arch/arm/mach-pxa/raumfeld.c

   1 /*
   2  * arch/arm/mach-pxa/raumfeld.c
   3  *
   4  * Support for the following Raumfeld devices:
   5  *
   6  *      * Controller
   7  *      * Connector
   8  *      * Speaker S/M
   9  *
  10  * See http://www.raumfeld.com for details.
  11  *
  12  * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/init.h>
  20 #include <linux/kernel.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/gpio.h>
  24 #include <linux/smsc911x.h>
  25 #include <linux/input.h>
  26 #include <linux/rotary_encoder.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/input/eeti_ts.h>
  29 #include <linux/leds.h>
  30 #include <linux/w1-gpio.h>
  31 #include <linux/sched.h>
  32 #include <linux/pwm_backlight.h>
  33 #include <linux/i2c.h>
  34 #include <linux/i2c/pxa-i2c.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/spi_gpio.h>
  37 #include <linux/lis3lv02d.h>
  38 #include <linux/pda_power.h>
  39 #include <linux/power_supply.h>
  40 #include <linux/regulator/max8660.h>
  41 #include <linux/regulator/machine.h>
  42 #include <linux/regulator/fixed.h>
  43 #include <linux/regulator/consumer.h>
  44 #include <linux/delay.h>
  45
  46 #include <asm/system_info.h>
  47
  48 #include <asm/mach-types.h>
  49 #include <asm/mach/arch.h>
  50
  51 #include <mach/pxa300.h>
  52 #include <linux/platform_data/usb-ohci-pxa27x.h>
  53 #include <linux/platform_data/video-pxafb.h>
  54 #include <linux/platform_data/mmc-pxamci.h>
  55 #include <linux/platform_data/mtd-nand-pxa3xx.h>
  56
  57 #include "generic.h"
  58 #include "devices.h"
  59
  60 /* common GPIO  definitions */
  61
  62 /* inputs */
  63 #define GPIO_ON_OFF             (14)
  64 #define GPIO_VOLENC_A           (19)
  65 #define GPIO_VOLENC_B           (20)
  66 #define GPIO_CHARGE_DONE        (23)
  67 #define GPIO_CHARGE_IND         (27)
  68 #define GPIO_TOUCH_IRQ          (32)
  69 #define GPIO_ETH_IRQ            (40)
  70 #define GPIO_SPI_MISO           (98)
  71 #define GPIO_ACCEL_IRQ          (104)
  72 #define GPIO_RESCUE_BOOT        (115)
  73 #define GPIO_DOCK_DETECT        (116)
  74 #define GPIO_KEY1               (117)
  75 #define GPIO_KEY2               (118)
  76 #define GPIO_KEY3               (119)
  77 #define GPIO_CHARGE_USB_OK      (112)
  78 #define GPIO_CHARGE_DC_OK       (101)
  79 #define GPIO_CHARGE_USB_SUSP    (102)
  80
  81 /* outputs */
  82 #define GPIO_SHUTDOWN_SUPPLY    (16)
  83 #define GPIO_SHUTDOWN_BATT      (18)
  84 #define GPIO_CHRG_PEN2          (31)
  85 #define GPIO_TFT_VA_EN          (33)
  86 #define GPIO_SPDIF_CS           (34)
  87 #define GPIO_LED2               (35)
  88 #define GPIO_LED1               (36)
  89 #define GPIO_SPDIF_RESET        (38)
  90 #define GPIO_SPI_CLK            (95)
  91 #define GPIO_MCLK_DAC_CS        (96)
  92 #define GPIO_SPI_MOSI           (97)
  93 #define GPIO_W1_PULLUP_ENABLE   (105)
  94 #define GPIO_DISPLAY_ENABLE     (106)
  95 #define GPIO_MCLK_RESET         (111)
  96 #define GPIO_W2W_RESET          (113)
  97 #define GPIO_W2W_PDN            (114)
  98 #define GPIO_CODEC_RESET        (120)
  99 #define GPIO_AUDIO_VA_ENABLE    (124)
 100 #define GPIO_ACCEL_CS           (125)
 101 #define GPIO_ONE_WIRE           (126)
 102
 103 /*
 104  * GPIO configurations
 105  */
 106 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
 107         /* UART1 */
 108         GPIO77_UART1_RXD,
 109         GPIO78_UART1_TXD,
 110         GPIO79_UART1_CTS,
 111         GPIO81_UART1_DSR,
 112         GPIO83_UART1_DTR,
 113         GPIO84_UART1_RTS,
 114
 115         /* UART3 */
 116         GPIO110_UART3_RXD,
 117
 118         /* USB Host */
 119         GPIO0_2_USBH_PEN,
 120         GPIO1_2_USBH_PWR,
 121
 122         /* I2C */
 123         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 124         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 125
 126         /* SPI */
 127         GPIO34_GPIO,    /* SPDIF_CS */
 128         GPIO96_GPIO,    /* MCLK_CS */
 129         GPIO125_GPIO,   /* ACCEL_CS */
 130
 131         /* MMC */
 132         GPIO3_MMC1_DAT0,
 133         GPIO4_MMC1_DAT1,
 134         GPIO5_MMC1_DAT2,
 135         GPIO6_MMC1_DAT3,
 136         GPIO7_MMC1_CLK,
 137         GPIO8_MMC1_CMD,
 138
 139         /* One-wire */
 140         GPIO126_GPIO | MFP_LPM_FLOAT,
 141         GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
 142
 143         /* CHRG_USB_OK */
 144         GPIO101_GPIO | MFP_PULL_HIGH,
 145         /* CHRG_USB_OK */
 146         GPIO112_GPIO | MFP_PULL_HIGH,
 147         /* CHRG_USB_SUSP */
 148         GPIO102_GPIO,
 149         /* DISPLAY_ENABLE */
 150         GPIO106_GPIO,
 151         /* DOCK_DETECT */
 152         GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 153
 154         /* LCD */
 155         GPIO54_LCD_LDD_0,
 156         GPIO55_LCD_LDD_1,
 157         GPIO56_LCD_LDD_2,
 158         GPIO57_LCD_LDD_3,
 159         GPIO58_LCD_LDD_4,
 160         GPIO59_LCD_LDD_5,
 161         GPIO60_LCD_LDD_6,
 162         GPIO61_LCD_LDD_7,
 163         GPIO62_LCD_LDD_8,
 164         GPIO63_LCD_LDD_9,
 165         GPIO64_LCD_LDD_10,
 166         GPIO65_LCD_LDD_11,
 167         GPIO66_LCD_LDD_12,
 168         GPIO67_LCD_LDD_13,
 169         GPIO68_LCD_LDD_14,
 170         GPIO69_LCD_LDD_15,
 171         GPIO70_LCD_LDD_16,
 172         GPIO71_LCD_LDD_17,
 173         GPIO72_LCD_FCLK,
 174         GPIO73_LCD_LCLK,
 175         GPIO74_LCD_PCLK,
 176         GPIO75_LCD_BIAS,
 177 };
 178
 179 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
 180         /* UART1 */
 181         GPIO77_UART1_RXD,
 182         GPIO78_UART1_TXD,
 183         GPIO79_UART1_CTS,
 184         GPIO81_UART1_DSR,
 185         GPIO83_UART1_DTR,
 186         GPIO84_UART1_RTS,
 187
 188         /* UART3 */
 189         GPIO110_UART3_RXD,
 190
 191         /* USB Host */
 192         GPIO0_2_USBH_PEN,
 193         GPIO1_2_USBH_PWR,
 194
 195         /* I2C */
 196         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 197         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 198
 199         /* SPI */
 200         GPIO34_GPIO,    /* SPDIF_CS */
 201         GPIO96_GPIO,    /* MCLK_CS */
 202         GPIO125_GPIO,   /* ACCEL_CS */
 203
 204         /* MMC */
 205         GPIO3_MMC1_DAT0,
 206         GPIO4_MMC1_DAT1,
 207         GPIO5_MMC1_DAT2,
 208         GPIO6_MMC1_DAT3,
 209         GPIO7_MMC1_CLK,
 210         GPIO8_MMC1_CMD,
 211
 212         /* Ethernet */
 213         GPIO1_nCS2,                     /* CS */
 214         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 215
 216         /* SSP for I2S */
 217         GPIO85_SSP1_SCLK,
 218         GPIO89_SSP1_EXTCLK,
 219         GPIO86_SSP1_FRM,
 220         GPIO87_SSP1_TXD,
 221         GPIO88_SSP1_RXD,
 222         GPIO90_SSP1_SYSCLK,
 223
 224         /* SSP2 for S/PDIF */
 225         GPIO25_SSP2_SCLK,
 226         GPIO26_SSP2_FRM,
 227         GPIO27_SSP2_TXD,
 228         GPIO29_SSP2_EXTCLK,
 229
 230         /* LEDs */
 231         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 232         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 233 };
 234
 235 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
 236         /* UART1 */
 237         GPIO77_UART1_RXD,
 238         GPIO78_UART1_TXD,
 239         GPIO79_UART1_CTS,
 240         GPIO81_UART1_DSR,
 241         GPIO83_UART1_DTR,
 242         GPIO84_UART1_RTS,
 243
 244         /* UART3 */
 245         GPIO110_UART3_RXD,
 246
 247         /* USB Host */
 248         GPIO0_2_USBH_PEN,
 249         GPIO1_2_USBH_PWR,
 250
 251         /* I2C */
 252         GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 253         GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
 254
 255         /* SPI */
 256         GPIO34_GPIO,    /* SPDIF_CS */
 257         GPIO96_GPIO,    /* MCLK_CS */
 258         GPIO125_GPIO,   /* ACCEL_CS */
 259
 260         /* MMC */
 261         GPIO3_MMC1_DAT0,
 262         GPIO4_MMC1_DAT1,
 263         GPIO5_MMC1_DAT2,
 264         GPIO6_MMC1_DAT3,
 265         GPIO7_MMC1_CLK,
 266         GPIO8_MMC1_CMD,
 267
 268         /* Ethernet */
 269         GPIO1_nCS2,                     /* CS */
 270         GPIO40_GPIO | MFP_PULL_HIGH,    /* IRQ */
 271
 272         /* SSP for I2S */
 273         GPIO85_SSP1_SCLK,
 274         GPIO89_SSP1_EXTCLK,
 275         GPIO86_SSP1_FRM,
 276         GPIO87_SSP1_TXD,
 277         GPIO88_SSP1_RXD,
 278         GPIO90_SSP1_SYSCLK,
 279
 280         /* LEDs */
 281         GPIO35_GPIO | MFP_LPM_PULL_LOW,
 282         GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
 283 };
 284
 285 /*
 286  * SMSC LAN9220 Ethernet
 287  */
 288
 289 static struct resource smc91x_resources[] = {
 290         {
 291                 .start  = PXA3xx_CS2_PHYS,
 292                 .end    = PXA3xx_CS2_PHYS + 0xfffff,
 293                 .flags  = IORESOURCE_MEM,
 294         },
 295         {
 296                 .start  = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 297                 .end    = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
 298                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
 299         }
 300 };
 301
 302 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
 303         .phy_interface  = PHY_INTERFACE_MODE_MII,
 304         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 305         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 306         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 307 };
 308
 309 static struct platform_device smc91x_device = {
 310         .name           = "smsc911x",
 311         .id             = -1,
 312         .num_resources  = ARRAY_SIZE(smc91x_resources),
 313         .resource       = smc91x_resources,
 314         .dev            = {
 315                 .platform_data = &raumfeld_smsc911x_config,
 316         }
 317 };
 318
 319 /**
 320  * NAND
 321  */
 322
 323 static struct mtd_partition raumfeld_nand_partitions[] = {
 324         {
 325                 .name           = "Bootloader",
 326                 .offset         = 0,
 327                 .size           = 0xa0000,
 328                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 329         },
 330         {
 331                 .name           = "BootloaderEnvironment",
 332                 .offset         = 0xa0000,
 333                 .size           = 0x20000,
 334         },
 335         {
 336                 .name           = "BootloaderSplashScreen",
 337                 .offset         = 0xc0000,
 338                 .size           = 0x60000,
 339         },
 340         {
 341                 .name           = "UBI",
 342                 .offset         = 0x120000,
 343                 .size           = MTDPART_SIZ_FULL,
 344         },
 345 };
 346
 347 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
 348         .enable_arbiter = 1,
 349         .keep_config    = 1,
 350         .num_cs         = 1,
 351         .parts[0]       = raumfeld_nand_partitions,
 352         .nr_parts[0]    = ARRAY_SIZE(raumfeld_nand_partitions),
 353 };
 354
 355 /**
 356  * USB (OHCI) support
 357  */
 358
 359 static struct pxaohci_platform_data raumfeld_ohci_info = {
 360         .port_mode      = PMM_GLOBAL_MODE,
 361         .flags          = ENABLE_PORT1,
 362 };
 363
 364 /**
 365  * Rotary encoder input device
 366  */
 367
 368 static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
 369         .steps          = 24,
 370         .axis           = REL_X,
 371         .relative_axis  = 1,
 372         .gpio_a         = GPIO_VOLENC_A,
 373         .gpio_b         = GPIO_VOLENC_B,
 374         .inverted_a     = 1,
 375         .inverted_b     = 0,
 376 };
 377
 378 static struct platform_device rotary_encoder_device = {
 379         .name           = "rotary-encoder",
 380         .id             = 0,
 381         .dev            = {
 382                 .platform_data = &raumfeld_rotary_encoder_info,
 383         }
 384 };
 385
 386 /**
 387  * GPIO buttons
 388  */
 389
 390 static struct gpio_keys_button gpio_keys_button[] = {
 391         {
 392                 .code                   = KEY_F1,
 393                 .type                   = EV_KEY,
 394                 .gpio                   = GPIO_KEY1,
 395                 .active_low             = 1,
 396                 .wakeup                 = 0,
 397                 .debounce_interval      = 5, /* ms */
 398                 .desc                   = "Button 1",
 399         },
 400         {
 401                 .code                   = KEY_F2,
 402                 .type                   = EV_KEY,
 403                 .gpio                   = GPIO_KEY2,
 404                 .active_low             = 1,
 405                 .wakeup                 = 0,
 406                 .debounce_interval      = 5, /* ms */
 407                 .desc                   = "Button 2",
 408         },
 409         {
 410                 .code                   = KEY_F3,
 411                 .type                   = EV_KEY,
 412                 .gpio                   = GPIO_KEY3,
 413                 .active_low             = 1,
 414                 .wakeup                 = 0,
 415                 .debounce_interval      = 5, /* ms */
 416                 .desc                   = "Button 3",
 417         },
 418         {
 419                 .code                   = KEY_F4,
 420                 .type                   = EV_KEY,
 421                 .gpio                   = GPIO_RESCUE_BOOT,
 422                 .active_low             = 0,
 423                 .wakeup                 = 0,
 424                 .debounce_interval      = 5, /* ms */
 425                 .desc                   = "rescue boot button",
 426         },
 427         {
 428                 .code                   = KEY_F5,
 429                 .type                   = EV_KEY,
 430                 .gpio                   = GPIO_DOCK_DETECT,
 431                 .active_low             = 1,
 432                 .wakeup                 = 0,
 433                 .debounce_interval      = 5, /* ms */
 434                 .desc                   = "dock detect",
 435         },
 436         {
 437                 .code                   = KEY_F6,
 438                 .type                   = EV_KEY,
 439                 .gpio                   = GPIO_ON_OFF,
 440                 .active_low             = 0,
 441                 .wakeup                 = 0,
 442                 .debounce_interval      = 5, /* ms */
 443                 .desc                   = "on_off button",
 444         },
 445 };
 446
 447 static struct gpio_keys_platform_data gpio_keys_platform_data = {
 448         .buttons        = gpio_keys_button,
 449         .nbuttons       = ARRAY_SIZE(gpio_keys_button),
 450         .rep            = 0,
 451 };
 452
 453 static struct platform_device raumfeld_gpio_keys_device = {
 454         .name   = "gpio-keys",
 455         .id     = -1,
 456         .dev    = {
 457                 .platform_data  = &gpio_keys_platform_data,
 458         }
 459 };
 460
 461 /**
 462  * GPIO LEDs
 463  */
 464
 465 static struct gpio_led raumfeld_leds[] = {
 466         {
 467                 .name           = "raumfeld:1",
 468                 .gpio           = GPIO_LED1,
 469                 .active_low     = 1,
 470                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 471         },
 472         {
 473                 .name           = "raumfeld:2",
 474                 .gpio           = GPIO_LED2,
 475                 .active_low     = 0,
 476                 .default_state  = LEDS_GPIO_DEFSTATE_OFF,
 477         }
 478 };
 479
 480 static struct gpio_led_platform_data raumfeld_led_platform_data = {
 481         .leds           = raumfeld_leds,
 482         .num_leds       = ARRAY_SIZE(raumfeld_leds),
 483 };
 484
 485 static struct platform_device raumfeld_led_device = {
 486         .name   = "leds-gpio",
 487         .id     = -1,
 488         .dev    = {
 489                 .platform_data = &raumfeld_led_platform_data,
 490         },
 491 };
 492
 493 /**
 494  * One-wire (W1 bus) support
 495  */
 496
 497 static void w1_enable_external_pullup(int enable)
 498 {
 499         gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
 500         msleep(100);
 501 }
 502
 503 static struct w1_gpio_platform_data w1_gpio_platform_data = {
 504         .pin                    = GPIO_ONE_WIRE,
 505         .is_open_drain          = 0,
 506         .enable_external_pullup = w1_enable_external_pullup,
 507         .ext_pullup_enable_pin  = -EINVAL,
 508 };
 509
 510 struct platform_device raumfeld_w1_gpio_device = {
 511         .name   = "w1-gpio",
 512         .dev    = {
 513                 .platform_data = &w1_gpio_platform_data
 514         }
 515 };
 516
 517 static void __init raumfeld_w1_init(void)
 518 {
 519         int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
 520                                 "W1 external pullup enable");
 521
 522         if (ret < 0)
 523                 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
 524         else
 525                 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
 526
 527         platform_device_register(&raumfeld_w1_gpio_device);
 528 }
 529
 530 /**
 531  * Framebuffer device
 532  */
 533
 534 /* PWM controlled backlight */
 535 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
 536         .pwm_id         = 0,
 537         .max_brightness = 100,
 538         .dft_brightness = 100,
 539         /* 10000 ns = 10 ms ^= 100 kHz */
 540         .pwm_period_ns  = 10000,
 541         .enable_gpio    = -1,
 542 };
 543
 544 static struct platform_device raumfeld_pwm_backlight_device = {
 545         .name   = "pwm-backlight",
 546         .dev    = {
 547                 .parent         = &pxa27x_device_pwm0.dev,
 548                 .platform_data  = &raumfeld_pwm_backlight_data,
 549         }
 550 };
 551
 552 /* LT3593 controlled backlight */
 553 static struct gpio_led raumfeld_lt3593_led = {
 554         .name           = "backlight",
 555         .gpio           = mfp_to_gpio(MFP_PIN_GPIO17),
 556         .default_state  = LEDS_GPIO_DEFSTATE_ON,
 557 };
 558
 559 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
 560         .leds           = &raumfeld_lt3593_led,
 561         .num_leds       = 1,
 562 };
 563
 564 static struct platform_device raumfeld_lt3593_device = {
 565         .name   = "leds-lt3593",
 566         .id     = -1,
 567         .dev    = {
 568                 .platform_data = &raumfeld_lt3593_platform_data,
 569         },
 570 };
 571
 572 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
 573         .pixclock       = 111000,
 574         .xres           = 480,
 575         .yres           = 272,
 576         .bpp            = 16,
 577         .hsync_len      = 41,
 578         .left_margin    = 2,
 579         .right_margin   = 1,
 580         .vsync_len      = 10,
 581         .upper_margin   = 3,
 582         .lower_margin   = 1,
 583         .sync           = 0,
 584 };
 585
 586 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
 587         .modes          = &sharp_lq043t3dx02_mode,
 588         .num_modes      = 1,
 589         .video_mem_size = 0x400000,
 590         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 591 #ifdef CONFIG_PXA3XX_GCU
 592         .acceleration_enabled = 1,
 593 #endif
 594 };
 595
 596 static void __init raumfeld_lcd_init(void)
 597 {
 598         int ret;
 599
 600         ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
 601         if (ret < 0)
 602                 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
 603         else
 604                 gpio_direction_output(GPIO_TFT_VA_EN, 1);
 605
 606         msleep(100);
 607
 608         ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
 609         if (ret < 0)
 610                 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
 611         else
 612                 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
 613
 614         /* Hardware revision 2 has the backlight regulator controlled
 615          * by an LT3593, earlier and later devices use PWM for that. */
 616         if ((system_rev & 0xff) == 2) {
 617                 platform_device_register(&raumfeld_lt3593_device);
 618         } else {
 619                 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
 620                 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
 621                 platform_device_register(&raumfeld_pwm_backlight_device);
 622         }
 623
 624         pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
 625         platform_device_register(&pxa3xx_device_gcu);
 626 }
 627
 628 /**
 629  * SPI devices
 630  */
 631
 632 struct spi_gpio_platform_data raumfeld_spi_platform_data = {
 633         .sck            = GPIO_SPI_CLK,
 634         .mosi           = GPIO_SPI_MOSI,
 635         .miso           = GPIO_SPI_MISO,
 636         .num_chipselect = 3,
 637 };
 638
 639 static struct platform_device raumfeld_spi_device = {
 640         .name   = "spi_gpio",
 641         .id     = 0,
 642         .dev    = {
 643                 .platform_data  = &raumfeld_spi_platform_data,
 644         }
 645 };
 646
 647 static struct lis3lv02d_platform_data lis3_pdata = {
 648         .click_flags    = LIS3_CLICK_SINGLE_X |
 649                           LIS3_CLICK_SINGLE_Y |
 650                           LIS3_CLICK_SINGLE_Z,
 651         .irq_cfg        = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
 652         .wakeup_flags   = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
 653                           LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
 654                           LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
 655         .wakeup_thresh  = 10,
 656         .click_thresh_x = 10,
 657         .click_thresh_y = 10,
 658         .click_thresh_z = 10,
 659 };
 660
 661 #define SPI_AK4104      \
 662 {                       \
 663         .modalias       = "ak4104-codec",       \
 664         .max_speed_hz   = 10000,                \
 665         .bus_num        = 0,                    \
 666         .chip_select    = 0,                    \
 667         .controller_data = (void *) GPIO_SPDIF_CS,      \
 668 }
 669
 670 #define SPI_LIS3        \
 671 {                       \
 672         .modalias       = "lis3lv02d_spi",      \
 673         .max_speed_hz   = 1000000,              \
 674         .bus_num        = 0,                    \
 675         .chip_select    = 1,                    \
 676         .controller_data = (void *) GPIO_ACCEL_CS,      \
 677         .platform_data  = &lis3_pdata,          \
 678         .irq            = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ),      \
 679 }
 680
 681 #define SPI_DAC7512     \
 682 {       \
 683         .modalias       = "dac7512",            \
 684         .max_speed_hz   = 1000000,              \
 685         .bus_num        = 0,                    \
 686         .chip_select    = 2,                    \
 687         .controller_data = (void *) GPIO_MCLK_DAC_CS,   \
 688 }
 689
 690 static struct spi_board_info connector_spi_devices[] __initdata = {
 691         SPI_AK4104,
 692         SPI_DAC7512,
 693 };
 694
 695 static struct spi_board_info speaker_spi_devices[] __initdata = {
 696         SPI_DAC7512,
 697 };
 698
 699 static struct spi_board_info controller_spi_devices[] __initdata = {
 700         SPI_LIS3,
 701 };
 702
 703 /**
 704  * MMC for Marvell Libertas 8688 via SDIO
 705  */
 706
 707 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
 708 {
 709         gpio_set_value(GPIO_W2W_RESET, 1);
 710         gpio_set_value(GPIO_W2W_PDN, 1);
 711
 712         return 0;
 713 }
 714
 715 static void raumfeld_mci_exit(struct device *dev, void *data)
 716 {
 717         gpio_set_value(GPIO_W2W_RESET, 0);
 718         gpio_set_value(GPIO_W2W_PDN, 0);
 719 }
 720
 721 static struct pxamci_platform_data raumfeld_mci_platform_data = {
 722         .init                   = raumfeld_mci_init,
 723         .exit                   = raumfeld_mci_exit,
 724         .detect_delay_ms        = 200,
 725         .gpio_card_detect       = -1,
 726         .gpio_card_ro           = -1,
 727         .gpio_power             = -1,
 728 };
 729
 730 /*
 731  * External power / charge logic
 732  */
 733
 734 static int power_supply_init(struct device *dev)
 735 {
 736         return 0;
 737 }
 738
 739 static void power_supply_exit(struct device *dev)
 740 {
 741 }
 742
 743 static int raumfeld_is_ac_online(void)
 744 {
 745         return !gpio_get_value(GPIO_CHARGE_DC_OK);
 746 }
 747
 748 static int raumfeld_is_usb_online(void)
 749 {
 750         return 0;
 751 }
 752
 753 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
 754
 755 static void raumfeld_power_signal_charged(void)
 756 {
 757         struct power_supply *psy =
 758                 power_supply_get_by_name(raumfeld_power_supplicants[0]);
 759
 760         if (psy) {
 761                 power_supply_set_battery_charged(psy);
 762                 power_supply_put(psy);
 763         }
 764 }
 765
 766 static int raumfeld_power_resume(void)
 767 {
 768         /* check if GPIO_CHARGE_DONE went low while we were sleeping */
 769         if (!gpio_get_value(GPIO_CHARGE_DONE))
 770                 raumfeld_power_signal_charged();
 771
 772         return 0;
 773 }
 774
 775 static struct pda_power_pdata power_supply_info = {
 776         .init                   = power_supply_init,
 777         .is_ac_online           = raumfeld_is_ac_online,
 778         .is_usb_online          = raumfeld_is_usb_online,
 779         .exit                   = power_supply_exit,
 780         .supplied_to            = raumfeld_power_supplicants,
 781         .num_supplicants        = ARRAY_SIZE(raumfeld_power_supplicants),
 782         .resume                 = raumfeld_power_resume,
 783 };
 784
 785 static struct resource power_supply_resources[] = {
 786         {
 787                 .name  = "ac",
 788                 .flags = IORESOURCE_IRQ |
 789                          IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
 790                 .start = GPIO_CHARGE_DC_OK,
 791                 .end   = GPIO_CHARGE_DC_OK,
 792         },
 793 };
 794
 795 static irqreturn_t charge_done_irq(int irq, void *dev_id)
 796 {
 797         raumfeld_power_signal_charged();
 798         return IRQ_HANDLED;
 799 }
 800
 801 static struct platform_device raumfeld_power_supply = {
 802         .name = "pda-power",
 803         .id   = -1,
 804         .dev  = {
 805                 .platform_data = &power_supply_info,
 806         },
 807         .resource      = power_supply_resources,
 808         .num_resources = ARRAY_SIZE(power_supply_resources),
 809 };
 810
 811 static void __init raumfeld_power_init(void)
 812 {
 813         int ret;
 814
 815         /* Set PEN2 high to enable maximum charge current */
 816         ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
 817         if (ret < 0)
 818                 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
 819         else
 820                 gpio_direction_output(GPIO_CHRG_PEN2, 1);
 821
 822         ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
 823         if (ret < 0)
 824                 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
 825
 826         ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
 827         if (ret < 0)
 828                 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
 829         else
 830                 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
 831
 832         power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
 833         power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
 834
 835         ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
 836                         &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
 837                         "charge_done", NULL);
 838
 839         if (ret < 0)
 840                 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
 841                         GPIO_CHARGE_DONE);
 842         else
 843                 platform_device_register(&raumfeld_power_supply);
 844 }
 845
 846 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
 847
 848 static struct regulator_consumer_supply audio_va_consumer_supply =
 849         REGULATOR_SUPPLY("va", "0-0048");
 850
 851 struct regulator_init_data audio_va_initdata = {
 852         .consumer_supplies = &audio_va_consumer_supply,
 853         .num_consumer_supplies = 1,
 854         .constraints = {
 855                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 856         },
 857 };
 858
 859 static struct fixed_voltage_config audio_va_config = {
 860         .supply_name            = "audio_va",
 861         .microvolts             = 5000000,
 862         .gpio                   = GPIO_AUDIO_VA_ENABLE,
 863         .enable_high            = 1,
 864         .enabled_at_boot        = 0,
 865         .init_data              = &audio_va_initdata,
 866 };
 867
 868 static struct platform_device audio_va_device = {
 869         .name   = "reg-fixed-voltage",
 870         .id     = 0,
 871         .dev    = {
 872                 .platform_data = &audio_va_config,
 873         },
 874 };
 875
 876 /* Dummy supplies for Codec's VD/VLC */
 877
 878 static struct regulator_consumer_supply audio_dummy_supplies[] = {
 879         REGULATOR_SUPPLY("vd", "0-0048"),
 880         REGULATOR_SUPPLY("vlc", "0-0048"),
 881 };
 882
 883 struct regulator_init_data audio_dummy_initdata = {
 884         .consumer_supplies = audio_dummy_supplies,
 885         .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
 886         .constraints = {
 887                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 888         },
 889 };
 890
 891 static struct fixed_voltage_config audio_dummy_config = {
 892         .supply_name            = "audio_vd",
 893         .microvolts             = 3300000,
 894         .gpio                   = -1,
 895         .init_data              = &audio_dummy_initdata,
 896 };
 897
 898 static struct platform_device audio_supply_dummy_device = {
 899         .name   = "reg-fixed-voltage",
 900         .id     = 1,
 901         .dev    = {
 902                 .platform_data = &audio_dummy_config,
 903         },
 904 };
 905
 906 static struct platform_device *audio_regulator_devices[] = {
 907         &audio_va_device,
 908         &audio_supply_dummy_device,
 909 };
 910
 911 /**
 912  * Regulator support via MAX8660
 913  */
 914
 915 static struct regulator_consumer_supply vcc_mmc_supply =
 916         REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
 917
 918 static struct regulator_init_data vcc_mmc_init_data = {
 919         .constraints = {
 920                 .min_uV                 = 3300000,
 921                 .max_uV                 = 3300000,
 922                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 923                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS |
 924                                           REGULATOR_CHANGE_VOLTAGE |
 925                                           REGULATOR_CHANGE_MODE,
 926         },
 927         .consumer_supplies = &vcc_mmc_supply,
 928         .num_consumer_supplies = 1,
 929 };
 930
 931 struct max8660_subdev_data max8660_v6_subdev_data = {
 932         .id             = MAX8660_V6,
 933         .name           = "vmmc",
 934         .platform_data  = &vcc_mmc_init_data,
 935 };
 936
 937 static struct max8660_platform_data max8660_pdata = {
 938         .subdevs = &max8660_v6_subdev_data,
 939         .num_subdevs = 1,
 940 };
 941
 942 /**
 943  * I2C devices
 944  */
 945
 946 static struct i2c_board_info raumfeld_pwri2c_board_info = {
 947         .type           = "max8660",
 948         .addr           = 0x34,
 949         .platform_data  = &max8660_pdata,
 950 };
 951
 952 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
 953         .type   = "cs4270",
 954         .addr   = 0x48,
 955 };
 956
 957 static struct eeti_ts_platform_data eeti_ts_pdata = {
 958         .irq_active_high = 1,
 959         .irq_gpio = GPIO_TOUCH_IRQ,
 960 };
 961
 962 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
 963         .type   = "eeti_ts",
 964         .addr   = 0x0a,
 965         .platform_data = &eeti_ts_pdata,
 966 };
 967
 968 static struct platform_device *raumfeld_common_devices[] = {
 969         &raumfeld_gpio_keys_device,
 970         &raumfeld_led_device,
 971         &raumfeld_spi_device,
 972 };
 973
 974 static void __init raumfeld_audio_init(void)
 975 {
 976         int ret;
 977
 978         ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
 979         if (ret < 0)
 980                 pr_warn("unable to request GPIO_CODEC_RESET\n");
 981         else
 982                 gpio_direction_output(GPIO_CODEC_RESET, 1);
 983
 984         ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
 985         if (ret < 0)
 986                 pr_warn("unable to request GPIO_SPDIF_RESET\n");
 987         else
 988                 gpio_direction_output(GPIO_SPDIF_RESET, 1);
 989
 990         ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
 991         if (ret < 0)
 992                 pr_warn("unable to request GPIO_MCLK_RESET\n");
 993         else
 994                 gpio_direction_output(GPIO_MCLK_RESET, 1);
 995
 996         platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
 997 }
 998
 999 static void __init raumfeld_common_init(void)
1000 {
1001         int ret;
1002
1003         /* The on/off button polarity has changed after revision 1 */
1004         if ((system_rev & 0xff) > 1) {
1005                 int i;
1006
1007                 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1008                         if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1009                                 gpio_keys_button[i].active_low = 1;
1010         }
1011
1012         enable_irq_wake(IRQ_WAKEUP0);
1013
1014         pxa3xx_set_nand_info(&raumfeld_nand_info);
1015         pxa3xx_set_i2c_power_info(NULL);
1016         pxa_set_ohci_info(&raumfeld_ohci_info);
1017         pxa_set_mci_info(&raumfeld_mci_platform_data);
1018         pxa_set_i2c_info(NULL);
1019         pxa_set_ffuart_info(NULL);
1020
1021         ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1022         if (ret < 0)
1023                 pr_warn("Unable to request GPIO_W2W_RESET\n");
1024         else
1025                 gpio_direction_output(GPIO_W2W_RESET, 0);
1026
1027         ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1028         if (ret < 0)
1029                 pr_warn("Unable to request GPIO_W2W_PDN\n");
1030         else
1031                 gpio_direction_output(GPIO_W2W_PDN, 0);
1032
1033         /* this can be used to switch off the device */
1034         ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1035         if (ret < 0)
1036                 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1037         else
1038                 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1039
1040         platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1041         i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1042 }
1043
1044 static void __init raumfeld_controller_init(void)
1045 {
1046         int ret;
1047
1048         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1049         platform_device_register(&rotary_encoder_device);
1050         spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1051         i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1052
1053         ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1054         if (ret < 0)
1055                 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1056         else
1057                 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1058
1059         raumfeld_common_init();
1060         raumfeld_power_init();
1061         raumfeld_lcd_init();
1062         raumfeld_w1_init();
1063 }
1064
1065 static void __init raumfeld_connector_init(void)
1066 {
1067         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1068         spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1069         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1070
1071         platform_device_register(&smc91x_device);
1072
1073         raumfeld_audio_init();
1074         raumfeld_common_init();
1075 }
1076
1077 static void __init raumfeld_speaker_init(void)
1078 {
1079         pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1080         spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1081         i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1082
1083         platform_device_register(&smc91x_device);
1084         platform_device_register(&rotary_encoder_device);
1085
1086         raumfeld_audio_init();
1087         raumfeld_common_init();
1088 }
1089
1090 /* physical memory regions */
1091 #define RAUMFELD_SDRAM_BASE     0xa0000000      /* SDRAM region */
1092
1093 #ifdef CONFIG_MACH_RAUMFELD_RC
1094 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1095         .atag_offset    = 0x100,
1096         .init_machine   = raumfeld_controller_init,
1097         .map_io         = pxa3xx_map_io,
1098         .nr_irqs        = PXA_NR_IRQS,
1099         .init_irq       = pxa3xx_init_irq,
1100         .handle_irq     = pxa3xx_handle_irq,
1101         .init_time      = pxa_timer_init,
1102         .restart        = pxa_restart,
1103 MACHINE_END
1104 #endif
1105
1106 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1107 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1108         .atag_offset    = 0x100,
1109         .init_machine   = raumfeld_connector_init,
1110         .map_io         = pxa3xx_map_io,
1111         .nr_irqs        = PXA_NR_IRQS,
1112         .init_irq       = pxa3xx_init_irq,
1113         .handle_irq     = pxa3xx_handle_irq,
1114         .init_time      = pxa_timer_init,
1115         .restart        = pxa_restart,
1116 MACHINE_END
1117 #endif
1118
1119 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1120 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1121         .atag_offset    = 0x100,
1122         .init_machine   = raumfeld_speaker_init,
1123         .map_io         = pxa3xx_map_io,
1124         .nr_irqs        = PXA_NR_IRQS,
1125         .init_irq       = pxa3xx_init_irq,
1126         .handle_irq     = pxa3xx_handle_irq,
1127         .init_time      = pxa_timer_init,
1128         .restart        = pxa_restart,
1129 MACHINE_END
1130 #endif