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 #include <linux/input/matrix_keypad.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/interrupt.h>
  34 #include <linux/smsc911x.h>
  35 #include <linux/i2c/at24.h>
  36 #include <linux/usb/phy.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/flash.h>
  42
  43 #include "common.h"
  44 #include "gpmc.h"
  45 #include <linux/platform_data/mtd-nand-omap2.h>
  46 #include <video/omapdss.h>
  47 #include <video/omap-panel-data.h>
  48
  49 #include <linux/platform_data/spi-omap2-mcspi.h>
  50
  51 #include "sdram-micron-mt46h32m32lf-6.h"
  52 #include "mux.h"
  53 #include "hsmmc.h"
  54 #include "common-board-devices.h"
  55
  56 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  57 #include "gpmc-smsc911x.h"
  58
  59 #define OMAP3STALKER_ETHR_START 0x2c000000
  60 #define OMAP3STALKER_ETHR_SIZE  1024
  61 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  62 #define OMAP3STALKER_SMC911X_CS 5
  63
  64 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  65         .cs             = OMAP3STALKER_SMC911X_CS,
  66         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  67         .gpio_reset     = -EINVAL,
  68         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  69 };
  70
  71 static inline void __init omap3stalker_init_eth(void)
  72 {
  73         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  74         gpmc_smsc911x_init(&smsc911x_cfg);
  75 }
  76
  77 #else
  78 static inline void __init omap3stalker_init_eth(void)
  79 {
  80         return;
  81 }
  82 #endif
  83
  84 /*
  85  * OMAP3 DSS control signals
  86  */
  87
  88 #define DSS_ENABLE_GPIO 199
  89 #define LCD_PANEL_BKLIGHT_GPIO  210
  90 #define ENABLE_VPLL2_DEV_GRP    0xE0
  91
  92 static void __init omap3_stalker_display_init(void)
  93 {
  94         return;
  95 }
  96
  97 static struct omap_dss_device omap3_stalker_tv_device = {
  98         .name                   = "tv",
  99         .driver_name            = "venc",
 100         .type                   = OMAP_DISPLAY_TYPE_VENC,
 101 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 102         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 103 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 104         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 105 #endif
 106 };
 107
 108 static struct tfp410_platform_data dvi_panel = {
 109         .power_down_gpio        = DSS_ENABLE_GPIO,
 110         .i2c_bus_num            = -1,
 111 };
 112
 113 static struct omap_dss_device omap3_stalker_dvi_device = {
 114         .name                   = "dvi",
 115         .type                   = OMAP_DISPLAY_TYPE_DPI,
 116         .driver_name            = "tfp410",
 117         .data                   = &dvi_panel,
 118         .phy.dpi.data_lines     = 24,
 119 };
 120
 121 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 122         &omap3_stalker_tv_device,
 123         &omap3_stalker_dvi_device,
 124 };
 125
 126 static struct omap_dss_board_info omap3_stalker_dss_data = {
 127         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 128         .devices        = omap3_stalker_dss_devices,
 129         .default_device = &omap3_stalker_dvi_device,
 130 };
 131
 132 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 133         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 134 };
 135
 136 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 137         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 138 };
 139
 140 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 141 static struct regulator_init_data omap3stalker_vmmc1 = {
 142         .constraints            = {
 143                 .min_uV                 = 1850000,
 144                 .max_uV                 = 3150000,
 145                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 146                 | REGULATOR_MODE_STANDBY,
 147                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 148                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 149         },
 150         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 151         .consumer_supplies      = omap3stalker_vmmc1_supply,
 152 };
 153
 154 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 155 static struct regulator_init_data omap3stalker_vsim = {
 156         .constraints            = {
 157                 .min_uV                 = 1800000,
 158                 .max_uV                 = 3000000,
 159                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 160                 | REGULATOR_MODE_STANDBY,
 161                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 162                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 163         },
 164         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 165         .consumer_supplies      = omap3stalker_vsim_supply,
 166 };
 167
 168 static struct omap2_hsmmc_info mmc[] = {
 169         {
 170                 .mmc            = 1,
 171                 .caps           = MMC_CAP_4_BIT_DATA,
 172                 .gpio_cd        = -EINVAL,
 173                 .gpio_wp        = 23,
 174                 .deferred       = true,
 175          },
 176         {}                      /* Terminator */
 177 };
 178
 179 static struct gpio_keys_button gpio_buttons[] = {
 180         {
 181          .code          = BTN_EXTRA,
 182          .gpio          = 18,
 183          .desc          = "user",
 184          .wakeup        = 1,
 185          },
 186 };
 187
 188 static struct gpio_keys_platform_data gpio_key_info = {
 189         .buttons        = gpio_buttons,
 190         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 191 };
 192
 193 static struct platform_device keys_gpio = {
 194         .name           = "gpio-keys",
 195         .id             = -1,
 196         .dev            = {
 197                 .platform_data  = &gpio_key_info,
 198         },
 199 };
 200
 201 static struct gpio_led gpio_leds[] = {
 202         {
 203          .name                  = "stalker:D8:usr0",
 204          .default_trigger       = "default-on",
 205          .gpio                  = 126,
 206          },
 207         {
 208          .name                  = "stalker:D9:usr1",
 209          .default_trigger       = "default-on",
 210          .gpio                  = 127,
 211          },
 212         {
 213          .name                  = "stalker:D3:mmc0",
 214          .gpio                  = -EINVAL,      /* gets replaced */
 215          .active_low            = true,
 216          .default_trigger       = "mmc0",
 217          },
 218         {
 219          .name                  = "stalker:D4:heartbeat",
 220          .gpio                  = -EINVAL,      /* gets replaced */
 221          .active_low            = true,
 222          .default_trigger       = "heartbeat",
 223          },
 224 };
 225
 226 static struct gpio_led_platform_data gpio_led_info = {
 227         .leds           = gpio_leds,
 228         .num_leds       = ARRAY_SIZE(gpio_leds),
 229 };
 230
 231 static struct platform_device leds_gpio = {
 232         .name   = "leds-gpio",
 233         .id     = -1,
 234         .dev    = {
 235                 .platform_data  = &gpio_led_info,
 236         },
 237 };
 238
 239 static int
 240 omap3stalker_twl_gpio_setup(struct device *dev,
 241                             unsigned gpio, unsigned ngpio)
 242 {
 243         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 244         mmc[0].gpio_cd = gpio + 0;
 245         omap_hsmmc_late_init(mmc);
 246
 247         /*
 248          * Most GPIOs are for USB OTG.  Some are mostly sent to
 249          * the P2 connector; notably LEDA for the LCD backlight.
 250          */
 251
 252         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 253         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 254                          "EN_LCD_BKL");
 255
 256         /* gpio + 7 == DVI Enable */
 257         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 258
 259         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 260         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 261         /* GPIO + 13 == ledsync (out, heartbeat) */
 262         gpio_leds[3].gpio = gpio + 13;
 263
 264         platform_device_register(&leds_gpio);
 265         return 0;
 266 }
 267
 268 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 269         .use_leds       = true,
 270         .setup          = omap3stalker_twl_gpio_setup,
 271 };
 272
 273 static uint32_t board_keymap[] = {
 274         KEY(0, 0, KEY_LEFT),
 275         KEY(0, 1, KEY_DOWN),
 276         KEY(0, 2, KEY_ENTER),
 277         KEY(0, 3, KEY_M),
 278
 279         KEY(1, 0, KEY_RIGHT),
 280         KEY(1, 1, KEY_UP),
 281         KEY(1, 2, KEY_I),
 282         KEY(1, 3, KEY_N),
 283
 284         KEY(2, 0, KEY_A),
 285         KEY(2, 1, KEY_E),
 286         KEY(2, 2, KEY_J),
 287         KEY(2, 3, KEY_O),
 288
 289         KEY(3, 0, KEY_B),
 290         KEY(3, 1, KEY_F),
 291         KEY(3, 2, KEY_K),
 292         KEY(3, 3, KEY_P)
 293 };
 294
 295 static struct matrix_keymap_data board_map_data = {
 296         .keymap         = board_keymap,
 297         .keymap_size    = ARRAY_SIZE(board_keymap),
 298 };
 299
 300 static struct twl4030_keypad_data omap3stalker_kp_data = {
 301         .keymap_data    = &board_map_data,
 302         .rows           = 4,
 303         .cols           = 4,
 304         .rep            = 1,
 305 };
 306
 307 static struct twl4030_platform_data omap3stalker_twldata = {
 308         /* platform_data for children goes here */
 309         .keypad         = &omap3stalker_kp_data,
 310         .gpio           = &omap3stalker_gpio_data,
 311         .vmmc1          = &omap3stalker_vmmc1,
 312         .vsim           = &omap3stalker_vsim,
 313 };
 314
 315 static struct at24_platform_data fram_info = {
 316         .byte_len       = (64 * 1024) / 8,
 317         .page_size      = 8192,
 318         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 319 };
 320
 321 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 322         {
 323          I2C_BOARD_INFO("24c64", 0x50),
 324          .flags         = I2C_CLIENT_WAKE,
 325          .platform_data = &fram_info,
 326          },
 327 };
 328
 329 static int __init omap3_stalker_i2c_init(void)
 330 {
 331         omap3_pmic_get_config(&omap3stalker_twldata,
 332                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 333                         TWL_COMMON_PDATA_AUDIO,
 334                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 335
 336         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 337         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 338         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 339
 340         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 341         omap_register_i2c_bus(2, 400, NULL, 0);
 342         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 343                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 344         return 0;
 345 }
 346
 347 #define OMAP3_STALKER_TS_GPIO   175
 348
 349 static struct usbhs_phy_data phy_data[] __initdata = {
 350         {
 351                 .port = 2,
 352                 .reset_gpio = 21,
 353                 .vcc_gpio = -EINVAL,
 354         },
 355 };
 356
 357 static struct platform_device *omap3_stalker_devices[] __initdata = {
 358         &keys_gpio,
 359 };
 360
 361 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 362         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 363 };
 364
 365 #ifdef CONFIG_OMAP_MUX
 366 static struct omap_board_mux board_mux[] __initdata = {
 367         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 368                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 369         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 370                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 371         {.reg_offset = OMAP_MUX_TERMINATOR},
 372 };
 373 #endif
 374
 375 static struct regulator_consumer_supply dummy_supplies[] = {
 376         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 377         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 378 };
 379
 380 static void __init omap3_stalker_init(void)
 381 {
 382         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 383         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 384
 385         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 386         omap_hsmmc_init(mmc);
 387
 388         omap3_stalker_i2c_init();
 389
 390         platform_add_devices(omap3_stalker_devices,
 391                              ARRAY_SIZE(omap3_stalker_devices));
 392
 393         omap_display_init(&omap3_stalker_dss_data);
 394
 395         omap_serial_init();
 396         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 397         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 398         usb_musb_init(NULL);
 399
 400         usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
 401         usbhs_init(&usbhs_bdata);
 402         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 403
 404         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 405         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 406
 407         omap3stalker_init_eth();
 408         omap3_stalker_display_init();
 409 /* Ensure SDRC pins are mux'd for self-refresh */
 410         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 411         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 412 }
 413
 414 MACHINE_START(SBC3530, "OMAP3 STALKER")
 415         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 416         .atag_offset            = 0x100,
 417         .map_io                 = omap3_map_io,
 418         .init_early             = omap35xx_init_early,
 419         .init_irq               = omap3_init_irq,
 420         .handle_irq             = omap3_intc_handle_irq,
 421         .init_machine           = omap3_stalker_init,
 422         .init_late              = omap35xx_init_late,
 423         .init_time              = omap3_secure_sync32k_timer_init,
 424         .restart                = omap3xxx_restart,
 425 MACHINE_END