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/fixed.h>
  28 #include <linux/regulator/machine.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/mmc/host.h>
  31
  32 #include <mach/hardware.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/flash.h>
  37
  38 #include <plat/board.h>
  39 #include "common.h"
  40 #include <plat/gpmc.h>
  41 #include <plat/nand.h>
  42 #include <plat/usb.h>
  43 #include <video/omapdss.h>
  44 #include <video/omap-panel-generic-dpi.h>
  45 #include <video/omap-panel-dvi.h>
  46
  47 #include <plat/mcspi.h>
  48 #include <linux/input/matrix_keypad.h>
  49 #include <linux/spi/spi.h>
  50 #include <linux/interrupt.h>
  51 #include <linux/smsc911x.h>
  52 #include <linux/i2c/at24.h>
  53
  54 #include "sdram-micron-mt46h32m32lf-6.h"
  55 #include "mux.h"
  56 #include "hsmmc.h"
  57 #include "common-board-devices.h"
  58
  59 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  60 #include <plat/gpmc-smsc911x.h>
  61
  62 #define OMAP3STALKER_ETHR_START 0x2c000000
  63 #define OMAP3STALKER_ETHR_SIZE  1024
  64 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  65 #define OMAP3STALKER_SMC911X_CS 5
  66
  67 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  68         .cs             = OMAP3STALKER_SMC911X_CS,
  69         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  70         .gpio_reset     = -EINVAL,
  71         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  72 };
  73
  74 static inline void __init omap3stalker_init_eth(void)
  75 {
  76         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  77         gpmc_smsc911x_init(&smsc911x_cfg);
  78 }
  79
  80 #else
  81 static inline void __init omap3stalker_init_eth(void)
  82 {
  83         return;
  84 }
  85 #endif
  86
  87 /*
  88  * OMAP3 DSS control signals
  89  */
  90
  91 #define DSS_ENABLE_GPIO 199
  92 #define LCD_PANEL_BKLIGHT_GPIO  210
  93 #define ENABLE_VPLL2_DEV_GRP    0xE0
  94
  95 static int lcd_enabled;
  96 static int dvi_enabled;
  97
  98 static void __init omap3_stalker_display_init(void)
  99 {
 100         return;
 101 }
 102
 103 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 104 {
 105         return 0;
 106 }
 107
 108 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 109 {
 110 }
 111
 112 static struct omap_dss_device omap3_stalker_tv_device = {
 113         .name                   = "tv",
 114         .driver_name            = "venc",
 115         .type                   = OMAP_DISPLAY_TYPE_VENC,
 116 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 117         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 118 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 119         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 120 #endif
 121         .platform_enable        = omap3_stalker_enable_tv,
 122         .platform_disable       = omap3_stalker_disable_tv,
 123 };
 124
 125 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 126 {
 127         if (lcd_enabled) {
 128                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 129                 return -EINVAL;
 130         }
 131         gpio_set_value(DSS_ENABLE_GPIO, 1);
 132         dvi_enabled = 1;
 133         return 0;
 134 }
 135
 136 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 137 {
 138         gpio_set_value(DSS_ENABLE_GPIO, 0);
 139         dvi_enabled = 0;
 140 }
 141
 142 static struct panel_dvi_platform_data dvi_panel = {
 143         .platform_enable        = omap3_stalker_enable_dvi,
 144         .platform_disable       = omap3_stalker_disable_dvi,
 145 };
 146
 147 static struct omap_dss_device omap3_stalker_dvi_device = {
 148         .name                   = "dvi",
 149         .type                   = OMAP_DISPLAY_TYPE_DPI,
 150         .driver_name            = "dvi",
 151         .data                   = &dvi_panel,
 152         .phy.dpi.data_lines     = 24,
 153 };
 154
 155 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 156         &omap3_stalker_tv_device,
 157         &omap3_stalker_dvi_device,
 158 };
 159
 160 static struct omap_dss_board_info omap3_stalker_dss_data = {
 161         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 162         .devices        = omap3_stalker_dss_devices,
 163         .default_device = &omap3_stalker_dvi_device,
 164 };
 165
 166 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 167         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 168 };
 169
 170 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 171         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 172 };
 173
 174 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 175 static struct regulator_init_data omap3stalker_vmmc1 = {
 176         .constraints            = {
 177                 .min_uV                 = 1850000,
 178                 .max_uV                 = 3150000,
 179                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 180                 | REGULATOR_MODE_STANDBY,
 181                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 182                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 183         },
 184         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 185         .consumer_supplies      = omap3stalker_vmmc1_supply,
 186 };
 187
 188 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 189 static struct regulator_init_data omap3stalker_vsim = {
 190         .constraints            = {
 191                 .min_uV                 = 1800000,
 192                 .max_uV                 = 3000000,
 193                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 194                 | REGULATOR_MODE_STANDBY,
 195                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 196                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 197         },
 198         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 199         .consumer_supplies      = omap3stalker_vsim_supply,
 200 };
 201
 202 static struct omap2_hsmmc_info mmc[] = {
 203         {
 204                 .mmc            = 1,
 205                 .caps           = MMC_CAP_4_BIT_DATA,
 206                 .gpio_cd        = -EINVAL,
 207                 .gpio_wp        = 23,
 208                 .deferred       = true,
 209          },
 210         {}                      /* Terminator */
 211 };
 212
 213 static struct gpio_keys_button gpio_buttons[] = {
 214         {
 215          .code          = BTN_EXTRA,
 216          .gpio          = 18,
 217          .desc          = "user",
 218          .wakeup        = 1,
 219          },
 220 };
 221
 222 static struct gpio_keys_platform_data gpio_key_info = {
 223         .buttons        = gpio_buttons,
 224         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 225 };
 226
 227 static struct platform_device keys_gpio = {
 228         .name           = "gpio-keys",
 229         .id             = -1,
 230         .dev            = {
 231                 .platform_data  = &gpio_key_info,
 232         },
 233 };
 234
 235 static struct gpio_led gpio_leds[] = {
 236         {
 237          .name                  = "stalker:D8:usr0",
 238          .default_trigger       = "default-on",
 239          .gpio                  = 126,
 240          },
 241         {
 242          .name                  = "stalker:D9:usr1",
 243          .default_trigger       = "default-on",
 244          .gpio                  = 127,
 245          },
 246         {
 247          .name                  = "stalker:D3:mmc0",
 248          .gpio                  = -EINVAL,      /* gets replaced */
 249          .active_low            = true,
 250          .default_trigger       = "mmc0",
 251          },
 252         {
 253          .name                  = "stalker:D4:heartbeat",
 254          .gpio                  = -EINVAL,      /* gets replaced */
 255          .active_low            = true,
 256          .default_trigger       = "heartbeat",
 257          },
 258 };
 259
 260 static struct gpio_led_platform_data gpio_led_info = {
 261         .leds           = gpio_leds,
 262         .num_leds       = ARRAY_SIZE(gpio_leds),
 263 };
 264
 265 static struct platform_device leds_gpio = {
 266         .name   = "leds-gpio",
 267         .id     = -1,
 268         .dev    = {
 269                 .platform_data  = &gpio_led_info,
 270         },
 271 };
 272
 273 static int
 274 omap3stalker_twl_gpio_setup(struct device *dev,
 275                             unsigned gpio, unsigned ngpio)
 276 {
 277         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 278         mmc[0].gpio_cd = gpio + 0;
 279         omap_hsmmc_late_init(mmc);
 280
 281         /*
 282          * Most GPIOs are for USB OTG.  Some are mostly sent to
 283          * the P2 connector; notably LEDA for the LCD backlight.
 284          */
 285
 286         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 287         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 288                          "EN_LCD_BKL");
 289
 290         /* gpio + 7 == DVI Enable */
 291         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 292
 293         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 294         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 295         /* GPIO + 13 == ledsync (out, heartbeat) */
 296         gpio_leds[3].gpio = gpio + 13;
 297
 298         platform_device_register(&leds_gpio);
 299         return 0;
 300 }
 301
 302 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 303         .gpio_base      = OMAP_MAX_GPIO_LINES,
 304         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 305         .irq_end        = TWL4030_GPIO_IRQ_END,
 306         .use_leds       = true,
 307         .setup          = omap3stalker_twl_gpio_setup,
 308 };
 309
 310 static uint32_t board_keymap[] = {
 311         KEY(0, 0, KEY_LEFT),
 312         KEY(0, 1, KEY_DOWN),
 313         KEY(0, 2, KEY_ENTER),
 314         KEY(0, 3, KEY_M),
 315
 316         KEY(1, 0, KEY_RIGHT),
 317         KEY(1, 1, KEY_UP),
 318         KEY(1, 2, KEY_I),
 319         KEY(1, 3, KEY_N),
 320
 321         KEY(2, 0, KEY_A),
 322         KEY(2, 1, KEY_E),
 323         KEY(2, 2, KEY_J),
 324         KEY(2, 3, KEY_O),
 325
 326         KEY(3, 0, KEY_B),
 327         KEY(3, 1, KEY_F),
 328         KEY(3, 2, KEY_K),
 329         KEY(3, 3, KEY_P)
 330 };
 331
 332 static struct matrix_keymap_data board_map_data = {
 333         .keymap         = board_keymap,
 334         .keymap_size    = ARRAY_SIZE(board_keymap),
 335 };
 336
 337 static struct twl4030_keypad_data omap3stalker_kp_data = {
 338         .keymap_data    = &board_map_data,
 339         .rows           = 4,
 340         .cols           = 4,
 341         .rep            = 1,
 342 };
 343
 344 static struct twl4030_platform_data omap3stalker_twldata = {
 345         /* platform_data for children goes here */
 346         .keypad         = &omap3stalker_kp_data,
 347         .gpio           = &omap3stalker_gpio_data,
 348         .vmmc1          = &omap3stalker_vmmc1,
 349         .vsim           = &omap3stalker_vsim,
 350 };
 351
 352 static struct at24_platform_data fram_info = {
 353         .byte_len       = (64 * 1024) / 8,
 354         .page_size      = 8192,
 355         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 356 };
 357
 358 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 359         {
 360          I2C_BOARD_INFO("24c64", 0x50),
 361          .flags         = I2C_CLIENT_WAKE,
 362          .platform_data = &fram_info,
 363          },
 364 };
 365
 366 static int __init omap3_stalker_i2c_init(void)
 367 {
 368         omap3_pmic_get_config(&omap3stalker_twldata,
 369                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 370                         TWL_COMMON_PDATA_AUDIO,
 371                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 372
 373         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 374         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 375         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 376
 377         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 378         omap_register_i2c_bus(2, 400, NULL, 0);
 379         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 380                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 381         return 0;
 382 }
 383
 384 #define OMAP3_STALKER_TS_GPIO   175
 385
 386 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 387 };
 388
 389 static struct platform_device *omap3_stalker_devices[] __initdata = {
 390         &keys_gpio,
 391 };
 392
 393 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 394         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 395         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 396         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 397
 398         .phy_reset = true,
 399         .reset_gpio_port[0] = -EINVAL,
 400         .reset_gpio_port[1] = 21,
 401         .reset_gpio_port[2] = -EINVAL,
 402 };
 403
 404 #ifdef CONFIG_OMAP_MUX
 405 static struct omap_board_mux board_mux[] __initdata = {
 406         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 407                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 408         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 409                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 410         {.reg_offset = OMAP_MUX_TERMINATOR},
 411 };
 412 #endif
 413
 414 static struct regulator_consumer_supply dummy_supplies[] = {
 415         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 416         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 417 };
 418
 419 static void __init omap3_stalker_init(void)
 420 {
 421         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 422         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 423         omap_board_config = omap3_stalker_config;
 424         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 425
 426         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 427         omap_hsmmc_init(mmc);
 428
 429         omap3_stalker_i2c_init();
 430
 431         platform_add_devices(omap3_stalker_devices,
 432                              ARRAY_SIZE(omap3_stalker_devices));
 433
 434         omap_display_init(&omap3_stalker_dss_data);
 435
 436         omap_serial_init();
 437         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 438         usb_musb_init(NULL);
 439         usbhs_init(&usbhs_bdata);
 440         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 441
 442         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 443         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 444
 445         omap3stalker_init_eth();
 446         omap3_stalker_display_init();
 447 /* Ensure SDRC pins are mux'd for self-refresh */
 448         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 449         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 450 }
 451
 452 MACHINE_START(SBC3530, "OMAP3 STALKER")
 453         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 454         .atag_offset            = 0x100,
 455         .map_io                 = omap3_map_io,
 456         .init_early             = omap35xx_init_early,
 457         .init_irq               = omap3_init_irq,
 458         .handle_irq             = omap3_intc_handle_irq,
 459         .init_machine           = omap3_stalker_init,
 460         .timer                  = &omap3_secure_timer,
 461         .restart                = omap_prcm_restart,
 462 MACHINE_END