arch/arm/mach-omap2/board-n800.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-n800.c
   3  *
   4  * Copyright (C) 2005 Nokia Corporation
   5  * Author: Juha Yrjola <juha.yrjola@nokia.com>
   6  *
   7  * Modified from mach-omap2/board-generic.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/clk.h>
  17 #include <linux/device.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/spi/tsc2301.h>
  21 #include <linux/input.h>
  22 #include <linux/delay.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <asm/hardware.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/arch/gpio.h>
  30 #include <asm/arch/usb.h>
  31 #include <asm/arch/board.h>
  32 #include <asm/arch/common.h>
  33 #include <asm/arch/mcspi.h>
  34 #include <asm/arch/menelaus.h>
  35 #include <asm/arch/lcd_mipid.h>
  36 #include <asm/arch/clock.h>
  37 #include <asm/arch/gpio-switch.h>
  38 #include <asm/arch/omapfb.h>
  39 #include <asm/arch/blizzard.h>
  40
  41 #include <../drivers/cbus/tahvo.h>
  42
  43 #define N800_BLIZZARD_POWERDOWN_GPIO 15
  44 #define N800_STI_GPIO           62
  45 #define N800_CAM_SENSOR_RESET_GPIO      53
  46 #define N800_KEYB_IRQ_GPIO              109
  47
  48 static void __init nokia_n800_init_irq(void)
  49 {
  50         omap2_init_common_hw();
  51         omap_init_irq();
  52         omap_gpio_init();
  53
  54 #ifdef CONFIG_OMAP_STI
  55         if (omap_request_gpio(N800_STI_GPIO) < 0) {
  56                 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
  57                        N800_STI_GPIO);
  58                 return;
  59         }
  60
  61         omap_set_gpio_direction(N800_STI_GPIO, 0);
  62         omap_set_gpio_dataout(N800_STI_GPIO, 0);
  63 #endif
  64 }
  65
  66 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
  67
  68 static int n800_tmp105_set_power(int enable)
  69 {
  70         return menelaus_set_vaux(enable ? 2800 : 0);
  71 }
  72
  73 #else
  74
  75 #define n800_tmp105_set_power NULL
  76
  77 #endif
  78
  79 static struct omap_uart_config n800_uart_config __initdata = {
  80         .enabled_uarts = (1 << 0) | (1 << 2),
  81 };
  82
  83 #include "../../../drivers/cbus/retu.h"
  84
  85 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
  86         .size = 752 * 1024,
  87 };
  88
  89 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
  90         .size = 752 * 1024,
  91 };
  92
  93 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
  94         .size = 752 * 1024,
  95 };
  96
  97 static struct omap_tmp105_config n800_tmp105_config __initdata = {
  98         .tmp105_irq_pin = 125,
  99         .set_power = n800_tmp105_set_power,
 100 };
 101
 102 static void mipid_shutdown(struct mipid_platform_data *pdata)
 103 {
 104         if (pdata->nreset_gpio != -1) {
 105                 pr_info("shutdown LCD\n");
 106                 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
 107                 msleep(120);
 108         }
 109 }
 110
 111 static struct mipid_platform_data n800_mipid_platform_data = {
 112         .shutdown = mipid_shutdown,
 113 };
 114
 115 static void __init mipid_dev_init(void)
 116 {
 117         const struct omap_lcd_config *conf;
 118
 119         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 120         if (conf != NULL) {
 121                 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
 122                 n800_mipid_platform_data.data_lines = conf->data_lines;
 123         }
 124 }
 125
 126 static struct {
 127         struct clk *sys_ck;
 128 } blizzard;
 129
 130 static int blizzard_get_clocks(void)
 131 {
 132         blizzard.sys_ck = clk_get(0, "osc_ck");
 133         if (IS_ERR(blizzard.sys_ck)) {
 134                 printk(KERN_ERR "can't get Blizzard clock\n");
 135                 return PTR_ERR(blizzard.sys_ck);
 136         }
 137         return 0;
 138 }
 139
 140 static unsigned long blizzard_get_clock_rate(struct device *dev)
 141 {
 142         return clk_get_rate(blizzard.sys_ck);
 143 }
 144
 145 static void blizzard_enable_clocks(int enable)
 146 {
 147         if (enable)
 148                 clk_enable(blizzard.sys_ck);
 149         else
 150                 clk_disable(blizzard.sys_ck);
 151 }
 152
 153 static void blizzard_power_up(struct device *dev)
 154 {
 155         /* Vcore to 1.475V */
 156         tahvo_set_clear_reg_bits(0x07, 0, 0xf);
 157         msleep(10);
 158
 159         blizzard_enable_clocks(1);
 160         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 161 }
 162
 163 static void blizzard_power_down(struct device *dev)
 164 {
 165         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 166         blizzard_enable_clocks(0);
 167
 168         /* Vcore to 1.005V */
 169         tahvo_set_clear_reg_bits(0x07, 0xf, 0);
 170 }
 171
 172 static struct blizzard_platform_data n800_blizzard_data = {
 173         .power_up       = blizzard_power_up,
 174         .power_down     = blizzard_power_down,
 175         .get_clock_rate = blizzard_get_clock_rate,
 176         .te_connected   = 1,
 177 };
 178
 179 static void __init blizzard_dev_init(void)
 180 {
 181         int r;
 182
 183         r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
 184         if (r < 0)
 185                 return;
 186         omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 187         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 188
 189         blizzard_get_clocks();
 190         omapfb_set_ctrl_platform_data(&n800_blizzard_data);
 191 }
 192
 193 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_VIDEO_CAMERA_SENSOR_TCM825X) && \
 194         defined(CONFIG_MENELAUS)
 195 #define SUPPORT_SENSOR
 196 #endif
 197
 198 #ifdef SUPPORT_SENSOR
 199
 200 static int sensor_okay;
 201
 202 /*
 203  * VSIM1        --> CAM_IOVDD   --> IOVDD (1.8 V)
 204  */
 205 static int tcm825x_sensor_power_on(void *data)
 206 {
 207         int ret;
 208
 209         if (!sensor_okay)
 210                 return -ENODEV;
 211
 212         /* Set VMEM to 1.5V and VIO to 2.5V */
 213         ret = menelaus_set_vmem(1500);
 214         if (ret < 0) {
 215                 /* Try once more, it seems the sensor power up causes
 216                  * some problems on the I2C bus. */
 217                 ret = menelaus_set_vmem(1500);
 218                 if (ret < 0)
 219                         return ret;
 220         }
 221         msleep(1);
 222
 223         ret = menelaus_set_vio(2500);
 224         if (ret < 0)
 225                 return ret;
 226
 227         /* Set VSim1 on */
 228         retu_write_reg(RETU_REG_CTRL_SET, 0x0080);
 229         msleep(100);
 230
 231         omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 1);
 232         msleep(1);
 233
 234         return 0;
 235 }
 236
 237 static int tcm825x_sensor_power_off(void * data)
 238 {
 239         int ret;
 240
 241         omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 0);
 242         msleep(1);
 243
 244         /* Set VSim1 off */
 245         retu_write_reg(RETU_REG_CTRL_CLR, 0x0080);
 246         msleep(1);
 247
 248         /* Set VIO_MODE to off */
 249         ret = menelaus_set_vio(0);
 250         if (ret < 0)
 251                 return ret;
 252         msleep(1);
 253
 254         /* Set VMEM_MODE to off */
 255         ret = menelaus_set_vmem(0);
 256         if (ret < 0)
 257                 return ret;
 258         msleep(1);
 259
 260         return 0;
 261 }
 262
 263 static struct omap_camera_sensor_config n800_sensor_config = {
 264         .power_on   = tcm825x_sensor_power_on,
 265         .power_off  = tcm825x_sensor_power_off,
 266 };
 267
 268 static void __init n800_cam_init(void)
 269 {
 270         int r;
 271
 272         r = omap_request_gpio(N800_CAM_SENSOR_RESET_GPIO);
 273         if (r < 0)
 274                 return;
 275
 276         omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 0);
 277         omap_set_gpio_direction(N800_CAM_SENSOR_RESET_GPIO, 0);
 278
 279         sensor_okay = 1;
 280 }
 281
 282 #else
 283
 284 static inline void n800_cam_init(void) {}
 285
 286 #endif
 287
 288 static struct omap_board_config_kernel n800_config[] = {
 289         { OMAP_TAG_UART,                        &n800_uart_config },
 290 #ifdef SUPPORT_SENSOR
 291         { OMAP_TAG_CAMERA_SENSOR,               &n800_sensor_config },
 292 #endif
 293         { OMAP_TAG_FBMEM,                       &n800_fbmem0_config },
 294         { OMAP_TAG_FBMEM,                       &n800_fbmem1_config },
 295         { OMAP_TAG_FBMEM,                       &n800_fbmem2_config },
 296         { OMAP_TAG_TMP105,                      &n800_tmp105_config },
 297 };
 298
 299
 300 static int n800_get_keyb_irq_state(struct device *dev)
 301 {
 302         return !omap_get_gpio_datain(N800_KEYB_IRQ_GPIO);
 303 }
 304
 305 static struct tsc2301_platform_data tsc2301_config = {
 306         .reset_gpio     = 118,
 307         .dav_gpio       = 103,
 308         .pen_int_gpio   = 106,
 309         .keymap = {
 310                 -1,             /* Event for bit 0 */
 311                 KEY_UP,         /* Event for bit 1 (up) */
 312                 KEY_F5,         /* Event for bit 2 (home) */
 313                 -1,             /* Event for bit 3 */
 314                 KEY_LEFT,       /* Event for bit 4 (left) */
 315                 KEY_ENTER,      /* Event for bit 5 (enter) */
 316                 KEY_RIGHT,      /* Event for bit 6 (right) */
 317                 -1,             /* Event for bit 7 */
 318                 KEY_ESC,        /* Event for bit 8 (cycle) */
 319                 KEY_DOWN,       /* Event for bit 9 (down) */
 320                 KEY_F4,         /* Event for bit 10 (menu) */
 321                 -1,             /* Event for bit 11 */
 322                 KEY_F8,         /* Event for bit 12 (Zoom-) */
 323                 KEY_F6,         /* Event for bit 13 (FS) */
 324                 KEY_F7,         /* Event for bit 14 (Zoom+) */
 325                 -1,             /* Event for bit 15 */
 326         },
 327         .kp_rep         = 0,
 328         .get_keyb_irq_state = n800_get_keyb_irq_state,
 329 };
 330
 331 static void tsc2301_dev_init(void)
 332 {
 333         int gpio = N800_KEYB_IRQ_GPIO;
 334
 335         if (omap_request_gpio(gpio) < 0) {
 336                 printk(KERN_ERR "can't get KBIRQ GPIO\n");
 337                 return;
 338         }
 339         omap_set_gpio_direction(gpio, 1);
 340         tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
 341 }
 342
 343 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
 344         .turbo_mode     = 0,
 345         .single_channel = 1,
 346 };
 347
 348 static struct omap2_mcspi_device_config mipid_mcspi_config = {
 349         .turbo_mode     = 0,
 350         .single_channel = 1,
 351 };
 352
 353 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
 354         .turbo_mode     = 0,
 355         .single_channel = 1,
 356 };
 357
 358 static struct spi_board_info n800_spi_board_info[] __initdata = {
 359         [0] = {
 360                 .modalias       = "lcd_mipid",
 361                 .bus_num        = 1,
 362                 .chip_select    = 1,
 363                 .max_speed_hz   = 4000000,
 364                 .controller_data= &mipid_mcspi_config,
 365                 .platform_data  = &n800_mipid_platform_data,
 366         }, [1] = {
 367                 .modalias       = "cx3110x",
 368                 .bus_num        = 2,
 369                 .chip_select    = 0,
 370                 .max_speed_hz   = 48000000,
 371                 .controller_data= &cx3110x_mcspi_config,
 372         }, [2] = {
 373                 .modalias       = "tsc2301",
 374                 .bus_num        = 1,
 375                 .chip_select    = 0,
 376                 .max_speed_hz   = 6000000,
 377                 .controller_data= &tsc2301_mcspi_config,
 378                 .platform_data  = &tsc2301_config,
 379         },
 380 };
 381
 382 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 383
 384 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
 385                                int on_off)
 386 {
 387         if (on_off) {
 388                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
 389                 msleep(2);
 390                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
 391         } else {
 392                 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
 393         }
 394 }
 395
 396 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
 397         .name = "keypad",
 398         .intensity_timer = 10,
 399         .blink_timer = 9,
 400         .set_power = retu_keypad_led_set_power,
 401 };
 402
 403 static struct platform_device n800_keypad_led_device = {
 404         .name           = "omap_pwm_led",
 405         .id             = -1,
 406         .dev            = {
 407                 .platform_data = &n800_keypad_led_data,
 408         },
 409 };
 410 #endif
 411
 412 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
 413 static void __init n800_ts_set_config(void)
 414 {
 415         const struct omap_lcd_config *conf;
 416
 417         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 418         if (conf != NULL) {
 419                 if (strcmp(conf->panel_name, "lph8923") == 0) {
 420                         tsc2301_config.ts_x_plate_ohm   = 180;
 421                         tsc2301_config.ts_hw_avg        = 4;
 422                         tsc2301_config.ts_ignore_last   = 1;
 423                         tsc2301_config.ts_max_pressure  = 255;
 424                         tsc2301_config.ts_stab_time     = 100;
 425                 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
 426                         tsc2301_config.ts_x_plate_ohm   = 280;
 427                         tsc2301_config.ts_hw_avg        = 16;
 428                         tsc2301_config.ts_touch_pressure= 215;
 429                         tsc2301_config.ts_max_pressure  = 255;
 430                         tsc2301_config.ts_ignore_last   = 1;
 431                 } else {
 432                         printk(KERN_ERR "Unknown panel type, set default "
 433                                "touchscreen configuration\n");
 434                         tsc2301_config.ts_x_plate_ohm   = 200;
 435                         tsc2301_config.ts_stab_time     = 100;
 436                 }
 437         }
 438 }
 439 #else
 440 static inline void n800_ts_set_config(void)
 441 {
 442 }
 443 #endif
 444
 445 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
 446         {
 447                 .name                   = "bat_cover",
 448                 .gpio                   = -1,
 449                 .debounce_rising        = 100,
 450                 .debounce_falling       = 0,
 451                 .notify                 = n800_mmc_slot1_cover_handler,
 452                 .notify_data            = NULL,
 453         }, {
 454                 .name                   = "headphone",
 455                 .gpio                   = -1,
 456                 .debounce_rising        = 200,
 457                 .debounce_falling       = 200,
 458         }, {
 459                 .name                   = "cam_act",
 460                 .gpio                   = -1,
 461                 .debounce_rising        = 200,
 462                 .debounce_falling       = 200,
 463         }, {
 464                 .name                   = "cam_turn",
 465                 .gpio                   = -1,
 466                 .debounce_rising        = 100,
 467                 .debounce_falling       = 100,
 468         },
 469 };
 470
 471 static struct platform_device *n800_devices[] __initdata = {
 472 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 473         &n800_keypad_led_device,
 474 #endif
 475 };
 476
 477 static void __init nokia_n800_init(void)
 478 {
 479         platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
 480         n800_flash_init();
 481         n800_mmc_init();
 482         n800_bt_init();
 483         n800_audio_init(&tsc2301_config);
 484         n800_dsp_init();
 485         n800_usb_init();
 486         n800_cam_init();
 487         n800_ts_set_config();
 488         spi_register_board_info(n800_spi_board_info,
 489                                 ARRAY_SIZE(n800_spi_board_info));
 490         omap_serial_init();
 491         mipid_dev_init();
 492         blizzard_dev_init();
 493         tsc2301_dev_init();
 494         omap_register_gpio_switches(n800_gpio_switches,
 495                                     ARRAY_SIZE(n800_gpio_switches));
 496         n800_pm_init();
 497 }
 498
 499 static void __init nokia_n800_map_io(void)
 500 {
 501         omap_board_config = n800_config;
 502         omap_board_config_size = ARRAY_SIZE(n800_config);
 503
 504         omap2_map_common_io();
 505 }
 506
 507 MACHINE_START(NOKIA_N800, "Nokia N800")
 508         .phys_io        = 0x48000000,
 509         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 510         .boot_params    = 0x80000100,
 511         .map_io         = nokia_n800_map_io,
 512         .init_irq       = nokia_n800_init_irq,
 513         .init_machine   = nokia_n800_init,
 514         .timer          = &omap_timer,
 515 MACHINE_END