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.h>
  20 #include <linux/pwm_backlight.h>
  21 #include <linux/z2_battery.h>
  22 #include <linux/dma-mapping.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/pxa2xx_spi.h>
  25 #include <linux/spi/libertas_spi.h>
  26 #include <linux/spi/lms283gf05.h>
  27 #include <linux/power_supply.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/gpio.h>
  30 #include <linux/gpio/machine.h>
  31 #include <linux/gpio_keys.h>
  32 #include <linux/delay.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/platform_data/i2c-pxa.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38
  39 #include "pxa27x.h"
  40 #include "mfp-pxa27x.h"
  41 #include <mach/z2.h>
  42 #include <linux/platform_data/video-pxafb.h>
  43 #include <linux/platform_data/mmc-pxamci.h>
  44 #include <linux/platform_data/keypad-pxa27x.h>
  45 #include "pm.h"
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49
  50 /******************************************************************************
  51  * Pin configuration
  52  ******************************************************************************/
  53 static unsigned long z2_pin_config[] = {
  54
  55         /* LCD - 16bpp Active TFT */
  56         GPIO58_LCD_LDD_0,
  57         GPIO59_LCD_LDD_1,
  58         GPIO60_LCD_LDD_2,
  59         GPIO61_LCD_LDD_3,
  60         GPIO62_LCD_LDD_4,
  61         GPIO63_LCD_LDD_5,
  62         GPIO64_LCD_LDD_6,
  63         GPIO65_LCD_LDD_7,
  64         GPIO66_LCD_LDD_8,
  65         GPIO67_LCD_LDD_9,
  66         GPIO68_LCD_LDD_10,
  67         GPIO69_LCD_LDD_11,
  68         GPIO70_LCD_LDD_12,
  69         GPIO71_LCD_LDD_13,
  70         GPIO72_LCD_LDD_14,
  71         GPIO73_LCD_LDD_15,
  72         GPIO74_LCD_FCLK,
  73         GPIO75_LCD_LCLK,
  74         GPIO76_LCD_PCLK,
  75         GPIO77_LCD_BIAS,
  76         GPIO19_GPIO,            /* LCD reset */
  77         GPIO88_GPIO,            /* LCD chipselect */
  78
  79         /* PWM */
  80         GPIO115_PWM1_OUT,       /* Keypad Backlight */
  81         GPIO11_PWM2_OUT,        /* LCD Backlight */
  82
  83         /* MMC */
  84         GPIO32_MMC_CLK,
  85         GPIO112_MMC_CMD,
  86         GPIO92_MMC_DAT_0,
  87         GPIO109_MMC_DAT_1,
  88         GPIO110_MMC_DAT_2,
  89         GPIO111_MMC_DAT_3,
  90         GPIO96_GPIO,            /* SD detect */
  91
  92         /* STUART */
  93         GPIO46_STUART_RXD,
  94         GPIO47_STUART_TXD,
  95
  96         /* Keypad */
  97         GPIO100_KP_MKIN_0,
  98         GPIO101_KP_MKIN_1,
  99         GPIO102_KP_MKIN_2,
 100         GPIO34_KP_MKIN_3,
 101         GPIO38_KP_MKIN_4,
 102         GPIO16_KP_MKIN_5,
 103         GPIO17_KP_MKIN_6,
 104         GPIO103_KP_MKOUT_0,
 105         GPIO104_KP_MKOUT_1,
 106         GPIO105_KP_MKOUT_2,
 107         GPIO106_KP_MKOUT_3,
 108         GPIO107_KP_MKOUT_4,
 109         GPIO108_KP_MKOUT_5,
 110         GPIO35_KP_MKOUT_6,
 111         GPIO41_KP_MKOUT_7,
 112
 113         /* I2C */
 114         GPIO117_I2C_SCL,
 115         GPIO118_I2C_SDA,
 116
 117         /* SSP1 */
 118         GPIO23_SSP1_SCLK,       /* SSP1_SCK */
 119         GPIO25_SSP1_TXD,        /* SSP1_TXD */
 120         GPIO26_SSP1_RXD,        /* SSP1_RXD */
 121
 122         /* SSP2 */
 123         GPIO22_SSP2_SCLK,       /* SSP2_SCK */
 124         GPIO13_SSP2_TXD,        /* SSP2_TXD */
 125         GPIO40_SSP2_RXD,        /* SSP2_RXD */
 126
 127         /* LEDs */
 128         GPIO10_GPIO,            /* WiFi LED */
 129         GPIO83_GPIO,            /* Charging LED */
 130         GPIO85_GPIO,            /* Charged LED */
 131
 132         /* I2S */
 133         GPIO28_I2S_BITCLK_OUT,
 134         GPIO29_I2S_SDATA_IN,
 135         GPIO30_I2S_SDATA_OUT,
 136         GPIO31_I2S_SYNC,
 137         GPIO113_I2S_SYSCLK,
 138
 139         /* MISC */
 140         GPIO0_GPIO,             /* AC power detect */
 141         GPIO1_GPIO,             /* Power button */
 142         GPIO37_GPIO,            /* Headphone detect */
 143         GPIO98_GPIO,            /* Lid switch */
 144         GPIO14_GPIO,            /* WiFi Power */
 145         GPIO24_GPIO,            /* WiFi CS */
 146         GPIO36_GPIO,            /* WiFi IRQ */
 147         GPIO88_GPIO,            /* LCD CS */
 148 };
 149
 150 /******************************************************************************
 151  * NOR Flash
 152  ******************************************************************************/
 153 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 154 static struct resource z2_flash_resource = {
 155         .start  = PXA_CS0_PHYS,
 156         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 157         .flags  = IORESOURCE_MEM,
 158 };
 159
 160 static struct mtd_partition z2_flash_parts[] = {
 161         {
 162                 .name   = "U-Boot Bootloader",
 163                 .offset = 0x0,
 164                 .size   = 0x40000,
 165         }, {
 166                 .name   = "U-Boot Environment",
 167                 .offset = 0x40000,
 168                 .size   = 0x20000,
 169         }, {
 170                 .name   = "Flash",
 171                 .offset = 0x60000,
 172                 .size   = MTDPART_SIZ_FULL,
 173         },
 174 };
 175
 176 static struct physmap_flash_data z2_flash_data = {
 177         .width          = 2,
 178         .parts          = z2_flash_parts,
 179         .nr_parts       = ARRAY_SIZE(z2_flash_parts),
 180 };
 181
 182 static struct platform_device z2_flash = {
 183         .name           = "physmap-flash",
 184         .id             = -1,
 185         .resource       = &z2_flash_resource,
 186         .num_resources  = 1,
 187         .dev = {
 188                 .platform_data  = &z2_flash_data,
 189         },
 190 };
 191
 192 static void __init z2_nor_init(void)
 193 {
 194         platform_device_register(&z2_flash);
 195 }
 196 #else
 197 static inline void z2_nor_init(void) {}
 198 #endif
 199
 200 /******************************************************************************
 201  * Backlight
 202  ******************************************************************************/
 203 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 204 static struct pwm_lookup z2_pwm_lookup[] = {
 205         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320,
 206                    PWM_POLARITY_NORMAL),
 207         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320,
 208                    PWM_POLARITY_NORMAL),
 209 };
 210
 211 static struct platform_pwm_backlight_data z2_backlight_data[] = {
 212         [0] = {
 213                 /* Keypad Backlight */
 214                 .max_brightness = 1023,
 215                 .dft_brightness = 0,
 216                 .enable_gpio    = -1,
 217         },
 218         [1] = {
 219                 /* LCD Backlight */
 220                 .max_brightness = 1023,
 221                 .dft_brightness = 512,
 222                 .enable_gpio    = -1,
 223         },
 224 };
 225
 226 static struct platform_device z2_backlight_devices[2] = {
 227         {
 228                 .name   = "pwm-backlight",
 229                 .id     = 0,
 230                 .dev    = {
 231                         .platform_data  = &z2_backlight_data[1],
 232                 },
 233         },
 234         {
 235                 .name   = "pwm-backlight",
 236                 .id     = 1,
 237                 .dev    = {
 238                         .platform_data  = &z2_backlight_data[0],
 239                 },
 240         },
 241 };
 242 static void __init z2_pwm_init(void)
 243 {
 244         pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup));
 245         platform_device_register(&z2_backlight_devices[0]);
 246         platform_device_register(&z2_backlight_devices[1]);
 247 }
 248 #else
 249 static inline void z2_pwm_init(void) {}
 250 #endif
 251
 252 /******************************************************************************
 253  * Framebuffer
 254  ******************************************************************************/
 255 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 256 static struct pxafb_mode_info z2_lcd_modes[] = {
 257 {
 258         .pixclock       = 192000,
 259         .xres           = 240,
 260         .yres           = 320,
 261         .bpp            = 16,
 262
 263         .left_margin    = 4,
 264         .right_margin   = 8,
 265         .upper_margin   = 4,
 266         .lower_margin   = 8,
 267
 268         .hsync_len      = 4,
 269         .vsync_len      = 4,
 270 },
 271 };
 272
 273 static struct pxafb_mach_info z2_lcd_screen = {
 274         .modes          = z2_lcd_modes,
 275         .num_modes      = ARRAY_SIZE(z2_lcd_modes),
 276         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW |
 277                           LCD_ALTERNATE_MAPPING,
 278 };
 279
 280 static void __init z2_lcd_init(void)
 281 {
 282         pxa_set_fb_info(NULL, &z2_lcd_screen);
 283 }
 284 #else
 285 static inline void z2_lcd_init(void) {}
 286 #endif
 287
 288 /******************************************************************************
 289  * SD/MMC card controller
 290  ******************************************************************************/
 291 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 292 static struct pxamci_platform_data z2_mci_platform_data = {
 293         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 294         .detect_delay_ms        = 200,
 295 };
 296
 297 static struct gpiod_lookup_table z2_mci_gpio_table = {
 298         .dev_id = "pxa2xx-mci.0",
 299         .table = {
 300                 GPIO_LOOKUP("gpio-pxa", GPIO96_ZIPITZ2_SD_DETECT,
 301                             "cd", GPIO_ACTIVE_LOW),
 302                 { },
 303         },
 304 };
 305
 306 static void __init z2_mmc_init(void)
 307 {
 308         gpiod_add_lookup_table(&z2_mci_gpio_table);
 309         pxa_set_mci_info(&z2_mci_platform_data);
 310 }
 311 #else
 312 static inline void z2_mmc_init(void) {}
 313 #endif
 314
 315 /******************************************************************************
 316  * LEDs
 317  ******************************************************************************/
 318 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 319 struct gpio_led z2_gpio_leds[] = {
 320 {
 321         .name                   = "z2:green:wifi",
 322         .default_trigger        = "none",
 323         .gpio                   = GPIO10_ZIPITZ2_LED_WIFI,
 324         .active_low             = 1,
 325 }, {
 326         .name                   = "z2:green:charged",
 327         .default_trigger        = "mmc0",
 328         .gpio                   = GPIO85_ZIPITZ2_LED_CHARGED,
 329         .active_low             = 1,
 330 }, {
 331         .name                   = "z2:amber:charging",
 332         .default_trigger        = "Z2-charging-or-full",
 333         .gpio                   = GPIO83_ZIPITZ2_LED_CHARGING,
 334         .active_low             = 1,
 335 },
 336 };
 337
 338 static struct gpio_led_platform_data z2_gpio_led_info = {
 339         .leds           = z2_gpio_leds,
 340         .num_leds       = ARRAY_SIZE(z2_gpio_leds),
 341 };
 342
 343 static struct platform_device z2_leds = {
 344         .name   = "leds-gpio",
 345         .id     = -1,
 346         .dev    = {
 347                 .platform_data  = &z2_gpio_led_info,
 348         }
 349 };
 350
 351 static void __init z2_leds_init(void)
 352 {
 353         platform_device_register(&z2_leds);
 354 }
 355 #else
 356 static inline void z2_leds_init(void) {}
 357 #endif
 358
 359 /******************************************************************************
 360  * GPIO keyboard
 361  ******************************************************************************/
 362 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 363 static const unsigned int z2_matrix_keys[] = {
 364         KEY(0, 0, KEY_OPTION),
 365         KEY(1, 0, KEY_UP),
 366         KEY(2, 0, KEY_DOWN),
 367         KEY(3, 0, KEY_LEFT),
 368         KEY(4, 0, KEY_RIGHT),
 369         KEY(5, 0, KEY_END),
 370         KEY(6, 0, KEY_KPPLUS),
 371
 372         KEY(0, 1, KEY_HOME),
 373         KEY(1, 1, KEY_Q),
 374         KEY(2, 1, KEY_I),
 375         KEY(3, 1, KEY_G),
 376         KEY(4, 1, KEY_X),
 377         KEY(5, 1, KEY_ENTER),
 378         KEY(6, 1, KEY_KPMINUS),
 379
 380         KEY(0, 2, KEY_PAGEUP),
 381         KEY(1, 2, KEY_W),
 382         KEY(2, 2, KEY_O),
 383         KEY(3, 2, KEY_H),
 384         KEY(4, 2, KEY_C),
 385         KEY(5, 2, KEY_LEFTALT),
 386
 387         KEY(0, 3, KEY_PAGEDOWN),
 388         KEY(1, 3, KEY_E),
 389         KEY(2, 3, KEY_P),
 390         KEY(3, 3, KEY_J),
 391         KEY(4, 3, KEY_V),
 392         KEY(5, 3, KEY_LEFTSHIFT),
 393
 394         KEY(0, 4, KEY_ESC),
 395         KEY(1, 4, KEY_R),
 396         KEY(2, 4, KEY_A),
 397         KEY(3, 4, KEY_K),
 398         KEY(4, 4, KEY_B),
 399         KEY(5, 4, KEY_LEFTCTRL),
 400
 401         KEY(0, 5, KEY_TAB),
 402         KEY(1, 5, KEY_T),
 403         KEY(2, 5, KEY_S),
 404         KEY(3, 5, KEY_L),
 405         KEY(4, 5, KEY_N),
 406         KEY(5, 5, KEY_SPACE),
 407
 408         KEY(0, 6, KEY_STOPCD),
 409         KEY(1, 6, KEY_Y),
 410         KEY(2, 6, KEY_D),
 411         KEY(3, 6, KEY_BACKSPACE),
 412         KEY(4, 6, KEY_M),
 413         KEY(5, 6, KEY_COMMA),
 414
 415         KEY(0, 7, KEY_PLAYCD),
 416         KEY(1, 7, KEY_U),
 417         KEY(2, 7, KEY_F),
 418         KEY(3, 7, KEY_Z),
 419         KEY(4, 7, KEY_SEMICOLON),
 420         KEY(5, 7, KEY_DOT),
 421 };
 422
 423 static struct matrix_keymap_data z2_matrix_keymap_data = {
 424         .keymap                 = z2_matrix_keys,
 425         .keymap_size            = ARRAY_SIZE(z2_matrix_keys),
 426 };
 427
 428 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
 429         .matrix_key_rows        = 7,
 430         .matrix_key_cols        = 8,
 431         .matrix_keymap_data     = &z2_matrix_keymap_data,
 432
 433         .debounce_interval      = 30,
 434 };
 435
 436 static void __init z2_mkp_init(void)
 437 {
 438         pxa_set_keypad_info(&z2_keypad_platform_data);
 439 }
 440 #else
 441 static inline void z2_mkp_init(void) {}
 442 #endif
 443
 444 /******************************************************************************
 445  * GPIO keys
 446  ******************************************************************************/
 447 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 448 static struct gpio_keys_button z2_pxa_buttons[] = {
 449         {
 450                 .code           = KEY_POWER,
 451                 .gpio           = GPIO1_ZIPITZ2_POWER_BUTTON,
 452                 .active_low     = 0,
 453                 .desc           = "Power Button",
 454                 .wakeup         = 1,
 455                 .type           = EV_KEY,
 456         },
 457         {
 458                 .code           = SW_LID,
 459                 .gpio           = GPIO98_ZIPITZ2_LID_BUTTON,
 460                 .active_low     = 1,
 461                 .desc           = "Lid Switch",
 462                 .wakeup         = 0,
 463                 .type           = EV_SW,
 464         },
 465 };
 466
 467 static struct gpio_keys_platform_data z2_pxa_keys_data = {
 468         .buttons        = z2_pxa_buttons,
 469         .nbuttons       = ARRAY_SIZE(z2_pxa_buttons),
 470 };
 471
 472 static struct platform_device z2_pxa_keys = {
 473         .name   = "gpio-keys",
 474         .id     = -1,
 475         .dev    = {
 476                 .platform_data = &z2_pxa_keys_data,
 477         },
 478 };
 479
 480 static void __init z2_keys_init(void)
 481 {
 482         platform_device_register(&z2_pxa_keys);
 483 }
 484 #else
 485 static inline void z2_keys_init(void) {}
 486 #endif
 487
 488 /******************************************************************************
 489  * Battery
 490  ******************************************************************************/
 491 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 492 static struct z2_battery_info batt_chip_info = {
 493         .batt_I2C_bus   = 0,
 494         .batt_I2C_addr  = 0x55,
 495         .batt_I2C_reg   = 2,
 496         .charge_gpio    = GPIO0_ZIPITZ2_AC_DETECT,
 497         .min_voltage    = 3475000,
 498         .max_voltage    = 4190000,
 499         .batt_div       = 59,
 500         .batt_mult      = 1000000,
 501         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 502         .batt_name      = "Z2",
 503 };
 504
 505 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
 506         {
 507                 I2C_BOARD_INFO("aer915", 0x55),
 508                 .platform_data  = &batt_chip_info,
 509         }, {
 510                 I2C_BOARD_INFO("wm8750", 0x1b),
 511         },
 512
 513 };
 514
 515 static void __init z2_i2c_init(void)
 516 {
 517         pxa_set_i2c_info(NULL);
 518         i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
 519 }
 520 #else
 521 static inline void z2_i2c_init(void) {}
 522 #endif
 523
 524 /******************************************************************************
 525  * SSP Devices - WiFi and LCD control
 526  ******************************************************************************/
 527 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 528 /* WiFi */
 529 static int z2_lbs_spi_setup(struct spi_device *spi)
 530 {
 531         int ret = 0;
 532
 533         ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
 534         if (ret)
 535                 goto err;
 536
 537         ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
 538         if (ret)
 539                 goto err2;
 540
 541         /* Wait until card is powered on */
 542         mdelay(180);
 543
 544         spi->bits_per_word = 16;
 545         spi->mode = SPI_MODE_2,
 546
 547         spi_setup(spi);
 548
 549         return 0;
 550
 551 err2:
 552         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 553 err:
 554         return ret;
 555 };
 556
 557 static int z2_lbs_spi_teardown(struct spi_device *spi)
 558 {
 559         gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
 560         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 561
 562         return 0;
 563 };
 564
 565 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
 566         .rx_threshold   = 8,
 567         .tx_threshold   = 8,
 568         .timeout        = 1000,
 569         .gpio_cs        = GPIO24_ZIPITZ2_WIFI_CS,
 570 };
 571
 572 static struct libertas_spi_platform_data z2_lbs_pdata = {
 573         .use_dummy_writes       = 1,
 574         .setup                  = z2_lbs_spi_setup,
 575         .teardown               = z2_lbs_spi_teardown,
 576 };
 577
 578 /* LCD */
 579 static struct pxa2xx_spi_chip lms283_chip_info = {
 580         .rx_threshold   = 1,
 581         .tx_threshold   = 1,
 582         .timeout        = 64,
 583         .gpio_cs        = GPIO88_ZIPITZ2_LCD_CS,
 584 };
 585
 586 static const struct lms283gf05_pdata lms283_pdata = {
 587         .reset_gpio     = GPIO19_ZIPITZ2_LCD_RESET,
 588 };
 589
 590 static struct spi_board_info spi_board_info[] __initdata = {
 591 {
 592         .modalias               = "libertas_spi",
 593         .platform_data          = &z2_lbs_pdata,
 594         .controller_data        = &z2_lbs_chip_info,
 595         .irq                    = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
 596         .max_speed_hz           = 13000000,
 597         .bus_num                = 1,
 598         .chip_select            = 0,
 599 },
 600 {
 601         .modalias               = "lms283gf05",
 602         .controller_data        = &lms283_chip_info,
 603         .platform_data          = &lms283_pdata,
 604         .max_speed_hz           = 400000,
 605         .bus_num                = 2,
 606         .chip_select            = 0,
 607 },
 608 };
 609
 610 static struct pxa2xx_spi_controller pxa_ssp1_master_info = {
 611         .num_chipselect = 1,
 612         .enable_dma     = 1,
 613 };
 614
 615 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
 616         .num_chipselect = 1,
 617 };
 618
 619 static void __init z2_spi_init(void)
 620 {
 621         pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
 622         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 623         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 624 }
 625 #else
 626 static inline void z2_spi_init(void) {}
 627 #endif
 628
 629 /******************************************************************************
 630  * Core power regulator
 631  ******************************************************************************/
 632 #if defined(CONFIG_REGULATOR_TPS65023) || \
 633         defined(CONFIG_REGULATOR_TPS65023_MODULE)
 634 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
 635         REGULATOR_SUPPLY("vcc_core", NULL),
 636 };
 637
 638 static struct regulator_init_data z2_tps65021_info[] = {
 639         {
 640                 .constraints = {
 641                         .name           = "vcc_core range",
 642                         .min_uV         = 800000,
 643                         .max_uV         = 1600000,
 644                         .always_on      = 1,
 645                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 646                 },
 647                 .consumer_supplies      = z2_tps65021_consumers,
 648                 .num_consumer_supplies  = ARRAY_SIZE(z2_tps65021_consumers),
 649         }, {
 650                 .constraints = {
 651                         .name           = "DCDC2",
 652                         .min_uV         = 3300000,
 653                         .max_uV         = 3300000,
 654                         .always_on      = 1,
 655                 },
 656         }, {
 657                 .constraints = {
 658                         .name           = "DCDC3",
 659                         .min_uV         = 1800000,
 660                         .max_uV         = 1800000,
 661                         .always_on      = 1,
 662                 },
 663         }, {
 664                 .constraints = {
 665                         .name           = "LDO1",
 666                         .min_uV         = 1000000,
 667                         .max_uV         = 3150000,
 668                         .always_on      = 1,
 669                 },
 670         }, {
 671                 .constraints = {
 672                         .name           = "LDO2",
 673                         .min_uV         = 1050000,
 674                         .max_uV         = 3300000,
 675                         .always_on      = 1,
 676                 },
 677         }
 678 };
 679
 680 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
 681         {
 682                 I2C_BOARD_INFO("tps65021", 0x48),
 683                 .platform_data  = &z2_tps65021_info,
 684         },
 685 };
 686
 687 static void __init z2_pmic_init(void)
 688 {
 689         pxa27x_set_i2c_power_info(NULL);
 690         i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
 691 }
 692 #else
 693 static inline void z2_pmic_init(void) {}
 694 #endif
 695
 696 #ifdef CONFIG_PM
 697 static void z2_power_off(void)
 698 {
 699         /* We're using deep sleep as poweroff, so clear PSPR to ensure that
 700          * bootloader will jump to its entry point in resume handler
 701          */
 702         PSPR = 0x0;
 703         local_irq_disable();
 704         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
 705         pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
 706 }
 707 #else
 708 #define z2_power_off   NULL
 709 #endif
 710
 711 /******************************************************************************
 712  * Machine init
 713  ******************************************************************************/
 714 static void __init z2_init(void)
 715 {
 716         pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
 717
 718         pxa_set_ffuart_info(NULL);
 719         pxa_set_btuart_info(NULL);
 720         pxa_set_stuart_info(NULL);
 721
 722         z2_lcd_init();
 723         z2_mmc_init();
 724         z2_mkp_init();
 725         z2_i2c_init();
 726         z2_spi_init();
 727         z2_nor_init();
 728         z2_pwm_init();
 729         z2_leds_init();
 730         z2_keys_init();
 731         z2_pmic_init();
 732
 733         pm_power_off = z2_power_off;
 734 }
 735
 736 MACHINE_START(ZIPIT2, "Zipit Z2")
 737         .atag_offset    = 0x100,
 738         .map_io         = pxa27x_map_io,
 739         .nr_irqs        = PXA_NR_IRQS,
 740         .init_irq       = pxa27x_init_irq,
 741         .handle_irq     = pxa27x_handle_irq,
 742         .init_time      = pxa_timer_init,
 743         .init_machine   = z2_init,
 744         .restart        = pxa_restart,
 745 MACHINE_END