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

   1 /*
   2  * linux/arch/arm/mach-omap2/board-n800.c
   3  *
   4  * Copyright (C) 2005-2007 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 <linux/i2c.h>
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/arch/gpio.h>
  31 #include <asm/arch/usb.h>
  32 #include <asm/arch/board.h>
  33 #include <asm/arch/common.h>
  34 #include <asm/arch/mcspi.h>
  35 #include <asm/arch/menelaus.h>
  36 #include <asm/arch/lcd_mipid.h>
  37 #include <asm/arch/clock.h>
  38 #include <asm/arch/gpio-switch.h>
  39 #include <asm/arch/omapfb.h>
  40 #include <asm/arch/blizzard.h>
  41
  42 #include <../drivers/cbus/tahvo.h>
  43 #include <../drivers/media/video/tcm825x.h>
  44
  45 #define N800_BLIZZARD_POWERDOWN_GPIO    15
  46 #define N800_STI_GPIO                   62
  47 #define N800_KEYB_IRQ_GPIO              109
  48 #define N800_DAV_IRQ_GPIO               103
  49 #define N800_TSC2301_RESET_GPIO         118
  50
  51 void __init nokia_n800_init_irq(void)
  52 {
  53         omap2_init_common_hw();
  54         omap_init_irq();
  55         omap_gpio_init();
  56
  57 #ifdef CONFIG_OMAP_STI
  58         if (omap_request_gpio(N800_STI_GPIO) < 0) {
  59                 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
  60                        N800_STI_GPIO);
  61                 return;
  62         }
  63
  64         omap_set_gpio_direction(N800_STI_GPIO, 0);
  65         omap_set_gpio_dataout(N800_STI_GPIO, 0);
  66 #endif
  67 }
  68
  69 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
  70
  71 static int n800_tmp105_set_power(int enable)
  72 {
  73         return menelaus_set_vaux(enable ? 2800 : 0);
  74 }
  75
  76 #else
  77
  78 #define n800_tmp105_set_power NULL
  79
  80 #endif
  81
  82 static struct omap_uart_config n800_uart_config __initdata = {
  83         .enabled_uarts = (1 << 0) | (1 << 2),
  84 };
  85
  86 #include "../../../drivers/cbus/retu.h"
  87
  88 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
  89         .size = 752 * 1024,
  90 };
  91
  92 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
  93         .size = 752 * 1024,
  94 };
  95
  96 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
  97         .size = 752 * 1024,
  98 };
  99
 100 static struct omap_tmp105_config n800_tmp105_config __initdata = {
 101         .tmp105_irq_pin = 125,
 102         .set_power = n800_tmp105_set_power,
 103 };
 104
 105 static void mipid_shutdown(struct mipid_platform_data *pdata)
 106 {
 107         if (pdata->nreset_gpio != -1) {
 108                 pr_info("shutdown LCD\n");
 109                 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
 110                 msleep(120);
 111         }
 112 }
 113
 114 static struct mipid_platform_data n800_mipid_platform_data = {
 115         .shutdown = mipid_shutdown,
 116 };
 117
 118 static void __init mipid_dev_init(void)
 119 {
 120         const struct omap_lcd_config *conf;
 121
 122         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 123         if (conf != NULL) {
 124                 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
 125                 n800_mipid_platform_data.data_lines = conf->data_lines;
 126         }
 127 }
 128
 129 static struct {
 130         struct clk *sys_ck;
 131 } blizzard;
 132
 133 static int blizzard_get_clocks(void)
 134 {
 135         blizzard.sys_ck = clk_get(0, "osc_ck");
 136         if (IS_ERR(blizzard.sys_ck)) {
 137                 printk(KERN_ERR "can't get Blizzard clock\n");
 138                 return PTR_ERR(blizzard.sys_ck);
 139         }
 140         return 0;
 141 }
 142
 143 static unsigned long blizzard_get_clock_rate(struct device *dev)
 144 {
 145         return clk_get_rate(blizzard.sys_ck);
 146 }
 147
 148 static void blizzard_enable_clocks(int enable)
 149 {
 150         if (enable)
 151                 clk_enable(blizzard.sys_ck);
 152         else
 153                 clk_disable(blizzard.sys_ck);
 154 }
 155
 156 static void blizzard_power_up(struct device *dev)
 157 {
 158         /* Vcore to 1.475V */
 159         tahvo_set_clear_reg_bits(0x07, 0, 0xf);
 160         msleep(10);
 161
 162         blizzard_enable_clocks(1);
 163         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 164 }
 165
 166 static void blizzard_power_down(struct device *dev)
 167 {
 168         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 169         blizzard_enable_clocks(0);
 170
 171         /* Vcore to 1.005V */
 172         tahvo_set_clear_reg_bits(0x07, 0xf, 0);
 173 }
 174
 175 static struct blizzard_platform_data n800_blizzard_data = {
 176         .power_up       = blizzard_power_up,
 177         .power_down     = blizzard_power_down,
 178         .get_clock_rate = blizzard_get_clock_rate,
 179         .te_connected   = 1,
 180 };
 181
 182 static void __init blizzard_dev_init(void)
 183 {
 184         int r;
 185
 186         r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
 187         if (r < 0)
 188                 return;
 189         omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 190         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 191
 192         blizzard_get_clocks();
 193         omapfb_set_ctrl_platform_data(&n800_blizzard_data);
 194 }
 195
 196 static struct omap_mmc_config n800_mmc_config __initdata = {
 197         .mmc [0] = {
 198                 .enabled                = 1,
 199                 .wire4                  = 1,
 200         },
 201 };
 202
 203 extern struct omap_mmc_platform_data n800_mmc_data;
 204
 205 static struct omap_board_config_kernel n800_config[] __initdata = {
 206         { OMAP_TAG_UART,                        &n800_uart_config },
 207         { OMAP_TAG_FBMEM,                       &n800_fbmem0_config },
 208         { OMAP_TAG_FBMEM,                       &n800_fbmem1_config },
 209         { OMAP_TAG_FBMEM,                       &n800_fbmem2_config },
 210         { OMAP_TAG_TMP105,                      &n800_tmp105_config },
 211         { OMAP_TAG_MMC,                         &n800_mmc_config },
 212 };
 213
 214 static struct tsc2301_platform_data tsc2301_config = {
 215         .reset_gpio     = N800_TSC2301_RESET_GPIO,
 216         .keymap = {
 217                 -1,             /* Event for bit 0 */
 218                 KEY_UP,         /* Event for bit 1 (up) */
 219                 KEY_F5,         /* Event for bit 2 (home) */
 220                 -1,             /* Event for bit 3 */
 221                 KEY_LEFT,       /* Event for bit 4 (left) */
 222                 KEY_ENTER,      /* Event for bit 5 (enter) */
 223                 KEY_RIGHT,      /* Event for bit 6 (right) */
 224                 -1,             /* Event for bit 7 */
 225                 KEY_ESC,        /* Event for bit 8 (cycle) */
 226                 KEY_DOWN,       /* Event for bit 9 (down) */
 227                 KEY_F4,         /* Event for bit 10 (menu) */
 228                 -1,             /* Event for bit 11 */
 229                 KEY_F8,         /* Event for bit 12 (Zoom-) */
 230                 KEY_F6,         /* Event for bit 13 (FS) */
 231                 KEY_F7,         /* Event for bit 14 (Zoom+) */
 232                 -1,             /* Event for bit 15 */
 233         },
 234         .kp_rep         = 0,
 235 };
 236
 237 static void tsc2301_dev_init(void)
 238 {
 239         int r;
 240         int gpio = N800_KEYB_IRQ_GPIO;
 241
 242         r = gpio_request(gpio, "tsc2301 KBD IRQ");
 243         if (r >= 0) {
 244                 gpio_direction_input(gpio);
 245                 tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
 246         } else {
 247                 printk(KERN_ERR "unable to get KBD GPIO");
 248         }
 249
 250         gpio = N800_DAV_IRQ_GPIO;
 251         r = gpio_request(gpio, "tsc2301 DAV IRQ");
 252         if (r >= 0) {
 253                 gpio_direction_input(gpio);
 254                 tsc2301_config.dav_int = OMAP_GPIO_IRQ(gpio);
 255         } else {
 256                 printk(KERN_ERR "unable to get DAV GPIO");
 257         }
 258 }
 259
 260 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
 261         .turbo_mode     = 0,
 262         .single_channel = 1,
 263 };
 264
 265 static struct omap2_mcspi_device_config mipid_mcspi_config = {
 266         .turbo_mode     = 0,
 267         .single_channel = 1,
 268 };
 269
 270 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
 271         .turbo_mode     = 0,
 272         .single_channel = 1,
 273 };
 274
 275 static struct spi_board_info n800_spi_board_info[] __initdata = {
 276         [0] = {
 277                 .modalias       = "lcd_mipid",
 278                 .bus_num        = 1,
 279                 .chip_select    = 1,
 280                 .max_speed_hz   = 4000000,
 281                 .controller_data= &mipid_mcspi_config,
 282                 .platform_data  = &n800_mipid_platform_data,
 283         }, [1] = {
 284                 .modalias       = "cx3110x",
 285                 .bus_num        = 2,
 286                 .chip_select    = 0,
 287                 .max_speed_hz   = 48000000,
 288                 .controller_data= &cx3110x_mcspi_config,
 289         }, [2] = {
 290                 .modalias       = "tsc2301",
 291                 .bus_num        = 1,
 292                 .chip_select    = 0,
 293                 .max_speed_hz   = 6000000,
 294                 .controller_data= &tsc2301_mcspi_config,
 295                 .platform_data  = &tsc2301_config,
 296         },
 297 };
 298
 299 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 300
 301 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
 302                                int on_off)
 303 {
 304         if (on_off) {
 305                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
 306                 msleep(2);
 307                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
 308         } else {
 309                 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
 310         }
 311 }
 312
 313 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
 314         .name = "keypad",
 315         .intensity_timer = 10,
 316         .blink_timer = 9,
 317         .set_power = retu_keypad_led_set_power,
 318 };
 319
 320 static struct platform_device n800_keypad_led_device = {
 321         .name           = "omap_pwm_led",
 322         .id             = -1,
 323         .dev            = {
 324                 .platform_data = &n800_keypad_led_data,
 325         },
 326 };
 327 #endif
 328
 329 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
 330 static void __init n800_ts_set_config(void)
 331 {
 332         const struct omap_lcd_config *conf;
 333
 334         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 335         if (conf != NULL) {
 336                 if (strcmp(conf->panel_name, "lph8923") == 0) {
 337                         tsc2301_config.ts_x_plate_ohm   = 180;
 338                         tsc2301_config.ts_hw_avg        = 8;
 339                         tsc2301_config.ts_max_pressure  = 2048;
 340                         tsc2301_config.ts_touch_pressure = 400;
 341                         tsc2301_config.ts_stab_time     = 100;
 342                         tsc2301_config.ts_pressure_fudge = 2;
 343                         tsc2301_config.ts_x_max         = 4096;
 344                         tsc2301_config.ts_x_fudge       = 4;
 345                         tsc2301_config.ts_y_max         = 4096;
 346                         tsc2301_config.ts_y_fudge       = 7;
 347                 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
 348                         tsc2301_config.ts_x_plate_ohm   = 280;
 349                         tsc2301_config.ts_hw_avg        = 8;
 350                         tsc2301_config.ts_touch_pressure = 400;
 351                         tsc2301_config.ts_max_pressure  = 2048;
 352                         tsc2301_config.ts_stab_time     = 1000;
 353                         tsc2301_config.ts_pressure_fudge = 2;
 354                         tsc2301_config.ts_x_max         = 4096;
 355                         tsc2301_config.ts_x_fudge       = 4;
 356                         tsc2301_config.ts_y_max         = 4096;
 357                         tsc2301_config.ts_y_fudge       = 7;
 358                 } else {
 359                         printk(KERN_ERR "Unknown panel type, set default "
 360                                "touchscreen configuration\n");
 361                         tsc2301_config.ts_x_plate_ohm   = 200;
 362                         tsc2301_config.ts_stab_time     = 100;
 363                 }
 364         }
 365 }
 366 #else
 367 static inline void n800_ts_set_config(void)
 368 {
 369 }
 370 #endif
 371
 372 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
 373         {
 374                 .name                   = "bat_cover",
 375                 .gpio                   = -1,
 376                 .debounce_rising        = 100,
 377                 .debounce_falling       = 0,
 378                 .notify                 = n800_mmc_slot1_cover_handler,
 379                 .notify_data            = NULL,
 380         }, {
 381                 .name                   = "headphone",
 382                 .gpio                   = -1,
 383                 .debounce_rising        = 200,
 384                 .debounce_falling       = 200,
 385         }, {
 386                 .name                   = "cam_act",
 387                 .gpio                   = -1,
 388                 .debounce_rising        = 200,
 389                 .debounce_falling       = 200,
 390         }, {
 391                 .name                   = "cam_turn",
 392                 .gpio                   = -1,
 393                 .debounce_rising        = 100,
 394                 .debounce_falling       = 100,
 395         },
 396 };
 397
 398 static struct platform_device *n800_devices[] __initdata = {
 399 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 400         &n800_keypad_led_device,
 401 #endif
 402 };
 403
 404 #ifdef CONFIG_MENELAUS
 405 static int n800_auto_sleep_regulators(void)
 406 {
 407         u32 val;
 408         int ret;
 409
 410         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 411                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 412                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 413                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 414
 415         ret = menelaus_set_regulator_sleep(1, val);
 416         if (ret < 0) {
 417                 printk(KERN_ERR "Could not set regulators to sleep on "
 418                         "menelaus: %u\n", ret);
 419                 return ret;
 420         }
 421         return 0;
 422 }
 423
 424 static int n800_auto_voltage_scale(void)
 425 {
 426         int ret;
 427
 428         ret = menelaus_set_vcore_hw(1400, 1050);
 429         if (ret < 0) {
 430                 printk(KERN_ERR "Could not set VCORE voltage on "
 431                         "menelaus: %u\n", ret);
 432                 return ret;
 433         }
 434         return 0;
 435 }
 436
 437 static int n800_menelaus_init(struct device *dev)
 438 {
 439         int ret;
 440
 441         ret = n800_auto_voltage_scale();
 442         if (ret < 0)
 443                 return ret;
 444         ret = n800_auto_sleep_regulators();
 445         if (ret < 0)
 446                 return ret;
 447         return 0;
 448 }
 449
 450 static struct menelaus_platform_data n800_menelaus_platform_data = {
 451         .late_init = n800_menelaus_init,
 452 };
 453 #endif
 454
 455 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
 456         {
 457                 I2C_BOARD_INFO("menelaus", 0x72),
 458                 .irq = INT_24XX_SYS_NIRQ,
 459                 .platform_data = &n800_menelaus_platform_data,
 460         },
 461 };
 462
 463 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
 464
 465 static struct i2c_board_info __initdata n800_i2c_board_info_2[] = {
 466 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
 467         {
 468                 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
 469                 .platform_data = &n800_tcm825x_platform_data,
 470         },
 471 #endif
 472 };
 473
 474 void __init nokia_n800_common_init(void)
 475 {
 476         platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
 477
 478         n800_flash_init();
 479         n800_mmc_init();
 480         n800_bt_init();
 481         n800_dsp_init();
 482         n800_usb_init();
 483         n800_cam_init();
 484         spi_register_board_info(n800_spi_board_info,
 485                                 ARRAY_SIZE(n800_spi_board_info));
 486         omap_serial_init();
 487         omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
 488                               ARRAY_SIZE(n800_i2c_board_info_1));
 489         omap_register_i2c_bus(2, 400, n800_i2c_board_info_2,
 490                               ARRAY_SIZE(n800_i2c_board_info_2));
 491         mipid_dev_init();
 492         blizzard_dev_init();
 493 }
 494
 495 static void __init nokia_n800_init(void)
 496 {
 497         nokia_n800_common_init();
 498
 499         n800_audio_init(&tsc2301_config);
 500         n800_ts_set_config();
 501         tsc2301_dev_init();
 502         omap_register_gpio_switches(n800_gpio_switches,
 503                                     ARRAY_SIZE(n800_gpio_switches));
 504 }
 505
 506 void __init nokia_n800_map_io(void)
 507 {
 508         omap_board_config = n800_config;
 509         omap_board_config_size = ARRAY_SIZE(n800_config);
 510
 511         omap2_set_globals_242x();
 512         omap2_map_common_io();
 513 }
 514
 515 MACHINE_START(NOKIA_N800, "Nokia N800")
 516         .phys_io        = 0x48000000,
 517         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 518         .boot_params    = 0x80000100,
 519         .map_io         = nokia_n800_map_io,
 520         .init_irq       = nokia_n800_init_irq,
 521         .init_machine   = nokia_n800_init,
 522         .timer          = &omap_timer,
 523 MACHINE_END