linux/arch/arm/mach-pxa/raumfeld.c
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   1/*
   2 * arch/arm/mach-pxa/raumfeld.c
   3 *
   4 * Support for the following Raumfeld devices:
   5 *
   6 *      * Controller
   7 *      * Connector
   8 *      * Speaker S/M
   9 *
  10 * See http://www.raumfeld.com for details.
  11 *
  12 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
  13 *
  14 * This program is free software; you can redistribute it and/or modify
  15 * it under the terms of the GNU General Public License version 2 as
  16 * published by the Free Software Foundation.
  17 */
  18
  19#include <linux/init.h>
  20#include <linux/kernel.h>
  21#include <linux/property.h>
  22#include <linux/platform_device.h>
  23#include <linux/interrupt.h>
  24#include <linux/gpio.h>
  25#include <linux/gpio/machine.h>
  26#include <linux/smsc911x.h>
  27#include <linux/input.h>
  28#include <linux/gpio_keys.h>
  29#include <linux/leds.h>
  30#include <linux/w1-gpio.h>
  31#include <linux/sched.h>
  32#include <linux/pwm.h>
  33#include <linux/pwm_backlight.h>
  34#include <linux/i2c.h>
  35#include <linux/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 "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 */
 107static 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
 180static 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
 236static 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
 290static 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
 303static 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
 310static 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
 324static 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
 348static 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
 360static 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
 369static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
 370        .dev_id = "rotary-encoder.0",
 371        .table = {
 372                GPIO_LOOKUP_IDX("gpio-0",
 373                                GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
 374                GPIO_LOOKUP_IDX("gpio-0",
 375                                GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
 376                { },
 377        },
 378};
 379
 380static const struct property_entry raumfeld_rotary_properties[] __initconst = {
 381        PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
 382        PROPERTY_ENTRY_INTEGER("linux,axis",                      u32, REL_X),
 383        PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis",    u32, 1),
 384        { },
 385};
 386
 387static struct platform_device rotary_encoder_device = {
 388        .name           = "rotary-encoder",
 389        .id             = 0,
 390};
 391
 392/**
 393 * GPIO buttons
 394 */
 395
 396static struct gpio_keys_button gpio_keys_button[] = {
 397        {
 398                .code                   = KEY_F1,
 399                .type                   = EV_KEY,
 400                .gpio                   = GPIO_KEY1,
 401                .active_low             = 1,
 402                .wakeup                 = 0,
 403                .debounce_interval      = 5, /* ms */
 404                .desc                   = "Button 1",
 405        },
 406        {
 407                .code                   = KEY_F2,
 408                .type                   = EV_KEY,
 409                .gpio                   = GPIO_KEY2,
 410                .active_low             = 1,
 411                .wakeup                 = 0,
 412                .debounce_interval      = 5, /* ms */
 413                .desc                   = "Button 2",
 414        },
 415        {
 416                .code                   = KEY_F3,
 417                .type                   = EV_KEY,
 418                .gpio                   = GPIO_KEY3,
 419                .active_low             = 1,
 420                .wakeup                 = 0,
 421                .debounce_interval      = 5, /* ms */
 422                .desc                   = "Button 3",
 423        },
 424        {
 425                .code                   = KEY_F4,
 426                .type                   = EV_KEY,
 427                .gpio                   = GPIO_RESCUE_BOOT,
 428                .active_low             = 0,
 429                .wakeup                 = 0,
 430                .debounce_interval      = 5, /* ms */
 431                .desc                   = "rescue boot button",
 432        },
 433        {
 434                .code                   = KEY_F5,
 435                .type                   = EV_KEY,
 436                .gpio                   = GPIO_DOCK_DETECT,
 437                .active_low             = 1,
 438                .wakeup                 = 0,
 439                .debounce_interval      = 5, /* ms */
 440                .desc                   = "dock detect",
 441        },
 442        {
 443                .code                   = KEY_F6,
 444                .type                   = EV_KEY,
 445                .gpio                   = GPIO_ON_OFF,
 446                .active_low             = 0,
 447                .wakeup                 = 0,
 448                .debounce_interval      = 5, /* ms */
 449                .desc                   = "on_off button",
 450        },
 451};
 452
 453static struct gpio_keys_platform_data gpio_keys_platform_data = {
 454        .buttons        = gpio_keys_button,
 455        .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 456        .rep            = 0,
 457};
 458
 459static struct platform_device raumfeld_gpio_keys_device = {
 460        .name   = "gpio-keys",
 461        .id     = -1,
 462        .dev    = {
 463                .platform_data  = &gpio_keys_platform_data,
 464        }
 465};
 466
 467/**
 468 * GPIO LEDs
 469 */
 470
 471static struct gpio_led raumfeld_leds[] = {
 472        {
 473                .name           = "raumfeld:1",
 474                .gpio           = GPIO_LED1,
 475                .active_low     = 1,
 476                .default_state  = LEDS_GPIO_DEFSTATE_ON,
 477        },
 478        {
 479                .name           = "raumfeld:2",
 480                .gpio           = GPIO_LED2,
 481                .active_low     = 0,
 482                .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 483        }
 484};
 485
 486static struct gpio_led_platform_data raumfeld_led_platform_data = {
 487        .leds           = raumfeld_leds,
 488        .num_leds       = ARRAY_SIZE(raumfeld_leds),
 489};
 490
 491static struct platform_device raumfeld_led_device = {
 492        .name   = "leds-gpio",
 493        .id     = -1,
 494        .dev    = {
 495                .platform_data = &raumfeld_led_platform_data,
 496        },
 497};
 498
 499/**
 500 * One-wire (W1 bus) support
 501 */
 502
 503static void w1_enable_external_pullup(int enable)
 504{
 505        gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 506        msleep(100);
 507}
 508
 509static struct w1_gpio_platform_data w1_gpio_platform_data = {
 510        .pin                    = GPIO_ONE_WIRE,
 511        .is_open_drain          = 0,
 512        .enable_external_pullup = w1_enable_external_pullup,
 513        .ext_pullup_enable_pin  = -EINVAL,
 514};
 515
 516static struct platform_device raumfeld_w1_gpio_device = {
 517        .name   = "w1-gpio",
 518        .dev    = {
 519                .platform_data = &w1_gpio_platform_data
 520        }
 521};
 522
 523static void __init raumfeld_w1_init(void)
 524{
 525        int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 526                                "W1 external pullup enable");
 527
 528        if (ret < 0)
 529                pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 530        else
 531                gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 532
 533        platform_device_register(&raumfeld_w1_gpio_device);
 534}
 535
 536/**
 537 * Framebuffer device
 538 */
 539
 540static struct pwm_lookup raumfeld_pwm_lookup[] = {
 541        PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
 542                   PWM_POLARITY_NORMAL),
 543};
 544
 545/* PWM controlled backlight */
 546static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 547        .max_brightness = 100,
 548        .dft_brightness = 100,
 549        .enable_gpio    = -1,
 550};
 551
 552static struct platform_device raumfeld_pwm_backlight_device = {
 553        .name   = "pwm-backlight",
 554        .dev    = {
 555                .parent         = &pxa27x_device_pwm0.dev,
 556                .platform_data  = &raumfeld_pwm_backlight_data,
 557        }
 558};
 559
 560/* LT3593 controlled backlight */
 561static struct gpio_led raumfeld_lt3593_led = {
 562        .name           = "backlight",
 563        .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 564        .default_state  = LEDS_GPIO_DEFSTATE_ON,
 565};
 566
 567static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 568        .leds           = &raumfeld_lt3593_led,
 569        .num_leds       = 1,
 570};
 571
 572static struct platform_device raumfeld_lt3593_device = {
 573        .name   = "leds-lt3593",
 574        .id     = -1,
 575        .dev    = {
 576                .platform_data = &raumfeld_lt3593_platform_data,
 577        },
 578};
 579
 580static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 581        .pixclock       = 111000,
 582        .xres           = 480,
 583        .yres           = 272,
 584        .bpp            = 16,
 585        .hsync_len      = 41,
 586        .left_margin    = 2,
 587        .right_margin   = 1,
 588        .vsync_len      = 10,
 589        .upper_margin   = 3,
 590        .lower_margin   = 1,
 591        .sync           = 0,
 592};
 593
 594static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 595        .modes          = &sharp_lq043t3dx02_mode,
 596        .num_modes      = 1,
 597        .video_mem_size = 0x400000,
 598        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 599#ifdef CONFIG_PXA3XX_GCU
 600        .acceleration_enabled = 1,
 601#endif
 602};
 603
 604static void __init raumfeld_lcd_init(void)
 605{
 606        int ret;
 607
 608        ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 609        if (ret < 0)
 610                pr_warn("Unable to request GPIO_TFT_VA_EN\n");
 611        else
 612                gpio_direction_output(GPIO_TFT_VA_EN, 1);
 613
 614        msleep(100);
 615
 616        ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 617        if (ret < 0)
 618                pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
 619        else
 620                gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 621
 622        /* Hardware revision 2 has the backlight regulator controlled
 623         * by an LT3593, earlier and later devices use PWM for that. */
 624        if ((system_rev & 0xff) == 2) {
 625                platform_device_register(&raumfeld_lt3593_device);
 626        } else {
 627                mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 628                pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 629                pwm_add_table(raumfeld_pwm_lookup,
 630                              ARRAY_SIZE(raumfeld_pwm_lookup));
 631                platform_device_register(&raumfeld_pwm_backlight_device);
 632        }
 633
 634        pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 635        platform_device_register(&pxa3xx_device_gcu);
 636}
 637
 638/**
 639 * SPI devices
 640 */
 641
 642static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 643        .sck            = GPIO_SPI_CLK,
 644        .mosi           = GPIO_SPI_MOSI,
 645        .miso           = GPIO_SPI_MISO,
 646        .num_chipselect = 3,
 647};
 648
 649static struct platform_device raumfeld_spi_device = {
 650        .name   = "spi_gpio",
 651        .id     = 0,
 652        .dev    = {
 653                .platform_data  = &raumfeld_spi_platform_data,
 654        }
 655};
 656
 657static struct lis3lv02d_platform_data lis3_pdata = {
 658        .click_flags    = LIS3_CLICK_SINGLE_X |
 659                          LIS3_CLICK_SINGLE_Y |
 660                          LIS3_CLICK_SINGLE_Z,
 661        .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 662        .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 663                          LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 664                          LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 665        .wakeup_thresh  = 10,
 666        .click_thresh_x = 10,
 667        .click_thresh_y = 10,
 668        .click_thresh_z = 10,
 669};
 670
 671#define SPI_AK4104      \
 672{                       \
 673        .modalias       = "ak4104-codec",       \
 674        .max_speed_hz   = 10000,                \
 675        .bus_num        = 0,                    \
 676        .chip_select    = 0,                    \
 677        .controller_data = (void *) GPIO_SPDIF_CS,      \
 678}
 679
 680#define SPI_LIS3        \
 681{                       \
 682        .modalias       = "lis3lv02d_spi",      \
 683        .max_speed_hz   = 1000000,              \
 684        .bus_num        = 0,                    \
 685        .chip_select    = 1,                    \
 686        .controller_data = (void *) GPIO_ACCEL_CS,      \
 687        .platform_data  = &lis3_pdata,          \
 688        .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 689}
 690
 691#define SPI_DAC7512     \
 692{       \
 693        .modalias       = "dac7512",            \
 694        .max_speed_hz   = 1000000,              \
 695        .bus_num        = 0,                    \
 696        .chip_select    = 2,                    \
 697        .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 698}
 699
 700static struct spi_board_info connector_spi_devices[] __initdata = {
 701        SPI_AK4104,
 702        SPI_DAC7512,
 703};
 704
 705static struct spi_board_info speaker_spi_devices[] __initdata = {
 706        SPI_DAC7512,
 707};
 708
 709static struct spi_board_info controller_spi_devices[] __initdata = {
 710        SPI_LIS3,
 711};
 712
 713/**
 714 * MMC for Marvell Libertas 8688 via SDIO
 715 */
 716
 717static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 718{
 719        gpio_set_value(GPIO_W2W_RESET, 1);
 720        gpio_set_value(GPIO_W2W_PDN, 1);
 721
 722        return 0;
 723}
 724
 725static void raumfeld_mci_exit(struct device *dev, void *data)
 726{
 727        gpio_set_value(GPIO_W2W_RESET, 0);
 728        gpio_set_value(GPIO_W2W_PDN, 0);
 729}
 730
 731static struct pxamci_platform_data raumfeld_mci_platform_data = {
 732        .init                   = raumfeld_mci_init,
 733        .exit                   = raumfeld_mci_exit,
 734        .detect_delay_ms        = 200,
 735        .gpio_card_detect       = -1,
 736        .gpio_card_ro           = -1,
 737        .gpio_power             = -1,
 738};
 739
 740/*
 741 * External power / charge logic
 742 */
 743
 744static int power_supply_init(struct device *dev)
 745{
 746        return 0;
 747}
 748
 749static void power_supply_exit(struct device *dev)
 750{
 751}
 752
 753static int raumfeld_is_ac_online(void)
 754{
 755        return !gpio_get_value(GPIO_CHARGE_DC_OK);
 756}
 757
 758static int raumfeld_is_usb_online(void)
 759{
 760        return 0;
 761}
 762
 763static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 764
 765static void raumfeld_power_signal_charged(void)
 766{
 767        struct power_supply *psy =
 768                power_supply_get_by_name(raumfeld_power_supplicants[0]);
 769
 770        if (psy) {
 771                power_supply_set_battery_charged(psy);
 772                power_supply_put(psy);
 773        }
 774}
 775
 776static int raumfeld_power_resume(void)
 777{
 778        /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 779        if (!gpio_get_value(GPIO_CHARGE_DONE))
 780                raumfeld_power_signal_charged();
 781
 782        return 0;
 783}
 784
 785static struct pda_power_pdata power_supply_info = {
 786        .init                   = power_supply_init,
 787        .is_ac_online           = raumfeld_is_ac_online,
 788        .is_usb_online          = raumfeld_is_usb_online,
 789        .exit                   = power_supply_exit,
 790        .supplied_to            = raumfeld_power_supplicants,
 791        .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 792        .resume                 = raumfeld_power_resume,
 793};
 794
 795static struct resource power_supply_resources[] = {
 796        {
 797                .name  = "ac",
 798                .flags = IORESOURCE_IRQ |
 799                         IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 800                .start = GPIO_CHARGE_DC_OK,
 801                .end   = GPIO_CHARGE_DC_OK,
 802        },
 803};
 804
 805static irqreturn_t charge_done_irq(int irq, void *dev_id)
 806{
 807        raumfeld_power_signal_charged();
 808        return IRQ_HANDLED;
 809}
 810
 811static struct platform_device raumfeld_power_supply = {
 812        .name = "pda-power",
 813        .id   = -1,
 814        .dev  = {
 815                .platform_data = &power_supply_info,
 816        },
 817        .resource      = power_supply_resources,
 818        .num_resources = ARRAY_SIZE(power_supply_resources),
 819};
 820
 821static void __init raumfeld_power_init(void)
 822{
 823        int ret;
 824
 825        /* Set PEN2 high to enable maximum charge current */
 826        ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 827        if (ret < 0)
 828                pr_warn("Unable to request GPIO_CHRG_PEN2\n");
 829        else
 830                gpio_direction_output(GPIO_CHRG_PEN2, 1);
 831
 832        ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 833        if (ret < 0)
 834                pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
 835
 836        ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 837        if (ret < 0)
 838                pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
 839        else
 840                gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 841
 842        power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 843        power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 844
 845        ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 846                        &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 847                        "charge_done", NULL);
 848
 849        if (ret < 0)
 850                printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 851                        GPIO_CHARGE_DONE);
 852        else
 853                platform_device_register(&raumfeld_power_supply);
 854}
 855
 856/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 857
 858static struct regulator_consumer_supply audio_va_consumer_supply =
 859        REGULATOR_SUPPLY("va", "0-0048");
 860
 861static struct regulator_init_data audio_va_initdata = {
 862        .consumer_supplies = &audio_va_consumer_supply,
 863        .num_consumer_supplies = 1,
 864        .constraints = {
 865                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 866        },
 867};
 868
 869static struct fixed_voltage_config audio_va_config = {
 870        .supply_name            = "audio_va",
 871        .microvolts             = 5000000,
 872        .gpio                   = GPIO_AUDIO_VA_ENABLE,
 873        .enable_high            = 1,
 874        .enabled_at_boot        = 0,
 875        .init_data              = &audio_va_initdata,
 876};
 877
 878static struct platform_device audio_va_device = {
 879        .name   = "reg-fixed-voltage",
 880        .id     = 0,
 881        .dev    = {
 882                .platform_data = &audio_va_config,
 883        },
 884};
 885
 886/* Dummy supplies for Codec's VD/VLC */
 887
 888static struct regulator_consumer_supply audio_dummy_supplies[] = {
 889        REGULATOR_SUPPLY("vd", "0-0048"),
 890        REGULATOR_SUPPLY("vlc", "0-0048"),
 891};
 892
 893static struct regulator_init_data audio_dummy_initdata = {
 894        .consumer_supplies = audio_dummy_supplies,
 895        .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 896        .constraints = {
 897                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 898        },
 899};
 900
 901static struct fixed_voltage_config audio_dummy_config = {
 902        .supply_name            = "audio_vd",
 903        .microvolts             = 3300000,
 904        .gpio                   = -1,
 905        .init_data              = &audio_dummy_initdata,
 906};
 907
 908static struct platform_device audio_supply_dummy_device = {
 909        .name   = "reg-fixed-voltage",
 910        .id     = 1,
 911        .dev    = {
 912                .platform_data = &audio_dummy_config,
 913        },
 914};
 915
 916static struct platform_device *audio_regulator_devices[] = {
 917        &audio_va_device,
 918        &audio_supply_dummy_device,
 919};
 920
 921/**
 922 * Regulator support via MAX8660
 923 */
 924
 925static struct regulator_consumer_supply vcc_mmc_supply =
 926        REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 927
 928static struct regulator_init_data vcc_mmc_init_data = {
 929        .constraints = {
 930                .min_uV                 = 3300000,
 931                .max_uV                 = 3300000,
 932                .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 933                .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 934                                          REGULATOR_CHANGE_VOLTAGE |
 935                                          REGULATOR_CHANGE_MODE,
 936        },
 937        .consumer_supplies = &vcc_mmc_supply,
 938        .num_consumer_supplies = 1,
 939};
 940
 941static struct max8660_subdev_data max8660_v6_subdev_data = {
 942        .id             = MAX8660_V6,
 943        .name           = "vmmc",
 944        .platform_data  = &vcc_mmc_init_data,
 945};
 946
 947static struct max8660_platform_data max8660_pdata = {
 948        .subdevs = &max8660_v6_subdev_data,
 949        .num_subdevs = 1,
 950};
 951
 952/**
 953 * I2C devices
 954 */
 955
 956static struct i2c_board_info raumfeld_pwri2c_board_info = {
 957        .type           = "max8660",
 958        .addr           = 0x34,
 959        .platform_data  = &max8660_pdata,
 960};
 961
 962static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 963        .type   = "cs4270",
 964        .addr   = 0x48,
 965};
 966
 967static struct gpiod_lookup_table raumfeld_controller_gpios_table = {
 968        .dev_id = "0-000a",
 969        .table = {
 970                GPIO_LOOKUP("gpio-pxa",
 971                            GPIO_TOUCH_IRQ, "attn", GPIO_ACTIVE_HIGH),
 972                { },
 973        },
 974};
 975
 976static const struct resource raumfeld_controller_resources[] __initconst = {
 977        {
 978                .start  = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
 979                .end    = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
 980                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
 981        },
 982};
 983
 984static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 985        .type   = "eeti_ts",
 986        .addr   = 0x0a,
 987        .resources = raumfeld_controller_resources,
 988        .num_resources = ARRAY_SIZE(raumfeld_controller_resources),
 989};
 990
 991static struct platform_device *raumfeld_common_devices[] = {
 992        &raumfeld_gpio_keys_device,
 993        &raumfeld_led_device,
 994        &raumfeld_spi_device,
 995};
 996
 997static void __init raumfeld_audio_init(void)
 998{
 999        int ret;
1000
1001        ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
1002        if (ret < 0)
1003                pr_warn("unable to request GPIO_CODEC_RESET\n");
1004        else
1005                gpio_direction_output(GPIO_CODEC_RESET, 1);
1006
1007        ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1008        if (ret < 0)
1009                pr_warn("unable to request GPIO_SPDIF_RESET\n");
1010        else
1011                gpio_direction_output(GPIO_SPDIF_RESET, 1);
1012
1013        ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1014        if (ret < 0)
1015                pr_warn("unable to request GPIO_MCLK_RESET\n");
1016        else
1017                gpio_direction_output(GPIO_MCLK_RESET, 1);
1018
1019        platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1020}
1021
1022static void __init raumfeld_common_init(void)
1023{
1024        int ret;
1025
1026        /* The on/off button polarity has changed after revision 1 */
1027        if ((system_rev & 0xff) > 1) {
1028                int i;
1029
1030                for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1031                        if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1032                                gpio_keys_button[i].active_low = 1;
1033        }
1034
1035        enable_irq_wake(IRQ_WAKEUP0);
1036
1037        pxa3xx_set_nand_info(&raumfeld_nand_info);
1038        pxa3xx_set_i2c_power_info(NULL);
1039        pxa_set_ohci_info(&raumfeld_ohci_info);
1040        pxa_set_mci_info(&raumfeld_mci_platform_data);
1041        pxa_set_i2c_info(NULL);
1042        pxa_set_ffuart_info(NULL);
1043
1044        ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1045        if (ret < 0)
1046                pr_warn("Unable to request GPIO_W2W_RESET\n");
1047        else
1048                gpio_direction_output(GPIO_W2W_RESET, 0);
1049
1050        ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1051        if (ret < 0)
1052                pr_warn("Unable to request GPIO_W2W_PDN\n");
1053        else
1054                gpio_direction_output(GPIO_W2W_PDN, 0);
1055
1056        /* this can be used to switch off the device */
1057        ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1058        if (ret < 0)
1059                pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1060        else
1061                gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1062
1063        platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1064        i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1065}
1066
1067static void __init __maybe_unused raumfeld_controller_init(void)
1068{
1069        int ret;
1070
1071        pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1072
1073        gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1074        device_add_properties(&rotary_encoder_device.dev,
1075                              raumfeld_rotary_properties);
1076        platform_device_register(&rotary_encoder_device);
1077
1078        spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1079
1080        gpiod_add_lookup_table(&raumfeld_controller_gpios_table);
1081        i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1082
1083        ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1084        if (ret < 0)
1085                pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1086        else
1087                gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1088
1089        raumfeld_common_init();
1090        raumfeld_power_init();
1091        raumfeld_lcd_init();
1092        raumfeld_w1_init();
1093}
1094
1095static void __init __maybe_unused raumfeld_connector_init(void)
1096{
1097        pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1098        spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1099        i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1100
1101        platform_device_register(&smc91x_device);
1102
1103        raumfeld_audio_init();
1104        raumfeld_common_init();
1105}
1106
1107static void __init __maybe_unused raumfeld_speaker_init(void)
1108{
1109        pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1110        spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1111        i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1112
1113        platform_device_register(&smc91x_device);
1114
1115        gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1116        device_add_properties(&rotary_encoder_device.dev,
1117                              raumfeld_rotary_properties);
1118        platform_device_register(&rotary_encoder_device);
1119
1120        raumfeld_audio_init();
1121        raumfeld_common_init();
1122}
1123
1124/* physical memory regions */
1125#define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1126
1127#ifdef CONFIG_MACH_RAUMFELD_RC
1128MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1129        .atag_offset    = 0x100,
1130        .init_machine   = raumfeld_controller_init,
1131        .map_io         = pxa3xx_map_io,
1132        .nr_irqs        = PXA_NR_IRQS,
1133        .init_irq       = pxa3xx_init_irq,
1134        .handle_irq     = pxa3xx_handle_irq,
1135        .init_time      = pxa_timer_init,
1136        .restart        = pxa_restart,
1137MACHINE_END
1138#endif
1139
1140#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1141MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1142        .atag_offset    = 0x100,
1143        .init_machine   = raumfeld_connector_init,
1144        .map_io         = pxa3xx_map_io,
1145        .nr_irqs        = PXA_NR_IRQS,
1146        .init_irq       = pxa3xx_init_irq,
1147        .handle_irq     = pxa3xx_handle_irq,
1148        .init_time      = pxa_timer_init,
1149        .restart        = pxa_restart,
1150MACHINE_END
1151#endif
1152
1153#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1154MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1155        .atag_offset    = 0x100,
1156        .init_machine   = raumfeld_speaker_init,
1157        .map_io         = pxa3xx_map_io,
1158        .nr_irqs        = PXA_NR_IRQS,
1159        .init_irq       = pxa3xx_init_irq,
1160        .handle_irq     = pxa3xx_handle_irq,
1161        .init_time      = pxa_timer_init,
1162        .restart        = pxa_restart,
1163MACHINE_END
1164#endif
1165