restart        = pxa_restart,
1031 MACHINE_END
1032 #endif