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/platform_device.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/gpio.h>
  24 #include <linux/smsc911x.h>
  25 #include <linux/input.h>
  26 #include <linux/rotary_encoder.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/input/eeti_ts.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/i2c/pxa-i2c.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 <mach/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         .enable_arbiter = 1,
 350         .keep_config    = 1,
 351         .num_cs         = 1,
 352         .parts[0]       = raumfeld_nand_partitions,
 353         .nr_parts[0]    = ARRAY_SIZE(raumfeld_nand_partitions),
 354 };
 355
 356 /**
 357  * USB (OHCI) support
 358  */
 359
 360 static struct pxaohci_platform_data raumfeld_ohci_info = {
 361         .port_mode      = PMM_GLOBAL_MODE,
 362         .flags          = ENABLE_PORT1,
 363 };
 364
 365 /**
 366  * Rotary encoder input device
 367  */
 368
 369 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
 370         .steps          = 24,
 371         .axis           = REL_X,
 372         .relative_axis  = 1,
 373         .gpio_a         = GPIO_VOLENC_A,
 374         .gpio_b         = GPIO_VOLENC_B,
 375         .inverted_a     = 1,
 376         .inverted_b     = 0,
 377 };
 378
 379 static struct platform_device rotary_encoder_device = {
 380         .name           = "rotary-encoder",
 381         .id             = 0,
 382         .dev            = {
 383                 .platform_data = &raumfeld_rotary_encoder_info,
 384         }
 385 };
 386
 387 /**
 388  * GPIO buttons
 389  */
 390
 391 static struct gpio_keys_button gpio_keys_button[] = {
 392         {
 393                 .code                   = KEY_F1,
 394                 .type                   = EV_KEY,
 395                 .gpio                   = GPIO_KEY1,
 396                 .active_low             = 1,
 397                 .wakeup                 = 0,
 398                 .debounce_interval      = 5, /* ms */
 399                 .desc                   = "Button 1",
 400         },
 401         {
 402                 .code                   = KEY_F2,
 403                 .type                   = EV_KEY,
 404                 .gpio                   = GPIO_KEY2,
 405                 .active_low             = 1,
 406                 .wakeup                 = 0,
 407                 .debounce_interval      = 5, /* ms */
 408                 .desc                   = "Button 2",
 409         },
 410         {
 411                 .code                   = KEY_F3,
 412                 .type                   = EV_KEY,
 413                 .gpio                   = GPIO_KEY3,
 414                 .active_low             = 1,
 415                 .wakeup                 = 0,
 416                 .debounce_interval      = 5, /* ms */
 417                 .desc                   = "Button 3",
 418         },
 419         {
 420                 .code                   = KEY_F4,
 421                 .type                   = EV_KEY,
 422                 .gpio                   = GPIO_RESCUE_BOOT,
 423                 .active_low             = 0,
 424                 .wakeup                 = 0,
 425                 .debounce_interval      = 5, /* ms */
 426                 .desc                   = "rescue boot button",
 427         },
 428         {
 429                 .code                   = KEY_F5,
 430                 .type                   = EV_KEY,
 431                 .gpio                   = GPIO_DOCK_DETECT,
 432                 .active_low             = 1,
 433                 .wakeup                 = 0,
 434                 .debounce_interval      = 5, /* ms */
 435                 .desc                   = "dock detect",
 436         },
 437         {
 438                 .code                   = KEY_F6,
 439                 .type                   = EV_KEY,
 440                 .gpio                   = GPIO_ON_OFF,
 441                 .active_low             = 0,
 442                 .wakeup                 = 0,
 443                 .debounce_interval      = 5, /* ms */
 444                 .desc                   = "on_off button",
 445         },
 446 };
 447
 448 static struct gpio_keys_platform_data gpio_keys_platform_data = {
 449         .buttons        = gpio_keys_button,
 450         .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 451         .rep            = 0,
 452 };
 453
 454 static struct platform_device raumfeld_gpio_keys_device = {
 455         .name   = "gpio-keys",
 456         .id     = -1,
 457         .dev    = {
 458                 .platform_data  = &gpio_keys_platform_data,
 459         }
 460 };
 461
 462 /**
 463  * GPIO LEDs
 464  */
 465
 466 static struct gpio_led raumfeld_leds[] = {
 467         {
 468                 .name           = "raumfeld:1",
 469                 .gpio           = GPIO_LED1,
 470                 .active_low     = 1,
 471                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 472         },
 473         {
 474                 .name           = "raumfeld:2",
 475                 .gpio           = GPIO_LED2,
 476                 .active_low     = 0,
 477                 .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 478         }
 479 };
 480
 481 static struct gpio_led_platform_data raumfeld_led_platform_data = {
 482         .leds           = raumfeld_leds,
 483         .num_leds       = ARRAY_SIZE(raumfeld_leds),
 484 };
 485
 486 static struct platform_device raumfeld_led_device = {
 487         .name   = "leds-gpio",
 488         .id     = -1,
 489         .dev    = {
 490                 .platform_data = &raumfeld_led_platform_data,
 491         },
 492 };
 493
 494 /**
 495  * One-wire (W1 bus) support
 496  */
 497
 498 static void w1_enable_external_pullup(int enable)
 499 {
 500         gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 501         msleep(100);
 502 }
 503
 504 static struct w1_gpio_platform_data w1_gpio_platform_data = {
 505         .pin                    = GPIO_ONE_WIRE,
 506         .is_open_drain          = 0,
 507         .enable_external_pullup = w1_enable_external_pullup,
 508         .ext_pullup_enable_pin  = -EINVAL,
 509 };
 510
 511 static 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_warn("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 static struct pwm_lookup raumfeld_pwm_lookup[] = {
 536         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
 537                    PWM_POLARITY_NORMAL),
 538 };
 539
 540 /* PWM controlled backlight */
 541 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 542         .max_brightness = 100,
 543         .dft_brightness = 100,
 544         .enable_gpio    = -1,
 545 };
 546
 547 static struct platform_device raumfeld_pwm_backlight_device = {
 548         .name   = "pwm-backlight",
 549         .dev    = {
 550                 .parent         = &pxa27x_device_pwm0.dev,
 551                 .platform_data  = &raumfeld_pwm_backlight_data,
 552         }
 553 };
 554
 555 /* LT3593 controlled backlight */
 556 static struct gpio_led raumfeld_lt3593_led = {
 557         .name           = "backlight",
 558         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 559         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 560 };
 561
 562 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 563         .leds           = &raumfeld_lt3593_led,
 564         .num_leds       = 1,
 565 };
 566
 567 static struct platform_device raumfeld_lt3593_device = {
 568         .name   = "leds-lt3593",
 569         .id     = -1,
 570         .dev    = {
 571                 .platform_data = &raumfeld_lt3593_platform_data,
 572         },
 573 };
 574
 575 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 576         .pixclock       = 111000,
 577         .xres           = 480,
 578         .yres           = 272,
 579         .bpp            = 16,
 580         .hsync_len      = 41,
 581         .left_margin    = 2,
 582         .right_margin   = 1,
 583         .vsync_len      = 10,
 584         .upper_margin   = 3,
 585         .lower_margin   = 1,
 586         .sync           = 0,
 587 };
 588
 589 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 590         .modes          = &sharp_lq043t3dx02_mode,
 591         .num_modes      = 1,
 592         .video_mem_size = 0x400000,
 593         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 594 #ifdef CONFIG_PXA3XX_GCU
 595         .acceleration_enabled = 1,
 596 #endif
 597 };
 598
 599 static void __init raumfeld_lcd_init(void)
 600 {
 601         int ret;
 602
 603         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 604         if (ret < 0)
 605                 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
 606         else
 607                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 608
 609         msleep(100);
 610
 611         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 612         if (ret < 0)
 613                 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
 614         else
 615                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 616
 617         /* Hardware revision 2 has the backlight regulator controlled
 618          * by an LT3593, earlier and later devices use PWM for that. */
 619         if ((system_rev & 0xff) == 2) {
 620                 platform_device_register(&raumfeld_lt3593_device);
 621         } else {
 622                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 623                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 624                 pwm_add_table(raumfeld_pwm_lookup,
 625                               ARRAY_SIZE(raumfeld_pwm_lookup));
 626                 platform_device_register(&raumfeld_pwm_backlight_device);
 627         }
 628
 629         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 630         platform_device_register(&pxa3xx_device_gcu);
 631 }
 632
 633 /**
 634  * SPI devices
 635  */
 636
 637 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 638         .sck            = GPIO_SPI_CLK,
 639         .mosi           = GPIO_SPI_MOSI,
 640         .miso           = GPIO_SPI_MISO,
 641         .num_chipselect = 3,
 642 };
 643
 644 static struct platform_device raumfeld_spi_device = {
 645         .name   = "spi_gpio",
 646         .id     = 0,
 647         .dev    = {
 648                 .platform_data  = &raumfeld_spi_platform_data,
 649         }
 650 };
 651
 652 static struct lis3lv02d_platform_data lis3_pdata = {
 653         .click_flags    = LIS3_CLICK_SINGLE_X |
 654                           LIS3_CLICK_SINGLE_Y |
 655                           LIS3_CLICK_SINGLE_Z,
 656         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 657         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 658                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 659                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 660         .wakeup_thresh  = 10,
 661         .click_thresh_x = 10,
 662         .click_thresh_y = 10,
 663         .click_thresh_z = 10,
 664 };
 665
 666 #define SPI_AK4104      \
 667 {                       \
 668         .modalias       = "ak4104-codec",       \
 669         .max_speed_hz   = 10000,                \
 670         .bus_num        = 0,                    \
 671         .chip_select    = 0,                    \
 672         .controller_data = (void *) GPIO_SPDIF_CS,      \
 673 }
 674
 675 #define SPI_LIS3        \
 676 {                       \
 677         .modalias       = "lis3lv02d_spi",      \
 678         .max_speed_hz   = 1000000,              \
 679         .bus_num        = 0,                    \
 680         .chip_select    = 1,                    \
 681         .controller_data = (void *) GPIO_ACCEL_CS,      \
 682         .platform_data  = &lis3_pdata,          \
 683         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 684 }
 685
 686 #define SPI_DAC7512     \
 687 {       \
 688         .modalias       = "dac7512",            \
 689         .max_speed_hz   = 1000000,              \
 690         .bus_num        = 0,                    \
 691         .chip_select    = 2,                    \
 692         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 693 }
 694
 695 static struct spi_board_info connector_spi_devices[] __initdata = {
 696         SPI_AK4104,
 697         SPI_DAC7512,
 698 };
 699
 700 static struct spi_board_info speaker_spi_devices[] __initdata = {
 701         SPI_DAC7512,
 702 };
 703
 704 static struct spi_board_info controller_spi_devices[] __initdata = {
 705         SPI_LIS3,
 706 };
 707
 708 /**
 709  * MMC for Marvell Libertas 8688 via SDIO
 710  */
 711
 712 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 713 {
 714         gpio_set_value(GPIO_W2W_RESET, 1);
 715         gpio_set_value(GPIO_W2W_PDN, 1);
 716
 717         return 0;
 718 }
 719
 720 static void raumfeld_mci_exit(struct device *dev, void *data)
 721 {
 722         gpio_set_value(GPIO_W2W_RESET, 0);
 723         gpio_set_value(GPIO_W2W_PDN, 0);
 724 }
 725
 726 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 727         .init                   = raumfeld_mci_init,
 728         .exit                   = raumfeld_mci_exit,
 729         .detect_delay_ms        = 200,
 730         .gpio_card_detect       = -1,
 731         .gpio_card_ro           = -1,
 732         .gpio_power             = -1,
 733 };
 734
 735 /*
 736  * External power / charge logic
 737  */
 738
 739 static int power_supply_init(struct device *dev)
 740 {
 741         return 0;
 742 }
 743
 744 static void power_supply_exit(struct device *dev)
 745 {
 746 }
 747
 748 static int raumfeld_is_ac_online(void)
 749 {
 750         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 751 }
 752
 753 static int raumfeld_is_usb_online(void)
 754 {
 755         return 0;
 756 }
 757
 758 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 759
 760 static void raumfeld_power_signal_charged(void)
 761 {
 762         struct power_supply *psy =
 763                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
 764
 765         if (psy) {
 766                 power_supply_set_battery_charged(psy);
 767                 power_supply_put(psy);
 768         }
 769 }
 770
 771 static int raumfeld_power_resume(void)
 772 {
 773         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 774         if (!gpio_get_value(GPIO_CHARGE_DONE))
 775                 raumfeld_power_signal_charged();
 776
 777         return 0;
 778 }
 779
 780 static struct pda_power_pdata power_supply_info = {
 781         .init                   = power_supply_init,
 782         .is_ac_online           = raumfeld_is_ac_online,
 783         .is_usb_online          = raumfeld_is_usb_online,
 784         .exit                   = power_supply_exit,
 785         .supplied_to            = raumfeld_power_supplicants,
 786         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 787         .resume                 = raumfeld_power_resume,
 788 };
 789
 790 static struct resource power_supply_resources[] = {
 791         {
 792                 .name  = "ac",
 793                 .flags = IORESOURCE_IRQ |
 794                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 795                 .start = GPIO_CHARGE_DC_OK,
 796                 .end   = GPIO_CHARGE_DC_OK,
 797         },
 798 };
 799
 800 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 801 {
 802         raumfeld_power_signal_charged();
 803         return IRQ_HANDLED;
 804 }
 805
 806 static struct platform_device raumfeld_power_supply = {
 807         .name = "pda-power",
 808         .id   = -1,
 809         .dev  = {
 810                 .platform_data = &power_supply_info,
 811         },
 812         .resource      = power_supply_resources,
 813         .num_resources = ARRAY_SIZE(power_supply_resources),
 814 };
 815
 816 static void __init raumfeld_power_init(void)
 817 {
 818         int ret;
 819
 820         /* Set PEN2 high to enable maximum charge current */
 821         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 822         if (ret < 0)
 823                 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
 824         else
 825                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 826
 827         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 828         if (ret < 0)
 829                 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
 830
 831         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 832         if (ret < 0)
 833                 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
 834         else
 835                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 836
 837         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 838         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 839
 840         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 841                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 842                         "charge_done", NULL);
 843
 844         if (ret < 0)
 845                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 846                         GPIO_CHARGE_DONE);
 847         else
 848                 platform_device_register(&raumfeld_power_supply);
 849 }
 850
 851 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 852
 853 static struct regulator_consumer_supply audio_va_consumer_supply =
 854         REGULATOR_SUPPLY("va", "0-0048");
 855
 856 static struct regulator_init_data audio_va_initdata = {
 857         .consumer_supplies = &audio_va_consumer_supply,
 858         .num_consumer_supplies = 1,
 859         .constraints = {
 860                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 861         },
 862 };
 863
 864 static struct fixed_voltage_config audio_va_config = {
 865         .supply_name            = "audio_va",
 866         .microvolts             = 5000000,
 867         .gpio                   = GPIO_AUDIO_VA_ENABLE,
 868         .enable_high            = 1,
 869         .enabled_at_boot        = 0,
 870         .init_data              = &audio_va_initdata,
 871 };
 872
 873 static struct platform_device audio_va_device = {
 874         .name   = "reg-fixed-voltage",
 875         .id     = 0,
 876         .dev    = {
 877                 .platform_data = &audio_va_config,
 878         },
 879 };
 880
 881 /* Dummy supplies for Codec's VD/VLC */
 882
 883 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 884         REGULATOR_SUPPLY("vd", "0-0048"),
 885         REGULATOR_SUPPLY("vlc", "0-0048"),
 886 };
 887
 888 static struct regulator_init_data audio_dummy_initdata = {
 889         .consumer_supplies = audio_dummy_supplies,
 890         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 891         .constraints = {
 892                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 893         },
 894 };
 895
 896 static struct fixed_voltage_config audio_dummy_config = {
 897         .supply_name            = "audio_vd",
 898         .microvolts             = 3300000,
 899         .gpio                   = -1,
 900         .init_data              = &audio_dummy_initdata,
 901 };
 902
 903 static struct platform_device audio_supply_dummy_device = {
 904         .name   = "reg-fixed-voltage",
 905         .id     = 1,
 906         .dev    = {
 907                 .platform_data = &audio_dummy_config,
 908         },
 909 };
 910
 911 static struct platform_device *audio_regulator_devices[] = {
 912         &audio_va_device,
 913         &audio_supply_dummy_device,
 914 };
 915
 916 /**
 917  * Regulator support via MAX8660
 918  */
 919
 920 static struct regulator_consumer_supply vcc_mmc_supply =
 921         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 922
 923 static struct regulator_init_data vcc_mmc_init_data = {
 924         .constraints = {
 925                 .min_uV                 = 3300000,
 926                 .max_uV                 = 3300000,
 927                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 928                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 929                                           REGULATOR_CHANGE_VOLTAGE |
 930                                           REGULATOR_CHANGE_MODE,
 931         },
 932         .consumer_supplies = &vcc_mmc_supply,
 933         .num_consumer_supplies = 1,
 934 };
 935
 936 static struct max8660_subdev_data max8660_v6_subdev_data = {
 937         .id             = MAX8660_V6,
 938         .name           = "vmmc",
 939         .platform_data  = &vcc_mmc_init_data,
 940 };
 941
 942 static struct max8660_platform_data max8660_pdata = {
 943         .subdevs = &max8660_v6_subdev_data,
 944         .num_subdevs = 1,
 945 };
 946
 947 /**
 948  * I2C devices
 949  */
 950
 951 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 952         .type           = "max8660",
 953         .addr           = 0x34,
 954         .platform_data  = &max8660_pdata,
 955 };
 956
 957 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 958         .type   = "cs4270",
 959         .addr   = 0x48,
 960 };
 961
 962 static struct eeti_ts_platform_data eeti_ts_pdata = {
 963         .irq_active_high = 1,
 964         .irq_gpio = GPIO_TOUCH_IRQ,
 965 };
 966
 967 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 968         .type   = "eeti_ts",
 969         .addr   = 0x0a,
 970         .platform_data = &eeti_ts_pdata,
 971 };
 972
 973 static struct platform_device *raumfeld_common_devices[] = {
 974         &raumfeld_gpio_keys_device,
 975         &raumfeld_led_device,
 976         &raumfeld_spi_device,
 977 };
 978
 979 static void __init raumfeld_audio_init(void)
 980 {
 981         int ret;
 982
 983         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
 984         if (ret < 0)
 985                 pr_warn("unable to request GPIO_CODEC_RESET\n");
 986         else
 987                 gpio_direction_output(GPIO_CODEC_RESET, 1);
 988
 989         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
 990         if (ret < 0)
 991                 pr_warn("unable to request GPIO_SPDIF_RESET\n");
 992         else
 993                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
 994
 995         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
 996         if (ret < 0)
 997                 pr_warn("unable to request GPIO_MCLK_RESET\n");
 998         else
 999                 gpio_direction_output(GPIO_MCLK_RESET, 1);
1000
1001         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1002 }
1003
1004 static void __init raumfeld_common_init(void)
1005 {
1006         int ret;
1007
1008         /* The on/off button polarity has changed after revision 1 */
1009         if ((system_rev & 0xff) > 1) {
1010                 int i;
1011
1012                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1013                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1014                                 gpio_keys_button[i].active_low = 1;
1015         }
1016
1017         enable_irq_wake(IRQ_WAKEUP0);
1018
1019         pxa3xx_set_nand_info(&raumfeld_nand_info);
1020         pxa3xx_set_i2c_power_info(NULL);
1021         pxa_set_ohci_info(&raumfeld_ohci_info);
1022         pxa_set_mci_info(&raumfeld_mci_platform_data);
1023         pxa_set_i2c_info(NULL);
1024         pxa_set_ffuart_info(NULL);
1025
1026         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1027         if (ret < 0)
1028                 pr_warn("Unable to request GPIO_W2W_RESET\n");
1029         else
1030                 gpio_direction_output(GPIO_W2W_RESET, 0);
1031
1032         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1033         if (ret < 0)
1034                 pr_warn("Unable to request GPIO_W2W_PDN\n");
1035         else
1036                 gpio_direction_output(GPIO_W2W_PDN, 0);
1037
1038         /* this can be used to switch off the device */
1039         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1040         if (ret < 0)
1041                 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1042         else
1043                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1044
1045         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1046         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1047 }
1048
1049 static void __init raumfeld_controller_init(void)
1050 {
1051         int ret;
1052
1053         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1054         platform_device_register(&rotary_encoder_device);
1055         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1056         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1057
1058         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1059         if (ret < 0)
1060                 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1061         else
1062                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1063
1064         raumfeld_common_init();
1065         raumfeld_power_init();
1066         raumfeld_lcd_init();
1067         raumfeld_w1_init();
1068 }
1069
1070 static void __init raumfeld_connector_init(void)
1071 {
1072         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1073         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1074         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1075
1076         platform_device_register(&smc91x_device);
1077
1078         raumfeld_audio_init();
1079         raumfeld_common_init();
1080 }
1081
1082 static void __init raumfeld_speaker_init(void)
1083 {
1084         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1085         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1086         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1087
1088         platform_device_register(&smc91x_device);
1089         platform_device_register(&rotary_encoder_device);
1090
1091         raumfeld_audio_init();
1092         raumfeld_common_init();
1093 }
1094
1095 /* physical memory regions */
1096 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1097
1098 #ifdef CONFIG_MACH_RAUMFELD_RC
1099 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1100         .atag_offset    = 0x100,
1101         .init_machine   = raumfeld_controller_init,
1102         .map_io         = pxa3xx_map_io,
1103         .nr_irqs        = PXA_NR_IRQS,
1104         .init_irq       = pxa3xx_init_irq,
1105         .handle_irq     = pxa3xx_handle_irq,
1106         .init_time      = pxa_timer_init,
1107         .restart        = pxa_restart,
1108 MACHINE_END
1109 #endif
1110
1111 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1112 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1113         .atag_offset    = 0x100,
1114         .init_machine   = raumfeld_connector_init,
1115         .map_io         = pxa3xx_map_io,
1116         .nr_irqs        = PXA_NR_IRQS,
1117         .init_irq       = pxa3xx_init_irq,
1118         .handle_irq     = pxa3xx_handle_irq,
1119         .init_time      = pxa_timer_init,
1120         .restart        = pxa_restart,
1121 MACHINE_END
1122 #endif
1123
1124 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1125 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1126         .atag_offset    = 0x100,
1127         .init_machine   = raumfeld_speaker_init,
1128         .map_io         = pxa3xx_map_io,
1129         .nr_irqs        = PXA_NR_IRQS,
1130         .init_irq       = pxa3xx_init_irq,
1131         .handle_irq     = pxa3xx_handle_irq,
1132         .init_time      = pxa_timer_init,
1133         .restart        = pxa_restart,
1134 MACHINE_END
1135 #endif