linux/arch/arm/mach-omap1/board-ams-delta.c
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   1/*
   2 * linux/arch/arm/mach-omap1/board-ams-delta.c
   3 *
   4 * Modified from board-generic.c
   5 *
   6 * Board specific inits for the Amstrad E3 (codename Delta) videophone
   7 *
   8 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 */
  14#include <linux/gpio/driver.h>
  15#include <linux/gpio.h>
  16#include <linux/kernel.h>
  17#include <linux/init.h>
  18#include <linux/input.h>
  19#include <linux/interrupt.h>
  20#include <linux/leds.h>
  21#include <linux/platform_device.h>
  22#include <linux/regulator/consumer.h>
  23#include <linux/regulator/fixed.h>
  24#include <linux/regulator/machine.h>
  25#include <linux/serial_8250.h>
  26#include <linux/export.h>
  27#include <linux/omapfb.h>
  28#include <linux/io.h>
  29#include <linux/platform_data/gpio-omap.h>
  30
  31#include <media/soc_camera.h>
  32
  33#include <asm/serial.h>
  34#include <asm/mach-types.h>
  35#include <asm/mach/arch.h>
  36#include <asm/mach/map.h>
  37
  38#include <mach/board-ams-delta.h>
  39#include <linux/platform_data/keypad-omap.h>
  40#include <mach/mux.h>
  41
  42#include <mach/hardware.h>
  43#include <mach/ams-delta-fiq.h>
  44#include "camera.h"
  45#include <mach/usb.h>
  46
  47#include "iomap.h"
  48#include "common.h"
  49
  50static const unsigned int ams_delta_keymap[] = {
  51        KEY(0, 0, KEY_F1),              /* Advert    */
  52
  53        KEY(0, 3, KEY_COFFEE),          /* Games     */
  54        KEY(0, 2, KEY_QUESTION),        /* Directory */
  55        KEY(2, 3, KEY_CONNECT),         /* Internet  */
  56        KEY(1, 2, KEY_SHOP),            /* Services  */
  57        KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  58
  59        KEY(0, 1, KEY_DELETE),          /* Delete    */
  60        KEY(2, 2, KEY_PLAY),            /* Play      */
  61        KEY(1, 0, KEY_PAGEUP),          /* Up        */
  62        KEY(1, 3, KEY_PAGEDOWN),        /* Down      */
  63        KEY(2, 0, KEY_EMAIL),           /* ReadEmail */
  64        KEY(2, 1, KEY_STOP),            /* Stop      */
  65
  66        /* Numeric keypad portion */
  67        KEY(0, 7, KEY_KP1),
  68        KEY(0, 6, KEY_KP2),
  69        KEY(0, 5, KEY_KP3),
  70        KEY(1, 7, KEY_KP4),
  71        KEY(1, 6, KEY_KP5),
  72        KEY(1, 5, KEY_KP6),
  73        KEY(2, 7, KEY_KP7),
  74        KEY(2, 6, KEY_KP8),
  75        KEY(2, 5, KEY_KP9),
  76        KEY(3, 6, KEY_KP0),
  77        KEY(3, 7, KEY_KPASTERISK),
  78        KEY(3, 5, KEY_KPDOT),           /* # key     */
  79        KEY(7, 2, KEY_NUMLOCK),         /* Mute      */
  80        KEY(7, 1, KEY_KPMINUS),         /* Recall    */
  81        KEY(6, 1, KEY_KPPLUS),          /* Redial    */
  82        KEY(7, 6, KEY_KPSLASH),         /* Handsfree */
  83        KEY(6, 0, KEY_ENTER),           /* Video     */
  84
  85        KEY(7, 4, KEY_CAMERA),          /* Photo     */
  86
  87        KEY(0, 4, KEY_F2),              /* Home      */
  88        KEY(1, 4, KEY_F3),              /* Office    */
  89        KEY(2, 4, KEY_F4),              /* Mobile    */
  90        KEY(7, 7, KEY_F5),              /* SMS       */
  91        KEY(7, 5, KEY_F6),              /* Email     */
  92
  93        /* QWERTY portion of keypad */
  94        KEY(3, 4, KEY_Q),
  95        KEY(3, 3, KEY_W),
  96        KEY(3, 2, KEY_E),
  97        KEY(3, 1, KEY_R),
  98        KEY(3, 0, KEY_T),
  99        KEY(4, 7, KEY_Y),
 100        KEY(4, 6, KEY_U),
 101        KEY(4, 5, KEY_I),
 102        KEY(4, 4, KEY_O),
 103        KEY(4, 3, KEY_P),
 104
 105        KEY(4, 2, KEY_A),
 106        KEY(4, 1, KEY_S),
 107        KEY(4, 0, KEY_D),
 108        KEY(5, 7, KEY_F),
 109        KEY(5, 6, KEY_G),
 110        KEY(5, 5, KEY_H),
 111        KEY(5, 4, KEY_J),
 112        KEY(5, 3, KEY_K),
 113        KEY(5, 2, KEY_L),
 114
 115        KEY(5, 1, KEY_Z),
 116        KEY(5, 0, KEY_X),
 117        KEY(6, 7, KEY_C),
 118        KEY(6, 6, KEY_V),
 119        KEY(6, 5, KEY_B),
 120        KEY(6, 4, KEY_N),
 121        KEY(6, 3, KEY_M),
 122        KEY(6, 2, KEY_SPACE),
 123
 124        KEY(7, 0, KEY_LEFTSHIFT),       /* Vol up    */
 125        KEY(7, 3, KEY_LEFTCTRL),        /* Vol down  */
 126};
 127
 128#define LATCH1_PHYS     0x01000000
 129#define LATCH1_VIRT     0xEA000000
 130#define MODEM_PHYS      0x04000000
 131#define MODEM_VIRT      0xEB000000
 132#define LATCH2_PHYS     0x08000000
 133#define LATCH2_VIRT     0xEC000000
 134
 135static struct map_desc ams_delta_io_desc[] __initdata = {
 136        /* AMS_DELTA_LATCH1 */
 137        {
 138                .virtual        = LATCH1_VIRT,
 139                .pfn            = __phys_to_pfn(LATCH1_PHYS),
 140                .length         = 0x01000000,
 141                .type           = MT_DEVICE
 142        },
 143        /* AMS_DELTA_LATCH2 */
 144        {
 145                .virtual        = LATCH2_VIRT,
 146                .pfn            = __phys_to_pfn(LATCH2_PHYS),
 147                .length         = 0x01000000,
 148                .type           = MT_DEVICE
 149        },
 150        /* AMS_DELTA_MODEM */
 151        {
 152                .virtual        = MODEM_VIRT,
 153                .pfn            = __phys_to_pfn(MODEM_PHYS),
 154                .length         = 0x01000000,
 155                .type           = MT_DEVICE
 156        }
 157};
 158
 159static struct omap_lcd_config ams_delta_lcd_config __initdata = {
 160        .ctrl_name      = "internal",
 161};
 162
 163static struct omap_usb_config ams_delta_usb_config __initdata = {
 164        .register_host  = 1,
 165        .hmc_mode       = 16,
 166        .pins[0]        = 2,
 167};
 168
 169#define LATCH1_GPIO_BASE        232
 170#define LATCH1_NGPIO            8
 171
 172static struct resource latch1_resources[] = {
 173        [0] = {
 174                .name   = "dat",
 175                .start  = LATCH1_PHYS,
 176                .end    = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
 177                .flags  = IORESOURCE_MEM,
 178        },
 179};
 180
 181static struct bgpio_pdata latch1_pdata = {
 182        .base   = LATCH1_GPIO_BASE,
 183        .ngpio  = LATCH1_NGPIO,
 184};
 185
 186static struct platform_device latch1_gpio_device = {
 187        .name           = "basic-mmio-gpio",
 188        .id             = 0,
 189        .resource       = latch1_resources,
 190        .num_resources  = ARRAY_SIZE(latch1_resources),
 191        .dev            = {
 192                .platform_data  = &latch1_pdata,
 193        },
 194};
 195
 196static struct resource latch2_resources[] = {
 197        [0] = {
 198                .name   = "dat",
 199                .start  = LATCH2_PHYS,
 200                .end    = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
 201                .flags  = IORESOURCE_MEM,
 202        },
 203};
 204
 205static struct bgpio_pdata latch2_pdata = {
 206        .base   = AMS_DELTA_LATCH2_GPIO_BASE,
 207        .ngpio  = AMS_DELTA_LATCH2_NGPIO,
 208};
 209
 210static struct platform_device latch2_gpio_device = {
 211        .name           = "basic-mmio-gpio",
 212        .id             = 1,
 213        .resource       = latch2_resources,
 214        .num_resources  = ARRAY_SIZE(latch2_resources),
 215        .dev            = {
 216                .platform_data  = &latch2_pdata,
 217        },
 218};
 219
 220static const struct gpio latch_gpios[] __initconst = {
 221        {
 222                .gpio   = LATCH1_GPIO_BASE + 6,
 223                .flags  = GPIOF_OUT_INIT_LOW,
 224                .label  = "dockit1",
 225        },
 226        {
 227                .gpio   = LATCH1_GPIO_BASE + 7,
 228                .flags  = GPIOF_OUT_INIT_LOW,
 229                .label  = "dockit2",
 230        },
 231        {
 232                .gpio   = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
 233                .flags  = GPIOF_OUT_INIT_LOW,
 234                .label  = "scard_rstin",
 235        },
 236        {
 237                .gpio   = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
 238                .flags  = GPIOF_OUT_INIT_LOW,
 239                .label  = "scard_cmdvcc",
 240        },
 241        {
 242                .gpio   = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
 243                .flags  = GPIOF_OUT_INIT_LOW,
 244                .label  = "modem_codec",
 245        },
 246        {
 247                .gpio   = AMS_DELTA_LATCH2_GPIO_BASE + 14,
 248                .flags  = GPIOF_OUT_INIT_LOW,
 249                .label  = "hookflash1",
 250        },
 251        {
 252                .gpio   = AMS_DELTA_LATCH2_GPIO_BASE + 15,
 253                .flags  = GPIOF_OUT_INIT_LOW,
 254                .label  = "hookflash2",
 255        },
 256};
 257
 258static struct regulator_consumer_supply modem_nreset_consumers[] = {
 259        REGULATOR_SUPPLY("RESET#", "serial8250.1"),
 260        REGULATOR_SUPPLY("POR", "cx20442-codec"),
 261};
 262
 263static struct regulator_init_data modem_nreset_data = {
 264        .constraints            = {
 265                .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 266                .boot_on                = 1,
 267        },
 268        .num_consumer_supplies  = ARRAY_SIZE(modem_nreset_consumers),
 269        .consumer_supplies      = modem_nreset_consumers,
 270};
 271
 272static struct fixed_voltage_config modem_nreset_config = {
 273        .supply_name            = "modem_nreset",
 274        .microvolts             = 3300000,
 275        .gpio                   = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
 276        .startup_delay          = 25000,
 277        .enable_high            = 1,
 278        .enabled_at_boot        = 1,
 279        .init_data              = &modem_nreset_data,
 280};
 281
 282static struct platform_device modem_nreset_device = {
 283        .name   = "reg-fixed-voltage",
 284        .id     = -1,
 285        .dev    = {
 286                .platform_data  = &modem_nreset_config,
 287        },
 288};
 289
 290struct modem_private_data {
 291        struct regulator *regulator;
 292};
 293
 294static struct modem_private_data modem_priv;
 295
 296void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
 297{
 298        int bit = 0;
 299        u16 bitpos = 1 << bit;
 300
 301        for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
 302                if (!(mask & bitpos))
 303                        continue;
 304                else
 305                        gpio_set_value(base + bit, (value & bitpos) != 0);
 306        }
 307}
 308EXPORT_SYMBOL(ams_delta_latch_write);
 309
 310static struct resource ams_delta_nand_resources[] = {
 311        [0] = {
 312                .start  = OMAP1_MPUIO_BASE,
 313                .end    = OMAP1_MPUIO_BASE +
 314                                OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
 315                .flags  = IORESOURCE_MEM,
 316        },
 317};
 318
 319static struct platform_device ams_delta_nand_device = {
 320        .name   = "ams-delta-nand",
 321        .id     = -1,
 322        .num_resources  = ARRAY_SIZE(ams_delta_nand_resources),
 323        .resource       = ams_delta_nand_resources,
 324};
 325
 326static struct resource ams_delta_kp_resources[] = {
 327        [0] = {
 328                .start  = INT_KEYBOARD,
 329                .end    = INT_KEYBOARD,
 330                .flags  = IORESOURCE_IRQ,
 331        },
 332};
 333
 334static const struct matrix_keymap_data ams_delta_keymap_data = {
 335        .keymap         = ams_delta_keymap,
 336        .keymap_size    = ARRAY_SIZE(ams_delta_keymap),
 337};
 338
 339static struct omap_kp_platform_data ams_delta_kp_data = {
 340        .rows           = 8,
 341        .cols           = 8,
 342        .keymap_data    = &ams_delta_keymap_data,
 343        .delay          = 9,
 344};
 345
 346static struct platform_device ams_delta_kp_device = {
 347        .name           = "omap-keypad",
 348        .id             = -1,
 349        .dev            = {
 350                .platform_data = &ams_delta_kp_data,
 351        },
 352        .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 353        .resource       = ams_delta_kp_resources,
 354};
 355
 356static struct platform_device ams_delta_lcd_device = {
 357        .name   = "lcd_ams_delta",
 358        .id     = -1,
 359};
 360
 361static const struct gpio_led gpio_leds[] __initconst = {
 362        {
 363                .name            = "camera",
 364                .gpio            = LATCH1_GPIO_BASE + 0,
 365                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 366#ifdef CONFIG_LEDS_TRIGGERS
 367                .default_trigger = "ams_delta_camera",
 368#endif
 369        },
 370        {
 371                .name            = "advert",
 372                .gpio            = LATCH1_GPIO_BASE + 1,
 373                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 374        },
 375        {
 376                .name            = "email",
 377                .gpio            = LATCH1_GPIO_BASE + 2,
 378                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 379        },
 380        {
 381                .name            = "handsfree",
 382                .gpio            = LATCH1_GPIO_BASE + 3,
 383                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 384        },
 385        {
 386                .name            = "voicemail",
 387                .gpio            = LATCH1_GPIO_BASE + 4,
 388                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 389        },
 390        {
 391                .name            = "voice",
 392                .gpio            = LATCH1_GPIO_BASE + 5,
 393                .default_state   = LEDS_GPIO_DEFSTATE_OFF,
 394        },
 395};
 396
 397static const struct gpio_led_platform_data leds_pdata __initconst = {
 398        .leds           = gpio_leds,
 399        .num_leds       = ARRAY_SIZE(gpio_leds),
 400};
 401
 402static struct i2c_board_info ams_delta_camera_board_info[] = {
 403        {
 404                I2C_BOARD_INFO("ov6650", 0x60),
 405        },
 406};
 407
 408#ifdef CONFIG_LEDS_TRIGGERS
 409DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 410
 411static int ams_delta_camera_power(struct device *dev, int power)
 412{
 413        /*
 414         * turn on camera LED
 415         */
 416        if (power)
 417                led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 418        else
 419                led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 420        return 0;
 421}
 422#else
 423#define ams_delta_camera_power  NULL
 424#endif
 425
 426static struct soc_camera_link ams_delta_iclink = {
 427        .bus_id         = 0,    /* OMAP1 SoC camera bus */
 428        .i2c_adapter_id = 1,
 429        .board_info     = &ams_delta_camera_board_info[0],
 430        .module_name    = "ov6650",
 431        .power          = ams_delta_camera_power,
 432};
 433
 434static struct platform_device ams_delta_camera_device = {
 435        .name   = "soc-camera-pdrv",
 436        .id     = 0,
 437        .dev    = {
 438                .platform_data = &ams_delta_iclink,
 439        },
 440};
 441
 442static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 443        .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 444        .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 445};
 446
 447static struct platform_device ams_delta_audio_device = {
 448        .name   = "ams-delta-audio",
 449        .id     = -1,
 450};
 451
 452static struct platform_device cx20442_codec_device = {
 453        .name   = "cx20442-codec",
 454        .id     = -1,
 455};
 456
 457static struct platform_device *ams_delta_devices[] __initdata = {
 458        &latch1_gpio_device,
 459        &latch2_gpio_device,
 460        &ams_delta_kp_device,
 461        &ams_delta_camera_device,
 462        &ams_delta_audio_device,
 463};
 464
 465static struct platform_device *late_devices[] __initdata = {
 466        &ams_delta_nand_device,
 467        &ams_delta_lcd_device,
 468        &cx20442_codec_device,
 469};
 470
 471static void __init ams_delta_init(void)
 472{
 473        /* mux pins for uarts */
 474        omap_cfg_reg(UART1_TX);
 475        omap_cfg_reg(UART1_RTS);
 476
 477        /* parallel camera interface */
 478        omap_cfg_reg(H19_1610_CAM_EXCLK);
 479        omap_cfg_reg(J15_1610_CAM_LCLK);
 480        omap_cfg_reg(L18_1610_CAM_VS);
 481        omap_cfg_reg(L15_1610_CAM_HS);
 482        omap_cfg_reg(L19_1610_CAM_D0);
 483        omap_cfg_reg(K14_1610_CAM_D1);
 484        omap_cfg_reg(K15_1610_CAM_D2);
 485        omap_cfg_reg(K19_1610_CAM_D3);
 486        omap_cfg_reg(K18_1610_CAM_D4);
 487        omap_cfg_reg(J14_1610_CAM_D5);
 488        omap_cfg_reg(J19_1610_CAM_D6);
 489        omap_cfg_reg(J18_1610_CAM_D7);
 490
 491        omap_serial_init();
 492        omap_register_i2c_bus(1, 100, NULL, 0);
 493
 494        omap1_usb_init(&ams_delta_usb_config);
 495        omap1_set_camera_info(&ams_delta_camera_platform_data);
 496#ifdef CONFIG_LEDS_TRIGGERS
 497        led_trigger_register_simple("ams_delta_camera",
 498                        &ams_delta_camera_led_trigger);
 499#endif
 500        gpio_led_register_device(-1, &leds_pdata);
 501        platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 502
 503        ams_delta_init_fiq();
 504
 505        omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 506
 507        omapfb_set_lcd_config(&ams_delta_lcd_config);
 508}
 509
 510static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
 511{
 512        struct modem_private_data *priv = port->private_data;
 513
 514        if (IS_ERR(priv->regulator))
 515                return;
 516
 517        if (state == old)
 518                return;
 519
 520        if (state == 0)
 521                regulator_enable(priv->regulator);
 522        else if (old == 0)
 523                regulator_disable(priv->regulator);
 524}
 525
 526static struct plat_serial8250_port ams_delta_modem_ports[] = {
 527        {
 528                .membase        = IOMEM(MODEM_VIRT),
 529                .mapbase        = MODEM_PHYS,
 530                .irq            = -EINVAL, /* changed later */
 531                .flags          = UPF_BOOT_AUTOCONF,
 532                .irqflags       = IRQF_TRIGGER_RISING,
 533                .iotype         = UPIO_MEM,
 534                .regshift       = 1,
 535                .uartclk        = BASE_BAUD * 16,
 536                .pm             = modem_pm,
 537                .private_data   = &modem_priv,
 538        },
 539        { },
 540};
 541
 542static struct platform_device ams_delta_modem_device = {
 543        .name   = "serial8250",
 544        .id     = PLAT8250_DEV_PLATFORM1,
 545        .dev            = {
 546                .platform_data = ams_delta_modem_ports,
 547        },
 548};
 549
 550static int __init late_init(void)
 551{
 552        int err;
 553
 554        if (!machine_is_ams_delta())
 555                return -ENODEV;
 556
 557        err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
 558        if (err) {
 559                pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
 560                return err;
 561        }
 562
 563        platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
 564
 565        err = platform_device_register(&modem_nreset_device);
 566        if (err) {
 567                pr_err("Couldn't register the modem regulator device\n");
 568                return err;
 569        }
 570
 571        omap_cfg_reg(M14_1510_GPIO2);
 572        ams_delta_modem_ports[0].irq =
 573                        gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 574
 575        err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 576        if (err) {
 577                pr_err("Couldn't request gpio pin for modem\n");
 578                return err;
 579        }
 580        gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 581
 582        /* Initialize the modem_nreset regulator consumer before use */
 583        modem_priv.regulator = ERR_PTR(-ENODEV);
 584
 585        ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
 586                        AMS_DELTA_LATCH2_MODEM_CODEC);
 587
 588        err = platform_device_register(&ams_delta_modem_device);
 589        if (err)
 590                goto gpio_free;
 591
 592        /*
 593         * Once the modem device is registered, the modem_nreset
 594         * regulator can be requested on behalf of that device.
 595         */
 596        modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
 597                        "RESET#");
 598        if (IS_ERR(modem_priv.regulator)) {
 599                err = PTR_ERR(modem_priv.regulator);
 600                goto unregister;
 601        }
 602        return 0;
 603
 604unregister:
 605        platform_device_unregister(&ams_delta_modem_device);
 606gpio_free:
 607        gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 608        return err;
 609}
 610
 611static void __init ams_delta_init_late(void)
 612{
 613        omap1_init_late();
 614        late_init();
 615}
 616
 617static void __init ams_delta_map_io(void)
 618{
 619        omap15xx_map_io();
 620        iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 621}
 622
 623MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 624        /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 625        .atag_offset    = 0x100,
 626        .map_io         = ams_delta_map_io,
 627        .init_early     = omap1_init_early,
 628        .init_irq       = omap1_init_irq,
 629        .handle_irq     = omap1_handle_irq,
 630        .init_machine   = ams_delta_init,
 631        .init_late      = ams_delta_init_late,
 632        .init_time      = omap1_timer_init,
 633        .restart        = omap1_restart,
 634MACHINE_END
 635