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