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-tfp410.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 void __init omap3_stalker_display_init(void)
  96 {
  97         return;
  98 }
  99
 100 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 101 {
 102         return 0;
 103 }
 104
 105 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 106 {
 107 }
 108
 109 static struct omap_dss_device omap3_stalker_tv_device = {
 110         .name                   = "tv",
 111         .driver_name            = "venc",
 112         .type                   = OMAP_DISPLAY_TYPE_VENC,
 113 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 114         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 115 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 116         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 117 #endif
 118         .platform_enable        = omap3_stalker_enable_tv,
 119         .platform_disable       = omap3_stalker_disable_tv,
 120 };
 121
 122 static struct tfp410_platform_data dvi_panel = {
 123         .power_down_gpio        = DSS_ENABLE_GPIO,
 124 };
 125
 126 static struct omap_dss_device omap3_stalker_dvi_device = {
 127         .name                   = "dvi",
 128         .type                   = OMAP_DISPLAY_TYPE_DPI,
 129         .driver_name            = "tfp410",
 130         .data                   = &dvi_panel,
 131         .phy.dpi.data_lines     = 24,
 132 };
 133
 134 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 135         &omap3_stalker_tv_device,
 136         &omap3_stalker_dvi_device,
 137 };
 138
 139 static struct omap_dss_board_info omap3_stalker_dss_data = {
 140         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 141         .devices        = omap3_stalker_dss_devices,
 142         .default_device = &omap3_stalker_dvi_device,
 143 };
 144
 145 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 146         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 147 };
 148
 149 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 150         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 151 };
 152
 153 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 154 static struct regulator_init_data omap3stalker_vmmc1 = {
 155         .constraints            = {
 156                 .min_uV                 = 1850000,
 157                 .max_uV                 = 3150000,
 158                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 159                 | REGULATOR_MODE_STANDBY,
 160                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 161                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 162         },
 163         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 164         .consumer_supplies      = omap3stalker_vmmc1_supply,
 165 };
 166
 167 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 168 static struct regulator_init_data omap3stalker_vsim = {
 169         .constraints            = {
 170                 .min_uV                 = 1800000,
 171                 .max_uV                 = 3000000,
 172                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 173                 | REGULATOR_MODE_STANDBY,
 174                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 175                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 176         },
 177         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 178         .consumer_supplies      = omap3stalker_vsim_supply,
 179 };
 180
 181 static struct omap2_hsmmc_info mmc[] = {
 182         {
 183                 .mmc            = 1,
 184                 .caps           = MMC_CAP_4_BIT_DATA,
 185                 .gpio_cd        = -EINVAL,
 186                 .gpio_wp        = 23,
 187                 .deferred       = true,
 188          },
 189         {}                      /* Terminator */
 190 };
 191
 192 static struct gpio_keys_button gpio_buttons[] = {
 193         {
 194          .code          = BTN_EXTRA,
 195          .gpio          = 18,
 196          .desc          = "user",
 197          .wakeup        = 1,
 198          },
 199 };
 200
 201 static struct gpio_keys_platform_data gpio_key_info = {
 202         .buttons        = gpio_buttons,
 203         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 204 };
 205
 206 static struct platform_device keys_gpio = {
 207         .name           = "gpio-keys",
 208         .id             = -1,
 209         .dev            = {
 210                 .platform_data  = &gpio_key_info,
 211         },
 212 };
 213
 214 static struct gpio_led gpio_leds[] = {
 215         {
 216          .name                  = "stalker:D8:usr0",
 217          .default_trigger       = "default-on",
 218          .gpio                  = 126,
 219          },
 220         {
 221          .name                  = "stalker:D9:usr1",
 222          .default_trigger       = "default-on",
 223          .gpio                  = 127,
 224          },
 225         {
 226          .name                  = "stalker:D3:mmc0",
 227          .gpio                  = -EINVAL,      /* gets replaced */
 228          .active_low            = true,
 229          .default_trigger       = "mmc0",
 230          },
 231         {
 232          .name                  = "stalker:D4:heartbeat",
 233          .gpio                  = -EINVAL,      /* gets replaced */
 234          .active_low            = true,
 235          .default_trigger       = "heartbeat",
 236          },
 237 };
 238
 239 static struct gpio_led_platform_data gpio_led_info = {
 240         .leds           = gpio_leds,
 241         .num_leds       = ARRAY_SIZE(gpio_leds),
 242 };
 243
 244 static struct platform_device leds_gpio = {
 245         .name   = "leds-gpio",
 246         .id     = -1,
 247         .dev    = {
 248                 .platform_data  = &gpio_led_info,
 249         },
 250 };
 251
 252 static int
 253 omap3stalker_twl_gpio_setup(struct device *dev,
 254                             unsigned gpio, unsigned ngpio)
 255 {
 256         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 257         mmc[0].gpio_cd = gpio + 0;
 258         omap_hsmmc_late_init(mmc);
 259
 260         /*
 261          * Most GPIOs are for USB OTG.  Some are mostly sent to
 262          * the P2 connector; notably LEDA for the LCD backlight.
 263          */
 264
 265         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 266         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 267                          "EN_LCD_BKL");
 268
 269         /* gpio + 7 == DVI Enable */
 270         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 271
 272         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 273         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 274         /* GPIO + 13 == ledsync (out, heartbeat) */
 275         gpio_leds[3].gpio = gpio + 13;
 276
 277         platform_device_register(&leds_gpio);
 278         return 0;
 279 }
 280
 281 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 282         .gpio_base      = OMAP_MAX_GPIO_LINES,
 283         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 284         .irq_end        = TWL4030_GPIO_IRQ_END,
 285         .use_leds       = true,
 286         .setup          = omap3stalker_twl_gpio_setup,
 287 };
 288
 289 static uint32_t board_keymap[] = {
 290         KEY(0, 0, KEY_LEFT),
 291         KEY(0, 1, KEY_DOWN),
 292         KEY(0, 2, KEY_ENTER),
 293         KEY(0, 3, KEY_M),
 294
 295         KEY(1, 0, KEY_RIGHT),
 296         KEY(1, 1, KEY_UP),
 297         KEY(1, 2, KEY_I),
 298         KEY(1, 3, KEY_N),
 299
 300         KEY(2, 0, KEY_A),
 301         KEY(2, 1, KEY_E),
 302         KEY(2, 2, KEY_J),
 303         KEY(2, 3, KEY_O),
 304
 305         KEY(3, 0, KEY_B),
 306         KEY(3, 1, KEY_F),
 307         KEY(3, 2, KEY_K),
 308         KEY(3, 3, KEY_P)
 309 };
 310
 311 static struct matrix_keymap_data board_map_data = {
 312         .keymap         = board_keymap,
 313         .keymap_size    = ARRAY_SIZE(board_keymap),
 314 };
 315
 316 static struct twl4030_keypad_data omap3stalker_kp_data = {
 317         .keymap_data    = &board_map_data,
 318         .rows           = 4,
 319         .cols           = 4,
 320         .rep            = 1,
 321 };
 322
 323 static struct twl4030_platform_data omap3stalker_twldata = {
 324         /* platform_data for children goes here */
 325         .keypad         = &omap3stalker_kp_data,
 326         .gpio           = &omap3stalker_gpio_data,
 327         .vmmc1          = &omap3stalker_vmmc1,
 328         .vsim           = &omap3stalker_vsim,
 329 };
 330
 331 static struct at24_platform_data fram_info = {
 332         .byte_len       = (64 * 1024) / 8,
 333         .page_size      = 8192,
 334         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 335 };
 336
 337 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 338         {
 339          I2C_BOARD_INFO("24c64", 0x50),
 340          .flags         = I2C_CLIENT_WAKE,
 341          .platform_data = &fram_info,
 342          },
 343 };
 344
 345 static int __init omap3_stalker_i2c_init(void)
 346 {
 347         omap3_pmic_get_config(&omap3stalker_twldata,
 348                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 349                         TWL_COMMON_PDATA_AUDIO,
 350                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 351
 352         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 353         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 354         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 355
 356         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 357         omap_register_i2c_bus(2, 400, NULL, 0);
 358         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 359                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 360         return 0;
 361 }
 362
 363 #define OMAP3_STALKER_TS_GPIO   175
 364
 365 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 366 };
 367
 368 static struct platform_device *omap3_stalker_devices[] __initdata = {
 369         &keys_gpio,
 370 };
 371
 372 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 373         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 374         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 375         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 376
 377         .phy_reset = true,
 378         .reset_gpio_port[0] = -EINVAL,
 379         .reset_gpio_port[1] = 21,
 380         .reset_gpio_port[2] = -EINVAL,
 381 };
 382
 383 #ifdef CONFIG_OMAP_MUX
 384 static struct omap_board_mux board_mux[] __initdata = {
 385         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 386                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 387         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 388                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 389         {.reg_offset = OMAP_MUX_TERMINATOR},
 390 };
 391 #endif
 392
 393 static struct regulator_consumer_supply dummy_supplies[] = {
 394         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 395         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 396 };
 397
 398 static void __init omap3_stalker_init(void)
 399 {
 400         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 401         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 402         omap_board_config = omap3_stalker_config;
 403         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 404
 405         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 406         omap_hsmmc_init(mmc);
 407
 408         omap3_stalker_i2c_init();
 409
 410         platform_add_devices(omap3_stalker_devices,
 411                              ARRAY_SIZE(omap3_stalker_devices));
 412
 413         omap_display_init(&omap3_stalker_dss_data);
 414
 415         omap_serial_init();
 416         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 417         usb_musb_init(NULL);
 418         usbhs_init(&usbhs_bdata);
 419         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 420
 421         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 422         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 423
 424         omap3stalker_init_eth();
 425         omap3_stalker_display_init();
 426 /* Ensure SDRC pins are mux'd for self-refresh */
 427         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 428         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 429 }
 430
 431 MACHINE_START(SBC3530, "OMAP3 STALKER")
 432         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 433         .atag_offset            = 0x100,
 434         .map_io                 = omap3_map_io,
 435         .init_early             = omap35xx_init_early,
 436         .init_irq               = omap3_init_irq,
 437         .handle_irq             = omap3_intc_handle_irq,
 438         .init_machine           = omap3_stalker_init,
 439         .init_late              = omap35xx_init_late,
 440         .timer                  = &omap3_secure_timer,
 441         .restart                = omap_prcm_restart,
 442 MACHINE_END