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 #include <video/omap-panel-dvi.h>
  45
  46 #include <plat/mcspi.h>
  47 #include <linux/input/matrix_keypad.h>
  48 #include <linux/spi/spi.h>
  49 #include <linux/interrupt.h>
  50 #include <linux/smsc911x.h>
  51 #include <linux/i2c/at24.h>
  52
  53 #include "sdram-micron-mt46h32m32lf-6.h"
  54 #include "mux.h"
  55 #include "hsmmc.h"
  56 #include "common-board-devices.h"
  57
  58 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  59 #include <plat/gpmc-smsc911x.h>
  60
  61 #define OMAP3STALKER_ETHR_START 0x2c000000
  62 #define OMAP3STALKER_ETHR_SIZE  1024
  63 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  64 #define OMAP3STALKER_SMC911X_CS 5
  65
  66 static struct omap_smsc911x_platform_data smsc911x_cfg = {
  67         .cs             = OMAP3STALKER_SMC911X_CS,
  68         .gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
  69         .gpio_reset     = -EINVAL,
  70         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  71 };
  72
  73 static inline void __init omap3stalker_init_eth(void)
  74 {
  75         struct clk *l3ck;
  76         unsigned int rate;
  77
  78         l3ck = clk_get(NULL, "l3_ck");
  79         if (IS_ERR(l3ck))
  80                 rate = 100000000;
  81         else
  82                 rate = clk_get_rate(l3ck);
  83
  84         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  85         gpmc_smsc911x_init(&smsc911x_cfg);
  86 }
  87
  88 #else
  89 static inline void __init omap3stalker_init_eth(void)
  90 {
  91         return;
  92 }
  93 #endif
  94
  95 /*
  96  * OMAP3 DSS control signals
  97  */
  98
  99 #define DSS_ENABLE_GPIO 199
 100 #define LCD_PANEL_BKLIGHT_GPIO  210
 101 #define ENABLE_VPLL2_DEV_GRP    0xE0
 102
 103 static int lcd_enabled;
 104 static int dvi_enabled;
 105
 106 static void __init omap3_stalker_display_init(void)
 107 {
 108         return;
 109 }
 110
 111 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 112 {
 113         return 0;
 114 }
 115
 116 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 117 {
 118 }
 119
 120 static struct omap_dss_device omap3_stalker_tv_device = {
 121         .name                   = "tv",
 122         .driver_name            = "venc",
 123         .type                   = OMAP_DISPLAY_TYPE_VENC,
 124 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 125         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 126 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 127         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 128 #endif
 129         .platform_enable        = omap3_stalker_enable_tv,
 130         .platform_disable       = omap3_stalker_disable_tv,
 131 };
 132
 133 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 134 {
 135         if (lcd_enabled) {
 136                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 137                 return -EINVAL;
 138         }
 139         gpio_set_value(DSS_ENABLE_GPIO, 1);
 140         dvi_enabled = 1;
 141         return 0;
 142 }
 143
 144 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 145 {
 146         gpio_set_value(DSS_ENABLE_GPIO, 0);
 147         dvi_enabled = 0;
 148 }
 149
 150 static struct panel_dvi_platform_data dvi_panel = {
 151         .platform_enable        = omap3_stalker_enable_dvi,
 152         .platform_disable       = omap3_stalker_disable_dvi,
 153 };
 154
 155 static struct omap_dss_device omap3_stalker_dvi_device = {
 156         .name                   = "dvi",
 157         .type                   = OMAP_DISPLAY_TYPE_DPI,
 158         .driver_name            = "dvi",
 159         .data                   = &dvi_panel,
 160         .phy.dpi.data_lines     = 24,
 161 };
 162
 163 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 164         &omap3_stalker_tv_device,
 165         &omap3_stalker_dvi_device,
 166 };
 167
 168 static struct omap_dss_board_info omap3_stalker_dss_data = {
 169         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 170         .devices        = omap3_stalker_dss_devices,
 171         .default_device = &omap3_stalker_dvi_device,
 172 };
 173
 174 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 175         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 176 };
 177
 178 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 179         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 180 };
 181
 182 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 183 static struct regulator_init_data omap3stalker_vmmc1 = {
 184         .constraints            = {
 185                 .min_uV                 = 1850000,
 186                 .max_uV                 = 3150000,
 187                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 188                 | REGULATOR_MODE_STANDBY,
 189                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 190                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 191         },
 192         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 193         .consumer_supplies      = omap3stalker_vmmc1_supply,
 194 };
 195
 196 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 197 static struct regulator_init_data omap3stalker_vsim = {
 198         .constraints            = {
 199                 .min_uV                 = 1800000,
 200                 .max_uV                 = 3000000,
 201                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 202                 | REGULATOR_MODE_STANDBY,
 203                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 204                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 205         },
 206         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 207         .consumer_supplies      = omap3stalker_vsim_supply,
 208 };
 209
 210 static struct omap2_hsmmc_info mmc[] = {
 211         {
 212          .mmc           = 1,
 213          .caps          = MMC_CAP_4_BIT_DATA,
 214          .gpio_cd       = -EINVAL,
 215          .gpio_wp       = 23,
 216          },
 217         {}                      /* Terminator */
 218 };
 219
 220 static struct gpio_keys_button gpio_buttons[] = {
 221         {
 222          .code          = BTN_EXTRA,
 223          .gpio          = 18,
 224          .desc          = "user",
 225          .wakeup        = 1,
 226          },
 227 };
 228
 229 static struct gpio_keys_platform_data gpio_key_info = {
 230         .buttons        = gpio_buttons,
 231         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 232 };
 233
 234 static struct platform_device keys_gpio = {
 235         .name           = "gpio-keys",
 236         .id             = -1,
 237         .dev            = {
 238                 .platform_data  = &gpio_key_info,
 239         },
 240 };
 241
 242 static struct gpio_led gpio_leds[] = {
 243         {
 244          .name                  = "stalker:D8:usr0",
 245          .default_trigger       = "default-on",
 246          .gpio                  = 126,
 247          },
 248         {
 249          .name                  = "stalker:D9:usr1",
 250          .default_trigger       = "default-on",
 251          .gpio                  = 127,
 252          },
 253         {
 254          .name                  = "stalker:D3:mmc0",
 255          .gpio                  = -EINVAL,      /* gets replaced */
 256          .active_low            = true,
 257          .default_trigger       = "mmc0",
 258          },
 259         {
 260          .name                  = "stalker:D4:heartbeat",
 261          .gpio                  = -EINVAL,      /* gets replaced */
 262          .active_low            = true,
 263          .default_trigger       = "heartbeat",
 264          },
 265 };
 266
 267 static struct gpio_led_platform_data gpio_led_info = {
 268         .leds           = gpio_leds,
 269         .num_leds       = ARRAY_SIZE(gpio_leds),
 270 };
 271
 272 static struct platform_device leds_gpio = {
 273         .name   = "leds-gpio",
 274         .id     = -1,
 275         .dev    = {
 276                 .platform_data  = &gpio_led_info,
 277         },
 278 };
 279
 280 static int
 281 omap3stalker_twl_gpio_setup(struct device *dev,
 282                             unsigned gpio, unsigned ngpio)
 283 {
 284         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 285         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 286         mmc[0].gpio_cd = gpio + 0;
 287         omap2_hsmmc_init(mmc);
 288
 289         /*
 290          * Most GPIOs are for USB OTG.  Some are mostly sent to
 291          * the P2 connector; notably LEDA for the LCD backlight.
 292          */
 293
 294         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 295         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 296                          "EN_LCD_BKL");
 297
 298         /* gpio + 7 == DVI Enable */
 299         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 300
 301         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 302         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 303         /* GPIO + 13 == ledsync (out, heartbeat) */
 304         gpio_leds[3].gpio = gpio + 13;
 305
 306         platform_device_register(&leds_gpio);
 307         return 0;
 308 }
 309
 310 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 311         .gpio_base      = OMAP_MAX_GPIO_LINES,
 312         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 313         .irq_end        = TWL4030_GPIO_IRQ_END,
 314         .use_leds       = true,
 315         .setup          = omap3stalker_twl_gpio_setup,
 316 };
 317
 318 static uint32_t board_keymap[] = {
 319         KEY(0, 0, KEY_LEFT),
 320         KEY(0, 1, KEY_DOWN),
 321         KEY(0, 2, KEY_ENTER),
 322         KEY(0, 3, KEY_M),
 323
 324         KEY(1, 0, KEY_RIGHT),
 325         KEY(1, 1, KEY_UP),
 326         KEY(1, 2, KEY_I),
 327         KEY(1, 3, KEY_N),
 328
 329         KEY(2, 0, KEY_A),
 330         KEY(2, 1, KEY_E),
 331         KEY(2, 2, KEY_J),
 332         KEY(2, 3, KEY_O),
 333
 334         KEY(3, 0, KEY_B),
 335         KEY(3, 1, KEY_F),
 336         KEY(3, 2, KEY_K),
 337         KEY(3, 3, KEY_P)
 338 };
 339
 340 static struct matrix_keymap_data board_map_data = {
 341         .keymap         = board_keymap,
 342         .keymap_size    = ARRAY_SIZE(board_keymap),
 343 };
 344
 345 static struct twl4030_keypad_data omap3stalker_kp_data = {
 346         .keymap_data    = &board_map_data,
 347         .rows           = 4,
 348         .cols           = 4,
 349         .rep            = 1,
 350 };
 351
 352 static struct twl4030_platform_data omap3stalker_twldata = {
 353         /* platform_data for children goes here */
 354         .keypad         = &omap3stalker_kp_data,
 355         .gpio           = &omap3stalker_gpio_data,
 356         .vmmc1          = &omap3stalker_vmmc1,
 357         .vsim           = &omap3stalker_vsim,
 358 };
 359
 360 static struct at24_platform_data fram_info = {
 361         .byte_len       = (64 * 1024) / 8,
 362         .page_size      = 8192,
 363         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 364 };
 365
 366 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 367         {
 368          I2C_BOARD_INFO("24c64", 0x50),
 369          .flags         = I2C_CLIENT_WAKE,
 370          .platform_data = &fram_info,
 371          },
 372 };
 373
 374 static int __init omap3_stalker_i2c_init(void)
 375 {
 376         omap3_pmic_get_config(&omap3stalker_twldata,
 377                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 378                         TWL_COMMON_PDATA_AUDIO,
 379                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 380
 381         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 382         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 383         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 384
 385         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 386         omap_register_i2c_bus(2, 400, NULL, 0);
 387         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 388                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 389         return 0;
 390 }
 391
 392 #define OMAP3_STALKER_TS_GPIO   175
 393
 394 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 395 };
 396
 397 static struct platform_device *omap3_stalker_devices[] __initdata = {
 398         &keys_gpio,
 399 };
 400
 401 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 402         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 403         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 404         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 405
 406         .phy_reset = true,
 407         .reset_gpio_port[0] = -EINVAL,
 408         .reset_gpio_port[1] = 21,
 409         .reset_gpio_port[2] = -EINVAL,
 410 };
 411
 412 #ifdef CONFIG_OMAP_MUX
 413 static struct omap_board_mux board_mux[] __initdata = {
 414         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 415                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 416         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 417                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 418         {.reg_offset = OMAP_MUX_TERMINATOR},
 419 };
 420 #endif
 421
 422 static void __init omap3_stalker_init(void)
 423 {
 424         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 425         omap_board_config = omap3_stalker_config;
 426         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 427
 428         omap3_stalker_i2c_init();
 429
 430         platform_add_devices(omap3_stalker_devices,
 431                              ARRAY_SIZE(omap3_stalker_devices));
 432
 433         omap_display_init(&omap3_stalker_dss_data);
 434
 435         omap_serial_init();
 436         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 437         usb_musb_init(NULL);
 438         usbhs_init(&usbhs_bdata);
 439         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 440
 441         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 442         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 443
 444         omap3stalker_init_eth();
 445         omap3_stalker_display_init();
 446 /* Ensure SDRC pins are mux'd for self-refresh */
 447         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 448         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 449 }
 450
 451 MACHINE_START(SBC3530, "OMAP3 STALKER")
 452         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 453         .atag_offset            = 0x100,
 454         .map_io                 = omap3_map_io,
 455         .init_early             = omap35xx_init_early,
 456         .init_irq               = omap3_init_irq,
 457         .init_machine           = omap3_stalker_init,
 458         .timer                  = &omap3_secure_timer,
 459 MACHINE_END