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.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 "pxa27x.h"
  47 #include <linux/platform_data/mmc-pxamci.h>
  48 #include "udc.h"
  49 #include "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/platform_data/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         REGULATOR_SUPPLY("vcc", "sht15"),
 155 };
 156
 157 enum stargate2_ldos{
 158         vcc_vref,
 159         vcc_cc2420,
 160         /* a mote connector? */
 161         vcc_mica,
 162         /* the CSR bluecore chip */
 163         vcc_bt,
 164         /* The two voltages available to sensor boards */
 165         vcc_sensor_1_8,
 166         vcc_sensor_3,
 167         /* directly connected to the pxa27x */
 168         vcc_sram_ext,
 169         vcc_pxa_pll,
 170         vcc_pxa_usim, /* Reference voltage for certain gpios */
 171         vcc_pxa_mem,
 172         vcc_pxa_flash,
 173         vcc_pxa_core, /*Dc-Dc buck not yet supported */
 174         vcc_lcd,
 175         vcc_bb,
 176         vcc_bbio, /*not sure!*/
 177         vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 178 };
 179
 180 /* The values of the various regulator constraints are obviously dependent
 181  * on exactly what is wired to each ldo.  Unfortunately this information is
 182  * not generally available.  More information has been requested from Xbow.
 183  */
 184 static struct regulator_init_data stargate2_ldo_init_data[] = {
 185         [vcc_bbio] = {
 186                 .constraints = { /* board default 1.8V */
 187                         .name = "vcc_bbio",
 188                         .min_uV = 1800000,
 189                         .max_uV = 1800000,
 190                 },
 191         },
 192         [vcc_bb] = {
 193                 .constraints = { /* board default 2.8V */
 194                         .name = "vcc_bb",
 195                         .min_uV = 2700000,
 196                         .max_uV = 3000000,
 197                 },
 198         },
 199         [vcc_pxa_flash] = {
 200                 .constraints = {/* default is 1.8V */
 201                         .name = "vcc_pxa_flash",
 202                         .min_uV = 1800000,
 203                         .max_uV = 1800000,
 204                 },
 205         },
 206         [vcc_cc2420] = { /* also vcc_io */
 207                 .constraints = {
 208                         /* board default is 2.8V */
 209                         .name = "vcc_cc2420",
 210                         .min_uV = 2700000,
 211                         .max_uV = 3300000,
 212                 },
 213         },
 214         [vcc_vref] = { /* Reference for what? */
 215                 .constraints = { /* default 1.8V */
 216                         .name = "vcc_vref",
 217                         .min_uV = 1800000,
 218                         .max_uV = 1800000,
 219                 },
 220         },
 221         [vcc_sram_ext] = {
 222                 .constraints = { /* default 2.8V */
 223                         .name = "vcc_sram_ext",
 224                         .min_uV = 2800000,
 225                         .max_uV = 2800000,
 226                 },
 227         },
 228         [vcc_mica] = {
 229                 .constraints = { /* default 2.8V */
 230                         .name = "vcc_mica",
 231                         .min_uV = 2800000,
 232                         .max_uV = 2800000,
 233                 },
 234         },
 235         [vcc_bt] = {
 236                 .constraints = { /* default 2.8V */
 237                         .name = "vcc_bt",
 238                         .min_uV = 2800000,
 239                         .max_uV = 2800000,
 240                 },
 241         },
 242         [vcc_lcd] = {
 243                 .constraints = { /* default 2.8V */
 244                         .name = "vcc_lcd",
 245                         .min_uV = 2700000,
 246                         .max_uV = 3300000,
 247                 },
 248         },
 249         [vcc_io] = { /* Same or higher than everything
 250                           * bar vccbat and vccusb */
 251                 .constraints = { /* default 2.8V */
 252                         .name = "vcc_io",
 253                         .min_uV = 2692000,
 254                         .max_uV = 3300000,
 255                 },
 256         },
 257         [vcc_sensor_1_8] = {
 258                 .constraints = { /* default 1.8V */
 259                         .name = "vcc_sensor_1_8",
 260                         .min_uV = 1800000,
 261                         .max_uV = 1800000,
 262                 },
 263         },
 264         [vcc_sensor_3] = { /* curiously default 2.8V */
 265                 .constraints = {
 266                         .name = "vcc_sensor_3",
 267                         .min_uV = 2800000,
 268                         .max_uV = 3000000,
 269                 },
 270                 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 271                 .consumer_supplies = stargate2_sensor_3_con,
 272         },
 273         [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 274                 .constraints = {
 275                         .name = "vcc_pxa_pll",
 276                         .min_uV = 1170000,
 277                         .max_uV = 1430000,
 278                 },
 279         },
 280         [vcc_pxa_usim] = {
 281                 .constraints = { /* default 1.8V */
 282                         .name = "vcc_pxa_usim",
 283                         .min_uV = 1710000,
 284                         .max_uV = 2160000,
 285                 },
 286         },
 287         [vcc_pxa_mem] = {
 288                 .constraints = { /* default 1.8V */
 289                         .name = "vcc_pxa_mem",
 290                         .min_uV = 1800000,
 291                         .max_uV = 1800000,
 292                 },
 293         },
 294 };
 295
 296 static struct mtd_partition stargate2flash_partitions[] = {
 297         {
 298                 .name = "Bootloader",
 299                 .size = 0x00040000,
 300                 .offset = 0,
 301                 .mask_flags = 0,
 302         }, {
 303                 .name = "Kernel",
 304                 .size = 0x00200000,
 305                 .offset = 0x00040000,
 306                 .mask_flags = 0
 307         }, {
 308                 .name = "Filesystem",
 309                 .size = 0x01DC0000,
 310                 .offset = 0x00240000,
 311                 .mask_flags = 0
 312         },
 313 };
 314
 315 static struct resource flash_resources = {
 316         .start = PXA_CS0_PHYS,
 317         .end = PXA_CS0_PHYS + SZ_32M - 1,
 318         .flags = IORESOURCE_MEM,
 319 };
 320
 321 static struct flash_platform_data stargate2_flash_data = {
 322         .map_name = "cfi_probe",
 323         .parts = stargate2flash_partitions,
 324         .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 325         .name = "PXA27xOnChipROM",
 326         .width = 2,
 327 };
 328
 329 static struct platform_device stargate2_flash_device = {
 330         .name = "pxa2xx-flash",
 331         .id = 0,
 332         .dev = {
 333                 .platform_data = &stargate2_flash_data,
 334         },
 335         .resource = &flash_resources,
 336         .num_resources = 1,
 337 };
 338
 339 static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
 340         .num_chipselect = 1,
 341 };
 342
 343 static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 344         .num_chipselect = 1,
 345 };
 346
 347 static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
 348         .num_chipselect = 1,
 349 };
 350
 351 /* An upcoming kernel change will scrap SFRM usage so these
 352  * drivers have been moved to use gpio's via cs_control */
 353 static struct pxa2xx_spi_chip staccel_chip_info = {
 354         .tx_threshold = 8,
 355         .rx_threshold = 8,
 356         .dma_burst_size = 8,
 357         .timeout = 235,
 358         .gpio_cs = 24,
 359 };
 360
 361 static struct pxa2xx_spi_chip cc2420_info = {
 362         .tx_threshold = 8,
 363         .rx_threshold = 8,
 364         .dma_burst_size = 8,
 365         .timeout = 235,
 366         .gpio_cs = 39,
 367 };
 368
 369 static struct spi_board_info spi_board_info[] __initdata = {
 370         {
 371                 .modalias = "lis3l02dq",
 372                 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 373                 .bus_num = 1,
 374                 .chip_select = 0,
 375                 .controller_data = &staccel_chip_info,
 376                 .irq = PXA_GPIO_TO_IRQ(96),
 377         }, {
 378                 .modalias = "cc2420",
 379                 .max_speed_hz = 6500000,
 380                 .bus_num = 3,
 381                 .chip_select = 0,
 382                 .controller_data = &cc2420_info,
 383         },
 384 };
 385
 386 static void sg2_udc_command(int cmd)
 387 {
 388         switch (cmd) {
 389         case PXA2XX_UDC_CMD_CONNECT:
 390                 UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 391                 break;
 392         case PXA2XX_UDC_CMD_DISCONNECT:
 393                 UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 394                 break;
 395         }
 396 }
 397
 398 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 399         .fast_mode = 1,
 400 };
 401
 402 static struct i2c_pxa_platform_data i2c_pdata = {
 403         .fast_mode = 1,
 404 };
 405
 406 static void __init imote2_stargate2_init(void)
 407 {
 408
 409         pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
 410
 411         pxa_set_ffuart_info(NULL);
 412         pxa_set_btuart_info(NULL);
 413         pxa_set_stuart_info(NULL);
 414
 415         pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 416         pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 417         pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 418         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 419
 420
 421         pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 422         pxa_set_i2c_info(&i2c_pdata);
 423 }
 424
 425 #ifdef CONFIG_MACH_INTELMOTE2
 426 /* As the the imote2 doesn't currently have a conventional SD slot
 427  * there is no option to hotplug cards, making all this rather simple
 428  */
 429 static int imote2_mci_get_ro(struct device *dev)
 430 {
 431         return 0;
 432 }
 433
 434 /* Rather simple case as hotplugging not possible */
 435 static struct pxamci_platform_data imote2_mci_platform_data = {
 436         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
 437         .get_ro = imote2_mci_get_ro,
 438         .gpio_card_detect = -1,
 439         .gpio_card_ro   = -1,
 440         .gpio_power = -1,
 441 };
 442
 443 static struct gpio_led imote2_led_pins[] = {
 444         {
 445                 .name       =  "imote2:red",
 446                 .gpio       = 103,
 447                 .active_low = 1,
 448         }, {
 449                 .name       = "imote2:green",
 450                 .gpio       = 104,
 451                 .active_low = 1,
 452         }, {
 453                 .name       = "imote2:blue",
 454                 .gpio       = 105,
 455                 .active_low = 1,
 456         },
 457 };
 458
 459 static struct gpio_led_platform_data imote2_led_data = {
 460         .num_leds = ARRAY_SIZE(imote2_led_pins),
 461         .leds     = imote2_led_pins,
 462 };
 463
 464 static struct platform_device imote2_leds = {
 465         .name = "leds-gpio",
 466         .id   = -1,
 467         .dev = {
 468                 .platform_data = &imote2_led_data,
 469         },
 470 };
 471
 472 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 473         {
 474                 .name = "da903x-regulator",
 475                 .id = DA9030_ID_LDO2,
 476                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 477         }, {
 478                 .name = "da903x-regulator",
 479                 .id = DA9030_ID_LDO3,
 480                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 481         }, {
 482                 .name = "da903x-regulator",
 483                 .id = DA9030_ID_LDO4,
 484                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 485         }, {
 486                 .name = "da903x-regulator",
 487                 .id = DA9030_ID_LDO5,
 488                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 489         }, {
 490                 .name = "da903x-regulator",
 491                 .id = DA9030_ID_LDO6,
 492                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 493         }, {
 494                 .name = "da903x-regulator",
 495                 .id = DA9030_ID_LDO7,
 496                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 497         }, {
 498                 .name = "da903x-regulator",
 499                 .id = DA9030_ID_LDO8,
 500                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 501         }, {
 502                 .name = "da903x-regulator",
 503                 .id = DA9030_ID_LDO9,
 504                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 505         }, {
 506                 .name = "da903x-regulator",
 507                 .id = DA9030_ID_LDO10,
 508                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 509         }, {
 510                 .name = "da903x-regulator",
 511                 .id = DA9030_ID_LDO11,
 512                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 513         }, {
 514                 .name = "da903x-regulator",
 515                 .id = DA9030_ID_LDO12,
 516                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 517         }, {
 518                 .name = "da903x-regulator",
 519                 .id = DA9030_ID_LDO15,
 520                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 521         }, {
 522                 .name = "da903x-regulator",
 523                 .id = DA9030_ID_LDO17,
 524                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 525         }, {
 526                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 527                 .id = DA9030_ID_LDO18,
 528                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 529         }, {
 530                 .name = "da903x-regulator",
 531                 .id = DA9030_ID_LDO19,
 532                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 533         },
 534 };
 535
 536 static struct da903x_platform_data imote2_da9030_pdata = {
 537         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 538         .subdevs = imote2_da9030_subdevs,
 539 };
 540
 541 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 542         {
 543                 .type = "da9030",
 544                 .addr = 0x49,
 545                 .platform_data = &imote2_da9030_pdata,
 546                 .irq = PXA_GPIO_TO_IRQ(1),
 547         },
 548 };
 549
 550 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 551         { /* UCAM sensor board */
 552                 .type = "max1239",
 553                 .addr = 0x35,
 554         }, { /* ITS400 Sensor board only */
 555                 .type = "max1363",
 556                 .addr = 0x34,
 557                 /* Through a nand gate - Also beware, on V2 sensor board the
 558                  * pull up resistors are missing.
 559                  */
 560                 .irq = PXA_GPIO_TO_IRQ(99),
 561         }, { /* ITS400 Sensor board only */
 562                 .type = "tsl2561",
 563                 .addr = 0x49,
 564                 /* Through a nand gate - Also beware, on V2 sensor board the
 565                  * pull up resistors are missing.
 566                  */
 567                 .irq = PXA_GPIO_TO_IRQ(99),
 568         }, { /* ITS400 Sensor board only */
 569                 .type = "tmp175",
 570                 .addr = 0x4A,
 571                 .irq = PXA_GPIO_TO_IRQ(96),
 572         }, { /* IMB400 Multimedia board */
 573                 .type = "wm8940",
 574                 .addr = 0x1A,
 575         },
 576 };
 577
 578 static unsigned long imote2_pin_config[] __initdata = {
 579
 580         /* Button */
 581         GPIO91_GPIO,
 582
 583         /* LEDS */
 584         GPIO103_GPIO, /* red led */
 585         GPIO104_GPIO, /* green led */
 586         GPIO105_GPIO, /* blue led */
 587 };
 588
 589 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 590         .udc_command            = sg2_udc_command,
 591 };
 592
 593 static struct platform_device imote2_audio_device = {
 594         .name = "imote2-audio",
 595         .id   = -1,
 596 };
 597
 598 static struct platform_device *imote2_devices[] = {
 599         &stargate2_flash_device,
 600         &imote2_leds,
 601         &sht15,
 602         &imote2_audio_device,
 603 };
 604
 605 static void __init imote2_init(void)
 606 {
 607         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 608
 609         imote2_stargate2_init();
 610
 611         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 612
 613         i2c_register_board_info(0, imote2_i2c_board_info,
 614                                 ARRAY_SIZE(imote2_i2c_board_info));
 615         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 616                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 617
 618         pxa_set_mci_info(&imote2_mci_platform_data);
 619         pxa_set_udc_info(&imote2_udc_info);
 620 }
 621 #endif
 622
 623 #ifdef CONFIG_MACH_STARGATE2
 624
 625 static unsigned long stargate2_pin_config[] __initdata = {
 626
 627         GPIO15_nCS_1, /* SRAM */
 628         /* SMC91x */
 629         GPIO80_nCS_4,
 630         GPIO40_GPIO, /*cable detect?*/
 631
 632         /* Button */
 633         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 634
 635         /* Compact Flash */
 636         GPIO79_PSKTSEL,
 637         GPIO48_nPOE,
 638         GPIO49_nPWE,
 639         GPIO50_nPIOR,
 640         GPIO51_nPIOW,
 641         GPIO85_nPCE_1,
 642         GPIO54_nPCE_2,
 643         GPIO55_nPREG,
 644         GPIO56_nPWAIT,
 645         GPIO57_nIOIS16,
 646         GPIO120_GPIO, /* Buff ctrl */
 647         GPIO108_GPIO, /* Power ctrl */
 648         GPIO82_GPIO, /* Reset */
 649         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 650
 651         /* MMC not shared with imote2 */
 652         GPIO90_GPIO, /* nSD detect */
 653         GPIO89_GPIO, /* SD_POWER_ENABLE */
 654
 655         /* Bluetooth */
 656         GPIO81_GPIO, /* reset */
 657 };
 658
 659 static struct resource smc91x_resources[] = {
 660         [0] = {
 661                 .name = "smc91x-regs",
 662                 .start = (PXA_CS4_PHYS + 0x300),
 663                 .end = (PXA_CS4_PHYS + 0xfffff),
 664                 .flags = IORESOURCE_MEM,
 665         },
 666         [1] = {
 667                 .start = PXA_GPIO_TO_IRQ(40),
 668                 .end = PXA_GPIO_TO_IRQ(40),
 669                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 670         }
 671 };
 672
 673 static struct smc91x_platdata stargate2_smc91x_info = {
 674         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 675         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 676         .pxa_u16_align4 = true,
 677 };
 678
 679 static struct platform_device smc91x_device = {
 680         .name = "smc91x",
 681         .id = -1,
 682         .num_resources = ARRAY_SIZE(smc91x_resources),
 683         .resource = smc91x_resources,
 684         .dev = {
 685                 .platform_data = &stargate2_smc91x_info,
 686         },
 687 };
 688
 689
 690 /*
 691  * The card detect interrupt isn't debounced so we delay it by 250ms
 692  * to give the card a chance to fully insert / eject.
 693  */
 694 static int stargate2_mci_init(struct device *dev,
 695                               irq_handler_t stargate2_detect_int,
 696                               void *data)
 697 {
 698         int err;
 699
 700         err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 701         if (err) {
 702                 printk(KERN_ERR "Can't get the gpio for SD power control");
 703                 goto return_err;
 704         }
 705         gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 706
 707         err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 708         if (err) {
 709                 printk(KERN_ERR "Can't get the sd detect gpio");
 710                 goto free_power_en;
 711         }
 712         gpio_direction_input(SG2_GPIO_nSD_DETECT);
 713
 714         err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
 715                           stargate2_detect_int,
 716                           IRQ_TYPE_EDGE_BOTH,
 717                           "MMC card detect",
 718                           data);
 719         if (err) {
 720                 printk(KERN_ERR "can't request MMC card detect IRQ\n");
 721                 goto free_nsd_detect;
 722         }
 723         return 0;
 724
 725  free_nsd_detect:
 726         gpio_free(SG2_GPIO_nSD_DETECT);
 727  free_power_en:
 728         gpio_free(SG2_SD_POWER_ENABLE);
 729  return_err:
 730         return err;
 731 }
 732
 733 /**
 734  * stargate2_mci_setpower() - set state of mmc power supply
 735  *
 736  * Very simple control. Either it is on or off and is controlled by
 737  * a gpio pin */
 738 static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 739 {
 740         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 741         return 0;
 742 }
 743
 744 static void stargate2_mci_exit(struct device *dev, void *data)
 745 {
 746         free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
 747         gpio_free(SG2_SD_POWER_ENABLE);
 748         gpio_free(SG2_GPIO_nSD_DETECT);
 749 }
 750
 751 static struct pxamci_platform_data stargate2_mci_platform_data = {
 752         .detect_delay_ms = 250,
 753         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 754         .init = stargate2_mci_init,
 755         .setpower = stargate2_mci_setpower,
 756         .exit = stargate2_mci_exit,
 757 };
 758
 759
 760 /*
 761  * SRAM - The Stargate 2 has 32MB of SRAM.
 762  *
 763  * Here it is made available as an MTD. This will then
 764  * typically have a cifs filesystem created on it to provide
 765  * fast temporary storage.
 766  */
 767 static struct resource sram_resources = {
 768         .start = PXA_CS1_PHYS,
 769         .end = PXA_CS1_PHYS + SZ_32M-1,
 770         .flags = IORESOURCE_MEM,
 771 };
 772
 773 static struct platdata_mtd_ram stargate2_sram_pdata = {
 774         .mapname = "Stargate2 SRAM",
 775         .bankwidth = 2,
 776 };
 777
 778 static struct platform_device stargate2_sram = {
 779         .name = "mtd-ram",
 780         .id = 0,
 781         .resource = &sram_resources,
 782         .num_resources = 1,
 783         .dev = {
 784                 .platform_data = &stargate2_sram_pdata,
 785         },
 786 };
 787
 788 static struct pcf857x_platform_data platform_data_pcf857x = {
 789         .gpio_base = 128,
 790         .n_latch = 0,
 791         .setup = NULL,
 792         .teardown = NULL,
 793         .context = NULL,
 794 };
 795
 796 static struct at24_platform_data pca9500_eeprom_pdata = {
 797         .byte_len = 256,
 798         .page_size = 4,
 799 };
 800
 801 /**
 802  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 803  **/
 804 static int stargate2_reset_bluetooth(void)
 805 {
 806         int err;
 807         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 808         if (err) {
 809                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 810                 return err;
 811         }
 812         gpio_direction_output(SG2_BT_RESET, 1);
 813         mdelay(5);
 814         /* now reset it - 5 msec minimum */
 815         gpio_set_value(SG2_BT_RESET, 0);
 816         mdelay(10);
 817         gpio_set_value(SG2_BT_RESET, 1);
 818         gpio_free(SG2_BT_RESET);
 819         return 0;
 820 }
 821
 822 static struct led_info stargate2_leds[] = {
 823         {
 824                 .name = "sg2:red",
 825                 .flags = DA9030_LED_RATE_ON,
 826         }, {
 827                 .name = "sg2:blue",
 828                 .flags = DA9030_LED_RATE_ON,
 829         }, {
 830                 .name = "sg2:green",
 831                 .flags = DA9030_LED_RATE_ON,
 832         },
 833 };
 834
 835 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 836         {
 837                 .name = "da903x-led",
 838                 .id = DA9030_ID_LED_2,
 839                 .platform_data = &stargate2_leds[0],
 840         }, {
 841                 .name = "da903x-led",
 842                 .id = DA9030_ID_LED_3,
 843                 .platform_data = &stargate2_leds[2],
 844         }, {
 845                 .name = "da903x-led",
 846                 .id = DA9030_ID_LED_4,
 847                 .platform_data = &stargate2_leds[1],
 848         }, {
 849                 .name = "da903x-regulator",
 850                 .id = DA9030_ID_LDO2,
 851                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 852         }, {
 853                 .name = "da903x-regulator",
 854                 .id = DA9030_ID_LDO3,
 855                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 856         }, {
 857                 .name = "da903x-regulator",
 858                 .id = DA9030_ID_LDO4,
 859                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 860         }, {
 861                 .name = "da903x-regulator",
 862                 .id = DA9030_ID_LDO5,
 863                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 864         }, {
 865                 .name = "da903x-regulator",
 866                 .id = DA9030_ID_LDO6,
 867                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 868         }, {
 869                 .name = "da903x-regulator",
 870                 .id = DA9030_ID_LDO7,
 871                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 872         }, {
 873                 .name = "da903x-regulator",
 874                 .id = DA9030_ID_LDO8,
 875                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 876         }, {
 877                 .name = "da903x-regulator",
 878                 .id = DA9030_ID_LDO9,
 879                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 880         }, {
 881                 .name = "da903x-regulator",
 882                 .id = DA9030_ID_LDO10,
 883                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 884         }, {
 885                 .name = "da903x-regulator",
 886                 .id = DA9030_ID_LDO11,
 887                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 888         }, {
 889                 .name = "da903x-regulator",
 890                 .id = DA9030_ID_LDO12,
 891                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 892         }, {
 893                 .name = "da903x-regulator",
 894                 .id = DA9030_ID_LDO15,
 895                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 896         }, {
 897                 .name = "da903x-regulator",
 898                 .id = DA9030_ID_LDO17,
 899                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 900         }, {
 901                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 902                 .id = DA9030_ID_LDO18,
 903                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 904         }, {
 905                 .name = "da903x-regulator",
 906                 .id = DA9030_ID_LDO19,
 907                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 908         },
 909 };
 910
 911 static struct da903x_platform_data stargate2_da9030_pdata = {
 912         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 913         .subdevs = stargate2_da9030_subdevs,
 914 };
 915
 916 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 917         {
 918                 .type = "da9030",
 919                 .addr = 0x49,
 920                 .platform_data = &stargate2_da9030_pdata,
 921                 .irq = PXA_GPIO_TO_IRQ(1),
 922         },
 923 };
 924
 925 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 926         /* Techically this a pca9500 - but it's compatible with the 8574
 927          * for gpio expansion and the 24c02 for eeprom access.
 928          */
 929         {
 930                 .type = "pcf8574",
 931                 .addr =  0x27,
 932                 .platform_data = &platform_data_pcf857x,
 933         }, {
 934                 .type = "24c02",
 935                 .addr = 0x57,
 936                 .platform_data = &pca9500_eeprom_pdata,
 937         }, {
 938                 .type = "max1238",
 939                 .addr = 0x35,
 940         }, { /* ITS400 Sensor board only */
 941                 .type = "max1363",
 942                 .addr = 0x34,
 943                 /* Through a nand gate - Also beware, on V2 sensor board the
 944                  * pull up resistors are missing.
 945                  */
 946                 .irq = PXA_GPIO_TO_IRQ(99),
 947         }, { /* ITS400 Sensor board only */
 948                 .type = "tsl2561",
 949                 .addr = 0x49,
 950                 /* Through a nand gate - Also beware, on V2 sensor board the
 951                  * pull up resistors are missing.
 952                  */
 953                 .irq = PXA_GPIO_TO_IRQ(99),
 954         }, { /* ITS400 Sensor board only */
 955                 .type = "tmp175",
 956                 .addr = 0x4A,
 957                 .irq = PXA_GPIO_TO_IRQ(96),
 958         },
 959 };
 960
 961 /* Board doesn't support cable detection - so always lie and say
 962  * something is there.
 963  */
 964 static int sg2_udc_detect(void)
 965 {
 966         return 1;
 967 }
 968
 969 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 970         .udc_is_connected       = sg2_udc_detect,
 971         .udc_command            = sg2_udc_command,
 972 };
 973
 974 static struct platform_device *stargate2_devices[] = {
 975         &stargate2_flash_device,
 976         &stargate2_sram,
 977         &smc91x_device,
 978         &sht15,
 979 };
 980
 981 static void __init stargate2_init(void)
 982 {
 983         /* This is probably a board specific hack as this must be set
 984            prior to connecting the MFP stuff up. */
 985         __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
 986
 987         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 988
 989         imote2_stargate2_init();
 990
 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