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/input/eeti_ts.h>
  30 #include <linux/leds.h>
  31 #include <linux/w1-gpio.h>
  32 #include <linux/sched.h>
  33 #include <linux/pwm.h>
  34 #include <linux/pwm_backlight.h>
  35 #include <linux/i2c.h>
  36 #include <linux/i2c/pxa-i2c.h>
  37 #include <linux/spi/spi.h>
  38 #include <linux/spi/spi_gpio.h>
  39 #include <linux/lis3lv02d.h>
  40 #include <linux/pda_power.h>
  41 #include <linux/power_supply.h>
  42 #include <linux/regulator/max8660.h>
  43 #include <linux/regulator/machine.h>
  44 #include <linux/regulator/fixed.h>
  45 #include <linux/regulator/consumer.h>
  46 #include <linux/delay.h>
  47
  48 #include <asm/system_info.h>
  49
  50 #include <asm/mach-types.h>
  51 #include <asm/mach/arch.h>
  52
  53 #include "pxa300.h"
  54 #include <linux/platform_data/usb-ohci-pxa27x.h>
  55 #include <linux/platform_data/video-pxafb.h>
  56 #include <linux/platform_data/mmc-pxamci.h>
  57 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  58
  59 #include "generic.h"
  60 #include "devices.h"
  61
  62 /* common GPIO  definitions */
  63
  64 /* inputs */
  65 #define GPIO_ON_OFF             (14)
  66 #define GPIO_VOLENC_A           (19)
  67 #define GPIO_VOLENC_B           (20)
  68 #define GPIO_CHARGE_DONE        (23)
  69 #define GPIO_CHARGE_IND         (27)
  70 #define GPIO_TOUCH_IRQ          (32)
  71 #define GPIO_ETH_IRQ            (40)
  72 #define GPIO_SPI_MISO           (98)
  73 #define GPIO_ACCEL_IRQ          (104)
  74 #define GPIO_RESCUE_BOOT        (115)
  75 #define GPIO_DOCK_DETECT        (116)
  76 #define GPIO_KEY1               (117)
  77 #define GPIO_KEY2               (118)
  78 #define GPIO_KEY3               (119)
  79 #define GPIO_CHARGE_USB_OK      (112)
  80 #define GPIO_CHARGE_DC_OK       (101)
  81 #define GPIO_CHARGE_USB_SUSP    (102)
  82
  83 /* outputs */
  84 #define GPIO_SHUTDOWN_SUPPLY    (16)
  85 #define GPIO_SHUTDOWN_BATT      (18)
  86 #define GPIO_CHRG_PEN2          (31)
  87 #define GPIO_TFT_VA_EN          (33)
  88 #define GPIO_SPDIF_CS           (34)
  89 #define GPIO_LED2               (35)
  90 #define GPIO_LED1               (36)
  91 #define GPIO_SPDIF_RESET        (38)
  92 #define GPIO_SPI_CLK            (95)
  93 #define GPIO_MCLK_DAC_CS        (96)
  94 #define GPIO_SPI_MOSI           (97)
  95 #define GPIO_W1_PULLUP_ENABLE   (105)
  96 #define GPIO_DISPLAY_ENABLE     (106)
  97 #define GPIO_MCLK_RESET         (111)
  98 #define GPIO_W2W_RESET          (113)
  99 #define GPIO_W2W_PDN            (114)
 100 #define GPIO_CODEC_RESET        (120)
 101 #define GPIO_AUDIO_VA_ENABLE    (124)
 102 #define GPIO_ACCEL_CS           (125)
 103 #define GPIO_ONE_WIRE           (126)
 104
 105 /*
 106  * GPIO configurations
 107  */
 108 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
 109         /* UART1 */
 110         GPIO77_UART1_RXD,
 111         GPIO78_UART1_TXD,
 112         GPIO79_UART1_CTS,
 113         GPIO81_UART1_DSR,
 114         GPIO83_UART1_DTR,
 115         GPIO84_UART1_RTS,
 116
 117         /* UART3 */
 118         GPIO110_UART3_RXD,
 119
 120         /* USB Host */
 121         GPIO0_2_USBH_PEN,
 122         GPIO1_2_USBH_PWR,
 123
 124         /* I2C */
 125         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 126         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 127
 128         /* SPI */
 129         GPIO34_GPIO,    /* SPDIF_CS */
 130         GPIO96_GPIO,    /* MCLK_CS */
 131         GPIO125_GPIO,   /* ACCEL_CS */
 132
 133         /* MMC */
 134         GPIO3_MMC1_DAT0,
 135         GPIO4_MMC1_DAT1,
 136         GPIO5_MMC1_DAT2,
 137         GPIO6_MMC1_DAT3,
 138         GPIO7_MMC1_CLK,
 139         GPIO8_MMC1_CMD,
 140
 141         /* One-wire */
 142         GPIO126_GPIO | MFP_LPM_FLOAT,
 143         GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
 144
 145         /* CHRG_USB_OK */
 146         GPIO101_GPIO | MFP_PULL_HIGH,
 147         /* CHRG_USB_OK */
 148         GPIO112_GPIO | MFP_PULL_HIGH,
 149         /* CHRG_USB_SUSP */
 150         GPIO102_GPIO,
 151         /* DISPLAY_ENABLE */
 152         GPIO106_GPIO,
 153         /* DOCK_DETECT */
 154         GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 155
 156         /* LCD */
 157         GPIO54_LCD_LDD_0,
 158         GPIO55_LCD_LDD_1,
 159         GPIO56_LCD_LDD_2,
 160         GPIO57_LCD_LDD_3,
 161         GPIO58_LCD_LDD_4,
 162         GPIO59_LCD_LDD_5,
 163         GPIO60_LCD_LDD_6,
 164         GPIO61_LCD_LDD_7,
 165         GPIO62_LCD_LDD_8,
 166         GPIO63_LCD_LDD_9,
 167         GPIO64_LCD_LDD_10,
 168         GPIO65_LCD_LDD_11,
 169         GPIO66_LCD_LDD_12,
 170         GPIO67_LCD_LDD_13,
 171         GPIO68_LCD_LDD_14,
 172         GPIO69_LCD_LDD_15,
 173         GPIO70_LCD_LDD_16,
 174         GPIO71_LCD_LDD_17,
 175         GPIO72_LCD_FCLK,
 176         GPIO73_LCD_LCLK,
 177         GPIO74_LCD_PCLK,
 178         GPIO75_LCD_BIAS,
 179 };
 180
 181 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
 182         /* UART1 */
 183         GPIO77_UART1_RXD,
 184         GPIO78_UART1_TXD,
 185         GPIO79_UART1_CTS,
 186         GPIO81_UART1_DSR,
 187         GPIO83_UART1_DTR,
 188         GPIO84_UART1_RTS,
 189
 190         /* UART3 */
 191         GPIO110_UART3_RXD,
 192
 193         /* USB Host */
 194         GPIO0_2_USBH_PEN,
 195         GPIO1_2_USBH_PWR,
 196
 197         /* I2C */
 198         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 199         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 200
 201         /* SPI */
 202         GPIO34_GPIO,    /* SPDIF_CS */
 203         GPIO96_GPIO,    /* MCLK_CS */
 204         GPIO125_GPIO,   /* ACCEL_CS */
 205
 206         /* MMC */
 207         GPIO3_MMC1_DAT0,
 208         GPIO4_MMC1_DAT1,
 209         GPIO5_MMC1_DAT2,
 210         GPIO6_MMC1_DAT3,
 211         GPIO7_MMC1_CLK,
 212         GPIO8_MMC1_CMD,
 213
 214         /* Ethernet */
 215         GPIO1_nCS2,                     /* CS */
 216         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 217
 218         /* SSP for I2S */
 219         GPIO85_SSP1_SCLK,
 220         GPIO89_SSP1_EXTCLK,
 221         GPIO86_SSP1_FRM,
 222         GPIO87_SSP1_TXD,
 223         GPIO88_SSP1_RXD,
 224         GPIO90_SSP1_SYSCLK,
 225
 226         /* SSP2 for S/PDIF */
 227         GPIO25_SSP2_SCLK,
 228         GPIO26_SSP2_FRM,
 229         GPIO27_SSP2_TXD,
 230         GPIO29_SSP2_EXTCLK,
 231
 232         /* LEDs */
 233         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 234         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 235 };
 236
 237 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
 238         /* UART1 */
 239         GPIO77_UART1_RXD,
 240         GPIO78_UART1_TXD,
 241         GPIO79_UART1_CTS,
 242         GPIO81_UART1_DSR,
 243         GPIO83_UART1_DTR,
 244         GPIO84_UART1_RTS,
 245
 246         /* UART3 */
 247         GPIO110_UART3_RXD,
 248
 249         /* USB Host */
 250         GPIO0_2_USBH_PEN,
 251         GPIO1_2_USBH_PWR,
 252
 253         /* I2C */
 254         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 255         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 256
 257         /* SPI */
 258         GPIO34_GPIO,    /* SPDIF_CS */
 259         GPIO96_GPIO,    /* MCLK_CS */
 260         GPIO125_GPIO,   /* ACCEL_CS */
 261
 262         /* MMC */
 263         GPIO3_MMC1_DAT0,
 264         GPIO4_MMC1_DAT1,
 265         GPIO5_MMC1_DAT2,
 266         GPIO6_MMC1_DAT3,
 267         GPIO7_MMC1_CLK,
 268         GPIO8_MMC1_CMD,
 269
 270         /* Ethernet */
 271         GPIO1_nCS2,                     /* CS */
 272         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 273
 274         /* SSP for I2S */
 275         GPIO85_SSP1_SCLK,
 276         GPIO89_SSP1_EXTCLK,
 277         GPIO86_SSP1_FRM,
 278         GPIO87_SSP1_TXD,
 279         GPIO88_SSP1_RXD,
 280         GPIO90_SSP1_SYSCLK,
 281
 282         /* LEDs */
 283         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 284         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 285 };
 286
 287 /*
 288  * SMSC LAN9220 Ethernet
 289  */
 290
 291 static struct resource smc91x_resources[] = {
 292         {
 293                 .start  = PXA3xx_CS2_PHYS,
 294                 .end    = PXA3xx_CS2_PHYS + 0xfffff,
 295                 .flags  = IORESOURCE_MEM,
 296         },
 297         {
 298                 .start  = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 299                 .end    = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 300                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
 301         }
 302 };
 303
 304 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
 305         .phy_interface  = PHY_INTERFACE_MODE_MII,
 306         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 307         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 308         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 309 };
 310
 311 static struct platform_device smc91x_device = {
 312         .name           = "smsc911x",
 313         .id             = -1,
 314         .num_resources  = ARRAY_SIZE(smc91x_resources),
 315         .resource       = smc91x_resources,
 316         .dev            = {
 317                 .platform_data = &raumfeld_smsc911x_config,
 318         }
 319 };
 320
 321 /**
 322  * NAND
 323  */
 324
 325 static struct mtd_partition raumfeld_nand_partitions[] = {
 326         {
 327                 .name           = "Bootloader",
 328                 .offset         = 0,
 329                 .size           = 0xa0000,
 330                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 331         },
 332         {
 333                 .name           = "BootloaderEnvironment",
 334                 .offset         = 0xa0000,
 335                 .size           = 0x20000,
 336         },
 337         {
 338                 .name           = "BootloaderSplashScreen",
 339                 .offset         = 0xc0000,
 340                 .size           = 0x60000,
 341         },
 342         {
 343                 .name           = "UBI",
 344                 .offset         = 0x120000,
 345                 .size           = MTDPART_SIZ_FULL,
 346         },
 347 };
 348
 349 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
 350         .enable_arbiter = 1,
 351         .keep_config    = 1,
 352         .num_cs         = 1,
 353         .parts[0]       = raumfeld_nand_partitions,
 354         .nr_parts[0]    = 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 gpiod_lookup_table raumfeld_rotary_gpios_table = {
 371         .dev_id = "rotary-encoder.0",
 372         .table = {
 373                 GPIO_LOOKUP_IDX("gpio-0",
 374                                 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
 375                 GPIO_LOOKUP_IDX("gpio-0",
 376                                 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
 377                 { },
 378         },
 379 };
 380
 381 static struct property_entry raumfeld_rotary_properties[] = {
 382         PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
 383         PROPERTY_ENTRY_INTEGER("linux,axis",                      u32, REL_X),
 384         PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis",    u32, 1),
 385         { },
 386 };
 387
 388 static struct platform_device rotary_encoder_device = {
 389         .name           = "rotary-encoder",
 390         .id             = 0,
 391 };
 392
 393 /**
 394  * GPIO buttons
 395  */
 396
 397 static struct gpio_keys_button gpio_keys_button[] = {
 398         {
 399                 .code                   = KEY_F1,
 400                 .type                   = EV_KEY,
 401                 .gpio                   = GPIO_KEY1,
 402                 .active_low             = 1,
 403                 .wakeup                 = 0,
 404                 .debounce_interval      = 5, /* ms */
 405                 .desc                   = "Button 1",
 406         },
 407         {
 408                 .code                   = KEY_F2,
 409                 .type                   = EV_KEY,
 410                 .gpio                   = GPIO_KEY2,
 411                 .active_low             = 1,
 412                 .wakeup                 = 0,
 413                 .debounce_interval      = 5, /* ms */
 414                 .desc                   = "Button 2",
 415         },
 416         {
 417                 .code                   = KEY_F3,
 418                 .type                   = EV_KEY,
 419                 .gpio                   = GPIO_KEY3,
 420                 .active_low             = 1,
 421                 .wakeup                 = 0,
 422                 .debounce_interval      = 5, /* ms */
 423                 .desc                   = "Button 3",
 424         },
 425         {
 426                 .code                   = KEY_F4,
 427                 .type                   = EV_KEY,
 428                 .gpio                   = GPIO_RESCUE_BOOT,
 429                 .active_low             = 0,
 430                 .wakeup                 = 0,
 431                 .debounce_interval      = 5, /* ms */
 432                 .desc                   = "rescue boot button",
 433         },
 434         {
 435                 .code                   = KEY_F5,
 436                 .type                   = EV_KEY,
 437                 .gpio                   = GPIO_DOCK_DETECT,
 438                 .active_low             = 1,
 439                 .wakeup                 = 0,
 440                 .debounce_interval      = 5, /* ms */
 441                 .desc                   = "dock detect",
 442         },
 443         {
 444                 .code                   = KEY_F6,
 445                 .type                   = EV_KEY,
 446                 .gpio                   = GPIO_ON_OFF,
 447                 .active_low             = 0,
 448                 .wakeup                 = 0,
 449                 .debounce_interval      = 5, /* ms */
 450                 .desc                   = "on_off button",
 451         },
 452 };
 453
 454 static struct gpio_keys_platform_data gpio_keys_platform_data = {
 455         .buttons        = gpio_keys_button,
 456         .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 457         .rep            = 0,
 458 };
 459
 460 static struct platform_device raumfeld_gpio_keys_device = {
 461         .name   = "gpio-keys",
 462         .id     = -1,
 463         .dev    = {
 464                 .platform_data  = &gpio_keys_platform_data,
 465         }
 466 };
 467
 468 /**
 469  * GPIO LEDs
 470  */
 471
 472 static struct gpio_led raumfeld_leds[] = {
 473         {
 474                 .name           = "raumfeld:1",
 475                 .gpio           = GPIO_LED1,
 476                 .active_low     = 1,
 477                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 478         },
 479         {
 480                 .name           = "raumfeld:2",
 481                 .gpio           = GPIO_LED2,
 482                 .active_low     = 0,
 483                 .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 484         }
 485 };
 486
 487 static struct gpio_led_platform_data raumfeld_led_platform_data = {
 488         .leds           = raumfeld_leds,
 489         .num_leds       = ARRAY_SIZE(raumfeld_leds),
 490 };
 491
 492 static struct platform_device raumfeld_led_device = {
 493         .name   = "leds-gpio",
 494         .id     = -1,
 495         .dev    = {
 496                 .platform_data = &raumfeld_led_platform_data,
 497         },
 498 };
 499
 500 /**
 501  * One-wire (W1 bus) support
 502  */
 503
 504 static void w1_enable_external_pullup(int enable)
 505 {
 506         gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 507         msleep(100);
 508 }
 509
 510 static struct w1_gpio_platform_data w1_gpio_platform_data = {
 511         .pin                    = GPIO_ONE_WIRE,
 512         .is_open_drain          = 0,
 513         .enable_external_pullup = w1_enable_external_pullup,
 514         .ext_pullup_enable_pin  = -EINVAL,
 515 };
 516
 517 static struct platform_device raumfeld_w1_gpio_device = {
 518         .name   = "w1-gpio",
 519         .dev    = {
 520                 .platform_data = &w1_gpio_platform_data
 521         }
 522 };
 523
 524 static void __init raumfeld_w1_init(void)
 525 {
 526         int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 527                                 "W1 external pullup enable");
 528
 529         if (ret < 0)
 530                 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 531         else
 532                 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 533
 534         platform_device_register(&raumfeld_w1_gpio_device);
 535 }
 536
 537 /**
 538  * Framebuffer device
 539  */
 540
 541 static struct pwm_lookup raumfeld_pwm_lookup[] = {
 542         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
 543                    PWM_POLARITY_NORMAL),
 544 };
 545
 546 /* PWM controlled backlight */
 547 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 548         .max_brightness = 100,
 549         .dft_brightness = 100,
 550         .enable_gpio    = -1,
 551 };
 552
 553 static struct platform_device raumfeld_pwm_backlight_device = {
 554         .name   = "pwm-backlight",
 555         .dev    = {
 556                 .parent         = &pxa27x_device_pwm0.dev,
 557                 .platform_data  = &raumfeld_pwm_backlight_data,
 558         }
 559 };
 560
 561 /* LT3593 controlled backlight */
 562 static struct gpio_led raumfeld_lt3593_led = {
 563         .name           = "backlight",
 564         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 565         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 566 };
 567
 568 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 569         .leds           = &raumfeld_lt3593_led,
 570         .num_leds       = 1,
 571 };
 572
 573 static struct platform_device raumfeld_lt3593_device = {
 574         .name   = "leds-lt3593",
 575         .id     = -1,
 576         .dev    = {
 577                 .platform_data = &raumfeld_lt3593_platform_data,
 578         },
 579 };
 580
 581 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 582         .pixclock       = 111000,
 583         .xres           = 480,
 584         .yres           = 272,
 585         .bpp            = 16,
 586         .hsync_len      = 41,
 587         .left_margin    = 2,
 588         .right_margin   = 1,
 589         .vsync_len      = 10,
 590         .upper_margin   = 3,
 591         .lower_margin   = 1,
 592         .sync           = 0,
 593 };
 594
 595 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 596         .modes          = &sharp_lq043t3dx02_mode,
 597         .num_modes      = 1,
 598         .video_mem_size = 0x400000,
 599         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 600 #ifdef CONFIG_PXA3XX_GCU
 601         .acceleration_enabled = 1,
 602 #endif
 603 };
 604
 605 static void __init raumfeld_lcd_init(void)
 606 {
 607         int ret;
 608
 609         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 610         if (ret < 0)
 611                 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
 612         else
 613                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 614
 615         msleep(100);
 616
 617         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 618         if (ret < 0)
 619                 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
 620         else
 621                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 622
 623         /* Hardware revision 2 has the backlight regulator controlled
 624          * by an LT3593, earlier and later devices use PWM for that. */
 625         if ((system_rev & 0xff) == 2) {
 626                 platform_device_register(&raumfeld_lt3593_device);
 627         } else {
 628                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 629                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 630                 pwm_add_table(raumfeld_pwm_lookup,
 631                               ARRAY_SIZE(raumfeld_pwm_lookup));
 632                 platform_device_register(&raumfeld_pwm_backlight_device);
 633         }
 634
 635         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 636         platform_device_register(&pxa3xx_device_gcu);
 637 }
 638
 639 /**
 640  * SPI devices
 641  */
 642
 643 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 644         .sck            = GPIO_SPI_CLK,
 645         .mosi           = GPIO_SPI_MOSI,
 646         .miso           = GPIO_SPI_MISO,
 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 lis3lv02d_platform_data lis3_pdata = {
 659         .click_flags    = LIS3_CLICK_SINGLE_X |
 660                           LIS3_CLICK_SINGLE_Y |
 661                           LIS3_CLICK_SINGLE_Z,
 662         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 663         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 664                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 665                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 666         .wakeup_thresh  = 10,
 667         .click_thresh_x = 10,
 668         .click_thresh_y = 10,
 669         .click_thresh_z = 10,
 670 };
 671
 672 #define SPI_AK4104      \
 673 {                       \
 674         .modalias       = "ak4104-codec",       \
 675         .max_speed_hz   = 10000,                \
 676         .bus_num        = 0,                    \
 677         .chip_select    = 0,                    \
 678         .controller_data = (void *) GPIO_SPDIF_CS,      \
 679 }
 680
 681 #define SPI_LIS3        \
 682 {                       \
 683         .modalias       = "lis3lv02d_spi",      \
 684         .max_speed_hz   = 1000000,              \
 685         .bus_num        = 0,                    \
 686         .chip_select    = 1,                    \
 687         .controller_data = (void *) GPIO_ACCEL_CS,      \
 688         .platform_data  = &lis3_pdata,          \
 689         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 690 }
 691
 692 #define SPI_DAC7512     \
 693 {       \
 694         .modalias       = "dac7512",            \
 695         .max_speed_hz   = 1000000,              \
 696         .bus_num        = 0,                    \
 697         .chip_select    = 2,                    \
 698         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 699 }
 700
 701 static struct spi_board_info connector_spi_devices[] __initdata = {
 702         SPI_AK4104,
 703         SPI_DAC7512,
 704 };
 705
 706 static struct spi_board_info speaker_spi_devices[] __initdata = {
 707         SPI_DAC7512,
 708 };
 709
 710 static struct spi_board_info controller_spi_devices[] __initdata = {
 711         SPI_LIS3,
 712 };
 713
 714 /**
 715  * MMC for Marvell Libertas 8688 via SDIO
 716  */
 717
 718 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 719 {
 720         gpio_set_value(GPIO_W2W_RESET, 1);
 721         gpio_set_value(GPIO_W2W_PDN, 1);
 722
 723         return 0;
 724 }
 725
 726 static void raumfeld_mci_exit(struct device *dev, void *data)
 727 {
 728         gpio_set_value(GPIO_W2W_RESET, 0);
 729         gpio_set_value(GPIO_W2W_PDN, 0);
 730 }
 731
 732 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 733         .init                   = raumfeld_mci_init,
 734         .exit                   = raumfeld_mci_exit,
 735         .detect_delay_ms        = 200,
 736         .gpio_card_detect       = -1,
 737         .gpio_card_ro           = -1,
 738         .gpio_power             = -1,
 739 };
 740
 741 /*
 742  * External power / charge logic
 743  */
 744
 745 static int power_supply_init(struct device *dev)
 746 {
 747         return 0;
 748 }
 749
 750 static void power_supply_exit(struct device *dev)
 751 {
 752 }
 753
 754 static int raumfeld_is_ac_online(void)
 755 {
 756         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 757 }
 758
 759 static int raumfeld_is_usb_online(void)
 760 {
 761         return 0;
 762 }
 763
 764 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 765
 766 static void raumfeld_power_signal_charged(void)
 767 {
 768         struct power_supply *psy =
 769                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
 770
 771         if (psy) {
 772                 power_supply_set_battery_charged(psy);
 773                 power_supply_put(psy);
 774         }
 775 }
 776
 777 static int raumfeld_power_resume(void)
 778 {
 779         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 780         if (!gpio_get_value(GPIO_CHARGE_DONE))
 781                 raumfeld_power_signal_charged();
 782
 783         return 0;
 784 }
 785
 786 static struct pda_power_pdata power_supply_info = {
 787         .init                   = power_supply_init,
 788         .is_ac_online           = raumfeld_is_ac_online,
 789         .is_usb_online          = raumfeld_is_usb_online,
 790         .exit                   = power_supply_exit,
 791         .supplied_to            = raumfeld_power_supplicants,
 792         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 793         .resume                 = raumfeld_power_resume,
 794 };
 795
 796 static struct resource power_supply_resources[] = {
 797         {
 798                 .name  = "ac",
 799                 .flags = IORESOURCE_IRQ |
 800                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 801                 .start = GPIO_CHARGE_DC_OK,
 802                 .end   = GPIO_CHARGE_DC_OK,
 803         },
 804 };
 805
 806 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 807 {
 808         raumfeld_power_signal_charged();
 809         return IRQ_HANDLED;
 810 }
 811
 812 static struct platform_device raumfeld_power_supply = {
 813         .name = "pda-power",
 814         .id   = -1,
 815         .dev  = {
 816                 .platform_data = &power_supply_info,
 817         },
 818         .resource      = power_supply_resources,
 819         .num_resources = ARRAY_SIZE(power_supply_resources),
 820 };
 821
 822 static void __init raumfeld_power_init(void)
 823 {
 824         int ret;
 825
 826         /* Set PEN2 high to enable maximum charge current */
 827         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 828         if (ret < 0)
 829                 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
 830         else
 831                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 832
 833         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 834         if (ret < 0)
 835                 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
 836
 837         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 838         if (ret < 0)
 839                 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
 840         else
 841                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 842
 843         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 844         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 845
 846         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 847                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 848                         "charge_done", NULL);
 849
 850         if (ret < 0)
 851                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 852                         GPIO_CHARGE_DONE);
 853         else
 854                 platform_device_register(&raumfeld_power_supply);
 855 }
 856
 857 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 858
 859 static struct regulator_consumer_supply audio_va_consumer_supply =
 860         REGULATOR_SUPPLY("va", "0-0048");
 861
 862 static struct regulator_init_data audio_va_initdata = {
 863         .consumer_supplies = &audio_va_consumer_supply,
 864         .num_consumer_supplies = 1,
 865         .constraints = {
 866                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 867         },
 868 };
 869
 870 static struct fixed_voltage_config audio_va_config = {
 871         .supply_name            = "audio_va",
 872         .microvolts             = 5000000,
 873         .gpio                   = GPIO_AUDIO_VA_ENABLE,
 874         .enable_high            = 1,
 875         .enabled_at_boot        = 0,
 876         .init_data              = &audio_va_initdata,
 877 };
 878
 879 static struct platform_device audio_va_device = {
 880         .name   = "reg-fixed-voltage",
 881         .id     = 0,
 882         .dev    = {
 883                 .platform_data = &audio_va_config,
 884         },
 885 };
 886
 887 /* Dummy supplies for Codec's VD/VLC */
 888
 889 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 890         REGULATOR_SUPPLY("vd", "0-0048"),
 891         REGULATOR_SUPPLY("vlc", "0-0048"),
 892 };
 893
 894 static struct regulator_init_data audio_dummy_initdata = {
 895         .consumer_supplies = audio_dummy_supplies,
 896         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 897         .constraints = {
 898                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 899         },
 900 };
 901
 902 static struct fixed_voltage_config audio_dummy_config = {
 903         .supply_name            = "audio_vd",
 904         .microvolts             = 3300000,
 905         .gpio                   = -1,
 906         .init_data              = &audio_dummy_initdata,
 907 };
 908
 909 static struct platform_device audio_supply_dummy_device = {
 910         .name   = "reg-fixed-voltage",
 911         .id     = 1,
 912         .dev    = {
 913                 .platform_data = &audio_dummy_config,
 914         },
 915 };
 916
 917 static struct platform_device *audio_regulator_devices[] = {
 918         &audio_va_device,
 919         &audio_supply_dummy_device,
 920 };
 921
 922 /**
 923  * Regulator support via MAX8660
 924  */
 925
 926 static struct regulator_consumer_supply vcc_mmc_supply =
 927         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 928
 929 static struct regulator_init_data vcc_mmc_init_data = {
 930         .constraints = {
 931                 .min_uV                 = 3300000,
 932                 .max_uV                 = 3300000,
 933                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 934                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 935                                           REGULATOR_CHANGE_VOLTAGE |
 936                                           REGULATOR_CHANGE_MODE,
 937         },
 938         .consumer_supplies = &vcc_mmc_supply,
 939         .num_consumer_supplies = 1,
 940 };
 941
 942 static struct max8660_subdev_data max8660_v6_subdev_data = {
 943         .id             = MAX8660_V6,
 944         .name           = "vmmc",
 945         .platform_data  = &vcc_mmc_init_data,
 946 };
 947
 948 static struct max8660_platform_data max8660_pdata = {
 949         .subdevs = &max8660_v6_subdev_data,
 950         .num_subdevs = 1,
 951 };
 952
 953 /**
 954  * I2C devices
 955  */
 956
 957 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 958         .type           = "max8660",
 959         .addr           = 0x34,
 960         .platform_data  = &max8660_pdata,
 961 };
 962
 963 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 964         .type   = "cs4270",
 965         .addr   = 0x48,
 966 };
 967
 968 static struct eeti_ts_platform_data eeti_ts_pdata = {
 969         .irq_active_high = 1,
 970         .irq_gpio = GPIO_TOUCH_IRQ,
 971 };
 972
 973 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 974         .type   = "eeti_ts",
 975         .addr   = 0x0a,
 976         .platform_data = &eeti_ts_pdata,
 977 };
 978
 979 static struct platform_device *raumfeld_common_devices[] = {
 980         &raumfeld_gpio_keys_device,
 981         &raumfeld_led_device,
 982         &raumfeld_spi_device,
 983 };
 984
 985 static void __init raumfeld_audio_init(void)
 986 {
 987         int ret;
 988
 989         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
 990         if (ret < 0)
 991                 pr_warn("unable to request GPIO_CODEC_RESET\n");
 992         else
 993                 gpio_direction_output(GPIO_CODEC_RESET, 1);
 994
 995         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
 996         if (ret < 0)
 997                 pr_warn("unable to request GPIO_SPDIF_RESET\n");
 998         else
 999                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1000
1001         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1002         if (ret < 0)
1003                 pr_warn("unable to request GPIO_MCLK_RESET\n");
1004         else
1005                 gpio_direction_output(GPIO_MCLK_RESET, 1);
1006
1007         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1008 }
1009
1010 static void __init raumfeld_common_init(void)
1011 {
1012         int ret;
1013
1014         /* The on/off button polarity has changed after revision 1 */
1015         if ((system_rev & 0xff) > 1) {
1016                 int i;
1017
1018                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1019                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1020                                 gpio_keys_button[i].active_low = 1;
1021         }
1022
1023         enable_irq_wake(IRQ_WAKEUP0);
1024
1025         pxa3xx_set_nand_info(&raumfeld_nand_info);
1026         pxa3xx_set_i2c_power_info(NULL);
1027         pxa_set_ohci_info(&raumfeld_ohci_info);
1028         pxa_set_mci_info(&raumfeld_mci_platform_data);
1029         pxa_set_i2c_info(NULL);
1030         pxa_set_ffuart_info(NULL);
1031
1032         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1033         if (ret < 0)
1034                 pr_warn("Unable to request GPIO_W2W_RESET\n");
1035         else
1036                 gpio_direction_output(GPIO_W2W_RESET, 0);
1037
1038         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1039         if (ret < 0)
1040                 pr_warn("Unable to request GPIO_W2W_PDN\n");
1041         else
1042                 gpio_direction_output(GPIO_W2W_PDN, 0);
1043
1044         /* this can be used to switch off the device */
1045         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1046         if (ret < 0)
1047                 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1048         else
1049                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1050
1051         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1052         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1053 }
1054
1055 static void __init __maybe_unused raumfeld_controller_init(void)
1056 {
1057         int ret;
1058
1059         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1060
1061         gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1062         device_add_properties(&rotary_encoder_device.dev,
1063                               raumfeld_rotary_properties);
1064         platform_device_register(&rotary_encoder_device);
1065
1066         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1067         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1068
1069         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1070         if (ret < 0)
1071                 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1072         else
1073                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1074
1075         raumfeld_common_init();
1076         raumfeld_power_init();
1077         raumfeld_lcd_init();
1078         raumfeld_w1_init();
1079 }
1080
1081 static void __init __maybe_unused raumfeld_connector_init(void)
1082 {
1083         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1084         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1085         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1086
1087         platform_device_register(&smc91x_device);
1088
1089         raumfeld_audio_init();
1090         raumfeld_common_init();
1091 }
1092
1093 static void __init __maybe_unused raumfeld_speaker_init(void)
1094 {
1095         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1096         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1097         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1098
1099         platform_device_register(&smc91x_device);
1100
1101         gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1102         device_add_properties(&rotary_encoder_device.dev,
1103                               raumfeld_rotary_properties);
1104         platform_device_register(&rotary_encoder_device);
1105
1106         raumfeld_audio_init();
1107         raumfeld_common_init();
1108 }
1109
1110 /* physical memory regions */
1111 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1112
1113 #ifdef CONFIG_MACH_RAUMFELD_RC
1114 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1115         .atag_offset    = 0x100,
1116         .init_machine   = raumfeld_controller_init,
1117         .map_io         = pxa3xx_map_io,
1118         .nr_irqs        = PXA_NR_IRQS,
1119         .init_irq       = pxa3xx_init_irq,
1120         .handle_irq     = pxa3xx_handle_irq,
1121         .init_time      = pxa_timer_init,
1122         .restart        = pxa_restart,
1123 MACHINE_END
1124 #endif
1125
1126 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1127 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1128         .atag_offset    = 0x100,
1129         .init_machine   = raumfeld_connector_init,
1130         .map_io         = pxa3xx_map_io,
1131         .nr_irqs        = PXA_NR_IRQS,
1132         .init_irq       = pxa3xx_init_irq,
1133         .handle_irq     = pxa3xx_handle_irq,
1134         .init_time      = pxa_timer_init,
1135         .restart        = pxa_restart,
1136 MACHINE_END
1137 #endif
1138
1139 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1140 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1141         .atag_offset    = 0x100,
1142         .init_machine   = raumfeld_speaker_init,
1143         .map_io         = pxa3xx_map_io,
1144         .nr_irqs        = PXA_NR_IRQS,
1145         .init_irq       = pxa3xx_init_irq,
1146         .handle_irq     = pxa3xx_handle_irq,
1147         .init_time      = pxa_timer_init,
1148         .restart        = pxa_restart,
1149 MACHINE_END
1150 #endif