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
  49 void __init nokia_n800_init_irq(void)
  50 {
  51         omap2_init_common_hw();
  52         omap_init_irq();
  53         omap_gpio_init();
  54
  55 #ifdef CONFIG_OMAP_STI
  56         if (omap_request_gpio(N800_STI_GPIO) < 0) {
  57                 printk(KERN_ERR "Failed to request GPIO %d for STI\n",
  58                        N800_STI_GPIO);
  59                 return;
  60         }
  61
  62         omap_set_gpio_direction(N800_STI_GPIO, 0);
  63         omap_set_gpio_dataout(N800_STI_GPIO, 0);
  64 #endif
  65 }
  66
  67 #if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
  68
  69 static int n800_tmp105_set_power(int enable)
  70 {
  71         return menelaus_set_vaux(enable ? 2800 : 0);
  72 }
  73
  74 #else
  75
  76 #define n800_tmp105_set_power NULL
  77
  78 #endif
  79
  80 static struct omap_uart_config n800_uart_config __initdata = {
  81         .enabled_uarts = (1 << 0) | (1 << 2),
  82 };
  83
  84 #include "../../../drivers/cbus/retu.h"
  85
  86 static struct omap_fbmem_config n800_fbmem0_config __initdata = {
  87         .size = 752 * 1024,
  88 };
  89
  90 static struct omap_fbmem_config n800_fbmem1_config __initdata = {
  91         .size = 752 * 1024,
  92 };
  93
  94 static struct omap_fbmem_config n800_fbmem2_config __initdata = {
  95         .size = 752 * 1024,
  96 };
  97
  98 static struct omap_tmp105_config n800_tmp105_config __initdata = {
  99         .tmp105_irq_pin = 125,
 100         .set_power = n800_tmp105_set_power,
 101 };
 102
 103 static void mipid_shutdown(struct mipid_platform_data *pdata)
 104 {
 105         if (pdata->nreset_gpio != -1) {
 106                 pr_info("shutdown LCD\n");
 107                 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
 108                 msleep(120);
 109         }
 110 }
 111
 112 static struct mipid_platform_data n800_mipid_platform_data = {
 113         .shutdown = mipid_shutdown,
 114 };
 115
 116 static void __init mipid_dev_init(void)
 117 {
 118         const struct omap_lcd_config *conf;
 119
 120         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 121         if (conf != NULL) {
 122                 n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
 123                 n800_mipid_platform_data.data_lines = conf->data_lines;
 124         }
 125 }
 126
 127 static struct {
 128         struct clk *sys_ck;
 129 } blizzard;
 130
 131 static int blizzard_get_clocks(void)
 132 {
 133         blizzard.sys_ck = clk_get(0, "osc_ck");
 134         if (IS_ERR(blizzard.sys_ck)) {
 135                 printk(KERN_ERR "can't get Blizzard clock\n");
 136                 return PTR_ERR(blizzard.sys_ck);
 137         }
 138         return 0;
 139 }
 140
 141 static unsigned long blizzard_get_clock_rate(struct device *dev)
 142 {
 143         return clk_get_rate(blizzard.sys_ck);
 144 }
 145
 146 static void blizzard_enable_clocks(int enable)
 147 {
 148         if (enable)
 149                 clk_enable(blizzard.sys_ck);
 150         else
 151                 clk_disable(blizzard.sys_ck);
 152 }
 153
 154 static void blizzard_power_up(struct device *dev)
 155 {
 156         /* Vcore to 1.475V */
 157         tahvo_set_clear_reg_bits(0x07, 0, 0xf);
 158         msleep(10);
 159
 160         blizzard_enable_clocks(1);
 161         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 162 }
 163
 164 static void blizzard_power_down(struct device *dev)
 165 {
 166         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 167         blizzard_enable_clocks(0);
 168
 169         /* Vcore to 1.005V */
 170         tahvo_set_clear_reg_bits(0x07, 0xf, 0);
 171 }
 172
 173 static struct blizzard_platform_data n800_blizzard_data = {
 174         .power_up       = blizzard_power_up,
 175         .power_down     = blizzard_power_down,
 176         .get_clock_rate = blizzard_get_clock_rate,
 177         .te_connected   = 1,
 178 };
 179
 180 static void __init blizzard_dev_init(void)
 181 {
 182         int r;
 183
 184         r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
 185         if (r < 0)
 186                 return;
 187         omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
 188         omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
 189
 190         blizzard_get_clocks();
 191         omapfb_set_ctrl_platform_data(&n800_blizzard_data);
 192 }
 193
 194 static struct omap_mmc_config n800_mmc_config __initdata = {
 195         .mmc [0] = {
 196                 .enabled                = 1,
 197                 .wire4                  = 1,
 198         },
 199 };
 200
 201 extern struct omap_mmc_platform_data n800_mmc_data;
 202
 203 static struct omap_board_config_kernel n800_config[] __initdata = {
 204         { OMAP_TAG_UART,                        &n800_uart_config },
 205         { OMAP_TAG_FBMEM,                       &n800_fbmem0_config },
 206         { OMAP_TAG_FBMEM,                       &n800_fbmem1_config },
 207         { OMAP_TAG_FBMEM,                       &n800_fbmem2_config },
 208         { OMAP_TAG_TMP105,                      &n800_tmp105_config },
 209         { OMAP_TAG_MMC,                         &n800_mmc_config },
 210 };
 211
 212
 213 static int n800_get_keyb_irq_state(struct device *dev)
 214 {
 215         return !omap_get_gpio_datain(N800_KEYB_IRQ_GPIO);
 216 }
 217
 218 static struct tsc2301_platform_data tsc2301_config = {
 219         .reset_gpio     = 118,
 220         .dav_gpio       = 103,
 221         .keymap = {
 222                 -1,             /* Event for bit 0 */
 223                 KEY_UP,         /* Event for bit 1 (up) */
 224                 KEY_F5,         /* Event for bit 2 (home) */
 225                 -1,             /* Event for bit 3 */
 226                 KEY_LEFT,       /* Event for bit 4 (left) */
 227                 KEY_ENTER,      /* Event for bit 5 (enter) */
 228                 KEY_RIGHT,      /* Event for bit 6 (right) */
 229                 -1,             /* Event for bit 7 */
 230                 KEY_ESC,        /* Event for bit 8 (cycle) */
 231                 KEY_DOWN,       /* Event for bit 9 (down) */
 232                 KEY_F4,         /* Event for bit 10 (menu) */
 233                 -1,             /* Event for bit 11 */
 234                 KEY_F8,         /* Event for bit 12 (Zoom-) */
 235                 KEY_F6,         /* Event for bit 13 (FS) */
 236                 KEY_F7,         /* Event for bit 14 (Zoom+) */
 237                 -1,             /* Event for bit 15 */
 238         },
 239         .kp_rep         = 0,
 240         .get_keyb_irq_state = n800_get_keyb_irq_state,
 241 };
 242
 243 static void tsc2301_dev_init(void)
 244 {
 245         int gpio = N800_KEYB_IRQ_GPIO;
 246
 247         if (omap_request_gpio(gpio) < 0) {
 248                 printk(KERN_ERR "can't get KBIRQ GPIO\n");
 249                 return;
 250         }
 251         omap_set_gpio_direction(gpio, 1);
 252         tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
 253 }
 254
 255 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
 256         .turbo_mode     = 0,
 257         .single_channel = 1,
 258 };
 259
 260 static struct omap2_mcspi_device_config mipid_mcspi_config = {
 261         .turbo_mode     = 0,
 262         .single_channel = 1,
 263 };
 264
 265 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
 266         .turbo_mode     = 0,
 267         .single_channel = 1,
 268 };
 269
 270 static struct spi_board_info n800_spi_board_info[] __initdata = {
 271         [0] = {
 272                 .modalias       = "lcd_mipid",
 273                 .bus_num        = 1,
 274                 .chip_select    = 1,
 275                 .max_speed_hz   = 4000000,
 276                 .controller_data= &mipid_mcspi_config,
 277                 .platform_data  = &n800_mipid_platform_data,
 278         }, [1] = {
 279                 .modalias       = "cx3110x",
 280                 .bus_num        = 2,
 281                 .chip_select    = 0,
 282                 .max_speed_hz   = 48000000,
 283                 .controller_data= &cx3110x_mcspi_config,
 284         }, [2] = {
 285                 .modalias       = "tsc2301",
 286                 .bus_num        = 1,
 287                 .chip_select    = 0,
 288                 .max_speed_hz   = 6000000,
 289                 .controller_data= &tsc2301_mcspi_config,
 290                 .platform_data  = &tsc2301_config,
 291         },
 292 };
 293
 294 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 295
 296 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
 297                                int on_off)
 298 {
 299         if (on_off) {
 300                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
 301                 msleep(2);
 302                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
 303         } else {
 304                 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
 305         }
 306 }
 307
 308 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
 309         .name = "keypad",
 310         .intensity_timer = 10,
 311         .blink_timer = 9,
 312         .set_power = retu_keypad_led_set_power,
 313 };
 314
 315 static struct platform_device n800_keypad_led_device = {
 316         .name           = "omap_pwm_led",
 317         .id             = -1,
 318         .dev            = {
 319                 .platform_data = &n800_keypad_led_data,
 320         },
 321 };
 322 #endif
 323
 324 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
 325 static void __init n800_ts_set_config(void)
 326 {
 327         const struct omap_lcd_config *conf;
 328
 329         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 330         if (conf != NULL) {
 331                 if (strcmp(conf->panel_name, "lph8923") == 0) {
 332                         tsc2301_config.ts_x_plate_ohm   = 180;
 333                         tsc2301_config.ts_hw_avg        = 8;
 334                         tsc2301_config.ts_max_pressure  = 2048;
 335                         tsc2301_config.ts_touch_pressure = 400;
 336                         tsc2301_config.ts_stab_time     = 100;
 337                         tsc2301_config.ts_pressure_fudge = 2;
 338                         tsc2301_config.ts_x_max         = 4096;
 339                         tsc2301_config.ts_x_fudge       = 4;
 340                         tsc2301_config.ts_y_max         = 4096;
 341                         tsc2301_config.ts_y_fudge       = 7;
 342                 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
 343                         tsc2301_config.ts_x_plate_ohm   = 280;
 344                         tsc2301_config.ts_hw_avg        = 8;
 345                         tsc2301_config.ts_touch_pressure = 400;
 346                         tsc2301_config.ts_max_pressure  = 2048;
 347                         tsc2301_config.ts_stab_time     = 1000;
 348                         tsc2301_config.ts_pressure_fudge = 2;
 349                         tsc2301_config.ts_x_max         = 4096;
 350                         tsc2301_config.ts_x_fudge       = 4;
 351                         tsc2301_config.ts_y_max         = 4096;
 352                         tsc2301_config.ts_y_fudge       = 7;
 353                 } else {
 354                         printk(KERN_ERR "Unknown panel type, set default "
 355                                "touchscreen configuration\n");
 356                         tsc2301_config.ts_x_plate_ohm   = 200;
 357                         tsc2301_config.ts_stab_time     = 100;
 358                 }
 359         }
 360 }
 361 #else
 362 static inline void n800_ts_set_config(void)
 363 {
 364 }
 365 #endif
 366
 367 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
 368         {
 369                 .name                   = "bat_cover",
 370                 .gpio                   = -1,
 371                 .debounce_rising        = 100,
 372                 .debounce_falling       = 0,
 373                 .notify                 = n800_mmc_slot1_cover_handler,
 374                 .notify_data            = NULL,
 375         }, {
 376                 .name                   = "headphone",
 377                 .gpio                   = -1,
 378                 .debounce_rising        = 200,
 379                 .debounce_falling       = 200,
 380         }, {
 381                 .name                   = "cam_act",
 382                 .gpio                   = -1,
 383                 .debounce_rising        = 200,
 384                 .debounce_falling       = 200,
 385         }, {
 386                 .name                   = "cam_turn",
 387                 .gpio                   = -1,
 388                 .debounce_rising        = 100,
 389                 .debounce_falling       = 100,
 390         },
 391 };
 392
 393 static struct platform_device *n800_devices[] __initdata = {
 394 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 395         &n800_keypad_led_device,
 396 #endif
 397 };
 398
 399 #ifdef CONFIG_MENELAUS
 400 static int n800_auto_sleep_regulators(void)
 401 {
 402         u32 val;
 403         int ret;
 404
 405         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 406                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 407                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 408                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 409
 410         ret = menelaus_set_regulator_sleep(1, val);
 411         if (ret < 0) {
 412                 printk(KERN_ERR "Could not set regulators to sleep on "
 413                         "menelaus: %u\n", ret);
 414                 return ret;
 415         }
 416         return 0;
 417 }
 418
 419 static int n800_auto_voltage_scale(void)
 420 {
 421         int ret;
 422
 423         ret = menelaus_set_vcore_hw(1400, 1050);
 424         if (ret < 0) {
 425                 printk(KERN_ERR "Could not set VCORE voltage on "
 426                         "menelaus: %u\n", ret);
 427                 return ret;
 428         }
 429         return 0;
 430 }
 431
 432 static int n800_menelaus_init(struct device *dev)
 433 {
 434         int ret;
 435
 436         ret = n800_auto_voltage_scale();
 437         if (ret < 0)
 438                 return ret;
 439         ret = n800_auto_sleep_regulators();
 440         if (ret < 0)
 441                 return ret;
 442         return 0;
 443 }
 444
 445 static struct menelaus_platform_data n800_menelaus_platform_data = {
 446         .late_init = n800_menelaus_init,
 447 };
 448 #endif
 449
 450 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
 451         {
 452                 I2C_BOARD_INFO("menelaus", 0x72),
 453                 .irq = INT_24XX_SYS_NIRQ,
 454                 .platform_data = &n800_menelaus_platform_data,
 455         },
 456 };
 457
 458 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
 459
 460 static struct i2c_board_info __initdata n800_i2c_board_info_2[] = {
 461 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
 462         {
 463                 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
 464                 .platform_data = &n800_tcm825x_platform_data,
 465         },
 466 #endif
 467 };
 468
 469 void __init nokia_n800_common_init(void)
 470 {
 471         platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
 472
 473         n800_flash_init();
 474         n800_mmc_init();
 475         n800_bt_init();
 476         n800_dsp_init();
 477         n800_usb_init();
 478         n800_cam_init();
 479         spi_register_board_info(n800_spi_board_info,
 480                                 ARRAY_SIZE(n800_spi_board_info));
 481         omap_serial_init();
 482         omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
 483                               ARRAY_SIZE(n800_i2c_board_info_1));
 484         omap_register_i2c_bus(2, 400, n800_i2c_board_info_2,
 485                               ARRAY_SIZE(n800_i2c_board_info_2));
 486         mipid_dev_init();
 487         blizzard_dev_init();
 488 }
 489
 490 static void __init nokia_n800_init(void)
 491 {
 492         nokia_n800_common_init();
 493
 494         n800_audio_init(&tsc2301_config);
 495         n800_ts_set_config();
 496         tsc2301_dev_init();
 497         omap_register_gpio_switches(n800_gpio_switches,
 498                                     ARRAY_SIZE(n800_gpio_switches));
 499 }
 500
 501 void __init nokia_n800_map_io(void)
 502 {
 503         omap_board_config = n800_config;
 504         omap_board_config_size = ARRAY_SIZE(n800_config);
 505
 506         omap2_set_globals_242x();
 507         omap2_map_common_io();
 508 }
 509
 510 MACHINE_START(NOKIA_N800, "Nokia N800")
 511         .phys_io        = 0x48000000,
 512         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 513         .boot_params    = 0x80000100,
 514         .map_io         = nokia_n800_map_io,
 515         .init_irq       = nokia_n800_init_irq,
 516         .init_machine   = nokia_n800_init,
 517         .timer          = &omap_timer,
 518 MACHINE_END