linux/arch/arm/mach-pxa/stargate2.c
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   1/*
   2 *  linux/arch/arm/mach-pxa/stargate2.c
   3 *
   4 *  Author:     Ed C. Epp
   5 *  Created:    Nov 05, 2002
   6 *  Copyright:  Intel Corp.
   7 *
   8 *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk>
   9 *
  10 *  This program is free software; you can redistribute it and/or modify
  11 *  it under the terms of the GNU General Public License version 2 as
  12 *  published by the Free Software Foundation.
  13 */
  14
  15#include <linux/init.h>
  16#include <linux/device.h>
  17#include <linux/interrupt.h>
  18#include <linux/sched.h>
  19#include <linux/bitops.h>
  20#include <linux/fb.h>
  21#include <linux/delay.h>
  22#include <linux/platform_device.h>
  23#include <linux/regulator/machine.h>
  24#include <linux/mtd/mtd.h>
  25#include <linux/mtd/plat-ram.h>
  26#include <linux/mtd/partitions.h>
  27
  28#include <linux/i2c/pxa-i2c.h>
  29#include <linux/i2c/pcf857x.h>
  30#include <linux/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 <mach/pxa27x.h>
  47#include <linux/platform_data/mmc-pxamci.h>
  48#include <mach/udc.h>
  49#include <mach/pxa27x-udc.h>
  50#include <mach/smemc.h>
  51
  52#include <linux/spi/spi.h>
  53#include <linux/spi/pxa2xx_spi.h>
  54#include <linux/mfd/da903x.h>
  55#include <linux/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
  69static 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
 140static struct sht15_platform_data platform_data_sht15 = {
 141        .gpio_data =  100,
 142        .gpio_sck  =  98,
 143};
 144
 145static struct platform_device sht15 = {
 146        .name = "sht15",
 147        .id = -1,
 148        .dev = {
 149                .platform_data = &platform_data_sht15,
 150        },
 151};
 152
 153static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 154        REGULATOR_SUPPLY("vcc", "sht15"),
 155};
 156
 157enum 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 */
 184static 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
 296static 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
 315static struct resource flash_resources = {
 316        .start = PXA_CS0_PHYS,
 317        .end = PXA_CS0_PHYS + SZ_32M - 1,
 318        .flags = IORESOURCE_MEM,
 319};
 320
 321static 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
 329static 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
 339static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
 340        .num_chipselect = 1,
 341};
 342
 343static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 344        .num_chipselect = 1,
 345};
 346
 347static 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 */
 353static 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
 361static 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
 369static 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
 386static 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
 398static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 399        .fast_mode = 1,
 400};
 401
 402static struct i2c_pxa_platform_data i2c_pdata = {
 403        .fast_mode = 1,
 404};
 405
 406static 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 */
 429static int imote2_mci_get_ro(struct device *dev)
 430{
 431        return 0;
 432}
 433
 434/* Rather simple case as hotplugging not possible */
 435static 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
 443static 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
 459static struct gpio_led_platform_data imote2_led_data = {
 460        .num_leds = ARRAY_SIZE(imote2_led_pins),
 461        .leds     = imote2_led_pins,
 462};
 463
 464static struct platform_device imote2_leds = {
 465        .name = "leds-gpio",
 466        .id   = -1,
 467        .dev = {
 468                .platform_data = &imote2_led_data,
 469        },
 470};
 471
 472static 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
 536static struct da903x_platform_data imote2_da9030_pdata = {
 537        .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 538        .subdevs = imote2_da9030_subdevs,
 539};
 540
 541static 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
 550static 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
 578static 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
 589static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 590        .udc_command            = sg2_udc_command,
 591};
 592
 593static struct platform_device imote2_audio_device = {
 594        .name = "imote2-audio",
 595        .id   = -1,
 596};
 597
 598static struct platform_device *imote2_devices[] = {
 599        &stargate2_flash_device,
 600        &imote2_leds,
 601        &sht15,
 602        &imote2_audio_device,
 603};
 604
 605static 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
 625static 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
 659static 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
 673static struct smc91x_platdata stargate2_smc91x_info = {
 674        .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 675        | SMC91X_NOWAIT | SMC91X_USE_DMA,
 676};
 677
 678static 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 */
 693static 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 */
 737static 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
 743static 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
 750static 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 */
 766static struct resource sram_resources = {
 767        .start = PXA_CS1_PHYS,
 768        .end = PXA_CS1_PHYS + SZ_32M-1,
 769        .flags = IORESOURCE_MEM,
 770};
 771
 772static struct platdata_mtd_ram stargate2_sram_pdata = {
 773        .mapname = "Stargate2 SRAM",
 774        .bankwidth = 2,
 775};
 776
 777static 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
 787static 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
 795static struct at24_platform_data pca9500_eeprom_pdata = {
 796        .byte_len = 256,
 797        .page_size = 4,
 798};
 799
 800/**
 801 * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 802 **/
 803static 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
 821static 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
 834static 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
 910static struct da903x_platform_data stargate2_da9030_pdata = {
 911        .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 912        .subdevs = stargate2_da9030_subdevs,
 913};
 914
 915static 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
 924static 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                .platform_data = &pca9500_eeprom_pdata,
 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 */
 963static int sg2_udc_detect(void)
 964{
 965        return 1;
 966}
 967
 968static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 969        .udc_is_connected       = sg2_udc_detect,
 970        .udc_command            = sg2_udc_command,
 971};
 972
 973static struct platform_device *stargate2_devices[] = {
 974        &stargate2_flash_device,
 975        &stargate2_sram,
 976        &smc91x_device,
 977        &sht15,
 978};
 979
 980static 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        platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 991
 992        i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 993        i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 994                                ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 995
 996        pxa_set_mci_info(&stargate2_mci_platform_data);
 997
 998        pxa_set_udc_info(&stargate2_udc_info);
 999
1000        stargate2_reset_bluetooth();
1001}
1002#endif
1003
1004#ifdef CONFIG_MACH_INTELMOTE2
1005MACHINE_START(INTELMOTE2, "IMOTE 2")
1006        .map_io         = pxa27x_map_io,
1007        .nr_irqs        = PXA_NR_IRQS,
1008        .init_irq       = pxa27x_init_irq,
1009        .handle_irq     = pxa27x_handle_irq,
1010        .init_time      = pxa_timer_init,
1011        .init_machine   = imote2_init,
1012        .atag_offset    = 0x100,
1013        .restart        = pxa_restart,
1014MACHINE_END
1015#endif
1016
1017#ifdef CONFIG_MACH_STARGATE2
1018MACHINE_START(STARGATE2, "Stargate 2")
1019        .map_io = pxa27x_map_io,
1020        .nr_irqs = STARGATE_NR_IRQS,
1021        .init_irq = pxa27x_init_irq,
1022        .handle_irq = pxa27x_handle_irq,
1023        .init_time      = pxa_timer_init,
1024        .init_machine = stargate2_init,
1025        .atag_offset = 0x100,
1026        .restart        = pxa_restart,
1027MACHINE_END
1028#endif
1029