arch/arm/mach-pxa/stargate2.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
sg2_udc_command
imote2_stargate2_init
imote2_mci_get_ro
imote2_init
stargate2_mci_init
stargate2_mci_setpower
stargate2_mci_exit
stargate2_reset_bluetooth
sg2_udc_detect
stargate2_init
   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-pxa/stargate2.c
   4  *
   5  *  Author:     Ed C. Epp
   6  *  Created:    Nov 05, 2002
   7  *  Copyright:  Intel Corp.
   8  *
   9  *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk>
  10  */
  11 
  12 #include <linux/init.h>
  13 #include <linux/device.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/sched.h>
  16 #include <linux/bitops.h>
  17 #include <linux/fb.h>
  18 #include <linux/delay.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/regulator/machine.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/plat-ram.h>
  23 #include <linux/mtd/partitions.h>
  24 
  25 #include <linux/platform_data/i2c-pxa.h>
  26 #include <linux/platform_data/pcf857x.h>
  27 #include <linux/smc91x.h>
  28 #include <linux/gpio/machine.h>
  29 #include <linux/gpio.h>
  30 #include <linux/leds.h>
  31 #include <linux/property.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 "pxa27x.h"
  45 #include <linux/platform_data/mmc-pxamci.h>
  46 #include "udc.h"
  47 #include "pxa27x-udc.h"
  48 #include <mach/smemc.h>
  49 
  50 #include <linux/spi/spi.h>
  51 #include <linux/spi/pxa2xx_spi.h>
  52 #include <linux/mfd/da903x.h>
  53 
  54 #include "devices.h"
  55 #include "generic.h"
  56 
  57 #define STARGATE_NR_IRQS        (IRQ_BOARD_START + 8)
  58 
  59 /* Bluetooth */
  60 #define SG2_BT_RESET            81
  61 
  62 /* SD */
  63 #define SG2_GPIO_nSD_DETECT     90
  64 #define SG2_SD_POWER_ENABLE     89
  65 
  66 static unsigned long sg2_im2_unified_pin_config[] __initdata = {
  67         /* Device Identification for wakeup*/
  68         GPIO102_GPIO,
  69         /* DA9030 */
  70         GPIO1_GPIO,
  71 
  72         /* MMC */
  73         GPIO32_MMC_CLK,
  74         GPIO112_MMC_CMD,
  75         GPIO92_MMC_DAT_0,
  76         GPIO109_MMC_DAT_1,
  77         GPIO110_MMC_DAT_2,
  78         GPIO111_MMC_DAT_3,
  79 
  80         /* 802.15.4 radio - driver out of mainline */
  81         GPIO22_GPIO,                    /* CC_RSTN */
  82         GPIO114_GPIO,                   /* CC_FIFO */
  83         GPIO116_GPIO,                   /* CC_CCA */
  84         GPIO0_GPIO,                     /* CC_FIFOP */
  85         GPIO16_GPIO,                    /* CCSFD */
  86         GPIO115_GPIO,                   /* Power enable */
  87 
  88         /* I2C */
  89         GPIO117_I2C_SCL,
  90         GPIO118_I2C_SDA,
  91 
  92         /* SSP 3 - 802.15.4 radio */
  93         GPIO39_GPIO,                    /* Chip Select */
  94         GPIO34_SSP3_SCLK,
  95         GPIO35_SSP3_TXD,
  96         GPIO41_SSP3_RXD,
  97 
  98         /* SSP 2 to daughter boards */
  99         GPIO11_SSP2_RXD,
 100         GPIO38_SSP2_TXD,
 101         GPIO36_SSP2_SCLK,
 102         GPIO37_GPIO, /* chip select */
 103 
 104         /* SSP 1 - to daughter boards */
 105         GPIO24_GPIO,                    /* Chip Select */
 106         GPIO23_SSP1_SCLK,
 107         GPIO25_SSP1_TXD,
 108         GPIO26_SSP1_RXD,
 109 
 110         /* BTUART Basic Connector*/
 111         GPIO42_BTUART_RXD,
 112         GPIO43_BTUART_TXD,
 113         GPIO44_BTUART_CTS,
 114         GPIO45_BTUART_RTS,
 115 
 116         /* STUART  - IM2 via debug board not sure on SG2*/
 117         GPIO46_STUART_RXD,
 118         GPIO47_STUART_TXD,
 119 
 120         /* Basic sensor board */
 121         GPIO96_GPIO,    /* accelerometer interrupt */
 122         GPIO99_GPIO,    /* ADC interrupt */
 123 
 124         /* SHT15 */
 125         GPIO100_GPIO,
 126         GPIO98_GPIO,
 127 
 128         /* Basic sensor board */
 129         GPIO96_GPIO,    /* accelerometer interrupt */
 130         GPIO99_GPIO,    /* ADC interrupt */
 131 
 132         /* Connector pins specified as gpios */
 133         GPIO94_GPIO, /* large basic connector pin 14 */
 134         GPIO10_GPIO, /* large basic connector pin 23 */
 135 };
 136 
 137 static struct gpiod_lookup_table sht15_gpiod_table = {
 138         .dev_id = "sht15",
 139         .table = {
 140                 /* FIXME: should this have |GPIO_OPEN_DRAIN set? */
 141                 GPIO_LOOKUP("gpio-pxa", 100, "data", GPIO_ACTIVE_HIGH),
 142                 GPIO_LOOKUP("gpio-pxa", 98, "clk", GPIO_ACTIVE_HIGH),
 143         },
 144 };
 145 
 146 static struct platform_device sht15 = {
 147         .name = "sht15",
 148         .id = -1,
 149 };
 150 
 151 static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
 152         REGULATOR_SUPPLY("vcc", "sht15"),
 153 };
 154 
 155 enum stargate2_ldos{
 156         vcc_vref,
 157         vcc_cc2420,
 158         /* a mote connector? */
 159         vcc_mica,
 160         /* the CSR bluecore chip */
 161         vcc_bt,
 162         /* The two voltages available to sensor boards */
 163         vcc_sensor_1_8,
 164         vcc_sensor_3,
 165         /* directly connected to the pxa27x */
 166         vcc_sram_ext,
 167         vcc_pxa_pll,
 168         vcc_pxa_usim, /* Reference voltage for certain gpios */
 169         vcc_pxa_mem,
 170         vcc_pxa_flash,
 171         vcc_pxa_core, /*Dc-Dc buck not yet supported */
 172         vcc_lcd,
 173         vcc_bb,
 174         vcc_bbio, /*not sure!*/
 175         vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
 176 };
 177 
 178 /* The values of the various regulator constraints are obviously dependent
 179  * on exactly what is wired to each ldo.  Unfortunately this information is
 180  * not generally available.  More information has been requested from Xbow.
 181  */
 182 static struct regulator_init_data stargate2_ldo_init_data[] = {
 183         [vcc_bbio] = {
 184                 .constraints = { /* board default 1.8V */
 185                         .name = "vcc_bbio",
 186                         .min_uV = 1800000,
 187                         .max_uV = 1800000,
 188                 },
 189         },
 190         [vcc_bb] = {
 191                 .constraints = { /* board default 2.8V */
 192                         .name = "vcc_bb",
 193                         .min_uV = 2700000,
 194                         .max_uV = 3000000,
 195                 },
 196         },
 197         [vcc_pxa_flash] = {
 198                 .constraints = {/* default is 1.8V */
 199                         .name = "vcc_pxa_flash",
 200                         .min_uV = 1800000,
 201                         .max_uV = 1800000,
 202                 },
 203         },
 204         [vcc_cc2420] = { /* also vcc_io */
 205                 .constraints = {
 206                         /* board default is 2.8V */
 207                         .name = "vcc_cc2420",
 208                         .min_uV = 2700000,
 209                         .max_uV = 3300000,
 210                 },
 211         },
 212         [vcc_vref] = { /* Reference for what? */
 213                 .constraints = { /* default 1.8V */
 214                         .name = "vcc_vref",
 215                         .min_uV = 1800000,
 216                         .max_uV = 1800000,
 217                 },
 218         },
 219         [vcc_sram_ext] = {
 220                 .constraints = { /* default 2.8V */
 221                         .name = "vcc_sram_ext",
 222                         .min_uV = 2800000,
 223                         .max_uV = 2800000,
 224                 },
 225         },
 226         [vcc_mica] = {
 227                 .constraints = { /* default 2.8V */
 228                         .name = "vcc_mica",
 229                         .min_uV = 2800000,
 230                         .max_uV = 2800000,
 231                 },
 232         },
 233         [vcc_bt] = {
 234                 .constraints = { /* default 2.8V */
 235                         .name = "vcc_bt",
 236                         .min_uV = 2800000,
 237                         .max_uV = 2800000,
 238                 },
 239         },
 240         [vcc_lcd] = {
 241                 .constraints = { /* default 2.8V */
 242                         .name = "vcc_lcd",
 243                         .min_uV = 2700000,
 244                         .max_uV = 3300000,
 245                 },
 246         },
 247         [vcc_io] = { /* Same or higher than everything
 248                           * bar vccbat and vccusb */
 249                 .constraints = { /* default 2.8V */
 250                         .name = "vcc_io",
 251                         .min_uV = 2692000,
 252                         .max_uV = 3300000,
 253                 },
 254         },
 255         [vcc_sensor_1_8] = {
 256                 .constraints = { /* default 1.8V */
 257                         .name = "vcc_sensor_1_8",
 258                         .min_uV = 1800000,
 259                         .max_uV = 1800000,
 260                 },
 261         },
 262         [vcc_sensor_3] = { /* curiously default 2.8V */
 263                 .constraints = {
 264                         .name = "vcc_sensor_3",
 265                         .min_uV = 2800000,
 266                         .max_uV = 3000000,
 267                 },
 268                 .num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
 269                 .consumer_supplies = stargate2_sensor_3_con,
 270         },
 271         [vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
 272                 .constraints = {
 273                         .name = "vcc_pxa_pll",
 274                         .min_uV = 1170000,
 275                         .max_uV = 1430000,
 276                 },
 277         },
 278         [vcc_pxa_usim] = {
 279                 .constraints = { /* default 1.8V */
 280                         .name = "vcc_pxa_usim",
 281                         .min_uV = 1710000,
 282                         .max_uV = 2160000,
 283                 },
 284         },
 285         [vcc_pxa_mem] = {
 286                 .constraints = { /* default 1.8V */
 287                         .name = "vcc_pxa_mem",
 288                         .min_uV = 1800000,
 289                         .max_uV = 1800000,
 290                 },
 291         },
 292 };
 293 
 294 static struct mtd_partition stargate2flash_partitions[] = {
 295         {
 296                 .name = "Bootloader",
 297                 .size = 0x00040000,
 298                 .offset = 0,
 299                 .mask_flags = 0,
 300         }, {
 301                 .name = "Kernel",
 302                 .size = 0x00200000,
 303                 .offset = 0x00040000,
 304                 .mask_flags = 0
 305         }, {
 306                 .name = "Filesystem",
 307                 .size = 0x01DC0000,
 308                 .offset = 0x00240000,
 309                 .mask_flags = 0
 310         },
 311 };
 312 
 313 static struct resource flash_resources = {
 314         .start = PXA_CS0_PHYS,
 315         .end = PXA_CS0_PHYS + SZ_32M - 1,
 316         .flags = IORESOURCE_MEM,
 317 };
 318 
 319 static struct flash_platform_data stargate2_flash_data = {
 320         .map_name = "cfi_probe",
 321         .parts = stargate2flash_partitions,
 322         .nr_parts = ARRAY_SIZE(stargate2flash_partitions),
 323         .name = "PXA27xOnChipROM",
 324         .width = 2,
 325 };
 326 
 327 static struct platform_device stargate2_flash_device = {
 328         .name = "pxa2xx-flash",
 329         .id = 0,
 330         .dev = {
 331                 .platform_data = &stargate2_flash_data,
 332         },
 333         .resource = &flash_resources,
 334         .num_resources = 1,
 335 };
 336 
 337 static struct pxa2xx_spi_controller pxa_ssp_master_0_info = {
 338         .num_chipselect = 1,
 339 };
 340 
 341 static struct pxa2xx_spi_controller pxa_ssp_master_1_info = {
 342         .num_chipselect = 1,
 343 };
 344 
 345 static struct pxa2xx_spi_controller pxa_ssp_master_2_info = {
 346         .num_chipselect = 1,
 347 };
 348 
 349 /* An upcoming kernel change will scrap SFRM usage so these
 350  * drivers have been moved to use gpio's via cs_control */
 351 static struct pxa2xx_spi_chip staccel_chip_info = {
 352         .tx_threshold = 8,
 353         .rx_threshold = 8,
 354         .dma_burst_size = 8,
 355         .timeout = 235,
 356         .gpio_cs = 24,
 357 };
 358 
 359 static struct pxa2xx_spi_chip cc2420_info = {
 360         .tx_threshold = 8,
 361         .rx_threshold = 8,
 362         .dma_burst_size = 8,
 363         .timeout = 235,
 364         .gpio_cs = 39,
 365 };
 366 
 367 static struct spi_board_info spi_board_info[] __initdata = {
 368         {
 369                 .modalias = "lis3l02dq",
 370                 .max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
 371                 .bus_num = 1,
 372                 .chip_select = 0,
 373                 .controller_data = &staccel_chip_info,
 374                 .irq = PXA_GPIO_TO_IRQ(96),
 375         }, {
 376                 .modalias = "cc2420",
 377                 .max_speed_hz = 6500000,
 378                 .bus_num = 3,
 379                 .chip_select = 0,
 380                 .controller_data = &cc2420_info,
 381         },
 382 };
 383 
 384 static void sg2_udc_command(int cmd)
 385 {
 386         switch (cmd) {
 387         case PXA2XX_UDC_CMD_CONNECT:
 388                 UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
 389                 break;
 390         case PXA2XX_UDC_CMD_DISCONNECT:
 391                 UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
 392                 break;
 393         }
 394 }
 395 
 396 static struct i2c_pxa_platform_data i2c_pwr_pdata = {
 397         .fast_mode = 1,
 398 };
 399 
 400 static struct i2c_pxa_platform_data i2c_pdata = {
 401         .fast_mode = 1,
 402 };
 403 
 404 static void __init imote2_stargate2_init(void)
 405 {
 406 
 407         pxa2xx_mfp_config(ARRAY_AND_SIZE(sg2_im2_unified_pin_config));
 408 
 409         pxa_set_ffuart_info(NULL);
 410         pxa_set_btuart_info(NULL);
 411         pxa_set_stuart_info(NULL);
 412 
 413         pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
 414         pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
 415         pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
 416         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 417 
 418 
 419         pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
 420         pxa_set_i2c_info(&i2c_pdata);
 421 }
 422 
 423 #ifdef CONFIG_MACH_INTELMOTE2
 424 /* As the the imote2 doesn't currently have a conventional SD slot
 425  * there is no option to hotplug cards, making all this rather simple
 426  */
 427 static int imote2_mci_get_ro(struct device *dev)
 428 {
 429         return 0;
 430 }
 431 
 432 /* Rather simple case as hotplugging not possible */
 433 static struct pxamci_platform_data imote2_mci_platform_data = {
 434         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* default anyway */
 435         .get_ro = imote2_mci_get_ro,
 436 };
 437 
 438 static struct gpio_led imote2_led_pins[] = {
 439         {
 440                 .name       =  "imote2:red",
 441                 .gpio       = 103,
 442                 .active_low = 1,
 443         }, {
 444                 .name       = "imote2:green",
 445                 .gpio       = 104,
 446                 .active_low = 1,
 447         }, {
 448                 .name       = "imote2:blue",
 449                 .gpio       = 105,
 450                 .active_low = 1,
 451         },
 452 };
 453 
 454 static struct gpio_led_platform_data imote2_led_data = {
 455         .num_leds = ARRAY_SIZE(imote2_led_pins),
 456         .leds     = imote2_led_pins,
 457 };
 458 
 459 static struct platform_device imote2_leds = {
 460         .name = "leds-gpio",
 461         .id   = -1,
 462         .dev = {
 463                 .platform_data = &imote2_led_data,
 464         },
 465 };
 466 
 467 static struct da903x_subdev_info imote2_da9030_subdevs[] = {
 468         {
 469                 .name = "da903x-regulator",
 470                 .id = DA9030_ID_LDO2,
 471                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 472         }, {
 473                 .name = "da903x-regulator",
 474                 .id = DA9030_ID_LDO3,
 475                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 476         }, {
 477                 .name = "da903x-regulator",
 478                 .id = DA9030_ID_LDO4,
 479                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 480         }, {
 481                 .name = "da903x-regulator",
 482                 .id = DA9030_ID_LDO5,
 483                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 484         }, {
 485                 .name = "da903x-regulator",
 486                 .id = DA9030_ID_LDO6,
 487                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 488         }, {
 489                 .name = "da903x-regulator",
 490                 .id = DA9030_ID_LDO7,
 491                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 492         }, {
 493                 .name = "da903x-regulator",
 494                 .id = DA9030_ID_LDO8,
 495                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 496         }, {
 497                 .name = "da903x-regulator",
 498                 .id = DA9030_ID_LDO9,
 499                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 500         }, {
 501                 .name = "da903x-regulator",
 502                 .id = DA9030_ID_LDO10,
 503                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 504         }, {
 505                 .name = "da903x-regulator",
 506                 .id = DA9030_ID_LDO11,
 507                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 508         }, {
 509                 .name = "da903x-regulator",
 510                 .id = DA9030_ID_LDO12,
 511                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 512         }, {
 513                 .name = "da903x-regulator",
 514                 .id = DA9030_ID_LDO15,
 515                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 516         }, {
 517                 .name = "da903x-regulator",
 518                 .id = DA9030_ID_LDO17,
 519                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 520         }, {
 521                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 522                 .id = DA9030_ID_LDO18,
 523                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 524         }, {
 525                 .name = "da903x-regulator",
 526                 .id = DA9030_ID_LDO19,
 527                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 528         },
 529 };
 530 
 531 static struct da903x_platform_data imote2_da9030_pdata = {
 532         .num_subdevs = ARRAY_SIZE(imote2_da9030_subdevs),
 533         .subdevs = imote2_da9030_subdevs,
 534 };
 535 
 536 static struct i2c_board_info __initdata imote2_pwr_i2c_board_info[] = {
 537         {
 538                 .type = "da9030",
 539                 .addr = 0x49,
 540                 .platform_data = &imote2_da9030_pdata,
 541                 .irq = PXA_GPIO_TO_IRQ(1),
 542         },
 543 };
 544 
 545 static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
 546         { /* UCAM sensor board */
 547                 .type = "max1239",
 548                 .addr = 0x35,
 549         }, { /* ITS400 Sensor board only */
 550                 .type = "max1363",
 551                 .addr = 0x34,
 552                 /* Through a nand gate - Also beware, on V2 sensor board the
 553                  * pull up resistors are missing.
 554                  */
 555                 .irq = PXA_GPIO_TO_IRQ(99),
 556         }, { /* ITS400 Sensor board only */
 557                 .type = "tsl2561",
 558                 .addr = 0x49,
 559                 /* Through a nand gate - Also beware, on V2 sensor board the
 560                  * pull up resistors are missing.
 561                  */
 562                 .irq = PXA_GPIO_TO_IRQ(99),
 563         }, { /* ITS400 Sensor board only */
 564                 .type = "tmp175",
 565                 .addr = 0x4A,
 566                 .irq = PXA_GPIO_TO_IRQ(96),
 567         }, { /* IMB400 Multimedia board */
 568                 .type = "wm8940",
 569                 .addr = 0x1A,
 570         },
 571 };
 572 
 573 static unsigned long imote2_pin_config[] __initdata = {
 574 
 575         /* Button */
 576         GPIO91_GPIO,
 577 
 578         /* LEDS */
 579         GPIO103_GPIO, /* red led */
 580         GPIO104_GPIO, /* green led */
 581         GPIO105_GPIO, /* blue led */
 582 };
 583 
 584 static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 585         .udc_command            = sg2_udc_command,
 586 };
 587 
 588 static struct platform_device imote2_audio_device = {
 589         .name = "imote2-audio",
 590         .id   = -1,
 591 };
 592 
 593 static struct platform_device *imote2_devices[] = {
 594         &stargate2_flash_device,
 595         &imote2_leds,
 596         &sht15,
 597         &imote2_audio_device,
 598 };
 599 
 600 static void __init imote2_init(void)
 601 {
 602         pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
 603 
 604         imote2_stargate2_init();
 605 
 606         gpiod_add_lookup_table(&sht15_gpiod_table);
 607         platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 608 
 609         i2c_register_board_info(0, imote2_i2c_board_info,
 610                                 ARRAY_SIZE(imote2_i2c_board_info));
 611         i2c_register_board_info(1, imote2_pwr_i2c_board_info,
 612                                 ARRAY_SIZE(imote2_pwr_i2c_board_info));
 613 
 614         pxa_set_mci_info(&imote2_mci_platform_data);
 615         pxa_set_udc_info(&imote2_udc_info);
 616 }
 617 #endif
 618 
 619 #ifdef CONFIG_MACH_STARGATE2
 620 
 621 static unsigned long stargate2_pin_config[] __initdata = {
 622 
 623         GPIO15_nCS_1, /* SRAM */
 624         /* SMC91x */
 625         GPIO80_nCS_4,
 626         GPIO40_GPIO, /*cable detect?*/
 627 
 628         /* Button */
 629         GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
 630 
 631         /* Compact Flash */
 632         GPIO79_PSKTSEL,
 633         GPIO48_nPOE,
 634         GPIO49_nPWE,
 635         GPIO50_nPIOR,
 636         GPIO51_nPIOW,
 637         GPIO85_nPCE_1,
 638         GPIO54_nPCE_2,
 639         GPIO55_nPREG,
 640         GPIO56_nPWAIT,
 641         GPIO57_nIOIS16,
 642         GPIO120_GPIO, /* Buff ctrl */
 643         GPIO108_GPIO, /* Power ctrl */
 644         GPIO82_GPIO, /* Reset */
 645         GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
 646 
 647         /* MMC not shared with imote2 */
 648         GPIO90_GPIO, /* nSD detect */
 649         GPIO89_GPIO, /* SD_POWER_ENABLE */
 650 
 651         /* Bluetooth */
 652         GPIO81_GPIO, /* reset */
 653 };
 654 
 655 static struct resource smc91x_resources[] = {
 656         [0] = {
 657                 .name = "smc91x-regs",
 658                 .start = (PXA_CS4_PHYS + 0x300),
 659                 .end = (PXA_CS4_PHYS + 0xfffff),
 660                 .flags = IORESOURCE_MEM,
 661         },
 662         [1] = {
 663                 .start = PXA_GPIO_TO_IRQ(40),
 664                 .end = PXA_GPIO_TO_IRQ(40),
 665                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 666         }
 667 };
 668 
 669 static struct smc91x_platdata stargate2_smc91x_info = {
 670         .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
 671         | SMC91X_NOWAIT | SMC91X_USE_DMA,
 672         .pxa_u16_align4 = true,
 673 };
 674 
 675 static struct platform_device smc91x_device = {
 676         .name = "smc91x",
 677         .id = -1,
 678         .num_resources = ARRAY_SIZE(smc91x_resources),
 679         .resource = smc91x_resources,
 680         .dev = {
 681                 .platform_data = &stargate2_smc91x_info,
 682         },
 683 };
 684 
 685 
 686 /*
 687  * The card detect interrupt isn't debounced so we delay it by 250ms
 688  * to give the card a chance to fully insert / eject.
 689  */
 690 static int stargate2_mci_init(struct device *dev,
 691                               irq_handler_t stargate2_detect_int,
 692                               void *data)
 693 {
 694         int err;
 695 
 696         err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
 697         if (err) {
 698                 printk(KERN_ERR "Can't get the gpio for SD power control");
 699                 goto return_err;
 700         }
 701         gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
 702 
 703         err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
 704         if (err) {
 705                 printk(KERN_ERR "Can't get the sd detect gpio");
 706                 goto free_power_en;
 707         }
 708         gpio_direction_input(SG2_GPIO_nSD_DETECT);
 709 
 710         err = request_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT),
 711                           stargate2_detect_int,
 712                           IRQ_TYPE_EDGE_BOTH,
 713                           "MMC card detect",
 714                           data);
 715         if (err) {
 716                 printk(KERN_ERR "can't request MMC card detect IRQ\n");
 717                 goto free_nsd_detect;
 718         }
 719         return 0;
 720 
 721  free_nsd_detect:
 722         gpio_free(SG2_GPIO_nSD_DETECT);
 723  free_power_en:
 724         gpio_free(SG2_SD_POWER_ENABLE);
 725  return_err:
 726         return err;
 727 }
 728 
 729 /**
 730  * stargate2_mci_setpower() - set state of mmc power supply
 731  *
 732  * Very simple control. Either it is on or off and is controlled by
 733  * a gpio pin */
 734 static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
 735 {
 736         gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
 737         return 0;
 738 }
 739 
 740 static void stargate2_mci_exit(struct device *dev, void *data)
 741 {
 742         free_irq(PXA_GPIO_TO_IRQ(SG2_GPIO_nSD_DETECT), data);
 743         gpio_free(SG2_SD_POWER_ENABLE);
 744         gpio_free(SG2_GPIO_nSD_DETECT);
 745 }
 746 
 747 static struct pxamci_platform_data stargate2_mci_platform_data = {
 748         .detect_delay_ms = 250,
 749         .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
 750         .init = stargate2_mci_init,
 751         .setpower = stargate2_mci_setpower,
 752         .exit = stargate2_mci_exit,
 753 };
 754 
 755 
 756 /*
 757  * SRAM - The Stargate 2 has 32MB of SRAM.
 758  *
 759  * Here it is made available as an MTD. This will then
 760  * typically have a cifs filesystem created on it to provide
 761  * fast temporary storage.
 762  */
 763 static struct resource sram_resources = {
 764         .start = PXA_CS1_PHYS,
 765         .end = PXA_CS1_PHYS + SZ_32M-1,
 766         .flags = IORESOURCE_MEM,
 767 };
 768 
 769 static struct platdata_mtd_ram stargate2_sram_pdata = {
 770         .mapname = "Stargate2 SRAM",
 771         .bankwidth = 2,
 772 };
 773 
 774 static struct platform_device stargate2_sram = {
 775         .name = "mtd-ram",
 776         .id = 0,
 777         .resource = &sram_resources,
 778         .num_resources = 1,
 779         .dev = {
 780                 .platform_data = &stargate2_sram_pdata,
 781         },
 782 };
 783 
 784 static struct pcf857x_platform_data platform_data_pcf857x = {
 785         .gpio_base = 128,
 786         .n_latch = 0,
 787         .setup = NULL,
 788         .teardown = NULL,
 789         .context = NULL,
 790 };
 791 
 792 static const struct property_entry pca9500_eeprom_properties[] = {
 793         PROPERTY_ENTRY_U32("pagesize", 4),
 794         { }
 795 };
 796 
 797 /**
 798  * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 799  **/
 800 static int stargate2_reset_bluetooth(void)
 801 {
 802         int err;
 803         err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
 804         if (err) {
 805                 printk(KERN_ERR "Could not get gpio for bluetooth reset\n");
 806                 return err;
 807         }
 808         gpio_direction_output(SG2_BT_RESET, 1);
 809         mdelay(5);
 810         /* now reset it - 5 msec minimum */
 811         gpio_set_value(SG2_BT_RESET, 0);
 812         mdelay(10);
 813         gpio_set_value(SG2_BT_RESET, 1);
 814         gpio_free(SG2_BT_RESET);
 815         return 0;
 816 }
 817 
 818 static struct led_info stargate2_leds[] = {
 819         {
 820                 .name = "sg2:red",
 821                 .flags = DA9030_LED_RATE_ON,
 822         }, {
 823                 .name = "sg2:blue",
 824                 .flags = DA9030_LED_RATE_ON,
 825         }, {
 826                 .name = "sg2:green",
 827                 .flags = DA9030_LED_RATE_ON,
 828         },
 829 };
 830 
 831 static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
 832         {
 833                 .name = "da903x-led",
 834                 .id = DA9030_ID_LED_2,
 835                 .platform_data = &stargate2_leds[0],
 836         }, {
 837                 .name = "da903x-led",
 838                 .id = DA9030_ID_LED_3,
 839                 .platform_data = &stargate2_leds[2],
 840         }, {
 841                 .name = "da903x-led",
 842                 .id = DA9030_ID_LED_4,
 843                 .platform_data = &stargate2_leds[1],
 844         }, {
 845                 .name = "da903x-regulator",
 846                 .id = DA9030_ID_LDO2,
 847                 .platform_data = &stargate2_ldo_init_data[vcc_bbio],
 848         }, {
 849                 .name = "da903x-regulator",
 850                 .id = DA9030_ID_LDO3,
 851                 .platform_data = &stargate2_ldo_init_data[vcc_bb],
 852         }, {
 853                 .name = "da903x-regulator",
 854                 .id = DA9030_ID_LDO4,
 855                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
 856         }, {
 857                 .name = "da903x-regulator",
 858                 .id = DA9030_ID_LDO5,
 859                 .platform_data = &stargate2_ldo_init_data[vcc_cc2420],
 860         }, {
 861                 .name = "da903x-regulator",
 862                 .id = DA9030_ID_LDO6,
 863                 .platform_data = &stargate2_ldo_init_data[vcc_vref],
 864         }, {
 865                 .name = "da903x-regulator",
 866                 .id = DA9030_ID_LDO7,
 867                 .platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
 868         }, {
 869                 .name = "da903x-regulator",
 870                 .id = DA9030_ID_LDO8,
 871                 .platform_data = &stargate2_ldo_init_data[vcc_mica],
 872         }, {
 873                 .name = "da903x-regulator",
 874                 .id = DA9030_ID_LDO9,
 875                 .platform_data = &stargate2_ldo_init_data[vcc_bt],
 876         }, {
 877                 .name = "da903x-regulator",
 878                 .id = DA9030_ID_LDO10,
 879                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
 880         }, {
 881                 .name = "da903x-regulator",
 882                 .id = DA9030_ID_LDO11,
 883                 .platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
 884         }, {
 885                 .name = "da903x-regulator",
 886                 .id = DA9030_ID_LDO12,
 887                 .platform_data = &stargate2_ldo_init_data[vcc_lcd],
 888         }, {
 889                 .name = "da903x-regulator",
 890                 .id = DA9030_ID_LDO15,
 891                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
 892         }, {
 893                 .name = "da903x-regulator",
 894                 .id = DA9030_ID_LDO17,
 895                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
 896         }, {
 897                 .name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
 898                 .id = DA9030_ID_LDO18,
 899                 .platform_data = &stargate2_ldo_init_data[vcc_io],
 900         }, {
 901                 .name = "da903x-regulator",
 902                 .id = DA9030_ID_LDO19,
 903                 .platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
 904         },
 905 };
 906 
 907 static struct da903x_platform_data stargate2_da9030_pdata = {
 908         .num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
 909         .subdevs = stargate2_da9030_subdevs,
 910 };
 911 
 912 static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
 913         {
 914                 .type = "da9030",
 915                 .addr = 0x49,
 916                 .platform_data = &stargate2_da9030_pdata,
 917                 .irq = PXA_GPIO_TO_IRQ(1),
 918         },
 919 };
 920 
 921 static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
 922         /* Techically this a pca9500 - but it's compatible with the 8574
 923          * for gpio expansion and the 24c02 for eeprom access.
 924          */
 925         {
 926                 .type = "pcf8574",
 927                 .addr =  0x27,
 928                 .platform_data = &platform_data_pcf857x,
 929         }, {
 930                 .type = "24c02",
 931                 .addr = 0x57,
 932                 .properties = pca9500_eeprom_properties,
 933         }, {
 934                 .type = "max1238",
 935                 .addr = 0x35,
 936         }, { /* ITS400 Sensor board only */
 937                 .type = "max1363",
 938                 .addr = 0x34,
 939                 /* Through a nand gate - Also beware, on V2 sensor board the
 940                  * pull up resistors are missing.
 941                  */
 942                 .irq = PXA_GPIO_TO_IRQ(99),
 943         }, { /* ITS400 Sensor board only */
 944                 .type = "tsl2561",
 945                 .addr = 0x49,
 946                 /* Through a nand gate - Also beware, on V2 sensor board the
 947                  * pull up resistors are missing.
 948                  */
 949                 .irq = PXA_GPIO_TO_IRQ(99),
 950         }, { /* ITS400 Sensor board only */
 951                 .type = "tmp175",
 952                 .addr = 0x4A,
 953                 .irq = PXA_GPIO_TO_IRQ(96),
 954         },
 955 };
 956 
 957 /* Board doesn't support cable detection - so always lie and say
 958  * something is there.
 959  */
 960 static int sg2_udc_detect(void)
 961 {
 962         return 1;
 963 }
 964 
 965 static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
 966         .udc_is_connected       = sg2_udc_detect,
 967         .udc_command            = sg2_udc_command,
 968 };
 969 
 970 static struct platform_device *stargate2_devices[] = {
 971         &stargate2_flash_device,
 972         &stargate2_sram,
 973         &smc91x_device,
 974         &sht15,
 975 };
 976 
 977 static void __init stargate2_init(void)
 978 {
 979         /* This is probably a board specific hack as this must be set
 980            prior to connecting the MFP stuff up. */
 981         __raw_writel(__raw_readl(MECR) & ~MECR_NOS, MECR);
 982 
 983         pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 984 
 985         imote2_stargate2_init();
 986 
 987         gpiod_add_lookup_table(&sht15_gpiod_table);
 988         platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 989 
 990         i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
 991         i2c_register_board_info(1, stargate2_pwr_i2c_board_info,
 992                                 ARRAY_SIZE(stargate2_pwr_i2c_board_info));
 993 
 994         pxa_set_mci_info(&stargate2_mci_platform_data);
 995 
 996         pxa_set_udc_info(&stargate2_udc_info);
 997 
 998         stargate2_reset_bluetooth();
 999 }
1000 #endif
1001 
1002 #ifdef CONFIG_MACH_INTELMOTE2
1003 MACHINE_START(INTELMOTE2, "IMOTE 2")
1004         .map_io         = pxa27x_map_io,
1005         .nr_irqs        = PXA_NR_IRQS,
1006         .init_irq       = pxa27x_init_irq,
1007         .handle_irq     = pxa27x_handle_irq,
1008         .init_time      = pxa_timer_init,
1009         .init_machine   = imote2_init,
1010         .atag_offset    = 0x100,
1011         .restart        = pxa_restart,
1012 MACHINE_END
1013 #endif
1014 
1015 #ifdef CONFIG_MACH_STARGATE2
1016 MACHINE_START(STARGATE2, "Stargate 2")
1017         .map_io = pxa27x_map_io,
1018         .nr_irqs = STARGATE_NR_IRQS,
1019         .init_irq = pxa27x_init_irq,
1020         .handle_irq = pxa27x_handle_irq,
1021         .init_time      = pxa_timer_init,
1022         .init_machine = stargate2_init,
1023         .atag_offset = 0x100,
1024         .restart        = pxa_restart,
1025 MACHINE_END
1026 #endif
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root/arch/arm/mach-pxa/stargate2.c

DEFINITIONS
