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_backlight.h>
  33 #include <linux/i2c.h>
  34 #include <linux/i2c/pxa-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/system_info.h>
  47
  48 #include <asm/mach-types.h>
  49 #include <asm/mach/arch.h>
  50
  51 #include <mach/pxa300.h>
  52 #include <linux/platform_data/usb-ohci-pxa27x.h>
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  56
  57 #include "generic.h"
  58 #include "devices.h"
  59 #include "clock.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 };
 509
 510 struct platform_device raumfeld_w1_gpio_device = {
 511         .name   = "w1-gpio",
 512         .dev    = {
 513                 .platform_data = &w1_gpio_platform_data
 514         }
 515 };
 516
 517 static void __init raumfeld_w1_init(void)
 518 {
 519         int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 520                                 "W1 external pullup enable");
 521
 522         if (ret < 0)
 523                 pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 524         else
 525                 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 526
 527         platform_device_register(&raumfeld_w1_gpio_device);
 528 }
 529
 530 /**
 531  * Framebuffer device
 532  */
 533
 534 /* PWM controlled backlight */
 535 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 536         .pwm_id         = 0,
 537         .max_brightness = 100,
 538         .dft_brightness = 100,
 539         /* 10000 ns = 10 ms ^= 100 kHz */
 540         .pwm_period_ns  = 10000,
 541 };
 542
 543 static struct platform_device raumfeld_pwm_backlight_device = {
 544         .name   = "pwm-backlight",
 545         .dev    = {
 546                 .parent         = &pxa27x_device_pwm0.dev,
 547                 .platform_data  = &raumfeld_pwm_backlight_data,
 548         }
 549 };
 550
 551 /* LT3593 controlled backlight */
 552 static struct gpio_led raumfeld_lt3593_led = {
 553         .name           = "backlight",
 554         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 555         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 556 };
 557
 558 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 559         .leds           = &raumfeld_lt3593_led,
 560         .num_leds       = 1,
 561 };
 562
 563 static struct platform_device raumfeld_lt3593_device = {
 564         .name   = "leds-lt3593",
 565         .id     = -1,
 566         .dev    = {
 567                 .platform_data = &raumfeld_lt3593_platform_data,
 568         },
 569 };
 570
 571 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 572         .pixclock       = 111000,
 573         .xres           = 480,
 574         .yres           = 272,
 575         .bpp            = 16,
 576         .hsync_len      = 41,
 577         .left_margin    = 2,
 578         .right_margin   = 1,
 579         .vsync_len      = 10,
 580         .upper_margin   = 3,
 581         .lower_margin   = 1,
 582         .sync           = 0,
 583 };
 584
 585 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 586         .modes          = &sharp_lq043t3dx02_mode,
 587         .num_modes      = 1,
 588         .video_mem_size = 0x400000,
 589         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 590 #ifdef CONFIG_PXA3XX_GCU
 591         .acceleration_enabled = 1,
 592 #endif
 593 };
 594
 595 static void __init raumfeld_lcd_init(void)
 596 {
 597         int ret;
 598
 599         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 600         if (ret < 0)
 601                 pr_warning("Unable to request GPIO_TFT_VA_EN\n");
 602         else
 603                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 604
 605         msleep(100);
 606
 607         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 608         if (ret < 0)
 609                 pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
 610         else
 611                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 612
 613         /* Hardware revision 2 has the backlight regulator controlled
 614          * by an LT3593, earlier and later devices use PWM for that. */
 615         if ((system_rev & 0xff) == 2) {
 616                 platform_device_register(&raumfeld_lt3593_device);
 617         } else {
 618                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 619                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 620                 platform_device_register(&raumfeld_pwm_backlight_device);
 621         }
 622
 623         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 624         platform_device_register(&pxa3xx_device_gcu);
 625 }
 626
 627 /**
 628  * SPI devices
 629  */
 630
 631 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 632         .sck            = GPIO_SPI_CLK,
 633         .mosi           = GPIO_SPI_MOSI,
 634         .miso           = GPIO_SPI_MISO,
 635         .num_chipselect = 3,
 636 };
 637
 638 static struct platform_device raumfeld_spi_device = {
 639         .name   = "spi_gpio",
 640         .id     = 0,
 641         .dev    = {
 642                 .platform_data  = &raumfeld_spi_platform_data,
 643         }
 644 };
 645
 646 static struct lis3lv02d_platform_data lis3_pdata = {
 647         .click_flags    = LIS3_CLICK_SINGLE_X |
 648                           LIS3_CLICK_SINGLE_Y |
 649                           LIS3_CLICK_SINGLE_Z,
 650         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 651         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 652                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 653                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 654         .wakeup_thresh  = 10,
 655         .click_thresh_x = 10,
 656         .click_thresh_y = 10,
 657         .click_thresh_z = 10,
 658 };
 659
 660 #define SPI_AK4104      \
 661 {                       \
 662         .modalias       = "ak4104-codec",       \
 663         .max_speed_hz   = 10000,                \
 664         .bus_num        = 0,                    \
 665         .chip_select    = 0,                    \
 666         .controller_data = (void *) GPIO_SPDIF_CS,      \
 667 }
 668
 669 #define SPI_LIS3        \
 670 {                       \
 671         .modalias       = "lis3lv02d_spi",      \
 672         .max_speed_hz   = 1000000,              \
 673         .bus_num        = 0,                    \
 674         .chip_select    = 1,                    \
 675         .controller_data = (void *) GPIO_ACCEL_CS,      \
 676         .platform_data  = &lis3_pdata,          \
 677         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 678 }
 679
 680 #define SPI_DAC7512     \
 681 {       \
 682         .modalias       = "dac7512",            \
 683         .max_speed_hz   = 1000000,              \
 684         .bus_num        = 0,                    \
 685         .chip_select    = 2,                    \
 686         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 687 }
 688
 689 static struct spi_board_info connector_spi_devices[] __initdata = {
 690         SPI_AK4104,
 691         SPI_DAC7512,
 692 };
 693
 694 static struct spi_board_info speaker_spi_devices[] __initdata = {
 695         SPI_DAC7512,
 696 };
 697
 698 static struct spi_board_info controller_spi_devices[] __initdata = {
 699         SPI_LIS3,
 700 };
 701
 702 /**
 703  * MMC for Marvell Libertas 8688 via SDIO
 704  */
 705
 706 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 707 {
 708         gpio_set_value(GPIO_W2W_RESET, 1);
 709         gpio_set_value(GPIO_W2W_PDN, 1);
 710
 711         return 0;
 712 }
 713
 714 static void raumfeld_mci_exit(struct device *dev, void *data)
 715 {
 716         gpio_set_value(GPIO_W2W_RESET, 0);
 717         gpio_set_value(GPIO_W2W_PDN, 0);
 718 }
 719
 720 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 721         .init                   = raumfeld_mci_init,
 722         .exit                   = raumfeld_mci_exit,
 723         .detect_delay_ms        = 200,
 724         .gpio_card_detect       = -1,
 725         .gpio_card_ro           = -1,
 726         .gpio_power             = -1,
 727 };
 728
 729 /*
 730  * External power / charge logic
 731  */
 732
 733 static int power_supply_init(struct device *dev)
 734 {
 735         return 0;
 736 }
 737
 738 static void power_supply_exit(struct device *dev)
 739 {
 740 }
 741
 742 static int raumfeld_is_ac_online(void)
 743 {
 744         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 745 }
 746
 747 static int raumfeld_is_usb_online(void)
 748 {
 749         return 0;
 750 }
 751
 752 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 753
 754 static void raumfeld_power_signal_charged(void)
 755 {
 756         struct power_supply *psy =
 757                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
 758
 759         if (psy)
 760                 power_supply_set_battery_charged(psy);
 761 }
 762
 763 static int raumfeld_power_resume(void)
 764 {
 765         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 766         if (!gpio_get_value(GPIO_CHARGE_DONE))
 767                 raumfeld_power_signal_charged();
 768
 769         return 0;
 770 }
 771
 772 static struct pda_power_pdata power_supply_info = {
 773         .init                   = power_supply_init,
 774         .is_ac_online           = raumfeld_is_ac_online,
 775         .is_usb_online          = raumfeld_is_usb_online,
 776         .exit                   = power_supply_exit,
 777         .supplied_to            = raumfeld_power_supplicants,
 778         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 779         .resume                 = raumfeld_power_resume,
 780 };
 781
 782 static struct resource power_supply_resources[] = {
 783         {
 784                 .name  = "ac",
 785                 .flags = IORESOURCE_IRQ |
 786                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 787                 .start = GPIO_CHARGE_DC_OK,
 788                 .end   = GPIO_CHARGE_DC_OK,
 789         },
 790 };
 791
 792 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 793 {
 794         raumfeld_power_signal_charged();
 795         return IRQ_HANDLED;
 796 }
 797
 798 static struct platform_device raumfeld_power_supply = {
 799         .name = "pda-power",
 800         .id   = -1,
 801         .dev  = {
 802                 .platform_data = &power_supply_info,
 803         },
 804         .resource      = power_supply_resources,
 805         .num_resources = ARRAY_SIZE(power_supply_resources),
 806 };
 807
 808 static void __init raumfeld_power_init(void)
 809 {
 810         int ret;
 811
 812         /* Set PEN2 high to enable maximum charge current */
 813         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 814         if (ret < 0)
 815                 pr_warning("Unable to request GPIO_CHRG_PEN2\n");
 816         else
 817                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 818
 819         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 820         if (ret < 0)
 821                 pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
 822
 823         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 824         if (ret < 0)
 825                 pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
 826         else
 827                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 828
 829         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 830         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 831
 832         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 833                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 834                         "charge_done", NULL);
 835
 836         if (ret < 0)
 837                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 838                         GPIO_CHARGE_DONE);
 839         else
 840                 platform_device_register(&raumfeld_power_supply);
 841 }
 842
 843 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 844
 845 static struct regulator_consumer_supply audio_va_consumer_supply =
 846         REGULATOR_SUPPLY("va", "0-0048");
 847
 848 struct regulator_init_data audio_va_initdata = {
 849         .consumer_supplies = &audio_va_consumer_supply,
 850         .num_consumer_supplies = 1,
 851         .constraints = {
 852                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 853         },
 854 };
 855
 856 static struct fixed_voltage_config audio_va_config = {
 857         .supply_name            = "audio_va",
 858         .microvolts             = 5000000,
 859         .gpio                   = GPIO_AUDIO_VA_ENABLE,
 860         .enable_high            = 1,
 861         .enabled_at_boot        = 0,
 862         .init_data              = &audio_va_initdata,
 863 };
 864
 865 static struct platform_device audio_va_device = {
 866         .name   = "reg-fixed-voltage",
 867         .id     = 0,
 868         .dev    = {
 869                 .platform_data = &audio_va_config,
 870         },
 871 };
 872
 873 /* Dummy supplies for Codec's VD/VLC */
 874
 875 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 876         REGULATOR_SUPPLY("vd", "0-0048"),
 877         REGULATOR_SUPPLY("vlc", "0-0048"),
 878 };
 879
 880 struct regulator_init_data audio_dummy_initdata = {
 881         .consumer_supplies = audio_dummy_supplies,
 882         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 883         .constraints = {
 884                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 885         },
 886 };
 887
 888 static struct fixed_voltage_config audio_dummy_config = {
 889         .supply_name            = "audio_vd",
 890         .microvolts             = 3300000,
 891         .gpio                   = -1,
 892         .init_data              = &audio_dummy_initdata,
 893 };
 894
 895 static struct platform_device audio_supply_dummy_device = {
 896         .name   = "reg-fixed-voltage",
 897         .id     = 1,
 898         .dev    = {
 899                 .platform_data = &audio_dummy_config,
 900         },
 901 };
 902
 903 static struct platform_device *audio_regulator_devices[] = {
 904         &audio_va_device,
 905         &audio_supply_dummy_device,
 906 };
 907
 908 /**
 909  * Regulator support via MAX8660
 910  */
 911
 912 static struct regulator_consumer_supply vcc_mmc_supply =
 913         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 914
 915 static struct regulator_init_data vcc_mmc_init_data = {
 916         .constraints = {
 917                 .min_uV                 = 3300000,
 918                 .max_uV                 = 3300000,
 919                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 920                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 921                                           REGULATOR_CHANGE_VOLTAGE |
 922                                           REGULATOR_CHANGE_MODE,
 923         },
 924         .consumer_supplies = &vcc_mmc_supply,
 925         .num_consumer_supplies = 1,
 926 };
 927
 928 struct max8660_subdev_data max8660_v6_subdev_data = {
 929         .id             = MAX8660_V6,
 930         .name           = "vmmc",
 931         .platform_data  = &vcc_mmc_init_data,
 932 };
 933
 934 static struct max8660_platform_data max8660_pdata = {
 935         .subdevs = &max8660_v6_subdev_data,
 936         .num_subdevs = 1,
 937 };
 938
 939 /**
 940  * I2C devices
 941  */
 942
 943 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 944         .type           = "max8660",
 945         .addr           = 0x34,
 946         .platform_data  = &max8660_pdata,
 947 };
 948
 949 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 950         .type   = "cs4270",
 951         .addr   = 0x48,
 952 };
 953
 954 static struct eeti_ts_platform_data eeti_ts_pdata = {
 955         .irq_active_high = 1,
 956         .irq_gpio = GPIO_TOUCH_IRQ,
 957 };
 958
 959 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 960         .type   = "eeti_ts",
 961         .addr   = 0x0a,
 962         .platform_data = &eeti_ts_pdata,
 963 };
 964
 965 static struct platform_device *raumfeld_common_devices[] = {
 966         &raumfeld_gpio_keys_device,
 967         &raumfeld_led_device,
 968         &raumfeld_spi_device,
 969 };
 970
 971 static void __init raumfeld_audio_init(void)
 972 {
 973         int ret;
 974
 975         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
 976         if (ret < 0)
 977                 pr_warning("unable to request GPIO_CODEC_RESET\n");
 978         else
 979                 gpio_direction_output(GPIO_CODEC_RESET, 1);
 980
 981         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
 982         if (ret < 0)
 983                 pr_warning("unable to request GPIO_SPDIF_RESET\n");
 984         else
 985                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
 986
 987         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
 988         if (ret < 0)
 989                 pr_warning("unable to request GPIO_MCLK_RESET\n");
 990         else
 991                 gpio_direction_output(GPIO_MCLK_RESET, 1);
 992
 993         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
 994 }
 995
 996 static void __init raumfeld_common_init(void)
 997 {
 998         int ret;
 999
1000         /* The on/off button polarity has changed after revision 1 */
1001         if ((system_rev & 0xff) > 1) {
1002                 int i;
1003
1004                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1005                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1006                                 gpio_keys_button[i].active_low = 1;
1007         }
1008
1009         enable_irq_wake(IRQ_WAKEUP0);
1010
1011         pxa3xx_set_nand_info(&raumfeld_nand_info);
1012         pxa3xx_set_i2c_power_info(NULL);
1013         pxa_set_ohci_info(&raumfeld_ohci_info);
1014         pxa_set_mci_info(&raumfeld_mci_platform_data);
1015         pxa_set_i2c_info(NULL);
1016         pxa_set_ffuart_info(NULL);
1017
1018         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1019         if (ret < 0)
1020                 pr_warning("Unable to request GPIO_W2W_RESET\n");
1021         else
1022                 gpio_direction_output(GPIO_W2W_RESET, 0);
1023
1024         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1025         if (ret < 0)
1026                 pr_warning("Unable to request GPIO_W2W_PDN\n");
1027         else
1028                 gpio_direction_output(GPIO_W2W_PDN, 0);
1029
1030         /* this can be used to switch off the device */
1031         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1032         if (ret < 0)
1033                 pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1034         else
1035                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1036
1037         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1038         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1039 }
1040
1041 static void __init raumfeld_controller_init(void)
1042 {
1043         int ret;
1044
1045         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1046         platform_device_register(&rotary_encoder_device);
1047         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1048         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1049
1050         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1051         if (ret < 0)
1052                 pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
1053         else
1054                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1055
1056         raumfeld_common_init();
1057         raumfeld_power_init();
1058         raumfeld_lcd_init();
1059         raumfeld_w1_init();
1060 }
1061
1062 static void __init raumfeld_connector_init(void)
1063 {
1064         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1065         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1066         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1067
1068         platform_device_register(&smc91x_device);
1069
1070         raumfeld_audio_init();
1071         raumfeld_common_init();
1072 }
1073
1074 static void __init raumfeld_speaker_init(void)
1075 {
1076         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1077         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1078         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1079
1080         platform_device_register(&smc91x_device);
1081         platform_device_register(&rotary_encoder_device);
1082
1083         raumfeld_audio_init();
1084         raumfeld_common_init();
1085 }
1086
1087 /* physical memory regions */
1088 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1089
1090 #ifdef CONFIG_MACH_RAUMFELD_RC
1091 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1092         .atag_offset    = 0x100,
1093         .init_machine   = raumfeld_controller_init,
1094         .map_io         = pxa3xx_map_io,
1095         .nr_irqs        = PXA_NR_IRQS,
1096         .init_irq       = pxa3xx_init_irq,
1097         .handle_irq     = pxa3xx_handle_irq,
1098         .init_time      = pxa_timer_init,
1099         .restart        = pxa_restart,
1100 MACHINE_END
1101 #endif
1102
1103 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1104 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1105         .atag_offset    = 0x100,
1106         .init_machine   = raumfeld_connector_init,
1107         .map_io         = pxa3xx_map_io,
1108         .nr_irqs        = PXA_NR_IRQS,
1109         .init_irq       = pxa3xx_init_irq,
1110         .handle_irq     = pxa3xx_handle_irq,
1111         .init_time      = pxa_timer_init,
1112         .restart        = pxa_restart,
1113 MACHINE_END
1114 #endif
1115
1116 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1117 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1118         .atag_offset    = 0x100,
1119         .init_machine   = raumfeld_speaker_init,
1120         .map_io         = pxa3xx_map_io,
1121         .nr_irqs        = PXA_NR_IRQS,
1122         .init_irq       = pxa3xx_init_irq,
1123         .handle_irq     = pxa3xx_handle_irq,
1124         .init_time      = pxa_timer_init,
1125         .restart        = pxa_restart,
1126 MACHINE_END
1127 #endif