arch/arm/mach-omap2/board-omap3stalker.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3evm.c
   3  *
   4  * Copyright (C) 2008 Guangzhou EMA-Tech
   5  *
   6  * Modified from mach-omap2/board-omap3evm.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/err.h>
  20 #include <linux/clk.h>
  21 #include <linux/io.h>
  22 #include <linux/leds.h>
  23 #include <linux/gpio.h>
  24 #include <linux/input.h>
  25 #include <linux/gpio_keys.h>
  26
  27 #include <linux/regulator/machine.h>
  28 #include <linux/i2c/twl.h>
  29 #include <linux/mmc/host.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/flash.h>
  36
  37 #include <plat/board.h>
  38 #include <plat/common.h>
  39 #include <plat/gpmc.h>
  40 #include <plat/nand.h>
  41 #include <plat/usb.h>
  42 #include <video/omapdss.h>
  43 #include <video/omap-panel-generic-dpi.h>
  44
  45 #include <plat/mcspi.h>
  46 #include <linux/input/matrix_keypad.h>
  47 #include <linux/spi/spi.h>
  48 #include <linux/interrupt.h>
  49 #include <linux/smsc911x.h>
  50 #include <linux/i2c/at24.h>
  51
  52 #include "sdram-micron-mt46h32m32lf-6.h"
  53 #include "mux.h"
  54 #include "hsmmc.h"
  55 #include "timer-gp.h"
  56 #include "common-board-devices.h"
  57
  58 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  59 #include <plat/gpmc-smsc911x.h>
  60
  61 #define OMAP3STALKER_ETHR_START 0x2c000000
  62 #define OMAP3STALKER_ETHR_SIZE  1024
  63 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  64 #define OMAP3STALKER_SMC911X_CS 5
  65
  66 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  67         .cs             = OMAP3STALKER_SMC911X_CS,
  68         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  69         .gpio_reset     = -EINVAL,
  70         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  71 };
  72
  73 static inline void __init omap3stalker_init_eth(void)
  74 {
  75         struct clk *l3ck;
  76         unsigned int rate;
  77
  78         l3ck = clk_get(NULL, "l3_ck");
  79         if (IS_ERR(l3ck))
  80                 rate = 100000000;
  81         else
  82                 rate = clk_get_rate(l3ck);
  83
  84         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  85         gpmc_smsc911x_init(&smsc911x_cfg);
  86 }
  87
  88 #else
  89 static inline void __init omap3stalker_init_eth(void)
  90 {
  91         return;
  92 }
  93 #endif
  94
  95 /*
  96  * OMAP3 DSS control signals
  97  */
  98
  99 #define DSS_ENABLE_GPIO 199
 100 #define LCD_PANEL_BKLIGHT_GPIO  210
 101 #define ENABLE_VPLL2_DEV_GRP    0xE0
 102
 103 static int lcd_enabled;
 104 static int dvi_enabled;
 105
 106 static void __init omap3_stalker_display_init(void)
 107 {
 108         return;
 109 }
 110
 111 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
 112 {
 113         if (dvi_enabled) {
 114                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 115                 return -EINVAL;
 116         }
 117         gpio_set_value(DSS_ENABLE_GPIO, 1);
 118         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
 119         lcd_enabled = 1;
 120         return 0;
 121 }
 122
 123 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
 124 {
 125         gpio_set_value(DSS_ENABLE_GPIO, 0);
 126         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
 127         lcd_enabled = 0;
 128 }
 129
 130 static struct panel_generic_dpi_data lcd_panel = {
 131         .name                   = "generic",
 132         .platform_enable        = omap3_stalker_enable_lcd,
 133         .platform_disable       = omap3_stalker_disable_lcd,
 134 };
 135
 136 static struct omap_dss_device omap3_stalker_lcd_device = {
 137         .name                   = "lcd",
 138         .driver_name            = "generic_dpi_panel",
 139         .data                   = &lcd_panel,
 140         .phy.dpi.data_lines     = 24,
 141         .type                   = OMAP_DISPLAY_TYPE_DPI,
 142 };
 143
 144 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 145 {
 146         return 0;
 147 }
 148
 149 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 150 {
 151 }
 152
 153 static struct omap_dss_device omap3_stalker_tv_device = {
 154         .name                   = "tv",
 155         .driver_name            = "venc",
 156         .type                   = OMAP_DISPLAY_TYPE_VENC,
 157 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 158         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 159 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 160         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 161 #endif
 162         .platform_enable        = omap3_stalker_enable_tv,
 163         .platform_disable       = omap3_stalker_disable_tv,
 164 };
 165
 166 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 167 {
 168         if (lcd_enabled) {
 169                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 170                 return -EINVAL;
 171         }
 172         gpio_set_value(DSS_ENABLE_GPIO, 1);
 173         dvi_enabled = 1;
 174         return 0;
 175 }
 176
 177 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 178 {
 179         gpio_set_value(DSS_ENABLE_GPIO, 0);
 180         dvi_enabled = 0;
 181 }
 182
 183 static struct panel_generic_dpi_data dvi_panel = {
 184         .name                   = "generic",
 185         .platform_enable        = omap3_stalker_enable_dvi,
 186         .platform_disable       = omap3_stalker_disable_dvi,
 187 };
 188
 189 static struct omap_dss_device omap3_stalker_dvi_device = {
 190         .name                   = "dvi",
 191         .type                   = OMAP_DISPLAY_TYPE_DPI,
 192         .driver_name            = "generic_dpi_panel",
 193         .data                   = &dvi_panel,
 194         .phy.dpi.data_lines     = 24,
 195 };
 196
 197 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 198         &omap3_stalker_lcd_device,
 199         &omap3_stalker_tv_device,
 200         &omap3_stalker_dvi_device,
 201 };
 202
 203 static struct omap_dss_board_info omap3_stalker_dss_data = {
 204         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 205         .devices        = omap3_stalker_dss_devices,
 206         .default_device = &omap3_stalker_dvi_device,
 207 };
 208
 209 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
 210         .supply         = "vmmc",
 211 };
 212
 213 static struct regulator_consumer_supply omap3stalker_vsim_supply = {
 214         .supply         = "vmmc_aux",
 215 };
 216
 217 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 218 static struct regulator_init_data omap3stalker_vmmc1 = {
 219         .constraints            = {
 220                 .min_uV                 = 1850000,
 221                 .max_uV                 = 3150000,
 222                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 223                 | REGULATOR_MODE_STANDBY,
 224                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 225                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 226         },
 227         .num_consumer_supplies  = 1,
 228         .consumer_supplies      = &omap3stalker_vmmc1_supply,
 229 };
 230
 231 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 232 static struct regulator_init_data omap3stalker_vsim = {
 233         .constraints            = {
 234                 .min_uV                 = 1800000,
 235                 .max_uV                 = 3000000,
 236                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 237                 | REGULATOR_MODE_STANDBY,
 238                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 239                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 240         },
 241         .num_consumer_supplies  = 1,
 242         .consumer_supplies      = &omap3stalker_vsim_supply,
 243 };
 244
 245 static struct omap2_hsmmc_info mmc[] = {
 246         {
 247          .mmc           = 1,
 248          .caps          = MMC_CAP_4_BIT_DATA,
 249          .gpio_cd       = -EINVAL,
 250          .gpio_wp       = 23,
 251          },
 252         {}                      /* Terminator */
 253 };
 254
 255 static struct gpio_keys_button gpio_buttons[] = {
 256         {
 257          .code          = BTN_EXTRA,
 258          .gpio          = 18,
 259          .desc          = "user",
 260          .wakeup        = 1,
 261          },
 262 };
 263
 264 static struct gpio_keys_platform_data gpio_key_info = {
 265         .buttons        = gpio_buttons,
 266         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 267 };
 268
 269 static struct platform_device keys_gpio = {
 270         .name           = "gpio-keys",
 271         .id             = -1,
 272         .dev            = {
 273                 .platform_data  = &gpio_key_info,
 274         },
 275 };
 276
 277 static struct gpio_led gpio_leds[] = {
 278         {
 279          .name                  = "stalker:D8:usr0",
 280          .default_trigger       = "default-on",
 281          .gpio                  = 126,
 282          },
 283         {
 284          .name                  = "stalker:D9:usr1",
 285          .default_trigger       = "default-on",
 286          .gpio                  = 127,
 287          },
 288         {
 289          .name                  = "stalker:D3:mmc0",
 290          .gpio                  = -EINVAL,      /* gets replaced */
 291          .active_low            = true,
 292          .default_trigger       = "mmc0",
 293          },
 294         {
 295          .name                  = "stalker:D4:heartbeat",
 296          .gpio                  = -EINVAL,      /* gets replaced */
 297          .active_low            = true,
 298          .default_trigger       = "heartbeat",
 299          },
 300 };
 301
 302 static struct gpio_led_platform_data gpio_led_info = {
 303         .leds           = gpio_leds,
 304         .num_leds       = ARRAY_SIZE(gpio_leds),
 305 };
 306
 307 static struct platform_device leds_gpio = {
 308         .name   = "leds-gpio",
 309         .id     = -1,
 310         .dev    = {
 311                 .platform_data  = &gpio_led_info,
 312         },
 313 };
 314
 315 static int
 316 omap3stalker_twl_gpio_setup(struct device *dev,
 317                             unsigned gpio, unsigned ngpio)
 318 {
 319         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 320         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 321         mmc[0].gpio_cd = gpio + 0;
 322         omap2_hsmmc_init(mmc);
 323
 324         /* link regulators to MMC adapters */
 325         omap3stalker_vmmc1_supply.dev = mmc[0].dev;
 326         omap3stalker_vsim_supply.dev = mmc[0].dev;
 327
 328         /*
 329          * Most GPIOs are for USB OTG.  Some are mostly sent to
 330          * the P2 connector; notably LEDA for the LCD backlight.
 331          */
 332
 333         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 334         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 335                          "EN_LCD_BKL");
 336
 337         /* gpio + 7 == DVI Enable */
 338         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 339
 340         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 341         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 342         /* GPIO + 13 == ledsync (out, heartbeat) */
 343         gpio_leds[3].gpio = gpio + 13;
 344
 345         platform_device_register(&leds_gpio);
 346         return 0;
 347 }
 348
 349 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 350         .gpio_base      = OMAP_MAX_GPIO_LINES,
 351         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 352         .irq_end        = TWL4030_GPIO_IRQ_END,
 353         .use_leds       = true,
 354         .setup          = omap3stalker_twl_gpio_setup,
 355 };
 356
 357 static struct twl4030_usb_data omap3stalker_usb_data = {
 358         .usb_mode       = T2_USB_MODE_ULPI,
 359 };
 360
 361 static uint32_t board_keymap[] = {
 362         KEY(0, 0, KEY_LEFT),
 363         KEY(0, 1, KEY_DOWN),
 364         KEY(0, 2, KEY_ENTER),
 365         KEY(0, 3, KEY_M),
 366
 367         KEY(1, 0, KEY_RIGHT),
 368         KEY(1, 1, KEY_UP),
 369         KEY(1, 2, KEY_I),
 370         KEY(1, 3, KEY_N),
 371
 372         KEY(2, 0, KEY_A),
 373         KEY(2, 1, KEY_E),
 374         KEY(2, 2, KEY_J),
 375         KEY(2, 3, KEY_O),
 376
 377         KEY(3, 0, KEY_B),
 378         KEY(3, 1, KEY_F),
 379         KEY(3, 2, KEY_K),
 380         KEY(3, 3, KEY_P)
 381 };
 382
 383 static struct matrix_keymap_data board_map_data = {
 384         .keymap         = board_keymap,
 385         .keymap_size    = ARRAY_SIZE(board_keymap),
 386 };
 387
 388 static struct twl4030_keypad_data omap3stalker_kp_data = {
 389         .keymap_data    = &board_map_data,
 390         .rows           = 4,
 391         .cols           = 4,
 392         .rep            = 1,
 393 };
 394
 395 static struct twl4030_madc_platform_data omap3stalker_madc_data = {
 396         .irq_line       = 1,
 397 };
 398
 399 static struct twl4030_codec_audio_data omap3stalker_audio_data;
 400
 401 static struct twl4030_codec_data omap3stalker_codec_data = {
 402         .audio_mclk     = 26000000,
 403         .audio          = &omap3stalker_audio_data,
 404 };
 405
 406 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply =
 407         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 408
 409 /* VDAC for DSS driving S-Video */
 410 static struct regulator_init_data omap3_stalker_vdac = {
 411         .constraints            = {
 412                 .min_uV                 = 1800000,
 413                 .max_uV                 = 1800000,
 414                 .apply_uV               = true,
 415                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 416                 | REGULATOR_MODE_STANDBY,
 417                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 418                 | REGULATOR_CHANGE_STATUS,
 419         },
 420         .num_consumer_supplies  = 1,
 421         .consumer_supplies      = &omap3_stalker_vdda_dac_supply,
 422 };
 423
 424 /* VPLL2 for digital video outputs */
 425 static struct regulator_consumer_supply omap3_stalker_vpll2_supplies[] = {
 426         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 427         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 428 };
 429
 430 static struct regulator_init_data omap3_stalker_vpll2 = {
 431         .constraints            = {
 432                 .name                   = "VDVI",
 433                 .min_uV                 = 1800000,
 434                 .max_uV                 = 1800000,
 435                 .apply_uV = true,
 436                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 437                 | REGULATOR_MODE_STANDBY,
 438                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 439                 | REGULATOR_CHANGE_STATUS,
 440         },
 441         .num_consumer_supplies  = ARRAY_SIZE(omap3_stalker_vpll2_supplies),
 442         .consumer_supplies      = omap3_stalker_vpll2_supplies,
 443 };
 444
 445 static struct twl4030_platform_data omap3stalker_twldata = {
 446         .irq_base       = TWL4030_IRQ_BASE,
 447         .irq_end        = TWL4030_IRQ_END,
 448
 449         /* platform_data for children goes here */
 450         .keypad         = &omap3stalker_kp_data,
 451         .madc           = &omap3stalker_madc_data,
 452         .usb            = &omap3stalker_usb_data,
 453         .gpio           = &omap3stalker_gpio_data,
 454         .codec          = &omap3stalker_codec_data,
 455         .vdac           = &omap3_stalker_vdac,
 456         .vpll2          = &omap3_stalker_vpll2,
 457         .vmmc1          = &omap3stalker_vmmc1,
 458         .vsim           = &omap3stalker_vsim,
 459 };
 460
 461 static struct at24_platform_data fram_info = {
 462         .byte_len       = (64 * 1024) / 8,
 463         .page_size      = 8192,
 464         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 465 };
 466
 467 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 468         {
 469          I2C_BOARD_INFO("24c64", 0x50),
 470          .flags         = I2C_CLIENT_WAKE,
 471          .platform_data = &fram_info,
 472          },
 473 };
 474
 475 static int __init omap3_stalker_i2c_init(void)
 476 {
 477         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 478         omap_register_i2c_bus(2, 400, NULL, 0);
 479         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 480                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 481         return 0;
 482 }
 483
 484 #define OMAP3_STALKER_TS_GPIO   175
 485
 486 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 487 };
 488
 489 static void __init omap3_stalker_init_early(void)
 490 {
 491         omap2_init_common_infrastructure();
 492         omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 493 }
 494
 495 static void __init omap3_stalker_init_irq(void)
 496 {
 497         omap_init_irq();
 498 #ifdef CONFIG_OMAP_32K_TIMER
 499         omap2_gp_clockevent_set_gptimer(12);
 500 #endif
 501 }
 502
 503 static struct platform_device *omap3_stalker_devices[] __initdata = {
 504         &keys_gpio,
 505 };
 506
 507 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 508         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 509         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 510         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 511
 512         .phy_reset = true,
 513         .reset_gpio_port[0] = -EINVAL,
 514         .reset_gpio_port[1] = 21,
 515         .reset_gpio_port[2] = -EINVAL,
 516 };
 517
 518 #ifdef CONFIG_OMAP_MUX
 519 static struct omap_board_mux board_mux[] __initdata = {
 520         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 521                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 522         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 523                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 524         {.reg_offset = OMAP_MUX_TERMINATOR},
 525 };
 526 #endif
 527
 528 static void __init omap3_stalker_init(void)
 529 {
 530         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 531         omap_board_config = omap3_stalker_config;
 532         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 533
 534         omap3_stalker_i2c_init();
 535
 536         platform_add_devices(omap3_stalker_devices,
 537                              ARRAY_SIZE(omap3_stalker_devices));
 538
 539         omap_display_init(&omap3_stalker_dss_data);
 540
 541         omap_serial_init();
 542         usb_musb_init(NULL);
 543         usbhs_init(&usbhs_bdata);
 544         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 545
 546         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 547         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 548
 549         omap3stalker_init_eth();
 550         omap3_stalker_display_init();
 551 /* Ensure SDRC pins are mux'd for self-refresh */
 552         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 553         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 554 }
 555
 556 MACHINE_START(SBC3530, "OMAP3 STALKER")
 557         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 558         .boot_params            = 0x80000100,
 559         .map_io                 = omap3_map_io,
 560         .init_early             = omap3_stalker_init_early,
 561         .init_irq               = omap3_stalker_init_irq,
 562         .init_machine           = omap3_stalker_init,
 563         .timer                  = &omap_timer,
 564 MACHINE_END