arch/arm/mach-pxa/z2.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/z2.c
   3  *
   4  *  Support for the Zipit Z2 Handheld device.
   5  *
   6  *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
   7  *
   8  *  Based on research and code by: Ken McGuire
   9  *  Based on mainstone.c as modified for the Zipit Z2.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License version 2 as
  13  *  published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/pwm_backlight.h>
  20 #include <linux/z2_battery.h>
  21 #include <linux/dma-mapping.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/spi/pxa2xx_spi.h>
  24 #include <linux/spi/libertas_spi.h>
  25 #include <linux/spi/lms283gf05.h>
  26 #include <linux/power_supply.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/gpio.h>
  29 #include <linux/gpio_keys.h>
  30 #include <linux/delay.h>
  31 #include <linux/regulator/machine.h>
  32 #include <linux/i2c/pxa-i2c.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36
  37 #include <mach/pxa27x.h>
  38 #include <mach/mfp-pxa27x.h>
  39 #include <mach/z2.h>
  40 #include <linux/platform_data/video-pxafb.h>
  41 #include <linux/platform_data/mmc-pxamci.h>
  42 #include <linux/platform_data/keypad-pxa27x.h>
  43 #include <mach/pm.h>
  44
  45 #include "generic.h"
  46 #include "devices.h"
  47
  48 /******************************************************************************
  49  * Pin configuration
  50  ******************************************************************************/
  51 static unsigned long z2_pin_config[] = {
  52
  53         /* LCD - 16bpp Active TFT */
  54         GPIO58_LCD_LDD_0,
  55         GPIO59_LCD_LDD_1,
  56         GPIO60_LCD_LDD_2,
  57         GPIO61_LCD_LDD_3,
  58         GPIO62_LCD_LDD_4,
  59         GPIO63_LCD_LDD_5,
  60         GPIO64_LCD_LDD_6,
  61         GPIO65_LCD_LDD_7,
  62         GPIO66_LCD_LDD_8,
  63         GPIO67_LCD_LDD_9,
  64         GPIO68_LCD_LDD_10,
  65         GPIO69_LCD_LDD_11,
  66         GPIO70_LCD_LDD_12,
  67         GPIO71_LCD_LDD_13,
  68         GPIO72_LCD_LDD_14,
  69         GPIO73_LCD_LDD_15,
  70         GPIO74_LCD_FCLK,
  71         GPIO75_LCD_LCLK,
  72         GPIO76_LCD_PCLK,
  73         GPIO77_LCD_BIAS,
  74         GPIO19_GPIO,            /* LCD reset */
  75         GPIO88_GPIO,            /* LCD chipselect */
  76
  77         /* PWM */
  78         GPIO115_PWM1_OUT,       /* Keypad Backlight */
  79         GPIO11_PWM2_OUT,        /* LCD Backlight */
  80
  81         /* MMC */
  82         GPIO32_MMC_CLK,
  83         GPIO112_MMC_CMD,
  84         GPIO92_MMC_DAT_0,
  85         GPIO109_MMC_DAT_1,
  86         GPIO110_MMC_DAT_2,
  87         GPIO111_MMC_DAT_3,
  88         GPIO96_GPIO,            /* SD detect */
  89
  90         /* STUART */
  91         GPIO46_STUART_RXD,
  92         GPIO47_STUART_TXD,
  93
  94         /* Keypad */
  95         GPIO100_KP_MKIN_0,
  96         GPIO101_KP_MKIN_1,
  97         GPIO102_KP_MKIN_2,
  98         GPIO34_KP_MKIN_3,
  99         GPIO38_KP_MKIN_4,
 100         GPIO16_KP_MKIN_5,
 101         GPIO17_KP_MKIN_6,
 102         GPIO103_KP_MKOUT_0,
 103         GPIO104_KP_MKOUT_1,
 104         GPIO105_KP_MKOUT_2,
 105         GPIO106_KP_MKOUT_3,
 106         GPIO107_KP_MKOUT_4,
 107         GPIO108_KP_MKOUT_5,
 108         GPIO35_KP_MKOUT_6,
 109         GPIO41_KP_MKOUT_7,
 110
 111         /* I2C */
 112         GPIO117_I2C_SCL,
 113         GPIO118_I2C_SDA,
 114
 115         /* SSP1 */
 116         GPIO23_SSP1_SCLK,       /* SSP1_SCK */
 117         GPIO25_SSP1_TXD,        /* SSP1_TXD */
 118         GPIO26_SSP1_RXD,        /* SSP1_RXD */
 119
 120         /* SSP2 */
 121         GPIO22_SSP2_SCLK,       /* SSP2_SCK */
 122         GPIO13_SSP2_TXD,        /* SSP2_TXD */
 123         GPIO40_SSP2_RXD,        /* SSP2_RXD */
 124
 125         /* LEDs */
 126         GPIO10_GPIO,            /* WiFi LED */
 127         GPIO83_GPIO,            /* Charging LED */
 128         GPIO85_GPIO,            /* Charged LED */
 129
 130         /* I2S */
 131         GPIO28_I2S_BITCLK_OUT,
 132         GPIO29_I2S_SDATA_IN,
 133         GPIO30_I2S_SDATA_OUT,
 134         GPIO31_I2S_SYNC,
 135         GPIO113_I2S_SYSCLK,
 136
 137         /* MISC */
 138         GPIO0_GPIO,             /* AC power detect */
 139         GPIO1_GPIO,             /* Power button */
 140         GPIO37_GPIO,            /* Headphone detect */
 141         GPIO98_GPIO,            /* Lid switch */
 142         GPIO14_GPIO,            /* WiFi Power */
 143         GPIO24_GPIO,            /* WiFi CS */
 144         GPIO36_GPIO,            /* WiFi IRQ */
 145         GPIO88_GPIO,            /* LCD CS */
 146 };
 147
 148 /******************************************************************************
 149  * NOR Flash
 150  ******************************************************************************/
 151 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 152 static struct resource z2_flash_resource = {
 153         .start  = PXA_CS0_PHYS,
 154         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 155         .flags  = IORESOURCE_MEM,
 156 };
 157
 158 static struct mtd_partition z2_flash_parts[] = {
 159         {
 160                 .name   = "U-Boot Bootloader",
 161                 .offset = 0x0,
 162                 .size   = 0x40000,
 163         }, {
 164                 .name   = "U-Boot Environment",
 165                 .offset = 0x40000,
 166                 .size   = 0x20000,
 167         }, {
 168                 .name   = "Flash",
 169                 .offset = 0x60000,
 170                 .size   = MTDPART_SIZ_FULL,
 171         },
 172 };
 173
 174 static struct physmap_flash_data z2_flash_data = {
 175         .width          = 2,
 176         .parts          = z2_flash_parts,
 177         .nr_parts       = ARRAY_SIZE(z2_flash_parts),
 178 };
 179
 180 static struct platform_device z2_flash = {
 181         .name           = "physmap-flash",
 182         .id             = -1,
 183         .resource       = &z2_flash_resource,
 184         .num_resources  = 1,
 185         .dev = {
 186                 .platform_data  = &z2_flash_data,
 187         },
 188 };
 189
 190 static void __init z2_nor_init(void)
 191 {
 192         platform_device_register(&z2_flash);
 193 }
 194 #else
 195 static inline void z2_nor_init(void) {}
 196 #endif
 197
 198 /******************************************************************************
 199  * Backlight
 200  ******************************************************************************/
 201 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 202 static struct platform_pwm_backlight_data z2_backlight_data[] = {
 203         [0] = {
 204                 /* Keypad Backlight */
 205                 .pwm_id         = 1,
 206                 .max_brightness = 1023,
 207                 .dft_brightness = 0,
 208                 .pwm_period_ns  = 1260320,
 209                 .enable_gpio    = -1,
 210         },
 211         [1] = {
 212                 /* LCD Backlight */
 213                 .pwm_id         = 2,
 214                 .max_brightness = 1023,
 215                 .dft_brightness = 512,
 216                 .pwm_period_ns  = 1260320,
 217                 .enable_gpio    = -1,
 218         },
 219 };
 220
 221 static struct platform_device z2_backlight_devices[2] = {
 222         {
 223                 .name   = "pwm-backlight",
 224                 .id     = 0,
 225                 .dev    = {
 226                         .platform_data  = &z2_backlight_data[1],
 227                 },
 228         },
 229         {
 230                 .name   = "pwm-backlight",
 231                 .id     = 1,
 232                 .dev    = {
 233                         .platform_data  = &z2_backlight_data[0],
 234                 },
 235         },
 236 };
 237 static void __init z2_pwm_init(void)
 238 {
 239         platform_device_register(&z2_backlight_devices[0]);
 240         platform_device_register(&z2_backlight_devices[1]);
 241 }
 242 #else
 243 static inline void z2_pwm_init(void) {}
 244 #endif
 245
 246 /******************************************************************************
 247  * Framebuffer
 248  ******************************************************************************/
 249 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 250 static struct pxafb_mode_info z2_lcd_modes[] = {
 251 {
 252         .pixclock       = 192000,
 253         .xres           = 240,
 254         .yres           = 320,
 255         .bpp            = 16,
 256
 257         .left_margin    = 4,
 258         .right_margin   = 8,
 259         .upper_margin   = 4,
 260         .lower_margin   = 8,
 261
 262         .hsync_len      = 4,
 263         .vsync_len      = 4,
 264 },
 265 };
 266
 267 static struct pxafb_mach_info z2_lcd_screen = {
 268         .modes          = z2_lcd_modes,
 269         .num_modes      = ARRAY_SIZE(z2_lcd_modes),
 270         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
 271                           LCD_ALTERNATE_MAPPING,
 272 };
 273
 274 static void __init z2_lcd_init(void)
 275 {
 276         pxa_set_fb_info(NULL, &z2_lcd_screen);
 277 }
 278 #else
 279 static inline void z2_lcd_init(void) {}
 280 #endif
 281
 282 /******************************************************************************
 283  * SD/MMC card controller
 284  ******************************************************************************/
 285 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 286 static struct pxamci_platform_data z2_mci_platform_data = {
 287         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 288         .gpio_card_detect       = GPIO96_ZIPITZ2_SD_DETECT,
 289         .gpio_power             = -1,
 290         .gpio_card_ro           = -1,
 291         .detect_delay_ms        = 200,
 292 };
 293
 294 static void __init z2_mmc_init(void)
 295 {
 296         pxa_set_mci_info(&z2_mci_platform_data);
 297 }
 298 #else
 299 static inline void z2_mmc_init(void) {}
 300 #endif
 301
 302 /******************************************************************************
 303  * LEDs
 304  ******************************************************************************/
 305 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 306 struct gpio_led z2_gpio_leds[] = {
 307 {
 308         .name                   = "z2:green:wifi",
 309         .default_trigger        = "none",
 310         .gpio                   = GPIO10_ZIPITZ2_LED_WIFI,
 311         .active_low             = 1,
 312 }, {
 313         .name                   = "z2:green:charged",
 314         .default_trigger        = "mmc0",
 315         .gpio                   = GPIO85_ZIPITZ2_LED_CHARGED,
 316         .active_low             = 1,
 317 }, {
 318         .name                   = "z2:amber:charging",
 319         .default_trigger        = "Z2-charging-or-full",
 320         .gpio                   = GPIO83_ZIPITZ2_LED_CHARGING,
 321         .active_low             = 1,
 322 },
 323 };
 324
 325 static struct gpio_led_platform_data z2_gpio_led_info = {
 326         .leds           = z2_gpio_leds,
 327         .num_leds       = ARRAY_SIZE(z2_gpio_leds),
 328 };
 329
 330 static struct platform_device z2_leds = {
 331         .name   = "leds-gpio",
 332         .id     = -1,
 333         .dev    = {
 334                 .platform_data  = &z2_gpio_led_info,
 335         }
 336 };
 337
 338 static void __init z2_leds_init(void)
 339 {
 340         platform_device_register(&z2_leds);
 341 }
 342 #else
 343 static inline void z2_leds_init(void) {}
 344 #endif
 345
 346 /******************************************************************************
 347  * GPIO keyboard
 348  ******************************************************************************/
 349 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 350 static const unsigned int z2_matrix_keys[] = {
 351         KEY(0, 0, KEY_OPTION),
 352         KEY(1, 0, KEY_UP),
 353         KEY(2, 0, KEY_DOWN),
 354         KEY(3, 0, KEY_LEFT),
 355         KEY(4, 0, KEY_RIGHT),
 356         KEY(5, 0, KEY_END),
 357         KEY(6, 0, KEY_KPPLUS),
 358
 359         KEY(0, 1, KEY_HOME),
 360         KEY(1, 1, KEY_Q),
 361         KEY(2, 1, KEY_I),
 362         KEY(3, 1, KEY_G),
 363         KEY(4, 1, KEY_X),
 364         KEY(5, 1, KEY_ENTER),
 365         KEY(6, 1, KEY_KPMINUS),
 366
 367         KEY(0, 2, KEY_PAGEUP),
 368         KEY(1, 2, KEY_W),
 369         KEY(2, 2, KEY_O),
 370         KEY(3, 2, KEY_H),
 371         KEY(4, 2, KEY_C),
 372         KEY(5, 2, KEY_LEFTALT),
 373
 374         KEY(0, 3, KEY_PAGEDOWN),
 375         KEY(1, 3, KEY_E),
 376         KEY(2, 3, KEY_P),
 377         KEY(3, 3, KEY_J),
 378         KEY(4, 3, KEY_V),
 379         KEY(5, 3, KEY_LEFTSHIFT),
 380
 381         KEY(0, 4, KEY_ESC),
 382         KEY(1, 4, KEY_R),
 383         KEY(2, 4, KEY_A),
 384         KEY(3, 4, KEY_K),
 385         KEY(4, 4, KEY_B),
 386         KEY(5, 4, KEY_LEFTCTRL),
 387
 388         KEY(0, 5, KEY_TAB),
 389         KEY(1, 5, KEY_T),
 390         KEY(2, 5, KEY_S),
 391         KEY(3, 5, KEY_L),
 392         KEY(4, 5, KEY_N),
 393         KEY(5, 5, KEY_SPACE),
 394
 395         KEY(0, 6, KEY_STOPCD),
 396         KEY(1, 6, KEY_Y),
 397         KEY(2, 6, KEY_D),
 398         KEY(3, 6, KEY_BACKSPACE),
 399         KEY(4, 6, KEY_M),
 400         KEY(5, 6, KEY_COMMA),
 401
 402         KEY(0, 7, KEY_PLAYCD),
 403         KEY(1, 7, KEY_U),
 404         KEY(2, 7, KEY_F),
 405         KEY(3, 7, KEY_Z),
 406         KEY(4, 7, KEY_SEMICOLON),
 407         KEY(5, 7, KEY_DOT),
 408 };
 409
 410 static struct matrix_keymap_data z2_matrix_keymap_data = {
 411         .keymap                 = z2_matrix_keys,
 412         .keymap_size            = ARRAY_SIZE(z2_matrix_keys),
 413 };
 414
 415 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
 416         .matrix_key_rows        = 7,
 417         .matrix_key_cols        = 8,
 418         .matrix_keymap_data     = &z2_matrix_keymap_data,
 419
 420         .debounce_interval      = 30,
 421 };
 422
 423 static void __init z2_mkp_init(void)
 424 {
 425         pxa_set_keypad_info(&z2_keypad_platform_data);
 426 }
 427 #else
 428 static inline void z2_mkp_init(void) {}
 429 #endif
 430
 431 /******************************************************************************
 432  * GPIO keys
 433  ******************************************************************************/
 434 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 435 static struct gpio_keys_button z2_pxa_buttons[] = {
 436         {
 437                 .code           = KEY_POWER,
 438                 .gpio           = GPIO1_ZIPITZ2_POWER_BUTTON,
 439                 .active_low     = 0,
 440                 .desc           = "Power Button",
 441                 .wakeup         = 1,
 442                 .type           = EV_KEY,
 443         },
 444         {
 445                 .code           = SW_LID,
 446                 .gpio           = GPIO98_ZIPITZ2_LID_BUTTON,
 447                 .active_low     = 1,
 448                 .desc           = "Lid Switch",
 449                 .wakeup         = 0,
 450                 .type           = EV_SW,
 451         },
 452 };
 453
 454 static struct gpio_keys_platform_data z2_pxa_keys_data = {
 455         .buttons        = z2_pxa_buttons,
 456         .nbuttons       = ARRAY_SIZE(z2_pxa_buttons),
 457 };
 458
 459 static struct platform_device z2_pxa_keys = {
 460         .name   = "gpio-keys",
 461         .id     = -1,
 462         .dev    = {
 463                 .platform_data = &z2_pxa_keys_data,
 464         },
 465 };
 466
 467 static void __init z2_keys_init(void)
 468 {
 469         platform_device_register(&z2_pxa_keys);
 470 }
 471 #else
 472 static inline void z2_keys_init(void) {}
 473 #endif
 474
 475 /******************************************************************************
 476  * Battery
 477  ******************************************************************************/
 478 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 479 static struct z2_battery_info batt_chip_info = {
 480         .batt_I2C_bus   = 0,
 481         .batt_I2C_addr  = 0x55,
 482         .batt_I2C_reg   = 2,
 483         .charge_gpio    = GPIO0_ZIPITZ2_AC_DETECT,
 484         .min_voltage    = 3475000,
 485         .max_voltage    = 4190000,
 486         .batt_div       = 59,
 487         .batt_mult      = 1000000,
 488         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 489         .batt_name      = "Z2",
 490 };
 491
 492 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
 493         {
 494                 I2C_BOARD_INFO("aer915", 0x55),
 495                 .platform_data  = &batt_chip_info,
 496         }, {
 497                 I2C_BOARD_INFO("wm8750", 0x1b),
 498         },
 499
 500 };
 501
 502 static void __init z2_i2c_init(void)
 503 {
 504         pxa_set_i2c_info(NULL);
 505         i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
 506 }
 507 #else
 508 static inline void z2_i2c_init(void) {}
 509 #endif
 510
 511 /******************************************************************************
 512  * SSP Devices - WiFi and LCD control
 513  ******************************************************************************/
 514 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 515 /* WiFi */
 516 static int z2_lbs_spi_setup(struct spi_device *spi)
 517 {
 518         int ret = 0;
 519
 520         ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
 521         if (ret)
 522                 goto err;
 523
 524         ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
 525         if (ret)
 526                 goto err2;
 527
 528         /* Wait until card is powered on */
 529         mdelay(180);
 530
 531         spi->bits_per_word = 16;
 532         spi->mode = SPI_MODE_2,
 533
 534         spi_setup(spi);
 535
 536         return 0;
 537
 538 err2:
 539         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 540 err:
 541         return ret;
 542 };
 543
 544 static int z2_lbs_spi_teardown(struct spi_device *spi)
 545 {
 546         gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
 547         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 548
 549         return 0;
 550 };
 551
 552 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
 553         .rx_threshold   = 8,
 554         .tx_threshold   = 8,
 555         .timeout        = 1000,
 556         .gpio_cs        = GPIO24_ZIPITZ2_WIFI_CS,
 557 };
 558
 559 static struct libertas_spi_platform_data z2_lbs_pdata = {
 560         .use_dummy_writes       = 1,
 561         .setup                  = z2_lbs_spi_setup,
 562         .teardown               = z2_lbs_spi_teardown,
 563 };
 564
 565 /* LCD */
 566 static struct pxa2xx_spi_chip lms283_chip_info = {
 567         .rx_threshold   = 1,
 568         .tx_threshold   = 1,
 569         .timeout        = 64,
 570         .gpio_cs        = GPIO88_ZIPITZ2_LCD_CS,
 571 };
 572
 573 static const struct lms283gf05_pdata lms283_pdata = {
 574         .reset_gpio     = GPIO19_ZIPITZ2_LCD_RESET,
 575 };
 576
 577 static struct spi_board_info spi_board_info[] __initdata = {
 578 {
 579         .modalias               = "libertas_spi",
 580         .platform_data          = &z2_lbs_pdata,
 581         .controller_data        = &z2_lbs_chip_info,
 582         .irq                    = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
 583         .max_speed_hz           = 13000000,
 584         .bus_num                = 1,
 585         .chip_select            = 0,
 586 },
 587 {
 588         .modalias               = "lms283gf05",
 589         .controller_data        = &lms283_chip_info,
 590         .platform_data          = &lms283_pdata,
 591         .max_speed_hz           = 400000,
 592         .bus_num                = 2,
 593         .chip_select            = 0,
 594 },
 595 };
 596
 597 static struct pxa2xx_spi_master pxa_ssp1_master_info = {
 598         .clock_enable   = CKEN_SSP,
 599         .num_chipselect = 1,
 600         .enable_dma     = 1,
 601 };
 602
 603 static struct pxa2xx_spi_master pxa_ssp2_master_info = {
 604         .clock_enable   = CKEN_SSP2,
 605         .num_chipselect = 1,
 606 };
 607
 608 static void __init z2_spi_init(void)
 609 {
 610         pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
 611         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 612         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 613 }
 614 #else
 615 static inline void z2_spi_init(void) {}
 616 #endif
 617
 618 /******************************************************************************
 619  * Core power regulator
 620  ******************************************************************************/
 621 #if defined(CONFIG_REGULATOR_TPS65023) || \
 622         defined(CONFIG_REGULATOR_TPS65023_MODULE)
 623 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
 624         REGULATOR_SUPPLY("vcc_core", NULL),
 625 };
 626
 627 static struct regulator_init_data z2_tps65021_info[] = {
 628         {
 629                 .constraints = {
 630                         .name           = "vcc_core range",
 631                         .min_uV         = 800000,
 632                         .max_uV         = 1600000,
 633                         .always_on      = 1,
 634                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 635                 },
 636                 .consumer_supplies      = z2_tps65021_consumers,
 637                 .num_consumer_supplies  = ARRAY_SIZE(z2_tps65021_consumers),
 638         }, {
 639                 .constraints = {
 640                         .name           = "DCDC2",
 641                         .min_uV         = 3300000,
 642                         .max_uV         = 3300000,
 643                         .always_on      = 1,
 644                 },
 645         }, {
 646                 .constraints = {
 647                         .name           = "DCDC3",
 648                         .min_uV         = 1800000,
 649                         .max_uV         = 1800000,
 650                         .always_on      = 1,
 651                 },
 652         }, {
 653                 .constraints = {
 654                         .name           = "LDO1",
 655                         .min_uV         = 1000000,
 656                         .max_uV         = 3150000,
 657                         .always_on      = 1,
 658                 },
 659         }, {
 660                 .constraints = {
 661                         .name           = "LDO2",
 662                         .min_uV         = 1050000,
 663                         .max_uV         = 3300000,
 664                         .always_on      = 1,
 665                 },
 666         }
 667 };
 668
 669 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
 670         {
 671                 I2C_BOARD_INFO("tps65021", 0x48),
 672                 .platform_data  = &z2_tps65021_info,
 673         },
 674 };
 675
 676 static void __init z2_pmic_init(void)
 677 {
 678         pxa27x_set_i2c_power_info(NULL);
 679         i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
 680 }
 681 #else
 682 static inline void z2_pmic_init(void) {}
 683 #endif
 684
 685 #ifdef CONFIG_PM
 686 static void z2_power_off(void)
 687 {
 688         /* We're using deep sleep as poweroff, so clear PSPR to ensure that
 689          * bootloader will jump to its entry point in resume handler
 690          */
 691         PSPR = 0x0;
 692         local_irq_disable();
 693         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
 694         pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
 695 }
 696 #else
 697 #define z2_power_off   NULL
 698 #endif
 699
 700 /******************************************************************************
 701  * Machine init
 702  ******************************************************************************/
 703 static void __init z2_init(void)
 704 {
 705         pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
 706
 707         pxa_set_ffuart_info(NULL);
 708         pxa_set_btuart_info(NULL);
 709         pxa_set_stuart_info(NULL);
 710
 711         z2_lcd_init();
 712         z2_mmc_init();
 713         z2_mkp_init();
 714         z2_i2c_init();
 715         z2_spi_init();
 716         z2_nor_init();
 717         z2_pwm_init();
 718         z2_leds_init();
 719         z2_keys_init();
 720         z2_pmic_init();
 721
 722         pm_power_off = z2_power_off;
 723 }
 724
 725 MACHINE_START(ZIPIT2, "Zipit Z2")
 726         .atag_offset    = 0x100,
 727         .map_io         = pxa27x_map_io,
 728         .nr_irqs        = PXA_NR_IRQS,
 729         .init_irq       = pxa27x_init_irq,
 730         .handle_irq     = pxa27x_handle_irq,
 731         .init_time      = pxa_timer_init,
 732         .init_machine   = z2_init,
 733         .restart        = pxa_restart,
 734 MACHINE_END