arch/arm/mach-omap2/board-3430sdp.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-3430sdp.c
   3  *
   4  * Copyright (C) 2007 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-generic.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/input.h>
  20 #include <linux/spi/spi.h>
  21 #include <linux/spi/ads7846.h>
  22 #include <linux/i2c/twl4030.h>
  23 #include <linux/regulator/machine.h>
  24 #include <linux/io.h>
  25 #include <linux/gpio.h>
  26
  27 #include <mach/hardware.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31
  32 #include <mach/mcspi.h>
  33 #include <mach/mux.h>
  34 #include <mach/board.h>
  35 #include <mach/usb.h>
  36 #include <mach/common.h>
  37 #include <mach/dma.h>
  38 #include <mach/gpmc.h>
  39
  40 #include <mach/control.h>
  41 #include <mach/keypad.h>
  42
  43 #include "mmc-twl4030.h"
  44
  45 #define CONFIG_DISABLE_HFCLK 1
  46
  47 #define SDP3430_ETHR_GPIO_IRQ_SDPV1     29
  48 #define SDP3430_ETHR_GPIO_IRQ_SDPV2     6
  49 #define SDP3430_SMC91X_CS               3
  50
  51 #define SDP3430_TS_GPIO_IRQ_SDPV1       3
  52 #define SDP3430_TS_GPIO_IRQ_SDPV2       2
  53
  54 #define ENABLE_VAUX3_DEDICATED  0x03
  55 #define ENABLE_VAUX3_DEV_GRP    0x20
  56
  57 #define TWL4030_MSECURE_GPIO 22
  58
  59 static struct resource sdp3430_smc91x_resources[] = {
  60         [0] = {
  61                 .flags  = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start  = 0,
  65                 .end    = 0,
  66                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  67         },
  68 };
  69
  70 static struct platform_device sdp3430_smc91x_device = {
  71         .name           = "smc91x",
  72         .id             = -1,
  73         .num_resources  = ARRAY_SIZE(sdp3430_smc91x_resources),
  74         .resource       = sdp3430_smc91x_resources,
  75 };
  76
  77 static int sdp3430_keymap[] = {
  78         KEY(0, 0, KEY_LEFT),
  79         KEY(0, 1, KEY_RIGHT),
  80         KEY(0, 2, KEY_A),
  81         KEY(0, 3, KEY_B),
  82         KEY(0, 4, KEY_C),
  83         KEY(1, 0, KEY_DOWN),
  84         KEY(1, 1, KEY_UP),
  85         KEY(1, 2, KEY_E),
  86         KEY(1, 3, KEY_F),
  87         KEY(1, 4, KEY_G),
  88         KEY(2, 0, KEY_ENTER),
  89         KEY(2, 1, KEY_I),
  90         KEY(2, 2, KEY_J),
  91         KEY(2, 3, KEY_K),
  92         KEY(2, 4, KEY_3),
  93         KEY(3, 0, KEY_M),
  94         KEY(3, 1, KEY_N),
  95         KEY(3, 2, KEY_O),
  96         KEY(3, 3, KEY_P),
  97         KEY(3, 4, KEY_Q),
  98         KEY(4, 0, KEY_R),
  99         KEY(4, 1, KEY_4),
 100         KEY(4, 2, KEY_T),
 101         KEY(4, 3, KEY_U),
 102         KEY(4, 4, KEY_D),
 103         KEY(5, 0, KEY_V),
 104         KEY(5, 1, KEY_W),
 105         KEY(5, 2, KEY_L),
 106         KEY(5, 3, KEY_S),
 107         KEY(5, 4, KEY_H),
 108         0
 109 };
 110
 111 static struct twl4030_keypad_data sdp3430_kp_data = {
 112         .rows           = 5,
 113         .cols           = 6,
 114         .keymap         = sdp3430_keymap,
 115         .keymapsize     = ARRAY_SIZE(sdp3430_keymap),
 116         .rep            = 1,
 117 };
 118
 119 static int ts_gpio;     /* Needed for ads7846_get_pendown_state */
 120
 121 /**
 122  * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
 123  *
 124  * @return - void. If request gpio fails then Flag KERN_ERR.
 125  */
 126 static void ads7846_dev_init(void)
 127 {
 128         if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
 129                 printk(KERN_ERR "can't get ads746 pen down GPIO\n");
 130                 return;
 131         }
 132
 133         gpio_direction_input(ts_gpio);
 134
 135         omap_set_gpio_debounce(ts_gpio, 1);
 136         omap_set_gpio_debounce_time(ts_gpio, 0xa);
 137 }
 138
 139 static int ads7846_get_pendown_state(void)
 140 {
 141         return !gpio_get_value(ts_gpio);
 142 }
 143
 144 static struct ads7846_platform_data tsc2046_config __initdata = {
 145         .get_pendown_state      = ads7846_get_pendown_state,
 146         .keep_vref_on           = 1,
 147 };
 148
 149
 150 static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
 151         .turbo_mode     = 0,
 152         .single_channel = 1,    /* 0: slave, 1: master */
 153 };
 154
 155 static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
 156         [0] = {
 157                 /*
 158                  * TSC2046 operates at a max freqency of 2MHz, so
 159                  * operate slightly below at 1.5MHz
 160                  */
 161                 .modalias               = "ads7846",
 162                 .bus_num                = 1,
 163                 .chip_select            = 0,
 164                 .max_speed_hz           = 1500000,
 165                 .controller_data        = &tsc2046_mcspi_config,
 166                 .irq                    = 0,
 167                 .platform_data          = &tsc2046_config,
 168         },
 169 };
 170
 171 static struct platform_device sdp3430_lcd_device = {
 172         .name           = "sdp2430_lcd",
 173         .id             = -1,
 174 };
 175
 176 static struct regulator_consumer_supply sdp3430_vdac_supply = {
 177         .supply         = "vdac",
 178         .dev            = &sdp3430_lcd_device.dev,
 179 };
 180
 181 static struct regulator_consumer_supply sdp3430_vdvi_supply = {
 182         .supply         = "vdvi",
 183         .dev            = &sdp3430_lcd_device.dev,
 184 };
 185
 186 static struct platform_device *sdp3430_devices[] __initdata = {
 187         &sdp3430_smc91x_device,
 188         &sdp3430_lcd_device,
 189 };
 190
 191 static inline void __init sdp3430_init_smc91x(void)
 192 {
 193         int eth_cs;
 194         unsigned long cs_mem_base;
 195         int eth_gpio = 0;
 196
 197         eth_cs = SDP3430_SMC91X_CS;
 198
 199         if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
 200                 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
 201                 return;
 202         }
 203
 204         sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
 205         sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
 206         udelay(100);
 207
 208         if (omap_rev() > OMAP3430_REV_ES1_0)
 209                 eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
 210         else
 211                 eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
 212
 213         sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
 214
 215         if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
 216                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
 217                         eth_gpio);
 218                 return;
 219         }
 220         gpio_direction_input(eth_gpio);
 221 }
 222
 223 static void __init omap_3430sdp_init_irq(void)
 224 {
 225         omap2_init_common_hw(NULL);
 226         omap_init_irq();
 227         omap_gpio_init();
 228         sdp3430_init_smc91x();
 229 }
 230
 231 static struct omap_uart_config sdp3430_uart_config __initdata = {
 232         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 233 };
 234
 235 static struct omap_lcd_config sdp3430_lcd_config __initdata = {
 236         .ctrl_name      = "internal",
 237 };
 238
 239 static struct omap_board_config_kernel sdp3430_config[] __initdata = {
 240         { OMAP_TAG_UART,        &sdp3430_uart_config },
 241         { OMAP_TAG_LCD,         &sdp3430_lcd_config },
 242 };
 243
 244 static int sdp3430_batt_table[] = {
 245 /* 0 C*/
 246 30800, 29500, 28300, 27100,
 247 26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
 248 17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
 249 11600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
 250 8020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
 251 5640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
 252 4040,   3910,   3790,   3670,   3550
 253 };
 254
 255 static struct twl4030_bci_platform_data sdp3430_bci_data = {
 256         .battery_tmp_tbl        = sdp3430_batt_table,
 257         .tblsize                = ARRAY_SIZE(sdp3430_batt_table),
 258 };
 259
 260 static struct twl4030_hsmmc_info mmc[] = {
 261         {
 262                 .mmc            = 1,
 263                 /* 8 bits (default) requires S6.3 == ON,
 264                  * so the SIM card isn't used; else 4 bits.
 265                  */
 266                 .wires          = 8,
 267                 .gpio_wp        = 4,
 268         },
 269         {
 270                 .mmc            = 2,
 271                 .wires          = 8,
 272                 .gpio_wp        = 7,
 273         },
 274         {}      /* Terminator */
 275 };
 276
 277 static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
 278         .supply                 = "vmmc",
 279 };
 280
 281 static struct regulator_consumer_supply sdp3430_vsim_supply = {
 282         .supply                 = "vmmc_aux",
 283 };
 284
 285 static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
 286         .supply                 = "vmmc",
 287 };
 288
 289 static int sdp3430_twl_gpio_setup(struct device *dev,
 290                 unsigned gpio, unsigned ngpio)
 291 {
 292         /* gpio + 0 is "mmc0_cd" (input/IRQ),
 293          * gpio + 1 is "mmc1_cd" (input/IRQ)
 294          */
 295         mmc[0].gpio_cd = gpio + 0;
 296         mmc[1].gpio_cd = gpio + 1;
 297         twl4030_mmc_init(mmc);
 298
 299         /* link regulators to MMC adapters ... we "know" the
 300          * regulators will be set up only *after* we return.
 301          */
 302         sdp3430_vmmc1_supply.dev = mmc[0].dev;
 303         sdp3430_vsim_supply.dev = mmc[0].dev;
 304         sdp3430_vmmc2_supply.dev = mmc[1].dev;
 305
 306         /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
 307         gpio_request(gpio + 7, "sub_lcd_en_bkl");
 308         gpio_direction_output(gpio + 7, 0);
 309
 310         /* gpio + 15 is "sub_lcd_nRST" (output) */
 311         gpio_request(gpio + 15, "sub_lcd_nRST");
 312         gpio_direction_output(gpio + 15, 0);
 313
 314         return 0;
 315 }
 316
 317 static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
 318         .gpio_base      = OMAP_MAX_GPIO_LINES,
 319         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 320         .irq_end        = TWL4030_GPIO_IRQ_END,
 321         .pulldowns      = BIT(2) | BIT(6) | BIT(8) | BIT(13)
 322                                 | BIT(16) | BIT(17),
 323         .setup          = sdp3430_twl_gpio_setup,
 324 };
 325
 326 static struct twl4030_usb_data sdp3430_usb_data = {
 327         .usb_mode       = T2_USB_MODE_ULPI,
 328 };
 329
 330 static struct twl4030_madc_platform_data sdp3430_madc_data = {
 331         .irq_line       = 1,
 332 };
 333
 334 /*
 335  * Apply all the fixed voltages since most versions of U-Boot
 336  * don't bother with that initialization.
 337  */
 338
 339 /* VAUX1 for mainboard (irda and sub-lcd) */
 340 static struct regulator_init_data sdp3430_vaux1 = {
 341         .constraints = {
 342                 .min_uV                 = 2800000,
 343                 .max_uV                 = 2800000,
 344                 .apply_uV               = true,
 345                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 346                                         | REGULATOR_MODE_STANDBY,
 347                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 348                                         | REGULATOR_CHANGE_STATUS,
 349         },
 350 };
 351
 352 /* VAUX2 for camera module */
 353 static struct regulator_init_data sdp3430_vaux2 = {
 354         .constraints = {
 355                 .min_uV                 = 2800000,
 356                 .max_uV                 = 2800000,
 357                 .apply_uV               = true,
 358                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 359                                         | REGULATOR_MODE_STANDBY,
 360                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 361                                         | REGULATOR_CHANGE_STATUS,
 362         },
 363 };
 364
 365 /* VAUX3 for LCD board */
 366 static struct regulator_init_data sdp3430_vaux3 = {
 367         .constraints = {
 368                 .min_uV                 = 2800000,
 369                 .max_uV                 = 2800000,
 370                 .apply_uV               = true,
 371                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 372                                         | REGULATOR_MODE_STANDBY,
 373                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 374                                         | REGULATOR_CHANGE_STATUS,
 375         },
 376 };
 377
 378 /* VAUX4 for OMAP VDD_CSI2 (camera) */
 379 static struct regulator_init_data sdp3430_vaux4 = {
 380         .constraints = {
 381                 .min_uV                 = 1800000,
 382                 .max_uV                 = 1800000,
 383                 .apply_uV               = true,
 384                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 385                                         | REGULATOR_MODE_STANDBY,
 386                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 387                                         | REGULATOR_CHANGE_STATUS,
 388         },
 389 };
 390
 391 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 392 static struct regulator_init_data sdp3430_vmmc1 = {
 393         .constraints = {
 394                 .min_uV                 = 1850000,
 395                 .max_uV                 = 3150000,
 396                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 397                                         | REGULATOR_MODE_STANDBY,
 398                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 399                                         | REGULATOR_CHANGE_MODE
 400                                         | REGULATOR_CHANGE_STATUS,
 401         },
 402         .num_consumer_supplies  = 1,
 403         .consumer_supplies      = &sdp3430_vmmc1_supply,
 404 };
 405
 406 /* VMMC2 for MMC2 card */
 407 static struct regulator_init_data sdp3430_vmmc2 = {
 408         .constraints = {
 409                 .min_uV                 = 1850000,
 410                 .max_uV                 = 1850000,
 411                 .apply_uV               = true,
 412                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 413                                         | REGULATOR_MODE_STANDBY,
 414                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 415                                         | REGULATOR_CHANGE_STATUS,
 416         },
 417         .num_consumer_supplies  = 1,
 418         .consumer_supplies      = &sdp3430_vmmc2_supply,
 419 };
 420
 421 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
 422 static struct regulator_init_data sdp3430_vsim = {
 423         .constraints = {
 424                 .min_uV                 = 1800000,
 425                 .max_uV                 = 3000000,
 426                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 427                                         | REGULATOR_MODE_STANDBY,
 428                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 429                                         | REGULATOR_CHANGE_MODE
 430                                         | REGULATOR_CHANGE_STATUS,
 431         },
 432         .num_consumer_supplies  = 1,
 433         .consumer_supplies      = &sdp3430_vsim_supply,
 434 };
 435
 436 /* VDAC for DSS driving S-Video */
 437 static struct regulator_init_data sdp3430_vdac = {
 438         .constraints = {
 439                 .min_uV                 = 1800000,
 440                 .max_uV                 = 1800000,
 441                 .apply_uV               = true,
 442                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 443                                         | REGULATOR_MODE_STANDBY,
 444                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 445                                         | REGULATOR_CHANGE_STATUS,
 446         },
 447         .num_consumer_supplies  = 1,
 448         .consumer_supplies      = &sdp3430_vdac_supply,
 449 };
 450
 451 /* VPLL2 for digital video outputs */
 452 static struct regulator_init_data sdp3430_vpll2 = {
 453         .constraints = {
 454                 .name                   = "VDVI",
 455                 .min_uV                 = 1800000,
 456                 .max_uV                 = 1800000,
 457                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 458                                         | REGULATOR_MODE_STANDBY,
 459                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 460                                         | REGULATOR_CHANGE_STATUS,
 461         },
 462         .num_consumer_supplies  = 1,
 463         .consumer_supplies      = &sdp3430_vdvi_supply,
 464 };
 465
 466 static struct twl4030_platform_data sdp3430_twldata = {
 467         .irq_base       = TWL4030_IRQ_BASE,
 468         .irq_end        = TWL4030_IRQ_END,
 469
 470         /* platform_data for children goes here */
 471         .bci            = &sdp3430_bci_data,
 472         .gpio           = &sdp3430_gpio_data,
 473         .madc           = &sdp3430_madc_data,
 474         .keypad         = &sdp3430_kp_data,
 475         .usb            = &sdp3430_usb_data,
 476
 477         .vaux1          = &sdp3430_vaux1,
 478         .vaux2          = &sdp3430_vaux2,
 479         .vaux3          = &sdp3430_vaux3,
 480         .vaux4          = &sdp3430_vaux4,
 481         .vmmc1          = &sdp3430_vmmc1,
 482         .vmmc2          = &sdp3430_vmmc2,
 483         .vsim           = &sdp3430_vsim,
 484         .vdac           = &sdp3430_vdac,
 485         .vpll2          = &sdp3430_vpll2,
 486 };
 487
 488 static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
 489         {
 490                 I2C_BOARD_INFO("twl4030", 0x48),
 491                 .flags = I2C_CLIENT_WAKE,
 492                 .irq = INT_34XX_SYS_NIRQ,
 493                 .platform_data = &sdp3430_twldata,
 494         },
 495 };
 496
 497 static int __init omap3430_i2c_init(void)
 498 {
 499         /* i2c1 for PMIC only */
 500         omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
 501                         ARRAY_SIZE(sdp3430_i2c_boardinfo));
 502         /* i2c2 on camera connector (for sensor control) and optional isp1301 */
 503         omap_register_i2c_bus(2, 400, NULL, 0);
 504         /* i2c3 on display connector (for DVI, tfp410) */
 505         omap_register_i2c_bus(3, 400, NULL, 0);
 506         return 0;
 507 }
 508
 509 static void __init omap_3430sdp_init(void)
 510 {
 511         omap3430_i2c_init();
 512         platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
 513         omap_board_config = sdp3430_config;
 514         omap_board_config_size = ARRAY_SIZE(sdp3430_config);
 515         if (omap_rev() > OMAP3430_REV_ES1_0)
 516                 ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
 517         else
 518                 ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
 519         sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
 520         spi_register_board_info(sdp3430_spi_board_info,
 521                                 ARRAY_SIZE(sdp3430_spi_board_info));
 522         ads7846_dev_init();
 523         omap_serial_init();
 524         usb_musb_init();
 525 }
 526
 527 static void __init omap_3430sdp_map_io(void)
 528 {
 529         omap2_set_globals_343x();
 530         omap2_map_common_io();
 531 }
 532
 533 MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
 534         /* Maintainer: Syed Khasim - Texas Instruments Inc */
 535         .phys_io        = 0x48000000,
 536         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 537         .boot_params    = 0x80000100,
 538         .map_io         = omap_3430sdp_map_io,
 539         .init_irq       = omap_3430sdp_init_irq,
 540         .init_machine   = omap_3430sdp_init,
 541         .timer          = &omap_timer,
 542 MACHINE_END