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         .pen_int_gpio   = 106,
 222         .keymap = {
 223                 -1,             /* Event for bit 0 */
 224                 KEY_UP,         /* Event for bit 1 (up) */
 225                 KEY_F5,         /* Event for bit 2 (home) */
 226                 -1,             /* Event for bit 3 */
 227                 KEY_LEFT,       /* Event for bit 4 (left) */
 228                 KEY_ENTER,      /* Event for bit 5 (enter) */
 229                 KEY_RIGHT,      /* Event for bit 6 (right) */
 230                 -1,             /* Event for bit 7 */
 231                 KEY_ESC,        /* Event for bit 8 (cycle) */
 232                 KEY_DOWN,       /* Event for bit 9 (down) */
 233                 KEY_F4,         /* Event for bit 10 (menu) */
 234                 -1,             /* Event for bit 11 */
 235                 KEY_F8,         /* Event for bit 12 (Zoom-) */
 236                 KEY_F6,         /* Event for bit 13 (FS) */
 237                 KEY_F7,         /* Event for bit 14 (Zoom+) */
 238                 -1,             /* Event for bit 15 */
 239         },
 240         .kp_rep         = 0,
 241         .get_keyb_irq_state = n800_get_keyb_irq_state,
 242 };
 243
 244 static void tsc2301_dev_init(void)
 245 {
 246         int gpio = N800_KEYB_IRQ_GPIO;
 247
 248         if (omap_request_gpio(gpio) < 0) {
 249                 printk(KERN_ERR "can't get KBIRQ GPIO\n");
 250                 return;
 251         }
 252         omap_set_gpio_direction(gpio, 1);
 253         tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
 254 }
 255
 256 static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
 257         .turbo_mode     = 0,
 258         .single_channel = 1,
 259 };
 260
 261 static struct omap2_mcspi_device_config mipid_mcspi_config = {
 262         .turbo_mode     = 0,
 263         .single_channel = 1,
 264 };
 265
 266 static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
 267         .turbo_mode     = 0,
 268         .single_channel = 1,
 269 };
 270
 271 static struct spi_board_info n800_spi_board_info[] __initdata = {
 272         [0] = {
 273                 .modalias       = "lcd_mipid",
 274                 .bus_num        = 1,
 275                 .chip_select    = 1,
 276                 .max_speed_hz   = 4000000,
 277                 .controller_data= &mipid_mcspi_config,
 278                 .platform_data  = &n800_mipid_platform_data,
 279         }, [1] = {
 280                 .modalias       = "cx3110x",
 281                 .bus_num        = 2,
 282                 .chip_select    = 0,
 283                 .max_speed_hz   = 48000000,
 284                 .controller_data= &cx3110x_mcspi_config,
 285         }, [2] = {
 286                 .modalias       = "tsc2301",
 287                 .bus_num        = 1,
 288                 .chip_select    = 0,
 289                 .max_speed_hz   = 6000000,
 290                 .controller_data= &tsc2301_mcspi_config,
 291                 .platform_data  = &tsc2301_config,
 292         },
 293 };
 294
 295 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 296
 297 void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
 298                                int on_off)
 299 {
 300         if (on_off) {
 301                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
 302                 msleep(2);
 303                 retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
 304         } else {
 305                 retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
 306         }
 307 }
 308
 309 static struct omap_pwm_led_platform_data n800_keypad_led_data = {
 310         .name = "keypad",
 311         .intensity_timer = 10,
 312         .blink_timer = 9,
 313         .set_power = retu_keypad_led_set_power,
 314 };
 315
 316 static struct platform_device n800_keypad_led_device = {
 317         .name           = "omap_pwm_led",
 318         .id             = -1,
 319         .dev            = {
 320                 .platform_data = &n800_keypad_led_data,
 321         },
 322 };
 323 #endif
 324
 325 #if defined(CONFIG_TOUCHSCREEN_TSC2301)
 326 static void __init n800_ts_set_config(void)
 327 {
 328         const struct omap_lcd_config *conf;
 329
 330         conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 331         if (conf != NULL) {
 332                 if (strcmp(conf->panel_name, "lph8923") == 0) {
 333                         tsc2301_config.ts_x_plate_ohm   = 180;
 334                         tsc2301_config.ts_hw_avg        = 4;
 335                         tsc2301_config.ts_ignore_last   = 1;
 336                         tsc2301_config.ts_max_pressure  = 255;
 337                         tsc2301_config.ts_stab_time     = 100;
 338                 } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
 339                         tsc2301_config.ts_x_plate_ohm   = 280;
 340                         tsc2301_config.ts_hw_avg        = 16;
 341                         tsc2301_config.ts_touch_pressure= 215;
 342                         tsc2301_config.ts_max_pressure  = 255;
 343                         tsc2301_config.ts_ignore_last   = 1;
 344                 } else {
 345                         printk(KERN_ERR "Unknown panel type, set default "
 346                                "touchscreen configuration\n");
 347                         tsc2301_config.ts_x_plate_ohm   = 200;
 348                         tsc2301_config.ts_stab_time     = 100;
 349                 }
 350         }
 351 }
 352 #else
 353 static inline void n800_ts_set_config(void)
 354 {
 355 }
 356 #endif
 357
 358 static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
 359         {
 360                 .name                   = "bat_cover",
 361                 .gpio                   = -1,
 362                 .debounce_rising        = 100,
 363                 .debounce_falling       = 0,
 364                 .notify                 = n800_mmc_slot1_cover_handler,
 365                 .notify_data            = NULL,
 366         }, {
 367                 .name                   = "headphone",
 368                 .gpio                   = -1,
 369                 .debounce_rising        = 200,
 370                 .debounce_falling       = 200,
 371         }, {
 372                 .name                   = "cam_act",
 373                 .gpio                   = -1,
 374                 .debounce_rising        = 200,
 375                 .debounce_falling       = 200,
 376         }, {
 377                 .name                   = "cam_turn",
 378                 .gpio                   = -1,
 379                 .debounce_rising        = 100,
 380                 .debounce_falling       = 100,
 381         },
 382 };
 383
 384 static struct platform_device *n800_devices[] __initdata = {
 385 #if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
 386         &n800_keypad_led_device,
 387 #endif
 388 };
 389
 390 #ifdef CONFIG_MENELAUS
 391 static int n800_auto_sleep_regulators(void)
 392 {
 393         u32 val;
 394         int ret;
 395
 396         val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
 397                 | EN_VAUX_SLEEP | EN_VIO_SLEEP \
 398                 | EN_VMEM_SLEEP | EN_DC3_SLEEP \
 399                 | EN_VC_SLEEP | EN_DC2_SLEEP;
 400
 401         ret = menelaus_set_regulator_sleep(1, val);
 402         if (ret < 0) {
 403                 printk(KERN_ERR "Could not set regulators to sleep on "
 404                         "menelaus: %u\n", ret);
 405                 return ret;
 406         }
 407         return 0;
 408 }
 409
 410 static int n800_auto_voltage_scale(void)
 411 {
 412         int ret;
 413
 414         ret = menelaus_set_vcore_hw(1400, 1050);
 415         if (ret < 0) {
 416                 printk(KERN_ERR "Could not set VCORE voltage on "
 417                         "menelaus: %u\n", ret);
 418                 return ret;
 419         }
 420         return 0;
 421 }
 422
 423 static int n800_menelaus_init(struct device *dev)
 424 {
 425         int ret;
 426
 427         ret = n800_auto_voltage_scale();
 428         if (ret < 0)
 429                 return ret;
 430         ret = n800_auto_sleep_regulators();
 431         if (ret < 0)
 432                 return ret;
 433         return 0;
 434 }
 435
 436 static struct menelaus_platform_data n800_menelaus_platform_data = {
 437         .late_init = n800_menelaus_init,
 438 };
 439 #endif
 440
 441 static struct i2c_board_info __initdata n800_i2c_board_info_1[] = {
 442         {
 443                 I2C_BOARD_INFO("menelaus", 0x72),
 444                 .irq = INT_24XX_SYS_NIRQ,
 445                 .platform_data = &n800_menelaus_platform_data,
 446         },
 447 };
 448
 449 extern struct tcm825x_platform_data n800_tcm825x_platform_data;
 450
 451 static struct i2c_board_info __initdata n800_i2c_board_info_2[] = {
 452 #if defined (CONFIG_VIDEO_TCM825X) || defined (CONFIG_VIDEO_TCM825X_MODULE)
 453         {
 454                 I2C_BOARD_INFO(TCM825X_NAME, TCM825X_I2C_ADDR),
 455                 .platform_data = &n800_tcm825x_platform_data,
 456         },
 457 #endif
 458 };
 459
 460 extern void __init n800_mmc_init(void);
 461
 462 void __init nokia_n800_common_init(void)
 463 {
 464         platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
 465
 466         n800_flash_init();
 467         n800_mmc_init();
 468         n800_bt_init();
 469         n800_dsp_init();
 470         n800_usb_init();
 471         n800_cam_init();
 472         spi_register_board_info(n800_spi_board_info,
 473                                 ARRAY_SIZE(n800_spi_board_info));
 474         omap_serial_init();
 475         omap_register_i2c_bus(1, 400, n800_i2c_board_info_1,
 476                               ARRAY_SIZE(n800_i2c_board_info_1));
 477         omap_register_i2c_bus(2, 400, n800_i2c_board_info_2,
 478                               ARRAY_SIZE(n800_i2c_board_info_2));
 479         mipid_dev_init();
 480         blizzard_dev_init();
 481 }
 482
 483 static void __init nokia_n800_init(void)
 484 {
 485         nokia_n800_common_init();
 486
 487         n800_audio_init(&tsc2301_config);
 488         n800_ts_set_config();
 489         tsc2301_dev_init();
 490         omap_register_gpio_switches(n800_gpio_switches,
 491                                     ARRAY_SIZE(n800_gpio_switches));
 492 }
 493
 494 void __init nokia_n800_map_io(void)
 495 {
 496         omap_board_config = n800_config;
 497         omap_board_config_size = ARRAY_SIZE(n800_config);
 498
 499         omap2_set_globals_242x();
 500         omap2_map_common_io();
 501 }
 502
 503 MACHINE_START(NOKIA_N800, "Nokia N800")
 504         .phys_io        = 0x48000000,
 505         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 506         .boot_params    = 0x80000100,
 507         .map_io         = nokia_n800_map_io,
 508         .init_irq       = nokia_n800_init_irq,
 509         .init_machine   = nokia_n800_init,
 510         .timer          = &omap_timer,
 511 MACHINE_END