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