LXR linux/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/pcf857x.h>
  29#include <linux/i2c/at24.h>
  30#include <linux/smc91x.h>
  31#include <linux/gpio.h>
  32
  33#include <asm/types.h>
  34#include <asm/setup.h>
  35#include <asm/memory.h>
  36#include <asm/mach-types.h>
  37#include <asm/irq.h>
  38
  39#include <asm/mach/arch.h>
  40#include <asm/mach/map.h>
  41#include <asm/mach/irq.h>
  42#include <asm/mach/flash.h>
  43
  44#include <mach/pxa27x.h>
  45#include <plat/i2c.h>
  46#include <mach/mmc.h>
  47#include <mach/udc.h>
  48#include <mach/pxa2xx_spi.h>
  49#include <mach/pxa27x-udc.h>
  50
  51#include <linux/spi/spi.h>
  52#include <linux/mfd/da903x.h>
  53#include <linux/sht15.h>
  54
  55#include "devices.h"
  56#include "generic.h"
  57
  58/* Bluetooth */
  59#define SG2_BT_RESET            81
  60
  61/* SD */
  62#define SG2_GPIO_nSD_DETECT     90
  63#define SG2_SD_POWER_ENABLE     89
  64
  65static unsigned long stargate2_pin_config[] __initdata = {
  66
  67        GPIO15_nCS_1, /* SRAM */
  68        /* SMC91x */
  69        GPIO80_nCS_4,
  70        GPIO40_GPIO, /*cable detect?*/
  71        /* Device Identification for wakeup*/
  72        GPIO102_GPIO,
  73
  74        /* Button */
  75        GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
  76
  77        /* DA9030 */
  78        GPIO1_GPIO,
  79
  80        /* Compact Flash */
  81        GPIO79_PSKTSEL,
  82        GPIO48_nPOE,
  83        GPIO49_nPWE,
  84        GPIO50_nPIOR,
  85        GPIO51_nPIOW,
  86        GPIO85_nPCE_1,
  87        GPIO54_nPCE_2,
  88        GPIO55_nPREG,
  89        GPIO56_nPWAIT,
  90        GPIO57_nIOIS16,
  91        GPIO120_GPIO, /* Buff ctrl */
  92        GPIO108_GPIO, /* Power ctrl */
  93        GPIO82_GPIO, /* Reset */
  94        GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
  95
  96        /* MMC */
  97        GPIO32_MMC_CLK,
  98        GPIO112_MMC_CMD,
  99        GPIO92_MMC_DAT_0,
 100        GPIO109_MMC_DAT_1,
 101        GPIO110_MMC_DAT_2,
 102        GPIO111_MMC_DAT_3,
 103        GPIO90_GPIO, /* nSD detect */
 104        GPIO89_GPIO, /* SD_POWER_ENABLE */
 105
 106        /* Bluetooth */
 107        GPIO81_GPIO, /* reset */
 108
 109        /* cc2420 802.15.4 radio */
 110        GPIO22_GPIO,            /* CC_RSTN  (out)*/
 111        GPIO114_GPIO,           /* CC_FIFO (in) */
 112        GPIO116_GPIO,           /* CC_CCA (in) */
 113        GPIO0_GPIO,             /* CC_FIFOP (in) */
 114        GPIO16_GPIO,            /* CCSFD (in) */
 115        GPIO39_GPIO,            /* CSn (out) */
 116
 117        /* I2C */
 118        GPIO117_I2C_SCL,
 119        GPIO118_I2C_SDA,
 120
 121        /* SSP 3 - 802.15.4 radio */
 122        GPIO39_GPIO, /* chip select */
 123        GPIO34_SSP3_SCLK,
 124        GPIO35_SSP3_TXD,
 125        GPIO41_SSP3_RXD,
 126
 127        /* SSP 2 */
 128        GPIO11_SSP2_RXD,
 129        GPIO38_SSP2_TXD,
 130        GPIO36_SSP2_SCLK,
 131        GPIO37_GPIO, /* chip select */
 132
 133        /* SSP 1 */
 134        GPIO26_SSP1_RXD,
 135        GPIO25_SSP1_TXD,
 136        GPIO23_SSP1_SCLK,
 137        GPIO24_GPIO, /* chip select */
 138
 139        /* BTUART */
 140        GPIO42_BTUART_RXD,
 141        GPIO43_BTUART_TXD,
 142        GPIO44_BTUART_CTS,
 143        GPIO45_BTUART_RTS,
 144
 145        /* STUART */
 146        GPIO46_STUART_RXD,
 147        GPIO47_STUART_TXD,
 148
 149        /* Basic sensor board */
 150        GPIO96_GPIO,    /* accelerometer interrupt */
 151        GPIO99_GPIO,    /* ADC interrupt */
 152
 153        /* Connector pins specified as gpios */
 154        GPIO94_GPIO, /* large basic connector pin 14 */
 155        GPIO10_GPIO, /* large basic connector pin 23 */
 156
 157        /* SHT15 */
 158        GPIO100_GPIO,
 159        GPIO98_GPIO,
 160};
 161
 162/**
 163 * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 164 **/
 165static int stargate2_reset_bluetooth(void)
 166{
 167        int err;
 168        err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 169        if (err) {
 170                printk(KERN_ERR "Could not get gpio for bluetooth reset \n");
 171                return err;
 172        }
 173        gpio_direction_output(SG2_BT_RESET, 1);
 174        mdelay(5);
 175        /* now reset it - 5 msec minimum */
 176        gpio_set_value(SG2_BT_RESET, 0);
 177        mdelay(10);
 178        gpio_set_value(SG2_BT_RESET, 1);
 179        gpio_free(SG2_BT_RESET);
 180        return 0;
 181}
 182
 183static struct led_info stargate2_leds[] = {
 184        {
 185                .name = "sg2:red",
 186                .flags = DA9030_LED_RATE_ON,
 187        }, {
 188                .name = "sg2:blue",
 189                .flags = DA9030_LED_RATE_ON,
 190        }, {
 191                .name = "sg2:green",
 192                .flags = DA9030_LED_RATE_ON,
 193        },
 194};
 195
 196static struct sht15_platform_data platform_data_sht15 = {
 197        .gpio_data =  100,
 198        .gpio_sck  =  98,
 199};
 200
 201static struct platform_device sht15 = {
 202        .name = "sht15",
 203        .id = -1,
 204        .dev = {
 205                .platform_data = &platform_data_sht15,
 206        },
 207};
 208
 209static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 210        {
 211                .dev = &sht15.dev,
 212                .supply = "vcc",
 213        },
 214};
 215
 216enum stargate2_ldos{
 217        vcc_vref,
 218        vcc_cc2420,
 219        /* a mote connector? */
 220        vcc_mica,
 221        /* the CSR bluecore chip */
 222        vcc_bt,
 223        /* The two voltages available to sensor boards */
 224        vcc_sensor_1_8,
 225        vcc_sensor_3,
 226        /* directly connected to the pxa27x */
 227        vcc_sram_ext,
 228        vcc_pxa_pll,
 229        vcc_pxa_usim, /* Reference voltage for certain gpios */
 230        vcc_pxa_mem,
 231        vcc_pxa_flash,
 232        vcc_pxa_core, /*Dc-Dc buck not yet supported */
 233        vcc_lcd,
 234        vcc_bb,
 235        vcc_bbio, /*not sure!*/
 236        vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 237};
 238
 239/* The values of the various regulator constraints are obviously dependent
 240 * on exactly what is wired to each ldo.  Unfortunately this information is
 241 * not generally available.  More information has been requested from Xbow.
 242 */
 243static struct regulator_init_data stargate2_ldo_init_data[] = {
 244        [vcc_bbio] = {
 245                .constraints = { /* board default 1.8V */
 246                        .name = "vcc_bbio",
 247                        .min_uV = 1800000,
 248                        .max_uV = 1800000,
 249                },
 250        },
 251        [vcc_bb] = {
 252                .constraints = { /* board default 2.8V */
 253                        .name = "vcc_bb",
 254                        .min_uV = 2700000,
 255                        .max_uV = 3000000,
 256                },
 257        },
 258        [vcc_pxa_flash] = {
 259                .constraints = {/* default is 1.8V */
 260                        .name = "vcc_pxa_flash",
 261                        .min_uV = 1800000,
 262                        .max_uV = 1800000,
 263                },
 264        },
 265        [vcc_cc2420] = { /* also vcc_io */
 266                .constraints = {
 267                        /* board default is 2.8V */
 268                        .name = "vcc_cc2420",
 269                        .min_uV = 2700000,
 270                        .max_uV = 3300000,
 271                },
 272        },
 273        [vcc_vref] = { /* Reference for what? */
 274                .constraints = { /* default 1.8V */
 275                        .name = "vcc_vref",
 276                        .min_uV = 1800000,
 277                        .max_uV = 1800000,
 278                },
 279        },
 280        [vcc_sram_ext] = {
 281                .constraints = { /* default 2.8V */
 282                        .name = "vcc_sram_ext",
 283                        .min_uV = 2800000,
 284                        .max_uV = 2800000,
 285                },
 286        },
 287        [vcc_mica] = {
 288                .constraints = { /* default 2.8V */
 289                        .name = "vcc_mica",
 290                        .min_uV = 2800000,
 291                        .max_uV = 2800000,
 292                },
 293        },
 294        [vcc_bt] = {
 295                .constraints = { /* default 2.8V */
 296                        .name = "vcc_bt",
 297                        .min_uV = 2800000,
 298                        .max_uV = 2800000,
 299                },
 300        },
 301        [vcc_lcd] = {
 302                .constraints = { /* default 2.8V */
 303                        .name = "vcc_lcd",
 304                        .min_uV = 2700000,
 305                        .max_uV = 3300000,
 306                },
 307        },
 308        [vcc_io] = { /* Same or higher than everything
 309                          * bar vccbat and vccusb */
 310                .constraints = { /* default 2.8V */
 311                        .name = "vcc_io",
 312                        .min_uV = 2692000,
 313                        .max_uV = 3300000,
 314                },
 315        },
 316        [vcc_sensor_1_8] = {
 317                .constraints = { /* default 1.8V */
 318                        .name = "vcc_sensor_1_8",
 319                        .min_uV = 1800000,
 320                        .max_uV = 1800000,
 321                },
 322        },
 323        [vcc_sensor_3] = { /* curiously default 2.8V */
 324                .constraints = {
 325                        .name = "vcc_sensor_3",
 326                        .min_uV = 2800000,
 327                        .max_uV = 3000000,
 328                },
 329                .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 330                .consumer_supplies = stargate2_sensor_3_con,
 331        },
 332        [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 333                .constraints = {
 334                        .name = "vcc_pxa_pll",
 335                        .min_uV = 1170000,
 336                        .max_uV = 1430000,
 337                },
 338        },
 339        [vcc_pxa_usim] = {
 340                .constraints = { /* default 1.8V */
 341                        .name = "vcc_pxa_usim",
 342                        .min_uV = 1710000,
 343                        .max_uV = 2160000,
 344                },
 345        },
 346        [vcc_pxa_mem] = {
 347                .constraints = { /* default 1.8V */
 348                        .name = "vcc_pxa_mem",
 349                        .min_uV = 1800000,
 350                        .max_uV = 1800000,
 351                },
 352        },
 353};
 354
 355static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 356        {
 357                .name = "da903x-led",
 358                .id = DA9030_ID_LED_2,
 359                .platform_data = &stargate2_leds[0],
 360        }, {
 361                .name = "da903x-led",
 362                .id = DA9030_ID_LED_3,
 363                .platform_data = &stargate2_leds[2],
 364        }, {
 365                .name = "da903x-led",
 366                .id = DA9030_ID_LED_4,
 367                .platform_data = &stargate2_leds[1],
 368        }, {
 369                .name = "da903x-regulator",
 370                .id = DA9030_ID_LDO2,
 371                .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 372        }, {
 373                .name = "da903x-regulator",
 374                .id = DA9030_ID_LDO3,
 375                .platform_data = &stargate2_ldo_init_data[vcc_bb],
 376        }, {
 377                .name = "da903x-regulator",
 378                .id = DA9030_ID_LDO4,
 379                .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 380        }, {
 381                .name = "da903x-regulator",
 382                .id = DA9030_ID_LDO5,
 383                .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 384        }, {
 385                .name = "da903x-regulator",
 386                .id = DA9030_ID_LDO6,
 387                .platform_data = &stargate2_ldo_init_data[vcc_vref],
 388        }, {
 389                .name = "da903x-regulator",
 390                .id = DA9030_ID_LDO7,
 391                .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 392        }, {
 393                .name = "da903x-regulator",
 394                .id = DA9030_ID_LDO8,
 395                .platform_data = &stargate2_ldo_init_data[vcc_mica],
 396        }, {
 397                .name = "da903x-regulator",
 398                .id = DA9030_ID_LDO9,
 399                .platform_data = &stargate2_ldo_init_data[vcc_bt],
 400        }, {
 401                .name = "da903x-regulator",
 402                .id = DA9030_ID_LDO10,
 403                .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 404        }, {
 405                .name = "da903x-regulator",
 406                .id = DA9030_ID_LDO11,
 407                .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 408        }, {
 409                .name = "da903x-regulator",
 410                .id = DA9030_ID_LDO12,
 411                .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 412        }, {
 413                .name = "da903x-regulator",
 414                .id = DA9030_ID_LDO15,
 415                .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 416        }, {
 417                .name = "da903x-regulator",
 418                .id = DA9030_ID_LDO17,
 419                .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 420        }, {
 421                .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 422                .id = DA9030_ID_LDO18,
 423                .platform_data = &stargate2_ldo_init_data[vcc_io],
 424        }, {
 425                .name = "da903x-regulator",
 426                .id = DA9030_ID_LDO19,
 427                .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 428        },
 429};
 430
 431static struct da903x_platform_data stargate2_da9030_pdata = {
 432        .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 433        .subdevs = stargate2_da9030_subdevs,
 434};
 435
 436static struct resource smc91x_resources[] = {
 437        [0] = {
 438                .name = "smc91x-regs",
 439                .start = (PXA_CS4_PHYS + 0x300),
 440                .end = (PXA_CS4_PHYS + 0xfffff),
 441                .flags = IORESOURCE_MEM,
 442        },
 443        [1] = {
 444                .start = IRQ_GPIO(40),
 445                .end = IRQ_GPIO(40),
 446                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 447        }
 448};
 449
 450static struct smc91x_platdata stargate2_smc91x_info = {
 451        .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 452        | SMC91X_NOWAIT | SMC91X_USE_DMA,
 453};
 454
 455static struct platform_device smc91x_device = {
 456        .name = "smc91x",
 457        .id = -1,
 458        .num_resources = ARRAY_SIZE(smc91x_resources),
 459        .resource = smc91x_resources,
 460        .dev = {
 461                .platform_data = &stargate2_smc91x_info,
 462        },
 463};
 464
 465
 466
 467static struct pxamci_platform_data stargate2_mci_platform_data;
 468
 469/*
 470 * The card detect interrupt isn't debounced so we delay it by 250ms
 471 * to give the card a chance to fully insert / eject.
 472 */
 473static int stargate2_mci_init(struct device *dev,
 474                              irq_handler_t stargate2_detect_int,
 475                              void *data)
 476{
 477        int err;
 478
 479        err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 480        if (err) {
 481                printk(KERN_ERR "Can't get the gpio for SD power control");
 482                goto return_err;
 483        }
 484        gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 485
 486        err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 487        if (err) {
 488                printk(KERN_ERR "Can't get the sd detect gpio");
 489                goto free_power_en;
 490        }
 491        gpio_direction_input(SG2_GPIO_nSD_DETECT);
 492        /* Delay to allow for full insertion */
 493        stargate2_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 494
 495        err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT),
 496                          stargate2_detect_int,
 497                          IRQ_TYPE_EDGE_BOTH,
 498                          "MMC card detect",
 499                          data);
 500        if (err) {
 501                printk(KERN_ERR "can't request MMC card detect IRQ\n");
 502                goto free_nsd_detect;
 503        }
 504        return 0;
 505
 506 free_nsd_detect:
 507        gpio_free(SG2_GPIO_nSD_DETECT);
 508 free_power_en:
 509        gpio_free(SG2_SD_POWER_ENABLE);
 510 return_err:
 511        return err;
 512}
 513
 514/**
 515 * stargate2_mci_setpower() - set state of mmc power supply
 516 *
 517 * Very simple control. Either it is on or off and is controlled by
 518 * a gpio pin */
 519static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 520{
 521        gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 522}
 523
 524static void stargate2_mci_exit(struct device *dev, void *data)
 525{
 526        free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data);
 527        gpio_free(SG2_SD_POWER_ENABLE);
 528        gpio_free(SG2_GPIO_nSD_DETECT);
 529}
 530
 531static struct pxamci_platform_data stargate2_mci_platform_data = {
 532        .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 533        .init = stargate2_mci_init,
 534        .setpower = stargate2_mci_setpower,
 535        .exit = stargate2_mci_exit,
 536};
 537
 538static struct mtd_partition stargate2flash_partitions[] = {
 539        {
 540                .name = "Bootloader",
 541                .size = 0x00040000,
 542                .offset = 0,
 543                .mask_flags = 0,
 544        }, {
 545                .name = "Kernel",
 546                .size = 0x00200000,
 547                .offset = 0x00040000,
 548                .mask_flags = 0
 549        }, {
 550                .name = "Filesystem",
 551                .size = 0x01DC0000,
 552                .offset = 0x00240000,
 553                .mask_flags = 0
 554        },
 555};
 556
 557static struct resource flash_resources = {
 558        .start = PXA_CS0_PHYS,
 559        .end = PXA_CS0_PHYS + SZ_32M - 1,
 560        .flags = IORESOURCE_MEM,
 561};
 562
 563static struct flash_platform_data stargate2_flash_data = {
 564        .map_name = "cfi_probe",
 565        .parts = stargate2flash_partitions,
 566        .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 567        .name = "PXA27xOnChipROM",
 568        .width = 2,
 569};
 570
 571static struct platform_device stargate2_flash_device = {
 572        .name = "pxa2xx-flash",
 573        .id = 0,
 574        .dev = {
 575                .platform_data = &stargate2_flash_data,
 576        },
 577        .resource = &flash_resources,
 578        .num_resources = 1,
 579};
 580
 581/*
 582 * SRAM - The Stargate 2 has 32MB of SRAM.
 583 *
 584 * Here it is made available as an MTD. This will then
 585 * typically have a cifs filesystem created on it to provide
 586 * fast temporary storage.
 587 */
 588static struct resource sram_resources = {
 589        .start = PXA_CS1_PHYS,
 590        .end = PXA_CS1_PHYS + SZ_32M-1,
 591        .flags = IORESOURCE_MEM,
 592};
 593
 594static struct platdata_mtd_ram stargate2_sram_pdata = {
 595        .mapname = "Stargate2 SRAM",
 596        .bankwidth = 2,
 597};
 598
 599static struct platform_device stargate2_sram = {
 600        .name = "mtd-ram",
 601        .id = 0,
 602        .resource = &sram_resources,
 603        .num_resources = 1,
 604        .dev = {
 605                .platform_data = &stargate2_sram_pdata,
 606        },
 607};
 608
 609static struct pcf857x_platform_data platform_data_pcf857x = {
 610        .gpio_base = 128,
 611        .n_latch = 0,
 612        .setup = NULL,
 613        .teardown = NULL,
 614        .context = NULL,
 615};
 616
 617static struct at24_platform_data pca9500_eeprom_pdata = {
 618        .byte_len = 256,
 619        .page_size = 4,
 620};
 621
 622
 623static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 624        /* Techically this a pca9500 - but it's compatible with the 8574
 625         * for gpio expansion and the 24c02 for eeprom access.
 626         */
 627        {
 628                .type = "pcf8574",
 629                .addr =  0x27,
 630                .platform_data = &platform_data_pcf857x,
 631        }, {
 632                .type = "24c02",
 633                .addr = 0x57,
 634                .platform_data = &pca9500_eeprom_pdata,
 635        }, {
 636                .type = "max1238",
 637                .addr = 0x35,
 638        }, { /* ITS400 Sensor board only */
 639                .type = "max1363",
 640                .addr = 0x34,
 641                /* Through a nand gate - Also beware, on V2 sensor board the
 642                 * pull up resistors are missing.
 643                 */
 644                .irq = IRQ_GPIO(99),
 645        }, { /* ITS400 Sensor board only */
 646                .type = "tsl2561",
 647                .addr = 0x49,
 648                /* Through a nand gate - Also beware, on V2 sensor board the
 649                 * pull up resistors are missing.
 650                 */
 651                .irq = IRQ_GPIO(99),
 652        }, { /* ITS400 Sensor board only */
 653                .type = "tmp175",
 654                .addr = 0x4A,
 655                .irq = IRQ_GPIO(96),
 656        },
 657};
 658
 659static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 660        {
 661                .type = "da9030",
 662                .addr = 0x49,
 663                .platform_data = &stargate2_da9030_pdata,
 664                .irq = gpio_to_irq(1),
 665        },
 666};
 667
 668static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
 669        .num_chipselect = 1,
 670};
 671
 672static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
 673        .num_chipselect = 1,
 674};
 675
 676static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
 677        .num_chipselect = 1,
 678};
 679
 680/* An upcoming kernel change will scrap SFRM usage so these
 681 * drivers have been moved to use gpio's via cs_control */
 682static struct pxa2xx_spi_chip staccel_chip_info = {
 683        .tx_threshold = 8,
 684        .rx_threshold = 8,
 685        .dma_burst_size = 8,
 686        .timeout = 235,
 687        .gpio_cs = 24,
 688};
 689
 690static struct pxa2xx_spi_chip cc2420_info = {
 691        .tx_threshold = 8,
 692        .rx_threshold = 8,
 693        .dma_burst_size = 8,
 694        .timeout = 235,
 695        .gpio_cs = 39,
 696};
 697
 698static struct spi_board_info spi_board_info[] __initdata = {
 699        {
 700                .modalias = "lis3l02dq",
 701                .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 702                .bus_num = 1,
 703                .chip_select = 0,
 704                .controller_data = &staccel_chip_info,
 705                .irq = IRQ_GPIO(96),
 706        }, {
 707                .modalias = "cc2420",
 708                .max_speed_hz = 6500000,
 709                .bus_num = 3,
 710                .chip_select = 0,
 711                .controller_data = &cc2420_info,
 712        },
 713};
 714
 715static void sg2_udc_command(int cmd)
 716{
 717        switch (cmd) {
 718        case PXA2XX_UDC_CMD_CONNECT:
 719                UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 720                break;
 721        case PXA2XX_UDC_CMD_DISCONNECT:
 722                UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 723                break;
 724        }
 725}
 726
 727/* Board doesn't support cable detection - so always lie and say
 728 * something is there.
 729 */
 730static int sg2_udc_detect(void)
 731{
 732        return 1;
 733}
 734
 735static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 736        .udc_is_connected       = sg2_udc_detect,
 737        .udc_command            = sg2_udc_command,
 738};
 739
 740static struct platform_device *stargate2_devices[] = {
 741        &stargate2_flash_device,
 742        &stargate2_sram,
 743        &smc91x_device,
 744        &sht15,
 745};
 746
 747static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 748        .fast_mode = 1,
 749};
 750
 751static struct i2c_pxa_platform_data i2c_pdata = {
 752        .fast_mode = 1,
 753};
 754
 755static void __init stargate2_init(void)
 756{
 757        /* This is probably a board specific hack as this must be set
 758           prior to connecting the MFP stuff up. */
 759        MECR &= ~MECR_NOS;
 760
 761        pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 762
 763        /* spi chip selects */
 764        gpio_direction_output(37, 0);
 765        gpio_direction_output(24, 0);
 766        gpio_direction_output(39, 0);
 767
 768        platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 769
 770        pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 771        pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 772        pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 773        spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 774
 775        i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 776        i2c_register_board_info(1,
 777                                ARRAY_AND_SIZE(stargate2_pwr_i2c_board_info));
 778        pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 779        pxa_set_i2c_info(&i2c_pdata);
 780
 781        pxa_set_mci_info(&stargate2_mci_platform_data);
 782
 783        pxa_set_udc_info(&stargate2_udc_info);
 784
 785        stargate2_reset_bluetooth();
 786}
 787
 788MACHINE_START(STARGATE2, "Stargate 2")
 789        .phys_io = 0x40000000,
 790        .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
 791        .map_io = pxa_map_io,
 792        .init_irq = pxa27x_init_irq,
 793        .timer = &pxa_timer,
 794        .init_machine = stargate2_init,
 795        .boot_params = 0xA0000100,
 796MACHINE_END
 797