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-generic-dpi.h>
  48 #include <video/omap-panel-tfp410.h>
  49
  50 #include <linux/platform_data/spi-omap2-mcspi.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 "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         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
  75         gpmc_smsc911x_init(&smsc911x_cfg);
  76 }
  77
  78 #else
  79 static inline void __init omap3stalker_init_eth(void)
  80 {
  81         return;
  82 }
  83 #endif
  84
  85 /*
  86  * OMAP3 DSS control signals
  87  */
  88
  89 #define DSS_ENABLE_GPIO 199
  90 #define LCD_PANEL_BKLIGHT_GPIO  210
  91 #define ENABLE_VPLL2_DEV_GRP    0xE0
  92
  93 static void __init omap3_stalker_display_init(void)
  94 {
  95         return;
  96 }
  97
  98 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
  99 {
 100         return 0;
 101 }
 102
 103 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 104 {
 105 }
 106
 107 static struct omap_dss_device omap3_stalker_tv_device = {
 108         .name                   = "tv",
 109         .driver_name            = "venc",
 110         .type                   = OMAP_DISPLAY_TYPE_VENC,
 111 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 112         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 113 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 114         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 115 #endif
 116         .platform_enable        = omap3_stalker_enable_tv,
 117         .platform_disable       = omap3_stalker_disable_tv,
 118 };
 119
 120 static struct tfp410_platform_data dvi_panel = {
 121         .power_down_gpio        = DSS_ENABLE_GPIO,
 122         .i2c_bus_num            = -1,
 123 };
 124
 125 static struct omap_dss_device omap3_stalker_dvi_device = {
 126         .name                   = "dvi",
 127         .type                   = OMAP_DISPLAY_TYPE_DPI,
 128         .driver_name            = "tfp410",
 129         .data                   = &dvi_panel,
 130         .phy.dpi.data_lines     = 24,
 131 };
 132
 133 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 134         &omap3_stalker_tv_device,
 135         &omap3_stalker_dvi_device,
 136 };
 137
 138 static struct omap_dss_board_info omap3_stalker_dss_data = {
 139         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 140         .devices        = omap3_stalker_dss_devices,
 141         .default_device = &omap3_stalker_dvi_device,
 142 };
 143
 144 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
 145         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 146 };
 147
 148 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
 149         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 150 };
 151
 152 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 153 static struct regulator_init_data omap3stalker_vmmc1 = {
 154         .constraints            = {
 155                 .min_uV                 = 1850000,
 156                 .max_uV                 = 3150000,
 157                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 158                 | REGULATOR_MODE_STANDBY,
 159                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 160                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 161         },
 162         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vmmc1_supply),
 163         .consumer_supplies      = omap3stalker_vmmc1_supply,
 164 };
 165
 166 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 167 static struct regulator_init_data omap3stalker_vsim = {
 168         .constraints            = {
 169                 .min_uV                 = 1800000,
 170                 .max_uV                 = 3000000,
 171                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 172                 | REGULATOR_MODE_STANDBY,
 173                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 174                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 175         },
 176         .num_consumer_supplies  = ARRAY_SIZE(omap3stalker_vsim_supply),
 177         .consumer_supplies      = omap3stalker_vsim_supply,
 178 };
 179
 180 static struct omap2_hsmmc_info mmc[] = {
 181         {
 182                 .mmc            = 1,
 183                 .caps           = MMC_CAP_4_BIT_DATA,
 184                 .gpio_cd        = -EINVAL,
 185                 .gpio_wp        = 23,
 186                 .deferred       = true,
 187          },
 188         {}                      /* Terminator */
 189 };
 190
 191 static struct gpio_keys_button gpio_buttons[] = {
 192         {
 193          .code          = BTN_EXTRA,
 194          .gpio          = 18,
 195          .desc          = "user",
 196          .wakeup        = 1,
 197          },
 198 };
 199
 200 static struct gpio_keys_platform_data gpio_key_info = {
 201         .buttons        = gpio_buttons,
 202         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 203 };
 204
 205 static struct platform_device keys_gpio = {
 206         .name           = "gpio-keys",
 207         .id             = -1,
 208         .dev            = {
 209                 .platform_data  = &gpio_key_info,
 210         },
 211 };
 212
 213 static struct gpio_led gpio_leds[] = {
 214         {
 215          .name                  = "stalker:D8:usr0",
 216          .default_trigger       = "default-on",
 217          .gpio                  = 126,
 218          },
 219         {
 220          .name                  = "stalker:D9:usr1",
 221          .default_trigger       = "default-on",
 222          .gpio                  = 127,
 223          },
 224         {
 225          .name                  = "stalker:D3:mmc0",
 226          .gpio                  = -EINVAL,      /* gets replaced */
 227          .active_low            = true,
 228          .default_trigger       = "mmc0",
 229          },
 230         {
 231          .name                  = "stalker:D4:heartbeat",
 232          .gpio                  = -EINVAL,      /* gets replaced */
 233          .active_low            = true,
 234          .default_trigger       = "heartbeat",
 235          },
 236 };
 237
 238 static struct gpio_led_platform_data gpio_led_info = {
 239         .leds           = gpio_leds,
 240         .num_leds       = ARRAY_SIZE(gpio_leds),
 241 };
 242
 243 static struct platform_device leds_gpio = {
 244         .name   = "leds-gpio",
 245         .id     = -1,
 246         .dev    = {
 247                 .platform_data  = &gpio_led_info,
 248         },
 249 };
 250
 251 static int
 252 omap3stalker_twl_gpio_setup(struct device *dev,
 253                             unsigned gpio, unsigned ngpio)
 254 {
 255         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 256         mmc[0].gpio_cd = gpio + 0;
 257         omap_hsmmc_late_init(mmc);
 258
 259         /*
 260          * Most GPIOs are for USB OTG.  Some are mostly sent to
 261          * the P2 connector; notably LEDA for the LCD backlight.
 262          */
 263
 264         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 265         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
 266                          "EN_LCD_BKL");
 267
 268         /* gpio + 7 == DVI Enable */
 269         gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
 270
 271         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 272         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 273         /* GPIO + 13 == ledsync (out, heartbeat) */
 274         gpio_leds[3].gpio = gpio + 13;
 275
 276         platform_device_register(&leds_gpio);
 277         return 0;
 278 }
 279
 280 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 281         .use_leds       = true,
 282         .setup          = omap3stalker_twl_gpio_setup,
 283 };
 284
 285 static uint32_t board_keymap[] = {
 286         KEY(0, 0, KEY_LEFT),
 287         KEY(0, 1, KEY_DOWN),
 288         KEY(0, 2, KEY_ENTER),
 289         KEY(0, 3, KEY_M),
 290
 291         KEY(1, 0, KEY_RIGHT),
 292         KEY(1, 1, KEY_UP),
 293         KEY(1, 2, KEY_I),
 294         KEY(1, 3, KEY_N),
 295
 296         KEY(2, 0, KEY_A),
 297         KEY(2, 1, KEY_E),
 298         KEY(2, 2, KEY_J),
 299         KEY(2, 3, KEY_O),
 300
 301         KEY(3, 0, KEY_B),
 302         KEY(3, 1, KEY_F),
 303         KEY(3, 2, KEY_K),
 304         KEY(3, 3, KEY_P)
 305 };
 306
 307 static struct matrix_keymap_data board_map_data = {
 308         .keymap         = board_keymap,
 309         .keymap_size    = ARRAY_SIZE(board_keymap),
 310 };
 311
 312 static struct twl4030_keypad_data omap3stalker_kp_data = {
 313         .keymap_data    = &board_map_data,
 314         .rows           = 4,
 315         .cols           = 4,
 316         .rep            = 1,
 317 };
 318
 319 static struct twl4030_platform_data omap3stalker_twldata = {
 320         /* platform_data for children goes here */
 321         .keypad         = &omap3stalker_kp_data,
 322         .gpio           = &omap3stalker_gpio_data,
 323         .vmmc1          = &omap3stalker_vmmc1,
 324         .vsim           = &omap3stalker_vsim,
 325 };
 326
 327 static struct at24_platform_data fram_info = {
 328         .byte_len       = (64 * 1024) / 8,
 329         .page_size      = 8192,
 330         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 331 };
 332
 333 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 334         {
 335          I2C_BOARD_INFO("24c64", 0x50),
 336          .flags         = I2C_CLIENT_WAKE,
 337          .platform_data = &fram_info,
 338          },
 339 };
 340
 341 static int __init omap3_stalker_i2c_init(void)
 342 {
 343         omap3_pmic_get_config(&omap3stalker_twldata,
 344                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
 345                         TWL_COMMON_PDATA_AUDIO,
 346                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 347
 348         omap3stalker_twldata.vdac->constraints.apply_uV = true;
 349         omap3stalker_twldata.vpll2->constraints.apply_uV = true;
 350         omap3stalker_twldata.vpll2->constraints.name = "VDVI";
 351
 352         omap3_pmic_init("twl4030", &omap3stalker_twldata);
 353         omap_register_i2c_bus(2, 400, NULL, 0);
 354         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 355                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 356         return 0;
 357 }
 358
 359 #define OMAP3_STALKER_TS_GPIO   175
 360
 361 static struct platform_device *omap3_stalker_devices[] __initdata = {
 362         &keys_gpio,
 363 };
 364
 365 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
 366         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 367         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 368         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 369
 370         .phy_reset = true,
 371         .reset_gpio_port[0] = -EINVAL,
 372         .reset_gpio_port[1] = 21,
 373         .reset_gpio_port[2] = -EINVAL,
 374 };
 375
 376 #ifdef CONFIG_OMAP_MUX
 377 static struct omap_board_mux board_mux[] __initdata = {
 378         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 379                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 380         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 381                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 382         {.reg_offset = OMAP_MUX_TERMINATOR},
 383 };
 384 #endif
 385
 386 static struct regulator_consumer_supply dummy_supplies[] = {
 387         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 388         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 389 };
 390
 391 static void __init omap3_stalker_init(void)
 392 {
 393         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 394         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 395
 396         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 397         omap_hsmmc_init(mmc);
 398
 399         omap3_stalker_i2c_init();
 400
 401         platform_add_devices(omap3_stalker_devices,
 402                              ARRAY_SIZE(omap3_stalker_devices));
 403
 404         omap_display_init(&omap3_stalker_dss_data);
 405
 406         omap_serial_init();
 407         omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
 408         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 409         usb_musb_init(NULL);
 410         usbhs_init(&usbhs_bdata);
 411         omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
 412
 413         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 414         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 415
 416         omap3stalker_init_eth();
 417         omap3_stalker_display_init();
 418 /* Ensure SDRC pins are mux'd for self-refresh */
 419         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 420         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 421 }
 422
 423 MACHINE_START(SBC3530, "OMAP3 STALKER")
 424         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 425         .atag_offset            = 0x100,
 426         .map_io                 = omap3_map_io,
 427         .init_early             = omap35xx_init_early,
 428         .init_irq               = omap3_init_irq,
 429         .handle_irq             = omap3_intc_handle_irq,
 430         .init_machine           = omap3_stalker_init,
 431         .init_late              = omap35xx_init_late,
 432         .init_time              = omap3_secure_sync32k_timer_init,
 433         .restart                = omap3xxx_restart,
 434 MACHINE_END