release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s5pv210/mach-goni.c

   1 /* linux/arch/arm/mach-s5pv210/mach-goni.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9 */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/init.h>
  14 #include <linux/serial_core.h>
  15 #include <linux/fb.h>
  16 #include <linux/i2c.h>
  17 #include <linux/i2c-gpio.h>
  18 #include <linux/mfd/max8998.h>
  19 #include <linux/gpio_keys.h>
  20 #include <linux/input.h>
  21 #include <linux/gpio.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/setup.h>
  26 #include <asm/mach-types.h>
  27
  28 #include <mach/map.h>
  29 #include <mach/regs-clock.h>
  30 #include <mach/regs-fb.h>
  31
  32 #include <plat/gpio-cfg.h>
  33 #include <plat/regs-serial.h>
  34 #include <plat/s5pv210.h>
  35 #include <plat/devs.h>
  36 #include <plat/cpu.h>
  37 #include <plat/fb.h>
  38 #include <plat/sdhci.h>
  39
  40 /* Following are default values for UCON, ULCON and UFCON UART registers */
  41 #define GONI_UCON_DEFAULT       (S3C2410_UCON_TXILEVEL |        \
  42                                  S3C2410_UCON_RXILEVEL |        \
  43                                  S3C2410_UCON_TXIRQMODE |       \
  44                                  S3C2410_UCON_RXIRQMODE |       \
  45                                  S3C2410_UCON_RXFIFO_TOI |      \
  46                                  S3C2443_UCON_RXERR_IRQEN)
  47
  48 #define GONI_ULCON_DEFAULT      S3C2410_LCON_CS8
  49
  50 #define GONI_UFCON_DEFAULT      S3C2410_UFCON_FIFOMODE
  51
  52 static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
  53         [0] = {
  54                 .hwport         = 0,
  55                 .flags          = 0,
  56                 .ucon           = GONI_UCON_DEFAULT,
  57                 .ulcon          = GONI_ULCON_DEFAULT,
  58                 .ufcon          = GONI_UFCON_DEFAULT |
  59                         S5PV210_UFCON_TXTRIG256 | S5PV210_UFCON_RXTRIG256,
  60         },
  61         [1] = {
  62                 .hwport         = 1,
  63                 .flags          = 0,
  64                 .ucon           = GONI_UCON_DEFAULT,
  65                 .ulcon          = GONI_ULCON_DEFAULT,
  66                 .ufcon          = GONI_UFCON_DEFAULT |
  67                         S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
  68         },
  69         [2] = {
  70                 .hwport         = 2,
  71                 .flags          = 0,
  72                 .ucon           = GONI_UCON_DEFAULT,
  73                 .ulcon          = GONI_ULCON_DEFAULT,
  74                 .ufcon          = GONI_UFCON_DEFAULT |
  75                         S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
  76         },
  77         [3] = {
  78                 .hwport         = 3,
  79                 .flags          = 0,
  80                 .ucon           = GONI_UCON_DEFAULT,
  81                 .ulcon          = GONI_ULCON_DEFAULT,
  82                 .ufcon          = GONI_UFCON_DEFAULT |
  83                         S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
  84         },
  85 };
  86
  87 /* Frame Buffer */
  88 static struct s3c_fb_pd_win goni_fb_win0 = {
  89         .win_mode = {
  90                 .pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*55),
  91                 .left_margin    = 16,
  92                 .right_margin   = 16,
  93                 .upper_margin   = 3,
  94                 .lower_margin   = 28,
  95                 .hsync_len      = 2,
  96                 .vsync_len      = 2,
  97                 .xres           = 480,
  98                 .yres           = 800,
  99                 .refresh        = 55,
 100         },
 101         .max_bpp        = 32,
 102         .default_bpp    = 16,
 103 };
 104
 105 static struct s3c_fb_platdata goni_lcd_pdata __initdata = {
 106         .win[0]         = &goni_fb_win0,
 107         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB |
 108                           VIDCON0_CLKSEL_LCD,
 109         .vidcon1        = VIDCON1_INV_VCLK | VIDCON1_INV_VDEN
 110                           | VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 111         .setup_gpio     = s5pv210_fb_gpio_setup_24bpp,
 112 };
 113
 114 /* MAX8998 regulators */
 115 #if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
 116
 117 static struct regulator_init_data goni_ldo2_data = {
 118         .constraints    = {
 119                 .name           = "VALIVE_1.1V",
 120                 .min_uV         = 1100000,
 121                 .max_uV         = 1100000,
 122                 .apply_uV       = 1,
 123                 .always_on      = 1,
 124                 .state_mem      = {
 125                         .enabled = 1,
 126                 },
 127         },
 128 };
 129
 130 static struct regulator_init_data goni_ldo3_data = {
 131         .constraints    = {
 132                 .name           = "VUSB/MIPI_1.1V",
 133                 .min_uV         = 1100000,
 134                 .max_uV         = 1100000,
 135                 .apply_uV       = 1,
 136                 .always_on      = 1,
 137         },
 138 };
 139
 140 static struct regulator_init_data goni_ldo4_data = {
 141         .constraints    = {
 142                 .name           = "VDAC_3.3V",
 143                 .min_uV         = 3300000,
 144                 .max_uV         = 3300000,
 145                 .apply_uV       = 1,
 146         },
 147 };
 148
 149 static struct regulator_init_data goni_ldo5_data = {
 150         .constraints    = {
 151                 .name           = "VTF_2.8V",
 152                 .min_uV         = 2800000,
 153                 .max_uV         = 2800000,
 154                 .apply_uV       = 1,
 155         },
 156 };
 157
 158 static struct regulator_init_data goni_ldo6_data = {
 159         .constraints    = {
 160                 .name           = "VCC_3.3V",
 161                 .min_uV         = 3300000,
 162                 .max_uV         = 3300000,
 163                 .apply_uV       = 1,
 164         },
 165 };
 166
 167 static struct regulator_init_data goni_ldo7_data = {
 168         .constraints    = {
 169                 .name           = "VLCD_1.8V",
 170                 .min_uV         = 1800000,
 171                 .max_uV         = 1800000,
 172                 .apply_uV       = 1,
 173                 .always_on      = 1,
 174         },
 175 };
 176
 177 static struct regulator_init_data goni_ldo8_data = {
 178         .constraints    = {
 179                 .name           = "VUSB/VADC_3.3V",
 180                 .min_uV         = 3300000,
 181                 .max_uV         = 3300000,
 182                 .apply_uV       = 1,
 183                 .always_on      = 1,
 184         },
 185 };
 186
 187 static struct regulator_init_data goni_ldo9_data = {
 188         .constraints    = {
 189                 .name           = "VCC/VCAM_2.8V",
 190                 .min_uV         = 2800000,
 191                 .max_uV         = 2800000,
 192                 .apply_uV       = 1,
 193                 .always_on      = 1,
 194         },
 195 };
 196
 197 static struct regulator_init_data goni_ldo10_data = {
 198         .constraints    = {
 199                 .name           = "VPLL_1.1V",
 200                 .min_uV         = 1100000,
 201                 .max_uV         = 1100000,
 202                 .apply_uV       = 1,
 203                 .boot_on        = 1,
 204         },
 205 };
 206
 207 static struct regulator_init_data goni_ldo11_data = {
 208         .constraints    = {
 209                 .name           = "CAM_IO_2.8V",
 210                 .min_uV         = 2800000,
 211                 .max_uV         = 2800000,
 212                 .apply_uV       = 1,
 213                 .always_on      = 1,
 214         },
 215 };
 216
 217 static struct regulator_init_data goni_ldo12_data = {
 218         .constraints    = {
 219                 .name           = "CAM_ISP_1.2V",
 220                 .min_uV         = 1200000,
 221                 .max_uV         = 1200000,
 222                 .apply_uV       = 1,
 223                 .always_on      = 1,
 224         },
 225 };
 226
 227 static struct regulator_init_data goni_ldo13_data = {
 228         .constraints    = {
 229                 .name           = "CAM_A_2.8V",
 230                 .min_uV         = 2800000,
 231                 .max_uV         = 2800000,
 232                 .apply_uV       = 1,
 233                 .always_on      = 1,
 234         },
 235 };
 236
 237 static struct regulator_init_data goni_ldo14_data = {
 238         .constraints    = {
 239                 .name           = "CAM_CIF_1.8V",
 240                 .min_uV         = 1800000,
 241                 .max_uV         = 1800000,
 242                 .apply_uV       = 1,
 243                 .always_on      = 1,
 244         },
 245 };
 246
 247 static struct regulator_init_data goni_ldo15_data = {
 248         .constraints    = {
 249                 .name           = "CAM_AF_3.3V",
 250                 .min_uV         = 3300000,
 251                 .max_uV         = 3300000,
 252                 .apply_uV       = 1,
 253                 .always_on      = 1,
 254         },
 255 };
 256
 257 static struct regulator_init_data goni_ldo16_data = {
 258         .constraints    = {
 259                 .name           = "VMIPI_1.8V",
 260                 .min_uV         = 1800000,
 261                 .max_uV         = 1800000,
 262                 .apply_uV       = 1,
 263                 .always_on      = 1,
 264         },
 265 };
 266
 267 static struct regulator_init_data goni_ldo17_data = {
 268         .constraints    = {
 269                 .name           = "VCC_3.0V_LCD",
 270                 .min_uV         = 3000000,
 271                 .max_uV         = 3000000,
 272                 .apply_uV       = 1,
 273                 .always_on      = 1,
 274         },
 275 };
 276
 277 /* BUCK */
 278 static struct regulator_consumer_supply buck1_consumer[] = {
 279         {       .supply = "vddarm", },
 280 };
 281
 282 static struct regulator_consumer_supply buck2_consumer[] = {
 283         {       .supply = "vddint", },
 284 };
 285
 286 static struct regulator_init_data goni_buck1_data = {
 287         .constraints    = {
 288                 .name           = "VARM_1.2V",
 289                 .min_uV         = 1200000,
 290                 .max_uV         = 1200000,
 291                 .apply_uV       = 1,
 292                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 293                                   REGULATOR_CHANGE_STATUS,
 294         },
 295         .num_consumer_supplies  = ARRAY_SIZE(buck1_consumer),
 296         .consumer_supplies      = buck1_consumer,
 297 };
 298
 299 static struct regulator_init_data goni_buck2_data = {
 300         .constraints    = {
 301                 .name           = "VINT_1.2V",
 302                 .min_uV         = 1200000,
 303                 .max_uV         = 1200000,
 304                 .apply_uV       = 1,
 305                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 306                                   REGULATOR_CHANGE_STATUS,
 307         },
 308         .num_consumer_supplies  = ARRAY_SIZE(buck2_consumer),
 309         .consumer_supplies      = buck2_consumer,
 310 };
 311
 312 static struct regulator_init_data goni_buck3_data = {
 313         .constraints    = {
 314                 .name           = "VCC_1.8V",
 315                 .min_uV         = 1800000,
 316                 .max_uV         = 1800000,
 317                 .apply_uV       = 1,
 318                 .state_mem      = {
 319                         .enabled = 1,
 320                 },
 321         },
 322 };
 323
 324 static struct regulator_init_data goni_buck4_data = {
 325         .constraints    = {
 326                 .name           = "CAM_CORE_1.2V",
 327                 .min_uV         = 1200000,
 328                 .max_uV         = 1200000,
 329                 .apply_uV       = 1,
 330                 .always_on      = 1,
 331         },
 332 };
 333
 334 static struct max8998_regulator_data goni_regulators[] = {
 335         { MAX8998_LDO2,  &goni_ldo2_data },
 336         { MAX8998_LDO3,  &goni_ldo3_data },
 337         { MAX8998_LDO4,  &goni_ldo4_data },
 338         { MAX8998_LDO5,  &goni_ldo5_data },
 339         { MAX8998_LDO6,  &goni_ldo6_data },
 340         { MAX8998_LDO7,  &goni_ldo7_data },
 341         { MAX8998_LDO8,  &goni_ldo8_data },
 342         { MAX8998_LDO9,  &goni_ldo9_data },
 343         { MAX8998_LDO10, &goni_ldo10_data },
 344         { MAX8998_LDO11, &goni_ldo11_data },
 345         { MAX8998_LDO12, &goni_ldo12_data },
 346         { MAX8998_LDO13, &goni_ldo13_data },
 347         { MAX8998_LDO14, &goni_ldo14_data },
 348         { MAX8998_LDO15, &goni_ldo15_data },
 349         { MAX8998_LDO16, &goni_ldo16_data },
 350         { MAX8998_LDO17, &goni_ldo17_data },
 351         { MAX8998_BUCK1, &goni_buck1_data },
 352         { MAX8998_BUCK2, &goni_buck2_data },
 353         { MAX8998_BUCK3, &goni_buck3_data },
 354         { MAX8998_BUCK4, &goni_buck4_data },
 355 };
 356
 357 static struct max8998_platform_data goni_max8998_pdata = {
 358         .num_regulators = ARRAY_SIZE(goni_regulators),
 359         .regulators     = goni_regulators,
 360 };
 361 #endif
 362
 363 /* GPIO I2C PMIC */
 364 #define AP_I2C_GPIO_PMIC_BUS_4  4
 365 static struct i2c_gpio_platform_data goni_i2c_gpio_pmic_data = {
 366         .sda_pin        = S5PV210_GPJ4(0),      /* XMSMCSN */
 367         .scl_pin        = S5PV210_GPJ4(3),      /* XMSMIRQN */
 368 };
 369
 370 static struct platform_device goni_i2c_gpio_pmic = {
 371         .name           = "i2c-gpio",
 372         .id             = AP_I2C_GPIO_PMIC_BUS_4,
 373         .dev            = {
 374                 .platform_data  = &goni_i2c_gpio_pmic_data,
 375         },
 376 };
 377
 378 static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = {
 379 #if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
 380         {
 381                 /* 0xCC when SRAD = 0 */
 382                 I2C_BOARD_INFO("max8998", 0xCC >> 1),
 383                 .platform_data = &goni_max8998_pdata,
 384         },
 385 #endif
 386 };
 387
 388 /* PMIC Power button */
 389 static struct gpio_keys_button goni_gpio_keys_table[] = {
 390         {
 391                 .code           = KEY_POWER,
 392                 .gpio           = S5PV210_GPH2(6),
 393                 .desc           = "gpio-keys: KEY_POWER",
 394                 .type           = EV_KEY,
 395                 .active_low     = 1,
 396                 .wakeup         = 1,
 397                 .debounce_interval = 1,
 398         },
 399 };
 400
 401 static struct gpio_keys_platform_data goni_gpio_keys_data = {
 402         .buttons        = goni_gpio_keys_table,
 403         .nbuttons       = ARRAY_SIZE(goni_gpio_keys_table),
 404 };
 405
 406 static struct platform_device goni_device_gpiokeys = {
 407         .name = "gpio-keys",
 408         .dev = {
 409                 .platform_data = &goni_gpio_keys_data,
 410         },
 411 };
 412
 413 static void __init goni_pmic_init(void)
 414 {
 415         /* AP_PMIC_IRQ: EINT7 */
 416         s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf));
 417         s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP);
 418
 419         /* nPower: EINT22 */
 420         s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf));
 421         s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP);
 422 }
 423
 424 /* MoviNAND */
 425 static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = {
 426         .max_width              = 4,
 427         .cd_type                = S3C_SDHCI_CD_PERMANENT,
 428 };
 429
 430 /* Wireless LAN */
 431 static struct s3c_sdhci_platdata goni_hsmmc1_data __initdata = {
 432         .max_width              = 4,
 433         .cd_type                = S3C_SDHCI_CD_EXTERNAL,
 434         /* ext_cd_{init,cleanup} callbacks will be added later */
 435 };
 436
 437 /* External Flash */
 438 #define GONI_EXT_FLASH_EN       S5PV210_MP05(4)
 439 #define GONI_EXT_FLASH_CD       S5PV210_GPH3(4)
 440 static struct s3c_sdhci_platdata goni_hsmmc2_data __initdata = {
 441         .max_width              = 4,
 442         .cd_type                = S3C_SDHCI_CD_GPIO,
 443         .ext_cd_gpio            = GONI_EXT_FLASH_CD,
 444         .ext_cd_gpio_invert     = 1,
 445 };
 446
 447 static void goni_setup_sdhci(void)
 448 {
 449         gpio_request(GONI_EXT_FLASH_EN, "FLASH_EN");
 450         gpio_direction_output(GONI_EXT_FLASH_EN, 1);
 451
 452         s3c_sdhci0_set_platdata(&goni_hsmmc0_data);
 453         s3c_sdhci1_set_platdata(&goni_hsmmc1_data);
 454         s3c_sdhci2_set_platdata(&goni_hsmmc2_data);
 455 };
 456
 457 static struct platform_device *goni_devices[] __initdata = {
 458         &s3c_device_fb,
 459         &s5pc110_device_onenand,
 460         &goni_i2c_gpio_pmic,
 461         &goni_device_gpiokeys,
 462         &s5p_device_fimc0,
 463         &s5p_device_fimc1,
 464         &s5p_device_fimc2,
 465         &s3c_device_hsmmc0,
 466         &s3c_device_hsmmc1,
 467         &s3c_device_hsmmc2,
 468 };
 469
 470 static void __init goni_map_io(void)
 471 {
 472         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 473         s3c24xx_init_clocks(24000000);
 474         s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
 475 }
 476
 477 static void __init goni_machine_init(void)
 478 {
 479         /* PMIC */
 480         goni_pmic_init();
 481         i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,
 482                         ARRAY_SIZE(i2c_gpio_pmic_devs));
 483         /* SDHCI */
 484         goni_setup_sdhci();
 485
 486         /* FB */
 487         s3c_fb_set_platdata(&goni_lcd_pdata);
 488
 489         platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
 490 }
 491
 492 MACHINE_START(GONI, "GONI")
 493         /* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
 494         .phys_io        = S3C_PA_UART & 0xfff00000,
 495         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 496         .boot_params    = S5P_PA_SDRAM + 0x100,
 497         .init_irq       = s5pv210_init_irq,
 498         .map_io         = goni_map_io,
 499         .init_machine   = goni_machine_init,
 500         .timer          = &s3c24xx_timer,
 501 MACHINE_END