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 #include "common-board-devices.h"
  39
  40 #define IGEP3_GPIO_LED0_GREEN   54
  41 #define IGEP3_GPIO_LED0_RED     53
  42 #define IGEP3_GPIO_LED1_RED     16
  43
  44 #define IGEP3_GPIO_WIFI_NPD     138
  45 #define IGEP3_GPIO_WIFI_NRESET  139
  46 #define IGEP3_GPIO_BT_NRESET    137
  47
  48 #define IGEP3_GPIO_USBH_NRESET  183
  49
  50
  51 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  52         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  53
  54 #define ONENAND_MAP             0x20000000
  55
  56 /*
  57  * x2 Flash built-in COMBO POP MEMORY
  58  * Since the device is equipped with two DataRAMs, and two-plane NAND
  59  * Flash memory array, these two component enables simultaneous program
  60  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
  61  * while Plane2 has only odd blocks such as block1, block3, block5.
  62  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
  63  */
  64
  65 static struct mtd_partition igep3_onenand_partitions[] = {
  66         {
  67                 .name           = "X-Loader",
  68                 .offset         = 0,
  69                 .size           = 2 * (64*(2*2048))
  70         },
  71         {
  72                 .name           = "U-Boot",
  73                 .offset         = MTDPART_OFS_APPEND,
  74                 .size           = 6 * (64*(2*2048)),
  75         },
  76         {
  77                 .name           = "Environment",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = 2 * (64*(2*2048)),
  80         },
  81         {
  82                 .name           = "Kernel",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = 12 * (64*(2*2048)),
  85         },
  86         {
  87                 .name           = "File System",
  88                 .offset         = MTDPART_OFS_APPEND,
  89                 .size           = MTDPART_SIZ_FULL,
  90         },
  91 };
  92
  93 static struct omap_onenand_platform_data igep3_onenand_pdata = {
  94         .parts = igep3_onenand_partitions,
  95         .nr_parts = ARRAY_SIZE(igep3_onenand_partitions),
  96         .onenand_setup = NULL,
  97         .dma_channel    = -1,   /* disable DMA in OMAP OneNAND driver */
  98 };
  99
 100 static struct platform_device igep3_onenand_device = {
 101         .name           = "omap2-onenand",
 102         .id             = -1,
 103         .dev = {
 104                 .platform_data = &igep3_onenand_pdata,
 105         },
 106 };
 107
 108 static void __init igep3_flash_init(void)
 109 {
 110         u8 cs = 0;
 111         u8 onenandcs = GPMC_CS_NUM + 1;
 112
 113         for (cs = 0; cs < GPMC_CS_NUM; cs++) {
 114                 u32 ret;
 115                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 116
 117                 /* Check if NAND/oneNAND is configured */
 118                 if ((ret & 0xC00) == 0x800)
 119                         /* NAND found */
 120                         pr_err("IGEP3: Unsupported NAND found\n");
 121                 else {
 122                         ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
 123
 124                         if ((ret & 0x3F) == (ONENAND_MAP >> 24))
 125                                 /* OneNAND found */
 126                                 onenandcs = cs;
 127                 }
 128         }
 129
 130         if (onenandcs > GPMC_CS_NUM) {
 131                 pr_err("IGEP3: Unable to find configuration in GPMC\n");
 132                 return;
 133         }
 134
 135         igep3_onenand_pdata.cs = onenandcs;
 136
 137         if (platform_device_register(&igep3_onenand_device) < 0)
 138                 pr_err("IGEP3: Unable to register OneNAND device\n");
 139 }
 140
 141 #else
 142 static void __init igep3_flash_init(void) {}
 143 #endif
 144
 145 static struct regulator_consumer_supply igep3_vmmc1_supply =
 146         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0");
 147
 148 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 149 static struct regulator_init_data igep3_vmmc1 = {
 150         .constraints = {
 151                 .min_uV                 = 1850000,
 152                 .max_uV                 = 3150000,
 153                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 154                                         | REGULATOR_MODE_STANDBY,
 155                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 156                                         | REGULATOR_CHANGE_MODE
 157                                         | REGULATOR_CHANGE_STATUS,
 158         },
 159         .num_consumer_supplies  = 1,
 160         .consumer_supplies      = &igep3_vmmc1_supply,
 161 };
 162
 163 static struct regulator_consumer_supply igep3_vio_supply =
 164         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1");
 165
 166 static struct regulator_init_data igep3_vio = {
 167         .constraints = {
 168                 .min_uV                 = 1800000,
 169                 .max_uV                 = 1800000,
 170                 .apply_uV               = 1,
 171                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 172                                         | REGULATOR_MODE_STANDBY,
 173                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 174                                         | REGULATOR_CHANGE_MODE
 175                                         | REGULATOR_CHANGE_STATUS,
 176         },
 177         .num_consumer_supplies  = 1,
 178         .consumer_supplies      = &igep3_vio_supply,
 179 };
 180
 181 static struct regulator_consumer_supply igep3_vmmc2_supply =
 182         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
 183
 184 static struct regulator_init_data igep3_vmmc2 = {
 185         .constraints    = {
 186                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 187                 .always_on              = 1,
 188         },
 189         .num_consumer_supplies  = 1,
 190         .consumer_supplies      = &igep3_vmmc2_supply,
 191 };
 192
 193 static struct fixed_voltage_config igep3_vwlan = {
 194         .supply_name            = "vwlan",
 195         .microvolts             = 3300000,
 196         .gpio                   = -EINVAL,
 197         .enabled_at_boot        = 1,
 198         .init_data              = &igep3_vmmc2,
 199 };
 200
 201 static struct platform_device igep3_vwlan_device = {
 202         .name   = "reg-fixed-voltage",
 203         .id     = 0,
 204         .dev    = {
 205                 .platform_data = &igep3_vwlan,
 206         },
 207 };
 208
 209 static struct omap2_hsmmc_info mmc[] = {
 210         [0] = {
 211                 .mmc            = 1,
 212                 .caps           = MMC_CAP_4_BIT_DATA,
 213                 .gpio_cd        = -EINVAL,
 214                 .gpio_wp        = -EINVAL,
 215         },
 216 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 217         [1] = {
 218                 .mmc            = 2,
 219                 .caps           = MMC_CAP_4_BIT_DATA,
 220                 .gpio_cd        = -EINVAL,
 221                 .gpio_wp        = -EINVAL,
 222         },
 223 #endif
 224         {}      /* Terminator */
 225 };
 226
 227 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 228 #include <linux/leds.h>
 229
 230 static struct gpio_led igep3_gpio_leds[] = {
 231         [0] = {
 232                 .name                   = "gpio-led:red:d0",
 233                 .gpio                   = IGEP3_GPIO_LED0_RED,
 234                 .default_trigger        = "default-off"
 235         },
 236         [1] = {
 237                 .name                   = "gpio-led:green:d0",
 238                 .gpio                   = IGEP3_GPIO_LED0_GREEN,
 239                 .default_trigger        = "default-off",
 240         },
 241         [2] = {
 242                 .name                   = "gpio-led:red:d1",
 243                 .gpio                   = IGEP3_GPIO_LED1_RED,
 244                 .default_trigger        = "default-off",
 245         },
 246         [3] = {
 247                 .name                   = "gpio-led:green:d1",
 248                 .default_trigger        = "heartbeat",
 249                 .gpio                   = -EINVAL, /* gets replaced */
 250         },
 251 };
 252
 253 static struct gpio_led_platform_data igep3_led_pdata = {
 254         .leds           = igep3_gpio_leds,
 255         .num_leds       = ARRAY_SIZE(igep3_gpio_leds),
 256 };
 257
 258 static struct platform_device igep3_led_device = {
 259          .name   = "leds-gpio",
 260          .id     = -1,
 261          .dev    = {
 262                  .platform_data = &igep3_led_pdata,
 263         },
 264 };
 265
 266 static void __init igep3_leds_init(void)
 267 {
 268         platform_device_register(&igep3_led_device);
 269 }
 270
 271 #else
 272 static inline void igep3_leds_init(void)
 273 {
 274         if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
 275             (gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) {
 276                 gpio_export(IGEP3_GPIO_LED0_RED, 0);
 277                 gpio_set_value(IGEP3_GPIO_LED0_RED, 1);
 278         } else
 279                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n");
 280
 281         if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
 282             (gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) {
 283                 gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
 284                 gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1);
 285         } else
 286                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n");
 287
 288         if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
 289                 (gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) {
 290                 gpio_export(IGEP3_GPIO_LED1_RED, 0);
 291                 gpio_set_value(IGEP3_GPIO_LED1_RED, 1);
 292         } else
 293                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n");
 294 }
 295 #endif
 296
 297 static int igep3_twl4030_gpio_setup(struct device *dev,
 298                 unsigned gpio, unsigned ngpio)
 299 {
 300         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 301         mmc[0].gpio_cd = gpio + 0;
 302         omap2_hsmmc_init(mmc);
 303
 304         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 305 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 306         if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
 307             && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
 308                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 309                 gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
 310         } else
 311                 pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
 312 #else
 313         igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 314 #endif
 315
 316         return 0;
 317 };
 318
 319 static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = {
 320         .gpio_base      = OMAP_MAX_GPIO_LINES,
 321         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 322         .irq_end        = TWL4030_GPIO_IRQ_END,
 323         .use_leds       = true,
 324         .setup          = igep3_twl4030_gpio_setup,
 325 };
 326
 327 static struct twl4030_usb_data igep3_twl4030_usb_data = {
 328         .usb_mode       = T2_USB_MODE_ULPI,
 329 };
 330
 331 static struct platform_device *igep3_devices[] __initdata = {
 332         &igep3_vwlan_device,
 333 };
 334
 335 static void __init igep3_init_early(void)
 336 {
 337         omap2_init_common_infrastructure();
 338         omap2_init_common_devices(m65kxxxxam_sdrc_params,
 339                                   m65kxxxxam_sdrc_params);
 340 }
 341
 342 static struct twl4030_platform_data igep3_twl4030_pdata = {
 343         .irq_base       = TWL4030_IRQ_BASE,
 344         .irq_end        = TWL4030_IRQ_END,
 345
 346         /* platform_data for children goes here */
 347         .usb            = &igep3_twl4030_usb_data,
 348         .gpio           = &igep3_twl4030_gpio_pdata,
 349         .vmmc1          = &igep3_vmmc1,
 350         .vio            = &igep3_vio,
 351 };
 352
 353 static int __init igep3_i2c_init(void)
 354 {
 355         omap3_pmic_init("twl4030", &igep3_twl4030_pdata);
 356
 357         return 0;
 358 }
 359
 360 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 361
 362 static void __init igep3_wifi_bt_init(void)
 363 {
 364         /* Configure MUX values for W-LAN + Bluetooth GPIO's */
 365         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
 366         omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
 367         omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);
 368
 369         /* Set GPIO's for  W-LAN + Bluetooth combo module */
 370         if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
 371             (gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) {
 372                 gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
 373         } else
 374                 pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n");
 375
 376         if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
 377             (gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) {
 378                 gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
 379                 gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
 380                 udelay(10);
 381                 gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
 382         } else
 383                 pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n");
 384
 385         if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) &&
 386             (gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) {
 387                 gpio_export(IGEP3_GPIO_BT_NRESET, 0);
 388         } else
 389                 pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n");
 390 }
 391 #else
 392 void __init igep3_wifi_bt_init(void) {}
 393 #endif
 394
 395 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 396         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 397         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 398         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 399
 400         .phy_reset = true,
 401         .reset_gpio_port[0] = -EINVAL,
 402         .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
 403         .reset_gpio_port[2] = -EINVAL,
 404 };
 405
 406 #ifdef CONFIG_OMAP_MUX
 407 static struct omap_board_mux board_mux[] __initdata = {
 408         OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 409         { .reg_offset = OMAP_MUX_TERMINATOR },
 410 };
 411 #endif
 412
 413 static void __init igep3_init(void)
 414 {
 415         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 416
 417         /* Register I2C busses and drivers */
 418         igep3_i2c_init();
 419         platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices));
 420         omap_serial_init();
 421         usb_musb_init(NULL);
 422         usbhs_init(&usbhs_bdata);
 423
 424         igep3_flash_init();
 425         igep3_leds_init();
 426
 427         /*
 428          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 429          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 430          */
 431         igep3_wifi_bt_init();
 432
 433 }
 434
 435 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 436         .boot_params    = 0x80000100,
 437         .reserve        = omap_reserve,
 438         .map_io         = omap3_map_io,
 439         .init_early     = igep3_init_early,
 440         .init_irq       = omap_init_irq,
 441         .init_machine   = igep3_init,
 442         .timer          = &omap_timer,
 443 MACHINE_END