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/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 */
 108static 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
 181static 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
 237static 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
 291static 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
 304static 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
 311static 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
 325static 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
 349static 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
 361static 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
 370static 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
 381static 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
 388static struct platform_device rotary_encoder_device = {
 389        .name           = "rotary-encoder",
 390        .id             = 0,
 391};
 392
 393/**
 394 * GPIO buttons
 395 */
 396
 397static 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
 454static 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
 460static 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
 472static 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
 487static struct gpio_led_platform_data raumfeld_led_platform_data = {
 488        .leds           = raumfeld_leds,
 489        .num_leds       = ARRAY_SIZE(raumfeld_leds),
 490};
 491
 492static 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
 504static void w1_enable_external_pullup(int enable)
 505{
 506        gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 507        msleep(100);
 508}
 509
 510static 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
 517static struct platform_device raumfeld_w1_gpio_device = {
 518        .name   = "w1-gpio",
 519        .dev    = {
 520                .platform_data = &w1_gpio_platform_data
 521        }
 522};
 523
 524static 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
 541static 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 */
 547static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 548        .max_brightness = 100,
 549        .dft_brightness = 100,
 550        .enable_gpio    = -1,
 551};
 552
 553static 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 */
 562static 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
 568static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 569        .leds           = &raumfeld_lt3593_led,
 570        .num_leds       = 1,
 571};
 572
 573static 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
 581static 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
 595static 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
 605static 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
 643static 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
 650static 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
 658static 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
 701static struct spi_board_info connector_spi_devices[] __initdata = {
 702        SPI_AK4104,
 703        SPI_DAC7512,
 704};
 705
 706static struct spi_board_info speaker_spi_devices[] __initdata = {
 707        SPI_DAC7512,
 708};
 709
 710static struct spi_board_info controller_spi_devices[] __initdata = {
 711        SPI_LIS3,
 712};
 713
 714/**
 715 * MMC for Marvell Libertas 8688 via SDIO
 716 */
 717
 718static 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
 726static 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
 732static 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
 745static int power_supply_init(struct device *dev)
 746{
 747        return 0;
 748}
 749
 750static void power_supply_exit(struct device *dev)
 751{
 752}
 753
 754static int raumfeld_is_ac_online(void)
 755{
 756        return !gpio_get_value(GPIO_CHARGE_DC_OK);
 757}
 758
 759static int raumfeld_is_usb_online(void)
 760{
 761        return 0;
 762}
 763
 764static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 765
 766static 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
 777static 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
 786static 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
 796static 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
 806static irqreturn_t charge_done_irq(int irq, void *dev_id)
 807{
 808        raumfeld_power_signal_charged();
 809        return IRQ_HANDLED;
 810}
 811
 812static 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
 822static 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
 859static struct regulator_consumer_supply audio_va_consumer_supply =
 860        REGULATOR_SUPPLY("va", "0-0048");
 861
 862static 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
 870static 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
 879static 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
 889static struct regulator_consumer_supply audio_dummy_supplies[] = {
 890        REGULATOR_SUPPLY("vd", "0-0048"),
 891        REGULATOR_SUPPLY("vlc", "0-0048"),
 892};
 893
 894static 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
 902static 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
 909static 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
 917static 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
 926static struct regulator_consumer_supply vcc_mmc_supply =
 927        REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 928
 929static 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
 942static struct max8660_subdev_data max8660_v6_subdev_data = {
 943        .id             = MAX8660_V6,
 944        .name           = "vmmc",
 945        .platform_data  = &vcc_mmc_init_data,
 946};
 947
 948static struct max8660_platform_data max8660_pdata = {
 949        .subdevs = &max8660_v6_subdev_data,
 950        .num_subdevs = 1,
 951};
 952
 953/**
 954 * I2C devices
 955 */
 956
 957static struct i2c_board_info raumfeld_pwri2c_board_info = {
 958        .type           = "max8660",
 959        .addr           = 0x34,
 960        .platform_data  = &max8660_pdata,
 961};
 962
 963static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 964        .type   = "cs4270",
 965        .addr   = 0x48,
 966};
 967
 968static struct eeti_ts_platform_data eeti_ts_pdata = {
 969        .irq_active_high = 1,
 970        .irq_gpio = GPIO_TOUCH_IRQ,
 971};
 972
 973static 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
 979static struct platform_device *raumfeld_common_devices[] = {
 980        &raumfeld_gpio_keys_device,
 981        &raumfeld_led_device,
 982        &raumfeld_spi_device,
 983};
 984
 985static 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
1010static 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
1055static 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
1081static 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
1093static 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
1114MACHINE_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,
1123MACHINE_END
1124#endif
1125
1126#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1127MACHINE_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,
1136MACHINE_END
1137#endif
1138
1139#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1140MACHINE_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,
1149MACHINE_END
1150#endif
1151