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/sysdev.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/gpio.h>
  25 #include <linux/smsc911x.h>
  26 #include <linux/input.h>
  27 #include <linux/rotary_encoder.h>
  28 #include <linux/gpio_keys.h>
  29 #include <linux/input/eeti_ts.h>
  30 #include <linux/leds.h>
  31 #include <linux/w1-gpio.h>
  32 #include <linux/sched.h>
  33 #include <linux/pwm_backlight.h>
  34 #include <linux/i2c.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/spi_gpio.h>
  37 #include <linux/lis3lv02d.h>
  38 #include <linux/pda_power.h>
  39 #include <linux/power_supply.h>
  40 #include <linux/regulator/max8660.h>
  41 #include <linux/regulator/machine.h>
  42 #include <linux/regulator/fixed.h>
  43 #include <linux/regulator/consumer.h>
  44 #include <linux/delay.h>
  45
  46 #include <asm/mach-types.h>
  47 #include <asm/mach/arch.h>
  48
  49 #include <mach/hardware.h>
  50 #include <mach/pxa3xx-regs.h>
  51 #include <mach/mfp-pxa3xx.h>
  52 #include <mach/mfp-pxa300.h>
  53 #include <mach/ohci.h>
  54 #include <mach/pxafb.h>
  55 #include <mach/mmc.h>
  56 #include <plat/i2c.h>
  57 #include <plat/pxa3xx_nand.h>
  58
  59 #include "generic.h"
  60 #include "devices.h"
  61 #include "clock.h"
  62
  63 /* common GPIO  definitions */
  64
  65 /* inputs */
  66 #define GPIO_ON_OFF             (14)
  67 #define GPIO_VOLENC_A           (19)
  68 #define GPIO_VOLENC_B           (20)
  69 #define GPIO_CHARGE_DONE        (23)
  70 #define GPIO_CHARGE_IND         (27)
  71 #define GPIO_TOUCH_IRQ          (32)
  72 #define GPIO_ETH_IRQ            (40)
  73 #define GPIO_SPI_MISO           (98)
  74 #define GPIO_ACCEL_IRQ          (104)
  75 #define GPIO_RESCUE_BOOT        (115)
  76 #define GPIO_DOCK_DETECT        (116)
  77 #define GPIO_KEY1               (117)
  78 #define GPIO_KEY2               (118)
  79 #define GPIO_KEY3               (119)
  80 #define GPIO_CHARGE_USB_OK      (112)
  81 #define GPIO_CHARGE_DC_OK       (101)
  82 #define GPIO_CHARGE_USB_SUSP    (102)
  83
  84 /* outputs */
  85 #define GPIO_SHUTDOWN_SUPPLY    (16)
  86 #define GPIO_SHUTDOWN_BATT      (18)
  87 #define GPIO_CHRG_PEN2          (31)
  88 #define GPIO_TFT_VA_EN          (33)
  89 #define GPIO_SPDIF_CS           (34)
  90 #define GPIO_LED2               (35)
  91 #define GPIO_LED1               (36)
  92 #define GPIO_SPDIF_RESET        (38)
  93 #define GPIO_SPI_CLK            (95)
  94 #define GPIO_MCLK_DAC_CS        (96)
  95 #define GPIO_SPI_MOSI           (97)
  96 #define GPIO_W1_PULLUP_ENABLE   (105)
  97 #define GPIO_DISPLAY_ENABLE     (106)
  98 #define GPIO_MCLK_RESET         (111)
  99 #define GPIO_W2W_RESET          (113)
 100 #define GPIO_W2W_PDN            (114)
 101 #define GPIO_CODEC_RESET        (120)
 102 #define GPIO_AUDIO_VA_ENABLE    (124)
 103 #define GPIO_ACCEL_CS           (125)
 104 #define GPIO_ONE_WIRE           (126)
 105
 106 /*
 107  * GPIO configurations
 108  */
 109 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
 110         /* UART1 */
 111         GPIO77_UART1_RXD,
 112         GPIO78_UART1_TXD,
 113         GPIO79_UART1_CTS,
 114         GPIO81_UART1_DSR,
 115         GPIO83_UART1_DTR,
 116         GPIO84_UART1_RTS,
 117
 118         /* UART3 */
 119         GPIO110_UART3_RXD,
 120
 121         /* USB Host */
 122         GPIO0_2_USBH_PEN,
 123         GPIO1_2_USBH_PWR,
 124
 125         /* I2C */
 126         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 127         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 128
 129         /* SPI */
 130         GPIO34_GPIO,    /* SPDIF_CS */
 131         GPIO96_GPIO,    /* MCLK_CS */
 132         GPIO125_GPIO,   /* ACCEL_CS */
 133
 134         /* MMC */
 135         GPIO3_MMC1_DAT0,
 136         GPIO4_MMC1_DAT1,
 137         GPIO5_MMC1_DAT2,
 138         GPIO6_MMC1_DAT3,
 139         GPIO7_MMC1_CLK,
 140         GPIO8_MMC1_CMD,
 141
 142         /* One-wire */
 143         GPIO126_GPIO | MFP_LPM_FLOAT,
 144         GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
 145
 146         /* CHRG_USB_OK */
 147         GPIO101_GPIO | MFP_PULL_HIGH,
 148         /* CHRG_USB_OK */
 149         GPIO112_GPIO | MFP_PULL_HIGH,
 150         /* CHRG_USB_SUSP */
 151         GPIO102_GPIO,
 152         /* DISPLAY_ENABLE */
 153         GPIO106_GPIO,
 154         /* DOCK_DETECT */
 155         GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 156
 157         /* LCD */
 158         GPIO54_LCD_LDD_0,
 159         GPIO55_LCD_LDD_1,
 160         GPIO56_LCD_LDD_2,
 161         GPIO57_LCD_LDD_3,
 162         GPIO58_LCD_LDD_4,
 163         GPIO59_LCD_LDD_5,
 164         GPIO60_LCD_LDD_6,
 165         GPIO61_LCD_LDD_7,
 166         GPIO62_LCD_LDD_8,
 167         GPIO63_LCD_LDD_9,
 168         GPIO64_LCD_LDD_10,
 169         GPIO65_LCD_LDD_11,
 170         GPIO66_LCD_LDD_12,
 171         GPIO67_LCD_LDD_13,
 172         GPIO68_LCD_LDD_14,
 173         GPIO69_LCD_LDD_15,
 174         GPIO70_LCD_LDD_16,
 175         GPIO71_LCD_LDD_17,
 176         GPIO72_LCD_FCLK,
 177         GPIO73_LCD_LCLK,
 178         GPIO74_LCD_PCLK,
 179         GPIO75_LCD_BIAS,
 180 };
 181
 182 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
 183         /* UART1 */
 184         GPIO77_UART1_RXD,
 185         GPIO78_UART1_TXD,
 186         GPIO79_UART1_CTS,
 187         GPIO81_UART1_DSR,
 188         GPIO83_UART1_DTR,
 189         GPIO84_UART1_RTS,
 190
 191         /* UART3 */
 192         GPIO110_UART3_RXD,
 193
 194         /* USB Host */
 195         GPIO0_2_USBH_PEN,
 196         GPIO1_2_USBH_PWR,
 197
 198         /* I2C */
 199         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 200         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 201
 202         /* SPI */
 203         GPIO34_GPIO,    /* SPDIF_CS */
 204         GPIO96_GPIO,    /* MCLK_CS */
 205         GPIO125_GPIO,   /* ACCEL_CS */
 206
 207         /* MMC */
 208         GPIO3_MMC1_DAT0,
 209         GPIO4_MMC1_DAT1,
 210         GPIO5_MMC1_DAT2,
 211         GPIO6_MMC1_DAT3,
 212         GPIO7_MMC1_CLK,
 213         GPIO8_MMC1_CMD,
 214
 215         /* Ethernet */
 216         GPIO1_nCS2,                     /* CS */
 217         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 218
 219         /* SSP for I2S */
 220         GPIO85_SSP1_SCLK,
 221         GPIO89_SSP1_EXTCLK,
 222         GPIO86_SSP1_FRM,
 223         GPIO87_SSP1_TXD,
 224         GPIO88_SSP1_RXD,
 225         GPIO90_SSP1_SYSCLK,
 226
 227         /* SSP2 for S/PDIF */
 228         GPIO25_SSP2_SCLK,
 229         GPIO26_SSP2_FRM,
 230         GPIO27_SSP2_TXD,
 231         GPIO29_SSP2_EXTCLK,
 232
 233         /* LEDs */
 234         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 235         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 236 };
 237
 238 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
 239         /* UART1 */
 240         GPIO77_UART1_RXD,
 241         GPIO78_UART1_TXD,
 242         GPIO79_UART1_CTS,
 243         GPIO81_UART1_DSR,
 244         GPIO83_UART1_DTR,
 245         GPIO84_UART1_RTS,
 246
 247         /* UART3 */
 248         GPIO110_UART3_RXD,
 249
 250         /* USB Host */
 251         GPIO0_2_USBH_PEN,
 252         GPIO1_2_USBH_PWR,
 253
 254         /* I2C */
 255         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 256         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 257
 258         /* SPI */
 259         GPIO34_GPIO,    /* SPDIF_CS */
 260         GPIO96_GPIO,    /* MCLK_CS */
 261         GPIO125_GPIO,   /* ACCEL_CS */
 262
 263         /* MMC */
 264         GPIO3_MMC1_DAT0,
 265         GPIO4_MMC1_DAT1,
 266         GPIO5_MMC1_DAT2,
 267         GPIO6_MMC1_DAT3,
 268         GPIO7_MMC1_CLK,
 269         GPIO8_MMC1_CMD,
 270
 271         /* Ethernet */
 272         GPIO1_nCS2,                     /* CS */
 273         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 274
 275         /* SSP for I2S */
 276         GPIO85_SSP1_SCLK,
 277         GPIO89_SSP1_EXTCLK,
 278         GPIO86_SSP1_FRM,
 279         GPIO87_SSP1_TXD,
 280         GPIO88_SSP1_RXD,
 281         GPIO90_SSP1_SYSCLK,
 282
 283         /* LEDs */
 284         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 285         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 286 };
 287
 288 /*
 289  * SMSC LAN9220 Ethernet
 290  */
 291
 292 static struct resource smc91x_resources[] = {
 293         {
 294                 .start  = PXA3xx_CS2_PHYS,
 295                 .end    = PXA3xx_CS2_PHYS + 0xfffff,
 296                 .flags  = IORESOURCE_MEM,
 297         },
 298         {
 299                 .start  = gpio_to_irq(GPIO_ETH_IRQ),
 300                 .end    = gpio_to_irq(GPIO_ETH_IRQ),
 301                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
 302         }
 303 };
 304
 305 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
 306         .phy_interface  = PHY_INTERFACE_MODE_MII,
 307         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 308         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 309         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 310 };
 311
 312 static struct platform_device smc91x_device = {
 313         .name           = "smsc911x",
 314         .id             = -1,
 315         .num_resources  = ARRAY_SIZE(smc91x_resources),
 316         .resource       = smc91x_resources,
 317         .dev            = {
 318                 .platform_data = &raumfeld_smsc911x_config,
 319         }
 320 };
 321
 322 /**
 323  * NAND
 324  */
 325
 326 static struct mtd_partition raumfeld_nand_partitions[] = {
 327         {
 328                 .name           = "Bootloader",
 329                 .offset         = 0,
 330                 .size           = 0xa0000,
 331                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 332         },
 333         {
 334                 .name           = "BootloaderEnvironment",
 335                 .offset         = 0xa0000,
 336                 .size           = 0x20000,
 337         },
 338         {
 339                 .name           = "BootloaderSplashScreen",
 340                 .offset         = 0xc0000,
 341                 .size           = 0x60000,
 342         },
 343         {
 344                 .name           = "UBI",
 345                 .offset         = 0x120000,
 346                 .size           = MTDPART_SIZ_FULL,
 347         },
 348 };
 349
 350 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
 351         .enable_arbiter = 1,
 352         .keep_config    = 1,
 353         .parts          = raumfeld_nand_partitions,
 354         .nr_parts       = ARRAY_SIZE(raumfeld_nand_partitions),
 355 };
 356
 357 /**
 358  * USB (OHCI) support
 359  */
 360
 361 static struct pxaohci_platform_data raumfeld_ohci_info = {
 362         .port_mode      = PMM_GLOBAL_MODE,
 363         .flags          = ENABLE_PORT1,
 364 };
 365
 366 /**
 367  * Rotary encoder input device
 368  */
 369
 370 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
 371         .steps          = 24,
 372         .axis           = REL_X,
 373         .relative_axis  = 1,
 374         .gpio_a         = GPIO_VOLENC_A,
 375         .gpio_b         = GPIO_VOLENC_B,
 376         .inverted_a     = 1,
 377         .inverted_b     = 0,
 378 };
 379
 380 static struct platform_device rotary_encoder_device = {
 381         .name           = "rotary-encoder",
 382         .id             = 0,
 383         .dev            = {
 384                 .platform_data = &raumfeld_rotary_encoder_info,
 385         }
 386 };
 387
 388 /**
 389  * GPIO buttons
 390  */
 391
 392 static struct gpio_keys_button gpio_keys_button[] = {
 393         {
 394                 .code                   = KEY_F1,
 395                 .type                   = EV_KEY,
 396                 .gpio                   = GPIO_KEY1,
 397                 .active_low             = 1,
 398                 .wakeup                 = 0,
 399                 .debounce_interval      = 5, /* ms */
 400                 .desc                   = "Button 1",
 401         },
 402         {
 403                 .code                   = KEY_F2,
 404                 .type                   = EV_KEY,
 405                 .gpio                   = GPIO_KEY2,
 406                 .active_low             = 1,
 407                 .wakeup                 = 0,
 408                 .debounce_interval      = 5, /* ms */
 409                 .desc                   = "Button 2",
 410         },
 411         {
 412                 .code                   = KEY_F3,
 413                 .type                   = EV_KEY,
 414                 .gpio                   = GPIO_KEY3,
 415                 .active_low             = 1,
 416                 .wakeup                 = 0,
 417                 .debounce_interval      = 5, /* ms */
 418                 .desc                   = "Button 3",
 419         },
 420         {
 421                 .code                   = KEY_F4,
 422                 .type                   = EV_KEY,
 423                 .gpio                   = GPIO_RESCUE_BOOT,
 424                 .active_low             = 0,
 425                 .wakeup                 = 0,
 426                 .debounce_interval      = 5, /* ms */
 427                 .desc                   = "rescue boot button",
 428         },
 429         {
 430                 .code                   = KEY_F5,
 431                 .type                   = EV_KEY,
 432                 .gpio                   = GPIO_DOCK_DETECT,
 433                 .active_low             = 1,
 434                 .wakeup                 = 0,
 435                 .debounce_interval      = 5, /* ms */
 436                 .desc                   = "dock detect",
 437         },
 438         {
 439                 .code                   = KEY_F6,
 440                 .type                   = EV_KEY,
 441                 .gpio                   = GPIO_ON_OFF,
 442                 .active_low             = 0,
 443                 .wakeup                 = 0,
 444                 .debounce_interval      = 5, /* ms */
 445                 .desc                   = "on_off button",
 446         },
 447 };
 448
 449 static struct gpio_keys_platform_data gpio_keys_platform_data = {
 450         .buttons        = gpio_keys_button,
 451         .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 452         .rep            = 0,
 453 };
 454
 455 static struct platform_device raumfeld_gpio_keys_device = {
 456         .name   = "gpio-keys",
 457         .id     = -1,
 458         .dev    = {
 459                 .platform_data  = &gpio_keys_platform_data,
 460         }
 461 };
 462
 463 /**
 464  * GPIO LEDs
 465  */
 466
 467 static struct gpio_led raumfeld_leds[] = {
 468         {
 469                 .name           = "raumfeld:1",
 470                 .gpio           = GPIO_LED1,
 471                 .active_low     = 1,
 472                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 473         },
 474         {
 475                 .name           = "raumfeld:2",
 476                 .gpio           = GPIO_LED2,
 477                 .active_low     = 0,
 478                 .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 479         }
 480 };
 481
 482 static struct gpio_led_platform_data raumfeld_led_platform_data = {
 483         .leds           = raumfeld_leds,
 484         .num_leds       = ARRAY_SIZE(raumfeld_leds),
 485 };
 486
 487 static struct platform_device raumfeld_led_device = {
 488         .name   = "leds-gpio",
 489         .id     = -1,
 490         .dev    = {
 491                 .platform_data = &raumfeld_led_platform_data,
 492         },
 493 };
 494
 495 /**
 496  * One-wire (W1 bus) support
 497  */
 498
 499 static void w1_enable_external_pullup(int enable)
 500 {
 501         gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 502         msleep(100);
 503 }
 504
 505 static struct w1_gpio_platform_data w1_gpio_platform_data = {
 506         .pin                    = GPIO_ONE_WIRE,
 507         .is_open_drain          = 0,
 508         .enable_external_pullup = w1_enable_external_pullup,
 509 };
 510
 511 struct platform_device raumfeld_w1_gpio_device = {
 512         .name   = "w1-gpio",
 513         .dev    = {
 514                 .platform_data = &w1_gpio_platform_data
 515         }
 516 };
 517
 518 static void __init raumfeld_w1_init(void)
 519 {
 520         int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 521                                 "W1 external pullup enable");
 522
 523         if (ret < 0)
 524                 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 525         else
 526                 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 527
 528         platform_device_register(&raumfeld_w1_gpio_device);
 529 }
 530
 531 /**
 532  * Framebuffer device
 533  */
 534
 535 /* PWM controlled backlight */
 536 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 537         .pwm_id         = 0,
 538         .max_brightness = 100,
 539         .dft_brightness = 100,
 540         /* 10000 ns = 10 ms ^= 100 kHz */
 541         .pwm_period_ns  = 10000,
 542 };
 543
 544 static struct platform_device raumfeld_pwm_backlight_device = {
 545         .name   = "pwm-backlight",
 546         .dev    = {
 547                 .parent         = &pxa27x_device_pwm0.dev,
 548                 .platform_data  = &raumfeld_pwm_backlight_data,
 549         }
 550 };
 551
 552 /* LT3593 controlled backlight */
 553 static struct gpio_led raumfeld_lt3593_led = {
 554         .name           = "backlight",
 555         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 556         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 557 };
 558
 559 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 560         .leds           = &raumfeld_lt3593_led,
 561         .num_leds       = 1,
 562 };
 563
 564 static struct platform_device raumfeld_lt3593_device = {
 565         .name   = "leds-lt3593",
 566         .id     = -1,
 567         .dev    = {
 568                 .platform_data = &raumfeld_lt3593_platform_data,
 569         },
 570 };
 571
 572 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 573         .pixclock       = 111000,
 574         .xres           = 480,
 575         .yres           = 272,
 576         .bpp            = 16,
 577         .hsync_len      = 4,
 578         .left_margin    = 2,
 579         .right_margin   = 1,
 580         .vsync_len      = 1,
 581         .upper_margin   = 3,
 582         .lower_margin   = 1,
 583         .sync           = 0,
 584 };
 585
 586 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 587         .modes          = &sharp_lq043t3dx02_mode,
 588         .num_modes      = 1,
 589         .video_mem_size = 0x400000,
 590         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 591 };
 592
 593 static void __init raumfeld_lcd_init(void)
 594 {
 595         int ret;
 596
 597         set_pxa_fb_info(&raumfeld_sharp_lcd_info);
 598
 599         /* Earlier devices had the backlight regulator controlled
 600          * via PWM, later versions use another controller for that */
 601         if ((system_rev & 0xff) < 2) {
 602                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 603                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 604                 platform_device_register(&raumfeld_pwm_backlight_device);
 605         } else
 606                 platform_device_register(&raumfeld_lt3593_device);
 607
 608         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 609         if (ret < 0)
 610                 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
 611         else
 612                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 613
 614         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 615         if (ret < 0)
 616                 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
 617         else
 618                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 619 }
 620
 621 /**
 622  * SPI devices
 623  */
 624
 625 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 626         .sck            = GPIO_SPI_CLK,
 627         .mosi           = GPIO_SPI_MOSI,
 628         .miso           = GPIO_SPI_MISO,
 629         .num_chipselect = 3,
 630 };
 631
 632 static struct platform_device raumfeld_spi_device = {
 633         .name   = "spi_gpio",
 634         .id     = 0,
 635         .dev    = {
 636                 .platform_data  = &raumfeld_spi_platform_data,
 637         }
 638 };
 639
 640 static struct lis3lv02d_platform_data lis3_pdata = {
 641         .click_flags    = LIS3_CLICK_SINGLE_X |
 642                           LIS3_CLICK_SINGLE_Y |
 643                           LIS3_CLICK_SINGLE_Z,
 644         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 645         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 646                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 647                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 648         .wakeup_thresh  = 10,
 649         .click_thresh_x = 10,
 650         .click_thresh_y = 10,
 651         .click_thresh_z = 10,
 652 };
 653
 654 #define SPI_AK4104      \
 655 {                       \
 656         .modalias       = "ak4104",     \
 657         .max_speed_hz   = 10000,        \
 658         .bus_num        = 0,            \
 659         .chip_select    = 0,            \
 660         .controller_data = (void *) GPIO_SPDIF_CS,      \
 661 }
 662
 663 #define SPI_LIS3        \
 664 {                       \
 665         .modalias       = "lis3lv02d_spi",      \
 666         .max_speed_hz   = 1000000,              \
 667         .bus_num        = 0,                    \
 668         .chip_select    = 1,                    \
 669         .controller_data = (void *) GPIO_ACCEL_CS,      \
 670         .platform_data  = &lis3_pdata,          \
 671         .irq            = gpio_to_irq(GPIO_ACCEL_IRQ),  \
 672 }
 673
 674 #define SPI_DAC7512     \
 675 {       \
 676         .modalias       = "dac7512",            \
 677         .max_speed_hz   = 1000000,              \
 678         .bus_num        = 0,                    \
 679         .chip_select    = 2,                    \
 680         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 681 }
 682
 683 static struct spi_board_info connector_spi_devices[] __initdata = {
 684         SPI_AK4104,
 685         SPI_DAC7512,
 686 };
 687
 688 static struct spi_board_info speaker_spi_devices[] __initdata = {
 689         SPI_DAC7512,
 690 };
 691
 692 static struct spi_board_info controller_spi_devices[] __initdata = {
 693         SPI_LIS3,
 694 };
 695
 696 /**
 697  * MMC for Marvell Libertas 8688 via SDIO
 698  */
 699
 700 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 701 {
 702         gpio_set_value(GPIO_W2W_RESET, 1);
 703         gpio_set_value(GPIO_W2W_PDN, 1);
 704
 705         return 0;
 706 }
 707
 708 static void raumfeld_mci_exit(struct device *dev, void *data)
 709 {
 710         gpio_set_value(GPIO_W2W_RESET, 0);
 711         gpio_set_value(GPIO_W2W_PDN, 0);
 712 }
 713
 714 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 715         .init                   = raumfeld_mci_init,
 716         .exit                   = raumfeld_mci_exit,
 717         .detect_delay           = 20,
 718         .gpio_card_detect       = -1,
 719         .gpio_card_ro           = -1,
 720         .gpio_power             = -1,
 721 };
 722
 723 /*
 724  * External power / charge logic
 725  */
 726
 727 static int power_supply_init(struct device *dev)
 728 {
 729         return 0;
 730 }
 731
 732 static void power_supply_exit(struct device *dev)
 733 {
 734 }
 735
 736 static int raumfeld_is_ac_online(void)
 737 {
 738         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 739 }
 740
 741 static int raumfeld_is_usb_online(void)
 742 {
 743         return 0;
 744 }
 745
 746 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 747
 748 static struct pda_power_pdata power_supply_info = {
 749         .init                   = power_supply_init,
 750         .is_ac_online           = raumfeld_is_ac_online,
 751         .is_usb_online          = raumfeld_is_usb_online,
 752         .exit                   = power_supply_exit,
 753         .supplied_to            = raumfeld_power_supplicants,
 754         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants)
 755 };
 756
 757 static struct resource power_supply_resources[] = {
 758         {
 759                 .name  = "ac",
 760                 .flags = IORESOURCE_IRQ |
 761                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 762                 .start = GPIO_CHARGE_DC_OK,
 763                 .end   = GPIO_CHARGE_DC_OK,
 764         },
 765 };
 766
 767 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 768 {
 769         struct power_supply *psy;
 770
 771         psy = power_supply_get_by_name("ds2760-battery.0");
 772
 773         if (psy)
 774                 power_supply_set_battery_charged(psy);
 775
 776         return IRQ_HANDLED;
 777 }
 778
 779 static struct platform_device raumfeld_power_supply = {
 780         .name = "pda-power",
 781         .id   = -1,
 782         .dev  = {
 783                 .platform_data = &power_supply_info,
 784         },
 785         .resource      = power_supply_resources,
 786         .num_resources = ARRAY_SIZE(power_supply_resources),
 787 };
 788
 789 static void __init raumfeld_power_init(void)
 790 {
 791         int ret;
 792
 793         /* Set PEN2 high to enable maximum charge current */
 794         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 795         if (ret < 0)
 796                 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
 797         else
 798                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 799
 800         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 801         if (ret < 0)
 802                 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
 803
 804         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 805         if (ret < 0)
 806                 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
 807         else
 808                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 809
 810         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 811         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 812
 813         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 814                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 815                         "charge_done", NULL);
 816
 817         if (ret < 0)
 818                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 819                         GPIO_CHARGE_DONE);
 820         else
 821                 platform_device_register(&raumfeld_power_supply);
 822 }
 823
 824 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 825
 826 static struct regulator_consumer_supply audio_va_consumer_supply =
 827         REGULATOR_SUPPLY("va", "0-0048");
 828
 829 struct regulator_init_data audio_va_initdata = {
 830         .consumer_supplies = &audio_va_consumer_supply,
 831         .num_consumer_supplies = 1,
 832         .constraints = {
 833                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 834         },
 835 };
 836
 837 static struct fixed_voltage_config audio_va_config = {
 838         .supply_name            = "audio_va",
 839         .microvolts             = 5000000,
 840         .gpio                   = GPIO_AUDIO_VA_ENABLE,
 841         .enable_high            = 1,
 842         .enabled_at_boot        = 0,
 843         .init_data              = &audio_va_initdata,
 844 };
 845
 846 static struct platform_device audio_va_device = {
 847         .name   = "reg-fixed-voltage",
 848         .id     = 0,
 849         .dev    = {
 850                 .platform_data = &audio_va_config,
 851         },
 852 };
 853
 854 /* Dummy supplies for Codec's VD/VLC */
 855
 856 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 857         REGULATOR_SUPPLY("vd", "0-0048"),
 858         REGULATOR_SUPPLY("vlc", "0-0048"),
 859 };
 860
 861 struct regulator_init_data audio_dummy_initdata = {
 862         .consumer_supplies = audio_dummy_supplies,
 863         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 864         .constraints = {
 865                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 866         },
 867 };
 868
 869 static struct fixed_voltage_config audio_dummy_config = {
 870         .supply_name            = "audio_vd",
 871         .microvolts             = 3300000,
 872         .gpio                   = -1,
 873         .init_data              = &audio_dummy_initdata,
 874 };
 875
 876 static struct platform_device audio_supply_dummy_device = {
 877         .name   = "reg-fixed-voltage",
 878         .id     = 1,
 879         .dev    = {
 880                 .platform_data = &audio_dummy_config,
 881         },
 882 };
 883
 884 static struct platform_device *audio_regulator_devices[] = {
 885         &audio_va_device,
 886         &audio_supply_dummy_device,
 887 };
 888
 889 /**
 890  * Regulator support via MAX8660
 891  */
 892
 893 static struct regulator_consumer_supply vcc_mmc_supply =
 894         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 895
 896 static struct regulator_init_data vcc_mmc_init_data = {
 897         .constraints = {
 898                 .min_uV                 = 3300000,
 899                 .max_uV                 = 3300000,
 900                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 901                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 902                                           REGULATOR_CHANGE_VOLTAGE |
 903                                           REGULATOR_CHANGE_MODE,
 904         },
 905         .consumer_supplies = &vcc_mmc_supply,
 906         .num_consumer_supplies = 1,
 907 };
 908
 909 struct max8660_subdev_data max8660_v6_subdev_data = {
 910         .id             = MAX8660_V6,
 911         .name           = "vmmc",
 912         .platform_data  = &vcc_mmc_init_data,
 913 };
 914
 915 static struct max8660_platform_data max8660_pdata = {
 916         .subdevs = &max8660_v6_subdev_data,
 917         .num_subdevs = 1,
 918 };
 919
 920 /**
 921  * I2C devices
 922  */
 923
 924 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 925         .type           = "max8660",
 926         .addr           = 0x34,
 927         .platform_data  = &max8660_pdata,
 928 };
 929
 930 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 931         .type   = "cs4270",
 932         .addr   = 0x48,
 933 };
 934
 935 static struct eeti_ts_platform_data eeti_ts_pdata = {
 936         .irq_active_high = 1,
 937 };
 938
 939 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 940         .type   = "eeti_ts",
 941         .addr   = 0x0a,
 942         .irq    = gpio_to_irq(GPIO_TOUCH_IRQ),
 943         .platform_data = &eeti_ts_pdata,
 944 };
 945
 946 static struct platform_device *raumfeld_common_devices[] = {
 947         &raumfeld_gpio_keys_device,
 948         &raumfeld_led_device,
 949         &raumfeld_spi_device,
 950 };
 951
 952 static void __init raumfeld_audio_init(void)
 953 {
 954         int ret;
 955
 956         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
 957         if (ret < 0)
 958                 pr_warning("unable to request GPIO_CODEC_RESET\n");
 959         else
 960                 gpio_direction_output(GPIO_CODEC_RESET, 1);
 961
 962         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
 963         if (ret < 0)
 964                 pr_warning("unable to request GPIO_SPDIF_RESET\n");
 965         else
 966                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
 967
 968         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
 969         if (ret < 0)
 970                 pr_warning("unable to request GPIO_MCLK_RESET\n");
 971         else
 972                 gpio_direction_output(GPIO_MCLK_RESET, 1);
 973
 974         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
 975 }
 976
 977 static void __init raumfeld_common_init(void)
 978 {
 979         int ret;
 980
 981         /* The on/off button polarity has changed after revision 1 */
 982         if ((system_rev & 0xff) > 1) {
 983                 int i;
 984
 985                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
 986                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
 987                                 gpio_keys_button[i].active_low = 1;
 988         }
 989
 990         enable_irq_wake(IRQ_WAKEUP0);
 991
 992         pxa3xx_set_nand_info(&raumfeld_nand_info);
 993         pxa3xx_set_i2c_power_info(NULL);
 994         pxa_set_ohci_info(&raumfeld_ohci_info);
 995         pxa_set_mci_info(&raumfeld_mci_platform_data);
 996         pxa_set_i2c_info(NULL);
 997         pxa_set_ffuart_info(NULL);
 998
 999         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1000         if (ret < 0)
1001                 pr_warning("Unable to request GPIO_W2W_RESET\n");
1002         else
1003                 gpio_direction_output(GPIO_W2W_RESET, 0);
1004
1005         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1006         if (ret < 0)
1007                 pr_warning("Unable to request GPIO_W2W_PDN\n");
1008         else
1009                 gpio_direction_output(GPIO_W2W_PDN, 0);
1010
1011         /* this can be used to switch off the device */
1012         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1013         if (ret < 0)
1014                 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1015         else
1016                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1017
1018         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1019         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1020 }
1021
1022 static void __init raumfeld_controller_init(void)
1023 {
1024         int ret;
1025
1026         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1027         platform_device_register(&rotary_encoder_device);
1028         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1029         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1030
1031         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1032         if (ret < 0)
1033                 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1034         else
1035                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1036
1037         raumfeld_common_init();
1038         raumfeld_power_init();
1039         raumfeld_lcd_init();
1040         raumfeld_w1_init();
1041 }
1042
1043 static void __init raumfeld_connector_init(void)
1044 {
1045         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1046         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1047         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1048
1049         platform_device_register(&smc91x_device);
1050
1051         raumfeld_audio_init();
1052         raumfeld_common_init();
1053 }
1054
1055 static void __init raumfeld_speaker_init(void)
1056 {
1057         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1058         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1059         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1060
1061         platform_device_register(&smc91x_device);
1062         platform_device_register(&rotary_encoder_device);
1063
1064         raumfeld_audio_init();
1065         raumfeld_common_init();
1066 }
1067
1068 /* physical memory regions */
1069 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1070
1071 #ifdef CONFIG_MACH_RAUMFELD_RC
1072 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1073         .phys_io        = 0x40000000,
1074         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1075         .boot_params    = RAUMFELD_SDRAM_BASE + 0x100,
1076         .init_machine   = raumfeld_controller_init,
1077         .map_io         = pxa_map_io,
1078         .init_irq       = pxa3xx_init_irq,
1079         .timer          = &pxa_timer,
1080 MACHINE_END
1081 #endif
1082
1083 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1084 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1085         .phys_io        = 0x40000000,
1086         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1087         .boot_params    = RAUMFELD_SDRAM_BASE + 0x100,
1088         .init_machine   = raumfeld_connector_init,
1089         .map_io         = pxa_map_io,
1090         .init_irq       = pxa3xx_init_irq,
1091         .timer          = &pxa_timer,
1092 MACHINE_END
1093 #endif
1094
1095 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1096 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1097         .phys_io        = 0x40000000,
1098         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1099         .boot_params    = RAUMFELD_SDRAM_BASE + 0x100,
1100         .init_machine   = raumfeld_speaker_init,
1101         .map_io         = pxa_map_io,
1102         .init_irq       = pxa3xx_init_irq,
1103         .timer          = &pxa_timer,
1104 MACHINE_END
1105 #endif