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 "common-board-devices.h"
  56
  57 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  58 #include <plat/gpmc-smsc911x.h>
  59
  60 #define OMAP3STALKER_ETHR_START 0x2c000000
  61 #define OMAP3STALKER_ETHR_SIZE  1024
  62 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  63 #define OMAP3STALKER_SMC911X_CS 5
  64
  65 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  66         .cs             = OMAP3STALKER_SMC911X_CS,
  67         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  68         .gpio_reset     = -EINVAL,
  69         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  70 };
  71
  72 static inline void __init omap3stalker_init_eth(void)
  73 {
  74         struct clk *l3ck;
  75         unsigned int rate;
  76
  77         l3ck = clk_get(NULL, "l3_ck");
  78         if (IS_ERR(l3ck))
  79                 rate = 100000000;
  80         else
  81                 rate = clk_get_rate(l3ck);
  82
  83         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  84         gpmc_smsc911x_init(&smsc911x_cfg);
  85 }
  86
  87 #else
  88 static inline void __init omap3stalker_init_eth(void)
  89 {
  90         return;
  91 }
  92 #endif
  93
  94 /*
  95  * OMAP3 DSS control signals
  96  */
  97
  98 #define DSS_ENABLE_GPIO 199
  99 #define LCD_PANEL_BKLIGHT_GPIO  210
 100 #define ENABLE_VPLL2_DEV_GRP    0xE0
 101
 102 static int lcd_enabled;
 103 static int dvi_enabled;
 104
 105 static void __init omap3_stalker_display_init(void)
 106 {
 107         return;
 108 }
 109
 110 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
 111 {
 112         if (dvi_enabled) {
 113                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 114                 return -EINVAL;
 115         }
 116         gpio_set_value(DSS_ENABLE_GPIO, 1);
 117         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
 118         lcd_enabled = 1;
 119         return 0;
 120 }
 121
 122 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
 123 {
 124         gpio_set_value(DSS_ENABLE_GPIO, 0);
 125         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
 126         lcd_enabled = 0;
 127 }
 128
 129 static struct panel_generic_dpi_data lcd_panel = {
 130         .name                   = "generic",
 131         .platform_enable        = omap3_stalker_enable_lcd,
 132         .platform_disable       = omap3_stalker_disable_lcd,
 133 };
 134
 135 static struct omap_dss_device omap3_stalker_lcd_device = {
 136         .name                   = "lcd",
 137         .driver_name            = "generic_dpi_panel",
 138         .data                   = &lcd_panel,
 139         .phy.dpi.data_lines     = 24,
 140         .type                   = OMAP_DISPLAY_TYPE_DPI,
 141 };
 142
 143 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 144 {
 145         return 0;
 146 }
 147
 148 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 149 {
 150 }
 151
 152 static struct omap_dss_device omap3_stalker_tv_device = {
 153         .name                   = "tv",
 154         .driver_name            = "venc",
 155         .type                   = OMAP_DISPLAY_TYPE_VENC,
 156 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 157         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 158 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 159         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 160 #endif
 161         .platform_enable        = omap3_stalker_enable_tv,
 162         .platform_disable       = omap3_stalker_disable_tv,
 163 };
 164
 165 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 166 {
 167         if (lcd_enabled) {
 168                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 169                 return -EINVAL;
 170         }
 171         gpio_set_value(DSS_ENABLE_GPIO, 1);
 172         dvi_enabled = 1;
 173         return 0;
 174 }
 175
 176 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 177 {
 178         gpio_set_value(DSS_ENABLE_GPIO, 0);
 179         dvi_enabled = 0;
 180 }
 181
 182 static struct panel_generic_dpi_data dvi_panel = {
 183         .name                   = "generic",
 184         .platform_enable        = omap3_stalker_enable_dvi,
 185         .platform_disable       = omap3_stalker_disable_dvi,
 186 };
 187
 188 static struct omap_dss_device omap3_stalker_dvi_device = {
 189         .name                   = "dvi",
 190         .type                   = OMAP_DISPLAY_TYPE_DPI,
 191         .driver_name            = "generic_dpi_panel",
 192         .data                   = &dvi_panel,
 193         .phy.dpi.data_lines     = 24,
 194 };
 195
 196 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 197         &omap3_stalker_lcd_device,
 198         &omap3_stalker_tv_device,
 199         &omap3_stalker_dvi_device,
 200 };
 201
 202 static struct omap_dss_board_info omap3_stalker_dss_data = {
 203         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 204         .devices        = omap3_stalker_dss_devices,
 205         .default_device = &omap3_stalker_dvi_device,
 206 };
 207
 208 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 209         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 210 };
 211
 212 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 213         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 214 };
 215
 216 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 217 static struct regulator_init_data omap3stalker_vmmc1 = {
 218         .constraints            = {
 219                 .min_uV                 = 1850000,
 220                 .max_uV                 = 3150000,
 221                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 222                 | REGULATOR_MODE_STANDBY,
 223                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 224                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 225         },
 226         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 227         .consumer_supplies      = omap3stalker_vmmc1_supply,
 228 };
 229
 230 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 231 static struct regulator_init_data omap3stalker_vsim = {
 232         .constraints            = {
 233                 .min_uV                 = 1800000,
 234                 .max_uV                 = 3000000,
 235                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 236                 | REGULATOR_MODE_STANDBY,
 237                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 238                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 239         },
 240         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 241         .consumer_supplies      = omap3stalker_vsim_supply,
 242 };
 243
 244 static struct omap2_hsmmc_info mmc[] = {
 245         {
 246          .mmc           = 1,
 247          .caps          = MMC_CAP_4_BIT_DATA,
 248          .gpio_cd       = -EINVAL,
 249          .gpio_wp       = 23,
 250          },
 251         {}                      /* Terminator */
 252 };
 253
 254 static struct gpio_keys_button gpio_buttons[] = {
 255         {
 256          .code          = BTN_EXTRA,
 257          .gpio          = 18,
 258          .desc          = "user",
 259          .wakeup        = 1,
 260          },
 261 };
 262
 263 static struct gpio_keys_platform_data gpio_key_info = {
 264         .buttons        = gpio_buttons,
 265         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 266 };
 267
 268 static struct platform_device keys_gpio = {
 269         .name           = "gpio-keys",
 270         .id             = -1,
 271         .dev            = {
 272                 .platform_data  = &gpio_key_info,
 273         },
 274 };
 275
 276 static struct gpio_led gpio_leds[] = {
 277         {
 278          .name                  = "stalker:D8:usr0",
 279          .default_trigger       = "default-on",
 280          .gpio                  = 126,
 281          },
 282         {
 283          .name                  = "stalker:D9:usr1",
 284          .default_trigger       = "default-on",
 285          .gpio                  = 127,
 286          },
 287         {
 288          .name                  = "stalker:D3:mmc0",
 289          .gpio                  = -EINVAL,      /* gets replaced */
 290          .active_low            = true,
 291          .default_trigger       = "mmc0",
 292          },
 293         {
 294          .name                  = "stalker:D4:heartbeat",
 295          .gpio                  = -EINVAL,      /* gets replaced */
 296          .active_low            = true,
 297          .default_trigger       = "heartbeat",
 298          },
 299 };
 300
 301 static struct gpio_led_platform_data gpio_led_info = {
 302         .leds           = gpio_leds,
 303         .num_leds       = ARRAY_SIZE(gpio_leds),
 304 };
 305
 306 static struct platform_device leds_gpio = {
 307         .name   = "leds-gpio",
 308         .id     = -1,
 309         .dev    = {
 310                 .platform_data  = &gpio_led_info,
 311         },
 312 };
 313
 314 static int
 315 omap3stalker_twl_gpio_setup(struct device *dev,
 316                             unsigned gpio, unsigned ngpio)
 317 {
 318         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 319         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 320         mmc[0].gpio_cd = gpio + 0;
 321         omap2_hsmmc_init(mmc);
 322
 323         /*
 324          * Most GPIOs are for USB OTG.  Some are mostly sent to
 325          * the P2 connector; notably LEDA for the LCD backlight.
 326          */
 327
 328         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 329         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 330                          "EN_LCD_BKL");
 331
 332         /* gpio + 7 == DVI Enable */
 333         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 334
 335         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 336         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 337         /* GPIO + 13 == ledsync (out, heartbeat) */
 338         gpio_leds[3].gpio = gpio + 13;
 339
 340         platform_device_register(&leds_gpio);
 341         return 0;
 342 }
 343
 344 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 345         .gpio_base      = OMAP_MAX_GPIO_LINES,
 346         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 347         .irq_end        = TWL4030_GPIO_IRQ_END,
 348         .use_leds       = true,
 349         .setup          = omap3stalker_twl_gpio_setup,
 350 };
 351
 352 static uint32_t board_keymap[] = {
 353         KEY(0, 0, KEY_LEFT),
 354         KEY(0, 1, KEY_DOWN),
 355         KEY(0, 2, KEY_ENTER),
 356         KEY(0, 3, KEY_M),
 357
 358         KEY(1, 0, KEY_RIGHT),
 359         KEY(1, 1, KEY_UP),
 360         KEY(1, 2, KEY_I),
 361         KEY(1, 3, KEY_N),
 362
 363         KEY(2, 0, KEY_A),
 364         KEY(2, 1, KEY_E),
 365         KEY(2, 2, KEY_J),
 366         KEY(2, 3, KEY_O),
 367
 368         KEY(3, 0, KEY_B),
 369         KEY(3, 1, KEY_F),
 370         KEY(3, 2, KEY_K),
 371         KEY(3, 3, KEY_P)
 372 };
 373
 374 static struct matrix_keymap_data board_map_data = {
 375         .keymap         = board_keymap,
 376         .keymap_size    = ARRAY_SIZE(board_keymap),
 377 };
 378
 379 static struct twl4030_keypad_data omap3stalker_kp_data = {
 380         .keymap_data    = &board_map_data,
 381         .rows           = 4,
 382         .cols           = 4,
 383         .rep            = 1,
 384 };
 385
 386 static struct twl4030_platform_data omap3stalker_twldata = {
 387         /* platform_data for children goes here */
 388         .keypad         = &omap3stalker_kp_data,
 389         .gpio           = &omap3stalker_gpio_data,
 390         .vmmc1          = &omap3stalker_vmmc1,
 391         .vsim           = &omap3stalker_vsim,
 392 };
 393
 394 static struct at24_platform_data fram_info = {
 395         .byte_len       = (64 * 1024) / 8,
 396         .page_size      = 8192,
 397         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 398 };
 399
 400 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 401         {
 402          I2C_BOARD_INFO("24c64", 0x50),
 403          .flags         = I2C_CLIENT_WAKE,
 404          .platform_data = &fram_info,
 405          },
 406 };
 407
 408 static int __init omap3_stalker_i2c_init(void)
 409 {
 410         omap3_pmic_get_config(&omap3stalker_twldata,
 411                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 412                         TWL_COMMON_PDATA_AUDIO,
 413                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 414
 415         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 416         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 417         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 418
 419         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 420         omap_register_i2c_bus(2, 400, NULL, 0);
 421         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 422                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 423         return 0;
 424 }
 425
 426 #define OMAP3_STALKER_TS_GPIO   175
 427
 428 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 429 };
 430
 431 static void __init omap3_stalker_init_early(void)
 432 {
 433         omap2_init_common_infrastructure();
 434         omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 435 }
 436
 437 static void __init omap3_stalker_init_irq(void)
 438 {
 439         omap3_init_irq();
 440 }
 441
 442 static struct platform_device *omap3_stalker_devices[] __initdata = {
 443         &keys_gpio,
 444 };
 445
 446 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 447         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 448         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 449         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 450
 451         .phy_reset = true,
 452         .reset_gpio_port[0] = -EINVAL,
 453         .reset_gpio_port[1] = 21,
 454         .reset_gpio_port[2] = -EINVAL,
 455 };
 456
 457 #ifdef CONFIG_OMAP_MUX
 458 static struct omap_board_mux board_mux[] __initdata = {
 459         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 460                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 461         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 462                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 463         {.reg_offset = OMAP_MUX_TERMINATOR},
 464 };
 465 #endif
 466
 467 static void __init omap3_stalker_init(void)
 468 {
 469         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 470         omap_board_config = omap3_stalker_config;
 471         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 472
 473         omap3_stalker_i2c_init();
 474
 475         platform_add_devices(omap3_stalker_devices,
 476                              ARRAY_SIZE(omap3_stalker_devices));
 477
 478         omap_display_init(&omap3_stalker_dss_data);
 479
 480         omap_serial_init();
 481         usb_musb_init(NULL);
 482         usbhs_init(&usbhs_bdata);
 483         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 484
 485         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 486         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 487
 488         omap3stalker_init_eth();
 489         omap3_stalker_display_init();
 490 /* Ensure SDRC pins are mux'd for self-refresh */
 491         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 492         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 493 }
 494
 495 MACHINE_START(SBC3530, "OMAP3 STALKER")
 496         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 497         .atag_offset            = 0x100,
 498         .map_io                 = omap3_map_io,
 499         .init_early             = omap3_stalker_init_early,
 500         .init_irq               = omap3_stalker_init_irq,
 501         .init_machine           = omap3_stalker_init,
 502         .timer                  = &omap3_secure_timer,
 503 MACHINE_END