arch/arm/mach-pxa/raumfeld.c

   1 /*
   2  * arch/arm/mach-pxa/raumfeld.c
   3  *
   4  * Support for the following Raumfeld devices:
   5  *
   6  *      * Controller
   7  *      * Connector
   8  *      * Speaker S/M
   9  *
  10  * See http://www.raumfeld.com for details.
  11  *
  12  * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/init.h>
  20 #include <linux/kernel.h>
  21 #include <linux/property.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/gpio.h>
  25 #include <linux/gpio/machine.h>
  26 #include <linux/smsc911x.h>
  27 #include <linux/input.h>
  28 #include <linux/gpio_keys.h>
  29 #include <linux/leds.h>
  30 #include <linux/w1-gpio.h>
  31 #include <linux/sched.h>
  32 #include <linux/pwm.h>
  33 #include <linux/pwm_backlight.h>
  34 #include <linux/i2c.h>
  35 #include <linux/platform_data/i2c-pxa.h>
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/spi_gpio.h>
  38 #include <linux/lis3lv02d.h>
  39 #include <linux/pda_power.h>
  40 #include <linux/power_supply.h>
  41 #include <linux/regulator/max8660.h>
  42 #include <linux/regulator/machine.h>
  43 #include <linux/regulator/fixed.h>
  44 #include <linux/regulator/consumer.h>
  45 #include <linux/delay.h>
  46
  47 #include <asm/system_info.h>
  48
  49 #include <asm/mach-types.h>
  50 #include <asm/mach/arch.h>
  51
  52 #include "pxa300.h"
  53 #include <linux/platform_data/usb-ohci-pxa27x.h>
  54 #include <linux/platform_data/video-pxafb.h>
  55 #include <linux/platform_data/mmc-pxamci.h>
  56 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  57
  58 #include "generic.h"
  59 #include "devices.h"
  60
  61 /* common GPIO  definitions */
  62
  63 /* inputs */
  64 #define GPIO_ON_OFF             (14)
  65 #define GPIO_VOLENC_A           (19)
  66 #define GPIO_VOLENC_B           (20)
  67 #define GPIO_CHARGE_DONE        (23)
  68 #define GPIO_CHARGE_IND         (27)
  69 #define GPIO_TOUCH_IRQ          (32)
  70 #define GPIO_ETH_IRQ            (40)
  71 #define GPIO_SPI_MISO           (98)
  72 #define GPIO_ACCEL_IRQ          (104)
  73 #define GPIO_RESCUE_BOOT        (115)
  74 #define GPIO_DOCK_DETECT        (116)
  75 #define GPIO_KEY1               (117)
  76 #define GPIO_KEY2               (118)
  77 #define GPIO_KEY3               (119)
  78 #define GPIO_CHARGE_USB_OK      (112)
  79 #define GPIO_CHARGE_DC_OK       (101)
  80 #define GPIO_CHARGE_USB_SUSP    (102)
  81
  82 /* outputs */
  83 #define GPIO_SHUTDOWN_SUPPLY    (16)
  84 #define GPIO_SHUTDOWN_BATT      (18)
  85 #define GPIO_CHRG_PEN2          (31)
  86 #define GPIO_TFT_VA_EN          (33)
  87 #define GPIO_SPDIF_CS           (34)
  88 #define GPIO_LED2               (35)
  89 #define GPIO_LED1               (36)
  90 #define GPIO_SPDIF_RESET        (38)
  91 #define GPIO_SPI_CLK            (95)
  92 #define GPIO_MCLK_DAC_CS        (96)
  93 #define GPIO_SPI_MOSI           (97)
  94 #define GPIO_W1_PULLUP_ENABLE   (105)
  95 #define GPIO_DISPLAY_ENABLE     (106)
  96 #define GPIO_MCLK_RESET         (111)
  97 #define GPIO_W2W_RESET          (113)
  98 #define GPIO_W2W_PDN            (114)
  99 #define GPIO_CODEC_RESET        (120)
 100 #define GPIO_AUDIO_VA_ENABLE    (124)
 101 #define GPIO_ACCEL_CS           (125)
 102 #define GPIO_ONE_WIRE           (126)
 103
 104 /*
 105  * GPIO configurations
 106  */
 107 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
 108         /* UART1 */
 109         GPIO77_UART1_RXD,
 110         GPIO78_UART1_TXD,
 111         GPIO79_UART1_CTS,
 112         GPIO81_UART1_DSR,
 113         GPIO83_UART1_DTR,
 114         GPIO84_UART1_RTS,
 115
 116         /* UART3 */
 117         GPIO110_UART3_RXD,
 118
 119         /* USB Host */
 120         GPIO0_2_USBH_PEN,
 121         GPIO1_2_USBH_PWR,
 122
 123         /* I2C */
 124         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 125         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 126
 127         /* SPI */
 128         GPIO34_GPIO,    /* SPDIF_CS */
 129         GPIO96_GPIO,    /* MCLK_CS */
 130         GPIO125_GPIO,   /* ACCEL_CS */
 131
 132         /* MMC */
 133         GPIO3_MMC1_DAT0,
 134         GPIO4_MMC1_DAT1,
 135         GPIO5_MMC1_DAT2,
 136         GPIO6_MMC1_DAT3,
 137         GPIO7_MMC1_CLK,
 138         GPIO8_MMC1_CMD,
 139
 140         /* One-wire */
 141         GPIO126_GPIO | MFP_LPM_FLOAT,
 142         GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
 143
 144         /* CHRG_USB_OK */
 145         GPIO101_GPIO | MFP_PULL_HIGH,
 146         /* CHRG_USB_OK */
 147         GPIO112_GPIO | MFP_PULL_HIGH,
 148         /* CHRG_USB_SUSP */
 149         GPIO102_GPIO,
 150         /* DISPLAY_ENABLE */
 151         GPIO106_GPIO,
 152         /* DOCK_DETECT */
 153         GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 154
 155         /* LCD */
 156         GPIO54_LCD_LDD_0,
 157         GPIO55_LCD_LDD_1,
 158         GPIO56_LCD_LDD_2,
 159         GPIO57_LCD_LDD_3,
 160         GPIO58_LCD_LDD_4,
 161         GPIO59_LCD_LDD_5,
 162         GPIO60_LCD_LDD_6,
 163         GPIO61_LCD_LDD_7,
 164         GPIO62_LCD_LDD_8,
 165         GPIO63_LCD_LDD_9,
 166         GPIO64_LCD_LDD_10,
 167         GPIO65_LCD_LDD_11,
 168         GPIO66_LCD_LDD_12,
 169         GPIO67_LCD_LDD_13,
 170         GPIO68_LCD_LDD_14,
 171         GPIO69_LCD_LDD_15,
 172         GPIO70_LCD_LDD_16,
 173         GPIO71_LCD_LDD_17,
 174         GPIO72_LCD_FCLK,
 175         GPIO73_LCD_LCLK,
 176         GPIO74_LCD_PCLK,
 177         GPIO75_LCD_BIAS,
 178 };
 179
 180 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
 181         /* UART1 */
 182         GPIO77_UART1_RXD,
 183         GPIO78_UART1_TXD,
 184         GPIO79_UART1_CTS,
 185         GPIO81_UART1_DSR,
 186         GPIO83_UART1_DTR,
 187         GPIO84_UART1_RTS,
 188
 189         /* UART3 */
 190         GPIO110_UART3_RXD,
 191
 192         /* USB Host */
 193         GPIO0_2_USBH_PEN,
 194         GPIO1_2_USBH_PWR,
 195
 196         /* I2C */
 197         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 198         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 199
 200         /* SPI */
 201         GPIO34_GPIO,    /* SPDIF_CS */
 202         GPIO96_GPIO,    /* MCLK_CS */
 203         GPIO125_GPIO,   /* ACCEL_CS */
 204
 205         /* MMC */
 206         GPIO3_MMC1_DAT0,
 207         GPIO4_MMC1_DAT1,
 208         GPIO5_MMC1_DAT2,
 209         GPIO6_MMC1_DAT3,
 210         GPIO7_MMC1_CLK,
 211         GPIO8_MMC1_CMD,
 212
 213         /* Ethernet */
 214         GPIO1_nCS2,                     /* CS */
 215         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 216
 217         /* SSP for I2S */
 218         GPIO85_SSP1_SCLK,
 219         GPIO89_SSP1_EXTCLK,
 220         GPIO86_SSP1_FRM,
 221         GPIO87_SSP1_TXD,
 222         GPIO88_SSP1_RXD,
 223         GPIO90_SSP1_SYSCLK,
 224
 225         /* SSP2 for S/PDIF */
 226         GPIO25_SSP2_SCLK,
 227         GPIO26_SSP2_FRM,
 228         GPIO27_SSP2_TXD,
 229         GPIO29_SSP2_EXTCLK,
 230
 231         /* LEDs */
 232         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 233         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 234 };
 235
 236 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
 237         /* UART1 */
 238         GPIO77_UART1_RXD,
 239         GPIO78_UART1_TXD,
 240         GPIO79_UART1_CTS,
 241         GPIO81_UART1_DSR,
 242         GPIO83_UART1_DTR,
 243         GPIO84_UART1_RTS,
 244
 245         /* UART3 */
 246         GPIO110_UART3_RXD,
 247
 248         /* USB Host */
 249         GPIO0_2_USBH_PEN,
 250         GPIO1_2_USBH_PWR,
 251
 252         /* I2C */
 253         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 254         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 255
 256         /* SPI */
 257         GPIO34_GPIO,    /* SPDIF_CS */
 258         GPIO96_GPIO,    /* MCLK_CS */
 259         GPIO125_GPIO,   /* ACCEL_CS */
 260
 261         /* MMC */
 262         GPIO3_MMC1_DAT0,
 263         GPIO4_MMC1_DAT1,
 264         GPIO5_MMC1_DAT2,
 265         GPIO6_MMC1_DAT3,
 266         GPIO7_MMC1_CLK,
 267         GPIO8_MMC1_CMD,
 268
 269         /* Ethernet */
 270         GPIO1_nCS2,                     /* CS */
 271         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 272
 273         /* SSP for I2S */
 274         GPIO85_SSP1_SCLK,
 275         GPIO89_SSP1_EXTCLK,
 276         GPIO86_SSP1_FRM,
 277         GPIO87_SSP1_TXD,
 278         GPIO88_SSP1_RXD,
 279         GPIO90_SSP1_SYSCLK,
 280
 281         /* LEDs */
 282         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 283         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 284 };
 285
 286 /*
 287  * SMSC LAN9220 Ethernet
 288  */
 289
 290 static struct resource smc91x_resources[] = {
 291         {
 292                 .start  = PXA3xx_CS2_PHYS,
 293                 .end    = PXA3xx_CS2_PHYS + 0xfffff,
 294                 .flags  = IORESOURCE_MEM,
 295         },
 296         {
 297                 .start  = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 298                 .end    = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 299                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
 300         }
 301 };
 302
 303 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
 304         .phy_interface  = PHY_INTERFACE_MODE_MII,
 305         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 306         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 307         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 308 };
 309
 310 static struct platform_device smc91x_device = {
 311         .name           = "smsc911x",
 312         .id             = -1,
 313         .num_resources  = ARRAY_SIZE(smc91x_resources),
 314         .resource       = smc91x_resources,
 315         .dev            = {
 316                 .platform_data = &raumfeld_smsc911x_config,
 317         }
 318 };
 319
 320 /**
 321  * NAND
 322  */
 323
 324 static struct mtd_partition raumfeld_nand_partitions[] = {
 325         {
 326                 .name           = "Bootloader",
 327                 .offset         = 0,
 328                 .size           = 0xa0000,
 329                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 330         },
 331         {
 332                 .name           = "BootloaderEnvironment",
 333                 .offset         = 0xa0000,
 334                 .size           = 0x20000,
 335         },
 336         {
 337                 .name           = "BootloaderSplashScreen",
 338                 .offset         = 0xc0000,
 339                 .size           = 0x60000,
 340         },
 341         {
 342                 .name           = "UBI",
 343                 .offset         = 0x120000,
 344                 .size           = MTDPART_SIZ_FULL,
 345         },
 346 };
 347
 348 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
 349         .keep_config    = 1,
 350         .parts          = raumfeld_nand_partitions,
 351         .nr_parts       = ARRAY_SIZE(raumfeld_nand_partitions),
 352 };
 353
 354 /**
 355  * USB (OHCI) support
 356  */
 357
 358 static struct pxaohci_platform_data raumfeld_ohci_info = {
 359         .port_mode      = PMM_GLOBAL_MODE,
 360         .flags          = ENABLE_PORT1,
 361 };
 362
 363 /**
 364  * Rotary encoder input device
 365  */
 366
 367 static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
 368         .dev_id = "rotary-encoder.0",
 369         .table = {
 370                 GPIO_LOOKUP_IDX("gpio-0",
 371                                 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
 372                 GPIO_LOOKUP_IDX("gpio-0",
 373                                 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
 374                 { },
 375         },
 376 };
 377
 378 static const struct property_entry raumfeld_rotary_properties[] __initconst = {
 379         PROPERTY_ENTRY_U32("rotary-encoder,steps-per-period", 24),
 380         PROPERTY_ENTRY_U32("linux,axis",                      REL_X),
 381         PROPERTY_ENTRY_U32("rotary-encoder,relative_axis",    1),
 382         { },
 383 };
 384
 385 static struct platform_device rotary_encoder_device = {
 386         .name           = "rotary-encoder",
 387         .id             = 0,
 388 };
 389
 390 /**
 391  * GPIO buttons
 392  */
 393
 394 static struct gpio_keys_button gpio_keys_button[] = {
 395         {
 396                 .code                   = KEY_F1,
 397                 .type                   = EV_KEY,
 398                 .gpio                   = GPIO_KEY1,
 399                 .active_low             = 1,
 400                 .wakeup                 = 0,
 401                 .debounce_interval      = 5, /* ms */
 402                 .desc                   = "Button 1",
 403         },
 404         {
 405                 .code                   = KEY_F2,
 406                 .type                   = EV_KEY,
 407                 .gpio                   = GPIO_KEY2,
 408                 .active_low             = 1,
 409                 .wakeup                 = 0,
 410                 .debounce_interval      = 5, /* ms */
 411                 .desc                   = "Button 2",
 412         },
 413         {
 414                 .code                   = KEY_F3,
 415                 .type                   = EV_KEY,
 416                 .gpio                   = GPIO_KEY3,
 417                 .active_low             = 1,
 418                 .wakeup                 = 0,
 419                 .debounce_interval      = 5, /* ms */
 420                 .desc                   = "Button 3",
 421         },
 422         {
 423                 .code                   = KEY_F4,
 424                 .type                   = EV_KEY,
 425                 .gpio                   = GPIO_RESCUE_BOOT,
 426                 .active_low             = 0,
 427                 .wakeup                 = 0,
 428                 .debounce_interval      = 5, /* ms */
 429                 .desc                   = "rescue boot button",
 430         },
 431         {
 432                 .code                   = KEY_F5,
 433                 .type                   = EV_KEY,
 434                 .gpio                   = GPIO_DOCK_DETECT,
 435                 .active_low             = 1,
 436                 .wakeup                 = 0,
 437                 .debounce_interval      = 5, /* ms */
 438                 .desc                   = "dock detect",
 439         },
 440         {
 441                 .code                   = KEY_F6,
 442                 .type                   = EV_KEY,
 443                 .gpio                   = GPIO_ON_OFF,
 444                 .active_low             = 0,
 445                 .wakeup                 = 0,
 446                 .debounce_interval      = 5, /* ms */
 447                 .desc                   = "on_off button",
 448         },
 449 };
 450
 451 static struct gpio_keys_platform_data gpio_keys_platform_data = {
 452         .buttons        = gpio_keys_button,
 453         .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 454         .rep            = 0,
 455 };
 456
 457 static struct platform_device raumfeld_gpio_keys_device = {
 458         .name   = "gpio-keys",
 459         .id     = -1,
 460         .dev    = {
 461                 .platform_data  = &gpio_keys_platform_data,
 462         }
 463 };
 464
 465 /**
 466  * GPIO LEDs
 467  */
 468
 469 static struct gpio_led raumfeld_leds[] = {
 470         {
 471                 .name           = "raumfeld:1",
 472                 .gpio           = GPIO_LED1,
 473                 .active_low     = 1,
 474                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 475         },
 476         {
 477                 .name           = "raumfeld:2",
 478                 .gpio           = GPIO_LED2,
 479                 .active_low     = 0,
 480                 .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 481         }
 482 };
 483
 484 static struct gpio_led_platform_data raumfeld_led_platform_data = {
 485         .leds           = raumfeld_leds,
 486         .num_leds       = ARRAY_SIZE(raumfeld_leds),
 487 };
 488
 489 static struct platform_device raumfeld_led_device = {
 490         .name   = "leds-gpio",
 491         .id     = -1,
 492         .dev    = {
 493                 .platform_data = &raumfeld_led_platform_data,
 494         },
 495 };
 496
 497 /**
 498  * One-wire (W1 bus) support
 499  */
 500
 501 static void w1_enable_external_pullup(int enable)
 502 {
 503         gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 504         msleep(100);
 505 }
 506
 507 static struct gpiod_lookup_table raumfeld_w1_gpiod_table = {
 508         .dev_id = "w1-gpio",
 509         .table = {
 510                 GPIO_LOOKUP_IDX("gpio-pxa", GPIO_ONE_WIRE, NULL, 0,
 511                                 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 512         },
 513 };
 514
 515 static struct w1_gpio_platform_data w1_gpio_platform_data = {
 516         .enable_external_pullup = w1_enable_external_pullup,
 517 };
 518
 519 static struct platform_device raumfeld_w1_gpio_device = {
 520         .name   = "w1-gpio",
 521         .dev    = {
 522                 .platform_data = &w1_gpio_platform_data
 523         }
 524 };
 525
 526 static void __init raumfeld_w1_init(void)
 527 {
 528         int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 529                                 "W1 external pullup enable");
 530
 531         if (ret < 0)
 532                 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 533         else
 534                 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 535
 536         gpiod_add_lookup_table(&raumfeld_w1_gpiod_table);
 537         platform_device_register(&raumfeld_w1_gpio_device);
 538 }
 539
 540 /**
 541  * Framebuffer device
 542  */
 543
 544 static struct pwm_lookup raumfeld_pwm_lookup[] = {
 545         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
 546                    PWM_POLARITY_NORMAL),
 547 };
 548
 549 /* PWM controlled backlight */
 550 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 551         .max_brightness = 100,
 552         .dft_brightness = 100,
 553         .enable_gpio    = -1,
 554 };
 555
 556 static struct platform_device raumfeld_pwm_backlight_device = {
 557         .name   = "pwm-backlight",
 558         .dev    = {
 559                 .parent         = &pxa27x_device_pwm0.dev,
 560                 .platform_data  = &raumfeld_pwm_backlight_data,
 561         }
 562 };
 563
 564 /* LT3593 controlled backlight */
 565 static struct gpio_led raumfeld_lt3593_led = {
 566         .name           = "backlight",
 567         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 568         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 569 };
 570
 571 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 572         .leds           = &raumfeld_lt3593_led,
 573         .num_leds       = 1,
 574 };
 575
 576 static struct platform_device raumfeld_lt3593_device = {
 577         .name   = "leds-lt3593",
 578         .id     = -1,
 579         .dev    = {
 580                 .platform_data = &raumfeld_lt3593_platform_data,
 581         },
 582 };
 583
 584 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 585         .pixclock       = 111000,
 586         .xres           = 480,
 587         .yres           = 272,
 588         .bpp            = 16,
 589         .hsync_len      = 41,
 590         .left_margin    = 2,
 591         .right_margin   = 1,
 592         .vsync_len      = 10,
 593         .upper_margin   = 3,
 594         .lower_margin   = 1,
 595         .sync           = 0,
 596 };
 597
 598 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 599         .modes          = &sharp_lq043t3dx02_mode,
 600         .num_modes      = 1,
 601         .video_mem_size = 0x400000,
 602         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 603 #ifdef CONFIG_PXA3XX_GCU
 604         .acceleration_enabled = 1,
 605 #endif
 606 };
 607
 608 static void __init raumfeld_lcd_init(void)
 609 {
 610         int ret;
 611
 612         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 613         if (ret < 0)
 614                 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
 615         else
 616                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 617
 618         msleep(100);
 619
 620         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 621         if (ret < 0)
 622                 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
 623         else
 624                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 625
 626         /* Hardware revision 2 has the backlight regulator controlled
 627          * by an LT3593, earlier and later devices use PWM for that. */
 628         if ((system_rev & 0xff) == 2) {
 629                 platform_device_register(&raumfeld_lt3593_device);
 630         } else {
 631                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 632                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 633                 pwm_add_table(raumfeld_pwm_lookup,
 634                               ARRAY_SIZE(raumfeld_pwm_lookup));
 635                 platform_device_register(&raumfeld_pwm_backlight_device);
 636         }
 637
 638         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 639         platform_device_register(&pxa3xx_device_gcu);
 640 }
 641
 642 /**
 643  * SPI devices
 644  */
 645
 646 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 647         .num_chipselect = 3,
 648 };
 649
 650 static struct platform_device raumfeld_spi_device = {
 651         .name   = "spi_gpio",
 652         .id     = 0,
 653         .dev    = {
 654                 .platform_data  = &raumfeld_spi_platform_data,
 655         }
 656 };
 657
 658 static struct gpiod_lookup_table raumfeld_spi_gpiod_table = {
 659         .dev_id         = "spi_gpio",
 660         .table          = {
 661                 GPIO_LOOKUP("gpio-0", GPIO_SPI_CLK,
 662                             "sck", GPIO_ACTIVE_HIGH),
 663                 GPIO_LOOKUP("gpio-0", GPIO_SPI_MOSI,
 664                             "mosi", GPIO_ACTIVE_HIGH),
 665                 GPIO_LOOKUP("gpio-0", GPIO_SPI_MISO,
 666                             "miso", GPIO_ACTIVE_HIGH),
 667                 GPIO_LOOKUP_IDX("gpio-0", GPIO_SPDIF_CS,
 668                                 "cs", 0, GPIO_ACTIVE_HIGH),
 669                 GPIO_LOOKUP_IDX("gpio-0", GPIO_ACCEL_CS,
 670                                 "cs", 1, GPIO_ACTIVE_HIGH),
 671                 GPIO_LOOKUP_IDX("gpio-0", GPIO_MCLK_DAC_CS,
 672                                 "cs", 2, GPIO_ACTIVE_HIGH),
 673                 { },
 674         },
 675 };
 676
 677 static struct lis3lv02d_platform_data lis3_pdata = {
 678         .click_flags    = LIS3_CLICK_SINGLE_X |
 679                           LIS3_CLICK_SINGLE_Y |
 680                           LIS3_CLICK_SINGLE_Z,
 681         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 682         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 683                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 684                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 685         .wakeup_thresh  = 10,
 686         .click_thresh_x = 10,
 687         .click_thresh_y = 10,
 688         .click_thresh_z = 10,
 689 };
 690
 691 #define SPI_AK4104      \
 692 {                       \
 693         .modalias       = "ak4104-codec",       \
 694         .max_speed_hz   = 10000,                \
 695         .bus_num        = 0,                    \
 696         .chip_select    = 0,                    \
 697 }
 698
 699 #define SPI_LIS3        \
 700 {                       \
 701         .modalias       = "lis3lv02d_spi",      \
 702         .max_speed_hz   = 1000000,              \
 703         .bus_num        = 0,                    \
 704         .chip_select    = 1,                    \
 705         .platform_data  = &lis3_pdata,          \
 706         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 707 }
 708
 709 #define SPI_DAC7512     \
 710 {       \
 711         .modalias       = "dac7512",            \
 712         .max_speed_hz   = 1000000,              \
 713         .bus_num        = 0,                    \
 714         .chip_select    = 2,                    \
 715 }
 716
 717 static struct spi_board_info connector_spi_devices[] __initdata = {
 718         SPI_AK4104,
 719         SPI_DAC7512,
 720 };
 721
 722 static struct spi_board_info speaker_spi_devices[] __initdata = {
 723         SPI_DAC7512,
 724 };
 725
 726 static struct spi_board_info controller_spi_devices[] __initdata = {
 727         SPI_LIS3,
 728 };
 729
 730 /**
 731  * MMC for Marvell Libertas 8688 via SDIO
 732  */
 733
 734 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 735 {
 736         gpio_set_value(GPIO_W2W_RESET, 1);
 737         gpio_set_value(GPIO_W2W_PDN, 1);
 738
 739         return 0;
 740 }
 741
 742 static void raumfeld_mci_exit(struct device *dev, void *data)
 743 {
 744         gpio_set_value(GPIO_W2W_RESET, 0);
 745         gpio_set_value(GPIO_W2W_PDN, 0);
 746 }
 747
 748 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 749         .init                   = raumfeld_mci_init,
 750         .exit                   = raumfeld_mci_exit,
 751         .detect_delay_ms        = 200,
 752         .gpio_card_detect       = -1,
 753         .gpio_card_ro           = -1,
 754         .gpio_power             = -1,
 755 };
 756
 757 /*
 758  * External power / charge logic
 759  */
 760
 761 static int power_supply_init(struct device *dev)
 762 {
 763         return 0;
 764 }
 765
 766 static void power_supply_exit(struct device *dev)
 767 {
 768 }
 769
 770 static int raumfeld_is_ac_online(void)
 771 {
 772         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 773 }
 774
 775 static int raumfeld_is_usb_online(void)
 776 {
 777         return 0;
 778 }
 779
 780 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 781
 782 static void raumfeld_power_signal_charged(void)
 783 {
 784         struct power_supply *psy =
 785                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
 786
 787         if (psy) {
 788                 power_supply_set_battery_charged(psy);
 789                 power_supply_put(psy);
 790         }
 791 }
 792
 793 static int raumfeld_power_resume(void)
 794 {
 795         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 796         if (!gpio_get_value(GPIO_CHARGE_DONE))
 797                 raumfeld_power_signal_charged();
 798
 799         return 0;
 800 }
 801
 802 static struct pda_power_pdata power_supply_info = {
 803         .init                   = power_supply_init,
 804         .is_ac_online           = raumfeld_is_ac_online,
 805         .is_usb_online          = raumfeld_is_usb_online,
 806         .exit                   = power_supply_exit,
 807         .supplied_to            = raumfeld_power_supplicants,
 808         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 809         .resume                 = raumfeld_power_resume,
 810 };
 811
 812 static struct resource power_supply_resources[] = {
 813         {
 814                 .name  = "ac",
 815                 .flags = IORESOURCE_IRQ |
 816                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 817                 .start = GPIO_CHARGE_DC_OK,
 818                 .end   = GPIO_CHARGE_DC_OK,
 819         },
 820 };
 821
 822 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 823 {
 824         raumfeld_power_signal_charged();
 825         return IRQ_HANDLED;
 826 }
 827
 828 static struct platform_device raumfeld_power_supply = {
 829         .name = "pda-power",
 830         .id   = -1,
 831         .dev  = {
 832                 .platform_data = &power_supply_info,
 833         },
 834         .resource      = power_supply_resources,
 835         .num_resources = ARRAY_SIZE(power_supply_resources),
 836 };
 837
 838 static void __init raumfeld_power_init(void)
 839 {
 840         int ret;
 841
 842         /* Set PEN2 high to enable maximum charge current */
 843         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 844         if (ret < 0)
 845                 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
 846         else
 847                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 848
 849         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 850         if (ret < 0)
 851                 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
 852
 853         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 854         if (ret < 0)
 855                 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
 856         else
 857                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 858
 859         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 860         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 861
 862         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 863                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 864                         "charge_done", NULL);
 865
 866         if (ret < 0)
 867                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 868                         GPIO_CHARGE_DONE);
 869         else
 870                 platform_device_register(&raumfeld_power_supply);
 871 }
 872
 873 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 874
 875 static struct regulator_consumer_supply audio_va_consumer_supply =
 876         REGULATOR_SUPPLY("va", "0-0048");
 877
 878 static struct regulator_init_data audio_va_initdata = {
 879         .consumer_supplies = &audio_va_consumer_supply,
 880         .num_consumer_supplies = 1,
 881         .constraints = {
 882                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 883         },
 884 };
 885
 886 static struct fixed_voltage_config audio_va_config = {
 887         .supply_name            = "audio_va",
 888         .microvolts             = 5000000,
 889         .enable_high            = 1,
 890         .enabled_at_boot        = 0,
 891         .init_data              = &audio_va_initdata,
 892 };
 893
 894 static struct platform_device audio_va_device = {
 895         .name   = "reg-fixed-voltage",
 896         .id     = 0,
 897         .dev    = {
 898                 .platform_data = &audio_va_config,
 899         },
 900 };
 901
 902 static struct gpiod_lookup_table audio_va_gpiod_table = {
 903         .dev_id = "reg-fixed-voltage.0",
 904         .table = {
 905                 GPIO_LOOKUP("gpio-pxa", GPIO_AUDIO_VA_ENABLE,
 906                             NULL, GPIO_ACTIVE_HIGH),
 907                 { },
 908         },
 909 };
 910
 911 /* Dummy supplies for Codec's VD/VLC */
 912
 913 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 914         REGULATOR_SUPPLY("vd", "0-0048"),
 915         REGULATOR_SUPPLY("vlc", "0-0048"),
 916 };
 917
 918 static struct regulator_init_data audio_dummy_initdata = {
 919         .consumer_supplies = audio_dummy_supplies,
 920         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 921         .constraints = {
 922                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 923         },
 924 };
 925
 926 static struct fixed_voltage_config audio_dummy_config = {
 927         .supply_name            = "audio_vd",
 928         .microvolts             = 3300000,
 929         .init_data              = &audio_dummy_initdata,
 930 };
 931
 932 static struct platform_device audio_supply_dummy_device = {
 933         .name   = "reg-fixed-voltage",
 934         .id     = 1,
 935         .dev    = {
 936                 .platform_data = &audio_dummy_config,
 937         },
 938 };
 939
 940 static struct platform_device *audio_regulator_devices[] = {
 941         &audio_va_device,
 942         &audio_supply_dummy_device,
 943 };
 944
 945 /**
 946  * Regulator support via MAX8660
 947  */
 948
 949 static struct regulator_consumer_supply vcc_mmc_supply =
 950         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 951
 952 static struct regulator_init_data vcc_mmc_init_data = {
 953         .constraints = {
 954                 .min_uV                 = 3300000,
 955                 .max_uV                 = 3300000,
 956                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 957                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 958                                           REGULATOR_CHANGE_VOLTAGE |
 959                                           REGULATOR_CHANGE_MODE,
 960         },
 961         .consumer_supplies = &vcc_mmc_supply,
 962         .num_consumer_supplies = 1,
 963 };
 964
 965 static struct max8660_subdev_data max8660_v6_subdev_data = {
 966         .id             = MAX8660_V6,
 967         .name           = "vmmc",
 968         .platform_data  = &vcc_mmc_init_data,
 969 };
 970
 971 static struct max8660_platform_data max8660_pdata = {
 972         .subdevs = &max8660_v6_subdev_data,
 973         .num_subdevs = 1,
 974 };
 975
 976 /**
 977  * I2C devices
 978  */
 979
 980 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 981         .type           = "max8660",
 982         .addr           = 0x34,
 983         .platform_data  = &max8660_pdata,
 984 };
 985
 986 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 987         .type   = "cs4270",
 988         .addr   = 0x48,
 989 };
 990
 991 static struct gpiod_lookup_table raumfeld_controller_gpios_table = {
 992         .dev_id = "0-000a",
 993         .table = {
 994                 GPIO_LOOKUP("gpio-pxa",
 995                             GPIO_TOUCH_IRQ, "attn", GPIO_ACTIVE_HIGH),
 996                 { },
 997         },
 998 };
 999
1000 static const struct resource raumfeld_controller_resources[] __initconst = {
1001         {
1002                 .start  = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
1003                 .end    = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
1004                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
1005         },
1006 };
1007
1008 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
1009         .type   = "eeti_ts",
1010         .addr   = 0x0a,
1011         .resources = raumfeld_controller_resources,
1012         .num_resources = ARRAY_SIZE(raumfeld_controller_resources),
1013 };
1014
1015 static struct platform_device *raumfeld_common_devices[] = {
1016         &raumfeld_gpio_keys_device,
1017         &raumfeld_led_device,
1018         &raumfeld_spi_device,
1019 };
1020
1021 static void __init raumfeld_audio_init(void)
1022 {
1023         int ret;
1024
1025         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
1026         if (ret < 0)
1027                 pr_warn("unable to request GPIO_CODEC_RESET\n");
1028         else
1029                 gpio_direction_output(GPIO_CODEC_RESET, 1);
1030
1031         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1032         if (ret < 0)
1033                 pr_warn("unable to request GPIO_SPDIF_RESET\n");
1034         else
1035                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1036
1037         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1038         if (ret < 0)
1039                 pr_warn("unable to request GPIO_MCLK_RESET\n");
1040         else
1041                 gpio_direction_output(GPIO_MCLK_RESET, 1);
1042
1043         gpiod_add_lookup_table(&audio_va_gpiod_table);
1044         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1045 }
1046
1047 static void __init raumfeld_common_init(void)
1048 {
1049         int ret;
1050
1051         /* The on/off button polarity has changed after revision 1 */
1052         if ((system_rev & 0xff) > 1) {
1053                 int i;
1054
1055                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1056                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1057                                 gpio_keys_button[i].active_low = 1;
1058         }
1059
1060         enable_irq_wake(IRQ_WAKEUP0);
1061
1062         pxa3xx_set_nand_info(&raumfeld_nand_info);
1063         pxa3xx_set_i2c_power_info(NULL);
1064         pxa_set_ohci_info(&raumfeld_ohci_info);
1065         pxa_set_mci_info(&raumfeld_mci_platform_data);
1066         pxa_set_i2c_info(NULL);
1067         pxa_set_ffuart_info(NULL);
1068
1069         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1070         if (ret < 0)
1071                 pr_warn("Unable to request GPIO_W2W_RESET\n");
1072         else
1073                 gpio_direction_output(GPIO_W2W_RESET, 0);
1074
1075         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1076         if (ret < 0)
1077                 pr_warn("Unable to request GPIO_W2W_PDN\n");
1078         else
1079                 gpio_direction_output(GPIO_W2W_PDN, 0);
1080
1081         /* this can be used to switch off the device */
1082         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1083         if (ret < 0)
1084                 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1085         else
1086                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1087
1088         gpiod_add_lookup_table(&raumfeld_spi_gpiod_table);
1089         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1090         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1091 }
1092
1093 static void __init __maybe_unused raumfeld_controller_init(void)
1094 {
1095         int ret;
1096
1097         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1098
1099         gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1100         device_add_properties(&rotary_encoder_device.dev,
1101                               raumfeld_rotary_properties);
1102         platform_device_register(&rotary_encoder_device);
1103
1104         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1105
1106         gpiod_add_lookup_table(&raumfeld_controller_gpios_table);
1107         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1108
1109         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1110         if (ret < 0)
1111                 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1112         else
1113                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1114
1115         raumfeld_common_init();
1116         raumfeld_power_init();
1117         raumfeld_lcd_init();
1118         raumfeld_w1_init();
1119 }
1120
1121 static void __init __maybe_unused raumfeld_connector_init(void)
1122 {
1123         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1124         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1125         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1126
1127         platform_device_register(&smc91x_device);
1128
1129         raumfeld_audio_init();
1130         raumfeld_common_init();
1131 }
1132
1133 static void __init __maybe_unused raumfeld_speaker_init(void)
1134 {
1135         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1136         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1137         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1138
1139         platform_device_register(&smc91x_device);
1140
1141         gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1142         device_add_properties(&rotary_encoder_device.dev,
1143                               raumfeld_rotary_properties);
1144         platform_device_register(&rotary_encoder_device);
1145
1146         raumfeld_audio_init();
1147         raumfeld_common_init();
1148 }
1149
1150 /* physical memory regions */
1151 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1152
1153 #ifdef CONFIG_MACH_RAUMFELD_RC
1154 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1155         .atag_offset    = 0x100,
1156         .init_machine   = raumfeld_controller_init,
1157         .map_io         = pxa3xx_map_io,
1158         .nr_irqs        = PXA_NR_IRQS,
1159         .init_irq       = pxa3xx_init_irq,
1160         .handle_irq     = pxa3xx_handle_irq,
1161         .init_time      = pxa_timer_init,
1162         .restart        = pxa_restart,
1163 MACHINE_END
1164 #endif
1165
1166 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1167 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1168         .atag_offset    = 0x100,
1169         .init_machine   = raumfeld_connector_init,
1170         .map_io         = pxa3xx_map_io,
1171         .nr_irqs        = PXA_NR_IRQS,
1172         .init_irq       = pxa3xx_init_irq,
1173         .handle_irq     = pxa3xx_handle_irq,
1174         .init_time      = pxa_timer_init,
1175         .restart        = pxa_restart,
1176 MACHINE_END
1177 #endif
1178
1179 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1180 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1181         .atag_offset    = 0x100,
1182         .init_machine   = raumfeld_speaker_init,
1183         .map_io         = pxa3xx_map_io,
1184         .nr_irqs        = PXA_NR_IRQS,
1185         .init_irq       = pxa3xx_init_irq,
1186         .handle_irq     = pxa3xx_handle_irq,
1187         .init_time      = pxa_timer_init,
1188         .restart        = pxa_restart,
1189 MACHINE_END
1190 #endif