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 "gpmc.h"
  44 #include <linux/platform_data/mtd-nand-omap2.h>
  45 #include <video/omapdss.h>
  46 #include <video/omap-panel-generic-dpi.h>
  47 #include <video/omap-panel-tfp410.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 int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
  98 {
  99         return 0;
 100 }
 101
 102 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 103 {
 104 }
 105
 106 static struct omap_dss_device omap3_stalker_tv_device = {
 107         .name                   = "tv",
 108         .driver_name            = "venc",
 109         .type                   = OMAP_DISPLAY_TYPE_VENC,
 110 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 111         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 112 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 113         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 114 #endif
 115         .platform_enable        = omap3_stalker_enable_tv,
 116         .platform_disable       = omap3_stalker_disable_tv,
 117 };
 118
 119 static struct tfp410_platform_data dvi_panel = {
 120         .power_down_gpio        = DSS_ENABLE_GPIO,
 121         .i2c_bus_num            = -1,
 122 };
 123
 124 static struct omap_dss_device omap3_stalker_dvi_device = {
 125         .name                   = "dvi",
 126         .type                   = OMAP_DISPLAY_TYPE_DPI,
 127         .driver_name            = "tfp410",
 128         .data                   = &dvi_panel,
 129         .phy.dpi.data_lines     = 24,
 130 };
 131
 132 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 133         &omap3_stalker_tv_device,
 134         &omap3_stalker_dvi_device,
 135 };
 136
 137 static struct omap_dss_board_info omap3_stalker_dss_data = {
 138         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 139         .devices        = omap3_stalker_dss_devices,
 140         .default_device = &omap3_stalker_dvi_device,
 141 };
 142
 143 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 144         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 145 };
 146
 147 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 148         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 149 };
 150
 151 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 152 static struct regulator_init_data omap3stalker_vmmc1 = {
 153         .constraints            = {
 154                 .min_uV                 = 1850000,
 155                 .max_uV                 = 3150000,
 156                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 157                 | REGULATOR_MODE_STANDBY,
 158                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 159                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 160         },
 161         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 162         .consumer_supplies      = omap3stalker_vmmc1_supply,
 163 };
 164
 165 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 166 static struct regulator_init_data omap3stalker_vsim = {
 167         .constraints            = {
 168                 .min_uV                 = 1800000,
 169                 .max_uV                 = 3000000,
 170                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 171                 | REGULATOR_MODE_STANDBY,
 172                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 173                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 174         },
 175         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 176         .consumer_supplies      = omap3stalker_vsim_supply,
 177 };
 178
 179 static struct omap2_hsmmc_info mmc[] = {
 180         {
 181                 .mmc            = 1,
 182                 .caps           = MMC_CAP_4_BIT_DATA,
 183                 .gpio_cd        = -EINVAL,
 184                 .gpio_wp        = 23,
 185                 .deferred       = true,
 186          },
 187         {}                      /* Terminator */
 188 };
 189
 190 static struct gpio_keys_button gpio_buttons[] = {
 191         {
 192          .code          = BTN_EXTRA,
 193          .gpio          = 18,
 194          .desc          = "user",
 195          .wakeup        = 1,
 196          },
 197 };
 198
 199 static struct gpio_keys_platform_data gpio_key_info = {
 200         .buttons        = gpio_buttons,
 201         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 202 };
 203
 204 static struct platform_device keys_gpio = {
 205         .name           = "gpio-keys",
 206         .id             = -1,
 207         .dev            = {
 208                 .platform_data  = &gpio_key_info,
 209         },
 210 };
 211
 212 static struct gpio_led gpio_leds[] = {
 213         {
 214          .name                  = "stalker:D8:usr0",
 215          .default_trigger       = "default-on",
 216          .gpio                  = 126,
 217          },
 218         {
 219          .name                  = "stalker:D9:usr1",
 220          .default_trigger       = "default-on",
 221          .gpio                  = 127,
 222          },
 223         {
 224          .name                  = "stalker:D3:mmc0",
 225          .gpio                  = -EINVAL,      /* gets replaced */
 226          .active_low            = true,
 227          .default_trigger       = "mmc0",
 228          },
 229         {
 230          .name                  = "stalker:D4:heartbeat",
 231          .gpio                  = -EINVAL,      /* gets replaced */
 232          .active_low            = true,
 233          .default_trigger       = "heartbeat",
 234          },
 235 };
 236
 237 static struct gpio_led_platform_data gpio_led_info = {
 238         .leds           = gpio_leds,
 239         .num_leds       = ARRAY_SIZE(gpio_leds),
 240 };
 241
 242 static struct platform_device leds_gpio = {
 243         .name   = "leds-gpio",
 244         .id     = -1,
 245         .dev    = {
 246                 .platform_data  = &gpio_led_info,
 247         },
 248 };
 249
 250 static int
 251 omap3stalker_twl_gpio_setup(struct device *dev,
 252                             unsigned gpio, unsigned ngpio)
 253 {
 254         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 255         mmc[0].gpio_cd = gpio + 0;
 256         omap_hsmmc_late_init(mmc);
 257
 258         /*
 259          * Most GPIOs are for USB OTG.  Some are mostly sent to
 260          * the P2 connector; notably LEDA for the LCD backlight.
 261          */
 262
 263         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 264         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 265                          "EN_LCD_BKL");
 266
 267         /* gpio + 7 == DVI Enable */
 268         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 269
 270         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 271         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 272         /* GPIO + 13 == ledsync (out, heartbeat) */
 273         gpio_leds[3].gpio = gpio + 13;
 274
 275         platform_device_register(&leds_gpio);
 276         return 0;
 277 }
 278
 279 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 280         .use_leds       = true,
 281         .setup          = omap3stalker_twl_gpio_setup,
 282 };
 283
 284 static uint32_t board_keymap[] = {
 285         KEY(0, 0, KEY_LEFT),
 286         KEY(0, 1, KEY_DOWN),
 287         KEY(0, 2, KEY_ENTER),
 288         KEY(0, 3, KEY_M),
 289
 290         KEY(1, 0, KEY_RIGHT),
 291         KEY(1, 1, KEY_UP),
 292         KEY(1, 2, KEY_I),
 293         KEY(1, 3, KEY_N),
 294
 295         KEY(2, 0, KEY_A),
 296         KEY(2, 1, KEY_E),
 297         KEY(2, 2, KEY_J),
 298         KEY(2, 3, KEY_O),
 299
 300         KEY(3, 0, KEY_B),
 301         KEY(3, 1, KEY_F),
 302         KEY(3, 2, KEY_K),
 303         KEY(3, 3, KEY_P)
 304 };
 305
 306 static struct matrix_keymap_data board_map_data = {
 307         .keymap         = board_keymap,
 308         .keymap_size    = ARRAY_SIZE(board_keymap),
 309 };
 310
 311 static struct twl4030_keypad_data omap3stalker_kp_data = {
 312         .keymap_data    = &board_map_data,
 313         .rows           = 4,
 314         .cols           = 4,
 315         .rep            = 1,
 316 };
 317
 318 static struct twl4030_platform_data omap3stalker_twldata = {
 319         /* platform_data for children goes here */
 320         .keypad         = &omap3stalker_kp_data,
 321         .gpio           = &omap3stalker_gpio_data,
 322         .vmmc1          = &omap3stalker_vmmc1,
 323         .vsim           = &omap3stalker_vsim,
 324 };
 325
 326 static struct at24_platform_data fram_info = {
 327         .byte_len       = (64 * 1024) / 8,
 328         .page_size      = 8192,
 329         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 330 };
 331
 332 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 333         {
 334          I2C_BOARD_INFO("24c64", 0x50),
 335          .flags         = I2C_CLIENT_WAKE,
 336          .platform_data = &fram_info,
 337          },
 338 };
 339
 340 static int __init omap3_stalker_i2c_init(void)
 341 {
 342         omap3_pmic_get_config(&omap3stalker_twldata,
 343                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 344                         TWL_COMMON_PDATA_AUDIO,
 345                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 346
 347         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 348         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 349         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 350
 351         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 352         omap_register_i2c_bus(2, 400, NULL, 0);
 353         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 354                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 355         return 0;
 356 }
 357
 358 #define OMAP3_STALKER_TS_GPIO   175
 359
 360 static struct platform_device *omap3_stalker_devices[] __initdata = {
 361         &keys_gpio,
 362 };
 363
 364 static struct usbhs_omap_board_data usbhs_bdata __initconst = {
 365         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 366         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 367         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 368
 369         .phy_reset = true,
 370         .reset_gpio_port[0] = -EINVAL,
 371         .reset_gpio_port[1] = 21,
 372         .reset_gpio_port[2] = -EINVAL,
 373 };
 374
 375 #ifdef CONFIG_OMAP_MUX
 376 static struct omap_board_mux board_mux[] __initdata = {
 377         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 378                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 379         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 380                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 381         {.reg_offset = OMAP_MUX_TERMINATOR},
 382 };
 383 #endif
 384
 385 static struct regulator_consumer_supply dummy_supplies[] = {
 386         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 387         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 388 };
 389
 390 static void __init omap3_stalker_init(void)
 391 {
 392         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 393         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 394
 395         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 396         omap_hsmmc_init(mmc);
 397
 398         omap3_stalker_i2c_init();
 399
 400         platform_add_devices(omap3_stalker_devices,
 401                              ARRAY_SIZE(omap3_stalker_devices));
 402
 403         omap_display_init(&omap3_stalker_dss_data);
 404
 405         omap_serial_init();
 406         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 407         usb_musb_init(NULL);
 408         usbhs_init(&usbhs_bdata);
 409         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 410
 411         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 412         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 413
 414         omap3stalker_init_eth();
 415         omap3_stalker_display_init();
 416 /* Ensure SDRC pins are mux'd for self-refresh */
 417         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 418         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 419 }
 420
 421 MACHINE_START(SBC3530, "OMAP3 STALKER")
 422         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 423         .atag_offset            = 0x100,
 424         .map_io                 = omap3_map_io,
 425         .init_early             = omap35xx_init_early,
 426         .init_irq               = omap3_init_irq,
 427         .handle_irq             = omap3_intc_handle_irq,
 428         .init_machine           = omap3_stalker_init,
 429         .init_late              = omap35xx_init_late,
 430         .timer                  = &omap3_secure_timer,
 431         .restart                = omap3xxx_restart,
 432 MACHINE_END