arch/arm/mach-omap2/board-igep0030.c

   1 /*
   2  * Copyright (C) 2010 - ISEE 2007 SL
   3  *
   4  * Modified from mach-omap2/board-generic.c
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/err.h>
  16 #include <linux/clk.h>
  17 #include <linux/io.h>
  18 #include <linux/gpio.h>
  19 #include <linux/interrupt.h>
  20
  21 #include <linux/regulator/machine.h>
  22 #include <linux/regulator/fixed.h>
  23 #include <linux/i2c/twl.h>
  24 #include <linux/mmc/host.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28
  29 #include <plat/board.h>
  30 #include <plat/common.h>
  31 #include <plat/gpmc.h>
  32 #include <plat/usb.h>
  33 #include <plat/onenand.h>
  34
  35 #include "mux.h"
  36 #include "hsmmc.h"
  37 #include "sdram-numonyx-m65kxxxxam.h"
  38
  39 #define IGEP3_GPIO_LED0_GREEN   54
  40 #define IGEP3_GPIO_LED0_RED     53
  41 #define IGEP3_GPIO_LED1_RED     16
  42
  43 #define IGEP3_GPIO_WIFI_NPD     138
  44 #define IGEP3_GPIO_WIFI_NRESET  139
  45 #define IGEP3_GPIO_BT_NRESET    137
  46
  47 #define IGEP3_GPIO_USBH_NRESET  183
  48
  49
  50 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  51         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  52
  53 #define ONENAND_MAP             0x20000000
  54
  55 /*
  56  * x2 Flash built-in COMBO POP MEMORY
  57  * Since the device is equipped with two DataRAMs, and two-plane NAND
  58  * Flash memory array, these two component enables simultaneous program
  59  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
  60  * while Plane2 has only odd blocks such as block1, block3, block5.
  61  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
  62  */
  63
  64 static struct mtd_partition igep3_onenand_partitions[] = {
  65         {
  66                 .name           = "X-Loader",
  67                 .offset         = 0,
  68                 .size           = 2 * (64*(2*2048))
  69         },
  70         {
  71                 .name           = "U-Boot",
  72                 .offset         = MTDPART_OFS_APPEND,
  73                 .size           = 6 * (64*(2*2048)),
  74         },
  75         {
  76                 .name           = "Environment",
  77                 .offset         = MTDPART_OFS_APPEND,
  78                 .size           = 2 * (64*(2*2048)),
  79         },
  80         {
  81                 .name           = "Kernel",
  82                 .offset         = MTDPART_OFS_APPEND,
  83                 .size           = 12 * (64*(2*2048)),
  84         },
  85         {
  86                 .name           = "File System",
  87                 .offset         = MTDPART_OFS_APPEND,
  88                 .size           = MTDPART_SIZ_FULL,
  89         },
  90 };
  91
  92 static struct omap_onenand_platform_data igep3_onenand_pdata = {
  93         .parts = igep3_onenand_partitions,
  94         .nr_parts = ARRAY_SIZE(igep3_onenand_partitions),
  95         .onenand_setup = NULL,
  96         .dma_channel    = -1,   /* disable DMA in OMAP OneNAND driver */
  97 };
  98
  99 static struct platform_device igep3_onenand_device = {
 100         .name           = "omap2-onenand",
 101         .id             = -1,
 102         .dev = {
 103                 .platform_data = &igep3_onenand_pdata,
 104         },
 105 };
 106
 107 static void __init igep3_flash_init(void)
 108 {
 109         u8 cs = 0;
 110         u8 onenandcs = GPMC_CS_NUM + 1;
 111
 112         for (cs = 0; cs < GPMC_CS_NUM; cs++) {
 113                 u32 ret;
 114                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 115
 116                 /* Check if NAND/oneNAND is configured */
 117                 if ((ret & 0xC00) == 0x800)
 118                         /* NAND found */
 119                         pr_err("IGEP3: Unsupported NAND found\n");
 120                 else {
 121                         ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
 122
 123                         if ((ret & 0x3F) == (ONENAND_MAP >> 24))
 124                                 /* OneNAND found */
 125                                 onenandcs = cs;
 126                 }
 127         }
 128
 129         if (onenandcs > GPMC_CS_NUM) {
 130                 pr_err("IGEP3: Unable to find configuration in GPMC\n");
 131                 return;
 132         }
 133
 134         igep3_onenand_pdata.cs = onenandcs;
 135
 136         if (platform_device_register(&igep3_onenand_device) < 0)
 137                 pr_err("IGEP3: Unable to register OneNAND device\n");
 138 }
 139
 140 #else
 141 static void __init igep3_flash_init(void) {}
 142 #endif
 143
 144 static struct regulator_consumer_supply igep3_vmmc1_supply =
 145         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0");
 146
 147 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 148 static struct regulator_init_data igep3_vmmc1 = {
 149         .constraints = {
 150                 .min_uV                 = 1850000,
 151                 .max_uV                 = 3150000,
 152                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 153                                         | REGULATOR_MODE_STANDBY,
 154                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 155                                         | REGULATOR_CHANGE_MODE
 156                                         | REGULATOR_CHANGE_STATUS,
 157         },
 158         .num_consumer_supplies  = 1,
 159         .consumer_supplies      = &igep3_vmmc1_supply,
 160 };
 161
 162 static struct regulator_consumer_supply igep3_vio_supply =
 163         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1");
 164
 165 static struct regulator_init_data igep3_vio = {
 166         .constraints = {
 167                 .min_uV                 = 1800000,
 168                 .max_uV                 = 1800000,
 169                 .apply_uV               = 1,
 170                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 171                                         | REGULATOR_MODE_STANDBY,
 172                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 173                                         | REGULATOR_CHANGE_MODE
 174                                         | REGULATOR_CHANGE_STATUS,
 175         },
 176         .num_consumer_supplies  = 1,
 177         .consumer_supplies      = &igep3_vio_supply,
 178 };
 179
 180 static struct regulator_consumer_supply igep3_vmmc2_supply =
 181         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
 182
 183 static struct regulator_init_data igep3_vmmc2 = {
 184         .constraints    = {
 185                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 186                 .always_on              = 1,
 187         },
 188         .num_consumer_supplies  = 1,
 189         .consumer_supplies      = &igep3_vmmc2_supply,
 190 };
 191
 192 static struct fixed_voltage_config igep3_vwlan = {
 193         .supply_name            = "vwlan",
 194         .microvolts             = 3300000,
 195         .gpio                   = -EINVAL,
 196         .enabled_at_boot        = 1,
 197         .init_data              = &igep3_vmmc2,
 198 };
 199
 200 static struct platform_device igep3_vwlan_device = {
 201         .name   = "reg-fixed-voltage",
 202         .id     = 0,
 203         .dev    = {
 204                 .platform_data = &igep3_vwlan,
 205         },
 206 };
 207
 208 static struct omap2_hsmmc_info mmc[] = {
 209         [0] = {
 210                 .mmc            = 1,
 211                 .caps           = MMC_CAP_4_BIT_DATA,
 212                 .gpio_cd        = -EINVAL,
 213                 .gpio_wp        = -EINVAL,
 214         },
 215 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 216         [1] = {
 217                 .mmc            = 2,
 218                 .caps           = MMC_CAP_4_BIT_DATA,
 219                 .gpio_cd        = -EINVAL,
 220                 .gpio_wp        = -EINVAL,
 221         },
 222 #endif
 223         {}      /* Terminator */
 224 };
 225
 226 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 227 #include <linux/leds.h>
 228
 229 static struct gpio_led igep3_gpio_leds[] = {
 230         [0] = {
 231                 .name                   = "gpio-led:red:d0",
 232                 .gpio                   = IGEP3_GPIO_LED0_RED,
 233                 .default_trigger        = "default-off"
 234         },
 235         [1] = {
 236                 .name                   = "gpio-led:green:d0",
 237                 .gpio                   = IGEP3_GPIO_LED0_GREEN,
 238                 .default_trigger        = "default-off",
 239         },
 240         [2] = {
 241                 .name                   = "gpio-led:red:d1",
 242                 .gpio                   = IGEP3_GPIO_LED1_RED,
 243                 .default_trigger        = "default-off",
 244         },
 245         [3] = {
 246                 .name                   = "gpio-led:green:d1",
 247                 .default_trigger        = "heartbeat",
 248                 .gpio                   = -EINVAL, /* gets replaced */
 249         },
 250 };
 251
 252 static struct gpio_led_platform_data igep3_led_pdata = {
 253         .leds           = igep3_gpio_leds,
 254         .num_leds       = ARRAY_SIZE(igep3_gpio_leds),
 255 };
 256
 257 static struct platform_device igep3_led_device = {
 258          .name   = "leds-gpio",
 259          .id     = -1,
 260          .dev    = {
 261                  .platform_data = &igep3_led_pdata,
 262         },
 263 };
 264
 265 static void __init igep3_leds_init(void)
 266 {
 267         platform_device_register(&igep3_led_device);
 268 }
 269
 270 #else
 271 static inline void igep3_leds_init(void)
 272 {
 273         if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
 274             (gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) {
 275                 gpio_export(IGEP3_GPIO_LED0_RED, 0);
 276                 gpio_set_value(IGEP3_GPIO_LED0_RED, 1);
 277         } else
 278                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n");
 279
 280         if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
 281             (gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) {
 282                 gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
 283                 gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1);
 284         } else
 285                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n");
 286
 287         if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
 288                 (gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) {
 289                 gpio_export(IGEP3_GPIO_LED1_RED, 0);
 290                 gpio_set_value(IGEP3_GPIO_LED1_RED, 1);
 291         } else
 292                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n");
 293 }
 294 #endif
 295
 296 static int igep3_twl4030_gpio_setup(struct device *dev,
 297                 unsigned gpio, unsigned ngpio)
 298 {
 299         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 300         mmc[0].gpio_cd = gpio + 0;
 301         omap2_hsmmc_init(mmc);
 302
 303         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 304 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 305         if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
 306             && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
 307                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 308                 gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
 309         } else
 310                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
 311 #else
 312         igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 313 #endif
 314
 315         return 0;
 316 };
 317
 318 static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = {
 319         .gpio_base      = OMAP_MAX_GPIO_LINES,
 320         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 321         .irq_end        = TWL4030_GPIO_IRQ_END,
 322         .use_leds       = true,
 323         .setup          = igep3_twl4030_gpio_setup,
 324 };
 325
 326 static struct twl4030_usb_data igep3_twl4030_usb_data = {
 327         .usb_mode       = T2_USB_MODE_ULPI,
 328 };
 329
 330 static struct platform_device *igep3_devices[] __initdata = {
 331         &igep3_vwlan_device,
 332 };
 333
 334 static void __init igep3_init_early(void)
 335 {
 336         omap2_init_common_infrastructure();
 337         omap2_init_common_devices(m65kxxxxam_sdrc_params,
 338                                   m65kxxxxam_sdrc_params);
 339 }
 340
 341 static struct twl4030_platform_data igep3_twl4030_pdata = {
 342         .irq_base       = TWL4030_IRQ_BASE,
 343         .irq_end        = TWL4030_IRQ_END,
 344
 345         /* platform_data for children goes here */
 346         .usb            = &igep3_twl4030_usb_data,
 347         .gpio           = &igep3_twl4030_gpio_pdata,
 348         .vmmc1          = &igep3_vmmc1,
 349         .vio            = &igep3_vio,
 350 };
 351
 352 static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = {
 353         {
 354                 I2C_BOARD_INFO("twl4030", 0x48),
 355                 .flags          = I2C_CLIENT_WAKE,
 356                 .irq            = INT_34XX_SYS_NIRQ,
 357                 .platform_data  = &igep3_twl4030_pdata,
 358         },
 359 };
 360
 361 static int __init igep3_i2c_init(void)
 362 {
 363         omap_register_i2c_bus(1, 2600, igep3_i2c_boardinfo,
 364                         ARRAY_SIZE(igep3_i2c_boardinfo));
 365
 366         return 0;
 367 }
 368
 369 static struct omap_musb_board_data musb_board_data = {
 370         .interface_type = MUSB_INTERFACE_ULPI,
 371         .mode           = MUSB_OTG,
 372         .power          = 100,
 373 };
 374
 375 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 376
 377 static void __init igep3_wifi_bt_init(void)
 378 {
 379         /* Configure MUX values for W-LAN + Bluetooth GPIO's */
 380         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
 381         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
 382         omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);
 383
 384         /* Set GPIO's for  W-LAN + Bluetooth combo module */
 385         if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
 386             (gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) {
 387                 gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
 388         } else
 389                 pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n");
 390
 391         if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
 392             (gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) {
 393                 gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
 394                 gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
 395                 udelay(10);
 396                 gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
 397         } else
 398                 pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n");
 399
 400         if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) &&
 401             (gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) {
 402                 gpio_export(IGEP3_GPIO_BT_NRESET, 0);
 403         } else
 404                 pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n");
 405 }
 406 #else
 407 void __init igep3_wifi_bt_init(void) {}
 408 #endif
 409
 410 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 411         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 412         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 413         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 414
 415         .phy_reset = true,
 416         .reset_gpio_port[0] = -EINVAL,
 417         .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
 418         .reset_gpio_port[2] = -EINVAL,
 419 };
 420
 421 #ifdef CONFIG_OMAP_MUX
 422 static struct omap_board_mux board_mux[] __initdata = {
 423         OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 424         { .reg_offset = OMAP_MUX_TERMINATOR },
 425 };
 426 #endif
 427
 428 static void __init igep3_init(void)
 429 {
 430         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 431
 432         /* Register I2C busses and drivers */
 433         igep3_i2c_init();
 434         platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices));
 435         omap_serial_init();
 436         usb_musb_init(&musb_board_data);
 437         usbhs_init(&usbhs_bdata);
 438
 439         igep3_flash_init();
 440         igep3_leds_init();
 441
 442         /*
 443          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 444          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 445          */
 446         igep3_wifi_bt_init();
 447
 448 }
 449
 450 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 451         .boot_params    = 0x80000100,
 452         .reserve        = omap_reserve,
 453         .map_io         = omap3_map_io,
 454         .init_early     = igep3_init_early,
 455         .init_irq       = omap_init_irq,
 456         .init_machine   = igep3_init,
 457         .timer          = &omap_timer,
 458 MACHINE_END