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
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/flash.h>
  41
  42 #include "common.h"
  43 #include <plat/gpmc.h>
  44 #include <linux/platform_data/mtd-nand-omap2.h>
  45 #include <plat/usb.h>
  46 #include <video/omapdss.h>
  47 #include <video/omap-panel-generic-dpi.h>
  48 #include <video/omap-panel-tfp410.h>
  49
  50 #include <linux/platform_data/spi-omap2-mcspi.h>
  51 #include <linux/input/matrix_keypad.h>
  52 #include <linux/spi/spi.h>
  53 #include <linux/interrupt.h>
  54 #include <linux/smsc911x.h>
  55 #include <linux/i2c/at24.h>
  56
  57 #include "sdram-micron-mt46h32m32lf-6.h"
  58 #include "mux.h"
  59 #include "hsmmc.h"
  60 #include "common-board-devices.h"
  61
  62 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  63 #include "gpmc-smsc911x.h"
  64
  65 #define OMAP3STALKER_ETHR_START 0x2c000000
  66 #define OMAP3STALKER_ETHR_SIZE  1024
  67 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  68 #define OMAP3STALKER_SMC911X_CS 5
  69
  70 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  71         .cs             = OMAP3STALKER_SMC911X_CS,
  72         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  73         .gpio_reset     = -EINVAL,
  74         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  75 };
  76
  77 static inline void __init omap3stalker_init_eth(void)
  78 {
  79         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  80         gpmc_smsc911x_init(&smsc911x_cfg);
  81 }
  82
  83 #else
  84 static inline void __init omap3stalker_init_eth(void)
  85 {
  86         return;
  87 }
  88 #endif
  89
  90 /*
  91  * OMAP3 DSS control signals
  92  */
  93
  94 #define DSS_ENABLE_GPIO 199
  95 #define LCD_PANEL_BKLIGHT_GPIO  210
  96 #define ENABLE_VPLL2_DEV_GRP    0xE0
  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 struct tfp410_platform_data dvi_panel = {
 126         .power_down_gpio        = DSS_ENABLE_GPIO,
 127 };
 128
 129 static struct omap_dss_device omap3_stalker_dvi_device = {
 130         .name                   = "dvi",
 131         .type                   = OMAP_DISPLAY_TYPE_DPI,
 132         .driver_name            = "tfp410",
 133         .data                   = &dvi_panel,
 134         .phy.dpi.data_lines     = 24,
 135 };
 136
 137 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 138         &omap3_stalker_tv_device,
 139         &omap3_stalker_dvi_device,
 140 };
 141
 142 static struct omap_dss_board_info omap3_stalker_dss_data = {
 143         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 144         .devices        = omap3_stalker_dss_devices,
 145         .default_device = &omap3_stalker_dvi_device,
 146 };
 147
 148 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 149         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 150 };
 151
 152 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 153         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 154 };
 155
 156 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 157 static struct regulator_init_data omap3stalker_vmmc1 = {
 158         .constraints            = {
 159                 .min_uV                 = 1850000,
 160                 .max_uV                 = 3150000,
 161                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 162                 | REGULATOR_MODE_STANDBY,
 163                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 164                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 165         },
 166         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 167         .consumer_supplies      = omap3stalker_vmmc1_supply,
 168 };
 169
 170 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 171 static struct regulator_init_data omap3stalker_vsim = {
 172         .constraints            = {
 173                 .min_uV                 = 1800000,
 174                 .max_uV                 = 3000000,
 175                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 176                 | REGULATOR_MODE_STANDBY,
 177                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 178                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 179         },
 180         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 181         .consumer_supplies      = omap3stalker_vsim_supply,
 182 };
 183
 184 static struct omap2_hsmmc_info mmc[] = {
 185         {
 186                 .mmc            = 1,
 187                 .caps           = MMC_CAP_4_BIT_DATA,
 188                 .gpio_cd        = -EINVAL,
 189                 .gpio_wp        = 23,
 190                 .deferred       = true,
 191          },
 192         {}                      /* Terminator */
 193 };
 194
 195 static struct gpio_keys_button gpio_buttons[] = {
 196         {
 197          .code          = BTN_EXTRA,
 198          .gpio          = 18,
 199          .desc          = "user",
 200          .wakeup        = 1,
 201          },
 202 };
 203
 204 static struct gpio_keys_platform_data gpio_key_info = {
 205         .buttons        = gpio_buttons,
 206         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 207 };
 208
 209 static struct platform_device keys_gpio = {
 210         .name           = "gpio-keys",
 211         .id             = -1,
 212         .dev            = {
 213                 .platform_data  = &gpio_key_info,
 214         },
 215 };
 216
 217 static struct gpio_led gpio_leds[] = {
 218         {
 219          .name                  = "stalker:D8:usr0",
 220          .default_trigger       = "default-on",
 221          .gpio                  = 126,
 222          },
 223         {
 224          .name                  = "stalker:D9:usr1",
 225          .default_trigger       = "default-on",
 226          .gpio                  = 127,
 227          },
 228         {
 229          .name                  = "stalker:D3:mmc0",
 230          .gpio                  = -EINVAL,      /* gets replaced */
 231          .active_low            = true,
 232          .default_trigger       = "mmc0",
 233          },
 234         {
 235          .name                  = "stalker:D4:heartbeat",
 236          .gpio                  = -EINVAL,      /* gets replaced */
 237          .active_low            = true,
 238          .default_trigger       = "heartbeat",
 239          },
 240 };
 241
 242 static struct gpio_led_platform_data gpio_led_info = {
 243         .leds           = gpio_leds,
 244         .num_leds       = ARRAY_SIZE(gpio_leds),
 245 };
 246
 247 static struct platform_device leds_gpio = {
 248         .name   = "leds-gpio",
 249         .id     = -1,
 250         .dev    = {
 251                 .platform_data  = &gpio_led_info,
 252         },
 253 };
 254
 255 static int
 256 omap3stalker_twl_gpio_setup(struct device *dev,
 257                             unsigned gpio, unsigned ngpio)
 258 {
 259         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 260         mmc[0].gpio_cd = gpio + 0;
 261         omap_hsmmc_late_init(mmc);
 262
 263         /*
 264          * Most GPIOs are for USB OTG.  Some are mostly sent to
 265          * the P2 connector; notably LEDA for the LCD backlight.
 266          */
 267
 268         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 269         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 270                          "EN_LCD_BKL");
 271
 272         /* gpio + 7 == DVI Enable */
 273         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 274
 275         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 276         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 277         /* GPIO + 13 == ledsync (out, heartbeat) */
 278         gpio_leds[3].gpio = gpio + 13;
 279
 280         platform_device_register(&leds_gpio);
 281         return 0;
 282 }
 283
 284 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 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 platform_device *omap3_stalker_devices[] __initdata = {
 366         &keys_gpio,
 367 };
 368
 369 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 370         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 371         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 372         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 373
 374         .phy_reset = true,
 375         .reset_gpio_port[0] = -EINVAL,
 376         .reset_gpio_port[1] = 21,
 377         .reset_gpio_port[2] = -EINVAL,
 378 };
 379
 380 #ifdef CONFIG_OMAP_MUX
 381 static struct omap_board_mux board_mux[] __initdata = {
 382         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 383                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 384         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 385                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 386         {.reg_offset = OMAP_MUX_TERMINATOR},
 387 };
 388 #endif
 389
 390 static struct regulator_consumer_supply dummy_supplies[] = {
 391         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 392         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 393 };
 394
 395 static void __init omap3_stalker_init(void)
 396 {
 397         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 398         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 399
 400         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 401         omap_hsmmc_init(mmc);
 402
 403         omap3_stalker_i2c_init();
 404
 405         platform_add_devices(omap3_stalker_devices,
 406                              ARRAY_SIZE(omap3_stalker_devices));
 407
 408         omap_display_init(&omap3_stalker_dss_data);
 409
 410         omap_serial_init();
 411         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 412         usb_musb_init(NULL);
 413         usbhs_init(&usbhs_bdata);
 414         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 415
 416         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 417         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 418
 419         omap3stalker_init_eth();
 420         omap3_stalker_display_init();
 421 /* Ensure SDRC pins are mux'd for self-refresh */
 422         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 423         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 424 }
 425
 426 MACHINE_START(SBC3530, "OMAP3 STALKER")
 427         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 428         .atag_offset            = 0x100,
 429         .map_io                 = omap3_map_io,
 430         .init_early             = omap35xx_init_early,
 431         .init_irq               = omap3_init_irq,
 432         .handle_irq             = omap3_intc_handle_irq,
 433         .init_machine           = omap3_stalker_init,
 434         .init_late              = omap35xx_init_late,
 435         .timer                  = &omap3_secure_timer,
 436         .restart                = omap_prcm_restart,
 437 MACHINE_END