arch/arm/mach-pxa/z2.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-pxa/z2.c
   4  *
   5  *  Support for the Zipit Z2 Handheld device.
   6  *
   7  *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
   8  *
   9  *  Based on research and code by: Ken McGuire
  10  *  Based on mainstone.c as modified for the Zipit Z2.
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/pwm.h>
  17 #include <linux/pwm_backlight.h>
  18 #include <linux/z2_battery.h>
  19 #include <linux/dma-mapping.h>
  20 #include <linux/spi/spi.h>
  21 #include <linux/spi/pxa2xx_spi.h>
  22 #include <linux/spi/libertas_spi.h>
  23 #include <linux/power_supply.h>
  24 #include <linux/mtd/physmap.h>
  25 #include <linux/gpio.h>
  26 #include <linux/gpio/machine.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/delay.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/platform_data/i2c-pxa.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34
  35 #include "pxa27x.h"
  36 #include "mfp-pxa27x.h"
  37 #include <mach/z2.h>
  38 #include <linux/platform_data/video-pxafb.h>
  39 #include <linux/platform_data/mmc-pxamci.h>
  40 #include <linux/platform_data/keypad-pxa27x.h>
  41 #include "pm.h"
  42
  43 #include "generic.h"
  44 #include "devices.h"
  45
  46 /******************************************************************************
  47  * Pin configuration
  48  ******************************************************************************/
  49 static unsigned long z2_pin_config[] = {
  50
  51         /* LCD - 16bpp Active TFT */
  52         GPIO58_LCD_LDD_0,
  53         GPIO59_LCD_LDD_1,
  54         GPIO60_LCD_LDD_2,
  55         GPIO61_LCD_LDD_3,
  56         GPIO62_LCD_LDD_4,
  57         GPIO63_LCD_LDD_5,
  58         GPIO64_LCD_LDD_6,
  59         GPIO65_LCD_LDD_7,
  60         GPIO66_LCD_LDD_8,
  61         GPIO67_LCD_LDD_9,
  62         GPIO68_LCD_LDD_10,
  63         GPIO69_LCD_LDD_11,
  64         GPIO70_LCD_LDD_12,
  65         GPIO71_LCD_LDD_13,
  66         GPIO72_LCD_LDD_14,
  67         GPIO73_LCD_LDD_15,
  68         GPIO74_LCD_FCLK,
  69         GPIO75_LCD_LCLK,
  70         GPIO76_LCD_PCLK,
  71         GPIO77_LCD_BIAS,
  72         GPIO19_GPIO,            /* LCD reset */
  73         GPIO88_GPIO,            /* LCD chipselect */
  74
  75         /* PWM */
  76         GPIO115_PWM1_OUT,       /* Keypad Backlight */
  77         GPIO11_PWM2_OUT,        /* LCD Backlight */
  78
  79         /* MMC */
  80         GPIO32_MMC_CLK,
  81         GPIO112_MMC_CMD,
  82         GPIO92_MMC_DAT_0,
  83         GPIO109_MMC_DAT_1,
  84         GPIO110_MMC_DAT_2,
  85         GPIO111_MMC_DAT_3,
  86         GPIO96_GPIO,            /* SD detect */
  87
  88         /* STUART */
  89         GPIO46_STUART_RXD,
  90         GPIO47_STUART_TXD,
  91
  92         /* Keypad */
  93         GPIO100_KP_MKIN_0,
  94         GPIO101_KP_MKIN_1,
  95         GPIO102_KP_MKIN_2,
  96         GPIO34_KP_MKIN_3,
  97         GPIO38_KP_MKIN_4,
  98         GPIO16_KP_MKIN_5,
  99         GPIO17_KP_MKIN_6,
 100         GPIO103_KP_MKOUT_0,
 101         GPIO104_KP_MKOUT_1,
 102         GPIO105_KP_MKOUT_2,
 103         GPIO106_KP_MKOUT_3,
 104         GPIO107_KP_MKOUT_4,
 105         GPIO108_KP_MKOUT_5,
 106         GPIO35_KP_MKOUT_6,
 107         GPIO41_KP_MKOUT_7,
 108
 109         /* I2C */
 110         GPIO117_I2C_SCL,
 111         GPIO118_I2C_SDA,
 112
 113         /* SSP1 */
 114         GPIO23_SSP1_SCLK,       /* SSP1_SCK */
 115         GPIO25_SSP1_TXD,        /* SSP1_TXD */
 116         GPIO26_SSP1_RXD,        /* SSP1_RXD */
 117
 118         /* SSP2 */
 119         GPIO22_SSP2_SCLK,       /* SSP2_SCK */
 120         GPIO13_SSP2_TXD,        /* SSP2_TXD */
 121         GPIO40_SSP2_RXD,        /* SSP2_RXD */
 122
 123         /* LEDs */
 124         GPIO10_GPIO,            /* WiFi LED */
 125         GPIO83_GPIO,            /* Charging LED */
 126         GPIO85_GPIO,            /* Charged LED */
 127
 128         /* I2S */
 129         GPIO28_I2S_BITCLK_OUT,
 130         GPIO29_I2S_SDATA_IN,
 131         GPIO30_I2S_SDATA_OUT,
 132         GPIO31_I2S_SYNC,
 133         GPIO113_I2S_SYSCLK,
 134
 135         /* MISC */
 136         GPIO0_GPIO,             /* AC power detect */
 137         GPIO1_GPIO,             /* Power button */
 138         GPIO37_GPIO,            /* Headphone detect */
 139         GPIO98_GPIO,            /* Lid switch */
 140         GPIO14_GPIO,            /* WiFi Power */
 141         GPIO24_GPIO,            /* WiFi CS */
 142         GPIO36_GPIO,            /* WiFi IRQ */
 143         GPIO88_GPIO,            /* LCD CS */
 144 };
 145
 146 /******************************************************************************
 147  * NOR Flash
 148  ******************************************************************************/
 149 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 150 static struct resource z2_flash_resource = {
 151         .start  = PXA_CS0_PHYS,
 152         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 153         .flags  = IORESOURCE_MEM,
 154 };
 155
 156 static struct mtd_partition z2_flash_parts[] = {
 157         {
 158                 .name   = "U-Boot Bootloader",
 159                 .offset = 0x0,
 160                 .size   = 0x40000,
 161         }, {
 162                 .name   = "U-Boot Environment",
 163                 .offset = 0x40000,
 164                 .size   = 0x20000,
 165         }, {
 166                 .name   = "Flash",
 167                 .offset = 0x60000,
 168                 .size   = MTDPART_SIZ_FULL,
 169         },
 170 };
 171
 172 static struct physmap_flash_data z2_flash_data = {
 173         .width          = 2,
 174         .parts          = z2_flash_parts,
 175         .nr_parts       = ARRAY_SIZE(z2_flash_parts),
 176 };
 177
 178 static struct platform_device z2_flash = {
 179         .name           = "physmap-flash",
 180         .id             = -1,
 181         .resource       = &z2_flash_resource,
 182         .num_resources  = 1,
 183         .dev = {
 184                 .platform_data  = &z2_flash_data,
 185         },
 186 };
 187
 188 static void __init z2_nor_init(void)
 189 {
 190         platform_device_register(&z2_flash);
 191 }
 192 #else
 193 static inline void z2_nor_init(void) {}
 194 #endif
 195
 196 /******************************************************************************
 197  * Backlight
 198  ******************************************************************************/
 199 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 200 static struct pwm_lookup z2_pwm_lookup[] = {
 201         PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320,
 202                    PWM_POLARITY_NORMAL),
 203         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320,
 204                    PWM_POLARITY_NORMAL),
 205 };
 206
 207 static struct platform_pwm_backlight_data z2_backlight_data[] = {
 208         [0] = {
 209                 /* Keypad Backlight */
 210                 .max_brightness = 1023,
 211                 .dft_brightness = 0,
 212         },
 213         [1] = {
 214                 /* LCD Backlight */
 215                 .max_brightness = 1023,
 216                 .dft_brightness = 512,
 217         },
 218 };
 219
 220 static struct platform_device z2_backlight_devices[2] = {
 221         {
 222                 .name   = "pwm-backlight",
 223                 .id     = 0,
 224                 .dev    = {
 225                         .platform_data  = &z2_backlight_data[1],
 226                 },
 227         },
 228         {
 229                 .name   = "pwm-backlight",
 230                 .id     = 1,
 231                 .dev    = {
 232                         .platform_data  = &z2_backlight_data[0],
 233                 },
 234         },
 235 };
 236 static void __init z2_pwm_init(void)
 237 {
 238         pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup));
 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         .detect_delay_ms        = 200,
 289 };
 290
 291 static struct gpiod_lookup_table z2_mci_gpio_table = {
 292         .dev_id = "pxa2xx-mci.0",
 293         .table = {
 294                 GPIO_LOOKUP("gpio-pxa", GPIO96_ZIPITZ2_SD_DETECT,
 295                             "cd", GPIO_ACTIVE_LOW),
 296                 { },
 297         },
 298 };
 299
 300 static void __init z2_mmc_init(void)
 301 {
 302         gpiod_add_lookup_table(&z2_mci_gpio_table);
 303         pxa_set_mci_info(&z2_mci_platform_data);
 304 }
 305 #else
 306 static inline void z2_mmc_init(void) {}
 307 #endif
 308
 309 /******************************************************************************
 310  * LEDs
 311  ******************************************************************************/
 312 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 313 struct gpio_led z2_gpio_leds[] = {
 314 {
 315         .name                   = "z2:green:wifi",
 316         .default_trigger        = "none",
 317         .gpio                   = GPIO10_ZIPITZ2_LED_WIFI,
 318         .active_low             = 1,
 319 }, {
 320         .name                   = "z2:green:charged",
 321         .default_trigger        = "mmc0",
 322         .gpio                   = GPIO85_ZIPITZ2_LED_CHARGED,
 323         .active_low             = 1,
 324 }, {
 325         .name                   = "z2:amber:charging",
 326         .default_trigger        = "Z2-charging-or-full",
 327         .gpio                   = GPIO83_ZIPITZ2_LED_CHARGING,
 328         .active_low             = 1,
 329 },
 330 };
 331
 332 static struct gpio_led_platform_data z2_gpio_led_info = {
 333         .leds           = z2_gpio_leds,
 334         .num_leds       = ARRAY_SIZE(z2_gpio_leds),
 335 };
 336
 337 static struct platform_device z2_leds = {
 338         .name   = "leds-gpio",
 339         .id     = -1,
 340         .dev    = {
 341                 .platform_data  = &z2_gpio_led_info,
 342         }
 343 };
 344
 345 static void __init z2_leds_init(void)
 346 {
 347         platform_device_register(&z2_leds);
 348 }
 349 #else
 350 static inline void z2_leds_init(void) {}
 351 #endif
 352
 353 /******************************************************************************
 354  * GPIO keyboard
 355  ******************************************************************************/
 356 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 357 static const unsigned int z2_matrix_keys[] = {
 358         KEY(0, 0, KEY_OPTION),
 359         KEY(1, 0, KEY_UP),
 360         KEY(2, 0, KEY_DOWN),
 361         KEY(3, 0, KEY_LEFT),
 362         KEY(4, 0, KEY_RIGHT),
 363         KEY(5, 0, KEY_END),
 364         KEY(6, 0, KEY_KPPLUS),
 365
 366         KEY(0, 1, KEY_HOME),
 367         KEY(1, 1, KEY_Q),
 368         KEY(2, 1, KEY_I),
 369         KEY(3, 1, KEY_G),
 370         KEY(4, 1, KEY_X),
 371         KEY(5, 1, KEY_ENTER),
 372         KEY(6, 1, KEY_KPMINUS),
 373
 374         KEY(0, 2, KEY_PAGEUP),
 375         KEY(1, 2, KEY_W),
 376         KEY(2, 2, KEY_O),
 377         KEY(3, 2, KEY_H),
 378         KEY(4, 2, KEY_C),
 379         KEY(5, 2, KEY_LEFTALT),
 380
 381         KEY(0, 3, KEY_PAGEDOWN),
 382         KEY(1, 3, KEY_E),
 383         KEY(2, 3, KEY_P),
 384         KEY(3, 3, KEY_J),
 385         KEY(4, 3, KEY_V),
 386         KEY(5, 3, KEY_LEFTSHIFT),
 387
 388         KEY(0, 4, KEY_ESC),
 389         KEY(1, 4, KEY_R),
 390         KEY(2, 4, KEY_A),
 391         KEY(3, 4, KEY_K),
 392         KEY(4, 4, KEY_B),
 393         KEY(5, 4, KEY_LEFTCTRL),
 394
 395         KEY(0, 5, KEY_TAB),
 396         KEY(1, 5, KEY_T),
 397         KEY(2, 5, KEY_S),
 398         KEY(3, 5, KEY_L),
 399         KEY(4, 5, KEY_N),
 400         KEY(5, 5, KEY_SPACE),
 401
 402         KEY(0, 6, KEY_STOPCD),
 403         KEY(1, 6, KEY_Y),
 404         KEY(2, 6, KEY_D),
 405         KEY(3, 6, KEY_BACKSPACE),
 406         KEY(4, 6, KEY_M),
 407         KEY(5, 6, KEY_COMMA),
 408
 409         KEY(0, 7, KEY_PLAYCD),
 410         KEY(1, 7, KEY_U),
 411         KEY(2, 7, KEY_F),
 412         KEY(3, 7, KEY_Z),
 413         KEY(4, 7, KEY_SEMICOLON),
 414         KEY(5, 7, KEY_DOT),
 415 };
 416
 417 static struct matrix_keymap_data z2_matrix_keymap_data = {
 418         .keymap                 = z2_matrix_keys,
 419         .keymap_size            = ARRAY_SIZE(z2_matrix_keys),
 420 };
 421
 422 static struct pxa27x_keypad_platform_data z2_keypad_platform_data = {
 423         .matrix_key_rows        = 7,
 424         .matrix_key_cols        = 8,
 425         .matrix_keymap_data     = &z2_matrix_keymap_data,
 426
 427         .debounce_interval      = 30,
 428 };
 429
 430 static void __init z2_mkp_init(void)
 431 {
 432         pxa_set_keypad_info(&z2_keypad_platform_data);
 433 }
 434 #else
 435 static inline void z2_mkp_init(void) {}
 436 #endif
 437
 438 /******************************************************************************
 439  * GPIO keys
 440  ******************************************************************************/
 441 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 442 static struct gpio_keys_button z2_pxa_buttons[] = {
 443         {
 444                 .code           = KEY_POWER,
 445                 .gpio           = GPIO1_ZIPITZ2_POWER_BUTTON,
 446                 .active_low     = 0,
 447                 .desc           = "Power Button",
 448                 .wakeup         = 1,
 449                 .type           = EV_KEY,
 450         },
 451         {
 452                 .code           = SW_LID,
 453                 .gpio           = GPIO98_ZIPITZ2_LID_BUTTON,
 454                 .active_low     = 1,
 455                 .desc           = "Lid Switch",
 456                 .wakeup         = 0,
 457                 .type           = EV_SW,
 458         },
 459 };
 460
 461 static struct gpio_keys_platform_data z2_pxa_keys_data = {
 462         .buttons        = z2_pxa_buttons,
 463         .nbuttons       = ARRAY_SIZE(z2_pxa_buttons),
 464 };
 465
 466 static struct platform_device z2_pxa_keys = {
 467         .name   = "gpio-keys",
 468         .id     = -1,
 469         .dev    = {
 470                 .platform_data = &z2_pxa_keys_data,
 471         },
 472 };
 473
 474 static void __init z2_keys_init(void)
 475 {
 476         platform_device_register(&z2_pxa_keys);
 477 }
 478 #else
 479 static inline void z2_keys_init(void) {}
 480 #endif
 481
 482 /******************************************************************************
 483  * Battery
 484  ******************************************************************************/
 485 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
 486 static struct z2_battery_info batt_chip_info = {
 487         .batt_I2C_bus   = 0,
 488         .batt_I2C_addr  = 0x55,
 489         .batt_I2C_reg   = 2,
 490         .min_voltage    = 3475000,
 491         .max_voltage    = 4190000,
 492         .batt_div       = 59,
 493         .batt_mult      = 1000000,
 494         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 495         .batt_name      = "Z2",
 496 };
 497
 498 static struct gpiod_lookup_table z2_battery_gpio_table = {
 499         .dev_id = "aer915",
 500         .table = {
 501                 GPIO_LOOKUP("gpio-pxa", GPIO0_ZIPITZ2_AC_DETECT,
 502                             NULL, GPIO_ACTIVE_HIGH),
 503                 { },
 504         },
 505 };
 506
 507 static struct i2c_board_info __initdata z2_i2c_board_info[] = {
 508         {
 509                 I2C_BOARD_INFO("aer915", 0x55),
 510                 .dev_name = "aer915",
 511                 .platform_data  = &batt_chip_info,
 512         }, {
 513                 I2C_BOARD_INFO("wm8750", 0x1b),
 514         },
 515
 516 };
 517
 518 static void __init z2_i2c_init(void)
 519 {
 520         pxa_set_i2c_info(NULL);
 521         gpiod_add_lookup_table(&z2_battery_gpio_table);
 522         i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info));
 523 }
 524 #else
 525 static inline void z2_i2c_init(void) {}
 526 #endif
 527
 528 /******************************************************************************
 529  * SSP Devices - WiFi and LCD control
 530  ******************************************************************************/
 531 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 532 /* WiFi */
 533 static int z2_lbs_spi_setup(struct spi_device *spi)
 534 {
 535         int ret = 0;
 536
 537         ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power");
 538         if (ret)
 539                 goto err;
 540
 541         ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1);
 542         if (ret)
 543                 goto err2;
 544
 545         /* Wait until card is powered on */
 546         mdelay(180);
 547
 548         spi->bits_per_word = 16;
 549         spi->mode = SPI_MODE_2,
 550
 551         spi_setup(spi);
 552
 553         return 0;
 554
 555 err2:
 556         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 557 err:
 558         return ret;
 559 };
 560
 561 static int z2_lbs_spi_teardown(struct spi_device *spi)
 562 {
 563         gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0);
 564         gpio_free(GPIO14_ZIPITZ2_WIFI_POWER);
 565
 566         return 0;
 567 };
 568
 569 static struct pxa2xx_spi_chip z2_lbs_chip_info = {
 570         .rx_threshold   = 8,
 571         .tx_threshold   = 8,
 572         .timeout        = 1000,
 573         .gpio_cs        = GPIO24_ZIPITZ2_WIFI_CS,
 574 };
 575
 576 static struct libertas_spi_platform_data z2_lbs_pdata = {
 577         .use_dummy_writes       = 1,
 578         .setup                  = z2_lbs_spi_setup,
 579         .teardown               = z2_lbs_spi_teardown,
 580 };
 581
 582 /* LCD */
 583 static struct pxa2xx_spi_chip lms283_chip_info = {
 584         .rx_threshold   = 1,
 585         .tx_threshold   = 1,
 586         .timeout        = 64,
 587         .gpio_cs        = GPIO88_ZIPITZ2_LCD_CS,
 588 };
 589
 590 static struct gpiod_lookup_table lms283_gpio_table = {
 591         .dev_id = "spi2.0", /* SPI bus 2 chip select 0 */
 592         .table = {
 593                 GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET,
 594                             "reset", GPIO_ACTIVE_LOW),
 595                 { },
 596         },
 597 };
 598
 599 static struct spi_board_info spi_board_info[] __initdata = {
 600 {
 601         .modalias               = "libertas_spi",
 602         .platform_data          = &z2_lbs_pdata,
 603         .controller_data        = &z2_lbs_chip_info,
 604         .irq                    = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ),
 605         .max_speed_hz           = 13000000,
 606         .bus_num                = 1,
 607         .chip_select            = 0,
 608 },
 609 {
 610         .modalias               = "lms283gf05",
 611         .controller_data        = &lms283_chip_info,
 612         .max_speed_hz           = 400000,
 613         .bus_num                = 2,
 614         .chip_select            = 0,
 615 },
 616 };
 617
 618 static struct pxa2xx_spi_controller pxa_ssp1_master_info = {
 619         .num_chipselect = 1,
 620         .enable_dma     = 1,
 621 };
 622
 623 static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
 624         .num_chipselect = 1,
 625 };
 626
 627 static void __init z2_spi_init(void)
 628 {
 629         pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
 630         pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
 631         gpiod_add_lookup_table(&lms283_gpio_table);
 632         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 633 }
 634 #else
 635 static inline void z2_spi_init(void) {}
 636 #endif
 637
 638 /******************************************************************************
 639  * Core power regulator
 640  ******************************************************************************/
 641 #if defined(CONFIG_REGULATOR_TPS65023) || \
 642         defined(CONFIG_REGULATOR_TPS65023_MODULE)
 643 static struct regulator_consumer_supply z2_tps65021_consumers[] = {
 644         REGULATOR_SUPPLY("vcc_core", NULL),
 645 };
 646
 647 static struct regulator_init_data z2_tps65021_info[] = {
 648         {
 649                 .constraints = {
 650                         .name           = "vcc_core range",
 651                         .min_uV         = 800000,
 652                         .max_uV         = 1600000,
 653                         .always_on      = 1,
 654                         .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 655                 },
 656                 .consumer_supplies      = z2_tps65021_consumers,
 657                 .num_consumer_supplies  = ARRAY_SIZE(z2_tps65021_consumers),
 658         }, {
 659                 .constraints = {
 660                         .name           = "DCDC2",
 661                         .min_uV         = 3300000,
 662                         .max_uV         = 3300000,
 663                         .always_on      = 1,
 664                 },
 665         }, {
 666                 .constraints = {
 667                         .name           = "DCDC3",
 668                         .min_uV         = 1800000,
 669                         .max_uV         = 1800000,
 670                         .always_on      = 1,
 671                 },
 672         }, {
 673                 .constraints = {
 674                         .name           = "LDO1",
 675                         .min_uV         = 1000000,
 676                         .max_uV         = 3150000,
 677                         .always_on      = 1,
 678                 },
 679         }, {
 680                 .constraints = {
 681                         .name           = "LDO2",
 682                         .min_uV         = 1050000,
 683                         .max_uV         = 3300000,
 684                         .always_on      = 1,
 685                 },
 686         }
 687 };
 688
 689 static struct i2c_board_info __initdata z2_pi2c_board_info[] = {
 690         {
 691                 I2C_BOARD_INFO("tps65021", 0x48),
 692                 .platform_data  = &z2_tps65021_info,
 693         },
 694 };
 695
 696 static void __init z2_pmic_init(void)
 697 {
 698         pxa27x_set_i2c_power_info(NULL);
 699         i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info));
 700 }
 701 #else
 702 static inline void z2_pmic_init(void) {}
 703 #endif
 704
 705 #ifdef CONFIG_PM
 706 static void z2_power_off(void)
 707 {
 708         /* We're using deep sleep as poweroff, so clear PSPR to ensure that
 709          * bootloader will jump to its entry point in resume handler
 710          */
 711         PSPR = 0x0;
 712         local_irq_disable();
 713         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
 714         pxa27x_cpu_pm_enter(PM_SUSPEND_MEM);
 715 }
 716 #else
 717 #define z2_power_off   NULL
 718 #endif
 719
 720 /******************************************************************************
 721  * Machine init
 722  ******************************************************************************/
 723 static void __init z2_init(void)
 724 {
 725         pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
 726
 727         pxa_set_ffuart_info(NULL);
 728         pxa_set_btuart_info(NULL);
 729         pxa_set_stuart_info(NULL);
 730
 731         z2_lcd_init();
 732         z2_mmc_init();
 733         z2_mkp_init();
 734         z2_i2c_init();
 735         z2_spi_init();
 736         z2_nor_init();
 737         z2_pwm_init();
 738         z2_leds_init();
 739         z2_keys_init();
 740         z2_pmic_init();
 741
 742         pm_power_off = z2_power_off;
 743 }
 744
 745 MACHINE_START(ZIPIT2, "Zipit Z2")
 746         .atag_offset    = 0x100,
 747         .map_io         = pxa27x_map_io,
 748         .nr_irqs        = PXA_NR_IRQS,
 749         .init_irq       = pxa27x_init_irq,
 750         .handle_irq     = pxa27x_handle_irq,
 751         .init_time      = pxa_timer_init,
 752         .init_machine   = z2_init,
 753         .restart        = pxa_restart,
 754 MACHINE_END