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   1 /*
   2  * Author: MontaVista Software, Inc.
   3  *       <source@mvista.com>
   4  *
   5  * Based on the OMAP devices.c
   6  *
   7  * 2005 (c) MontaVista Software, Inc. This file is licensed under the
   8  * terms of the GNU General Public License version 2. This program is
   9  * licensed "as is" without any warranty of any kind, whether express
  10  * or implied.
  11  *
  12  * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
  13  * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  27  * MA 02110-1301, USA.
  28  */
  29 #include <linux/module.h>
  30 #include <linux/kernel.h>
  31 #include <linux/init.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/gpio.h>
  34
  35 #include <mach/irqs.h>
  36 #include <mach/hardware.h>
  37 #include <mach/common.h>
  38 #include <mach/mmc.h>
  39
  40 #include "devices.h"
  41
  42 /*
  43  * SPI master controller
  44  *
  45  * - i.MX1: 2 channel (slighly different register setting)
  46  * - i.MX21: 2 channel
  47  * - i.MX27: 3 channel
  48  */
  49 static struct resource mxc_spi_resources0[] = {
  50         {
  51                .start = CSPI1_BASE_ADDR,
  52                .end = CSPI1_BASE_ADDR + SZ_4K - 1,
  53                .flags = IORESOURCE_MEM,
  54         }, {
  55                .start = MXC_INT_CSPI1,
  56                .end = MXC_INT_CSPI1,
  57                .flags = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct resource mxc_spi_resources1[] = {
  62         {
  63                 .start = CSPI2_BASE_ADDR,
  64                 .end = CSPI2_BASE_ADDR + SZ_4K - 1,
  65                 .flags = IORESOURCE_MEM,
  66         }, {
  67                 .start = MXC_INT_CSPI2,
  68                 .end = MXC_INT_CSPI2,
  69                 .flags = IORESOURCE_IRQ,
  70         },
  71 };
  72
  73 #ifdef CONFIG_MACH_MX27
  74 static struct resource mxc_spi_resources2[] = {
  75         {
  76                 .start = CSPI3_BASE_ADDR,
  77                 .end = CSPI3_BASE_ADDR + SZ_4K - 1,
  78                 .flags = IORESOURCE_MEM,
  79         }, {
  80                 .start = MXC_INT_CSPI3,
  81                 .end = MXC_INT_CSPI3,
  82                 .flags = IORESOURCE_IRQ,
  83         },
  84 };
  85 #endif
  86
  87 struct platform_device mxc_spi_device0 = {
  88         .name = "spi_imx",
  89         .id = 0,
  90         .num_resources = ARRAY_SIZE(mxc_spi_resources0),
  91         .resource = mxc_spi_resources0,
  92 };
  93
  94 struct platform_device mxc_spi_device1 = {
  95         .name = "spi_imx",
  96         .id = 1,
  97         .num_resources = ARRAY_SIZE(mxc_spi_resources1),
  98         .resource = mxc_spi_resources1,
  99 };
 100
 101 #ifdef CONFIG_MACH_MX27
 102 struct platform_device mxc_spi_device2 = {
 103         .name = "spi_imx",
 104         .id = 2,
 105         .num_resources = ARRAY_SIZE(mxc_spi_resources2),
 106         .resource = mxc_spi_resources2,
 107 };
 108 #endif
 109
 110 /*
 111  * General Purpose Timer
 112  * - i.MX21: 3 timers
 113  * - i.MX27: 6 timers
 114  */
 115
 116 /* We use gpt0 as system timer, so do not add a device for this one */
 117
 118 static struct resource timer1_resources[] = {
 119         {
 120                 .start  = GPT2_BASE_ADDR,
 121                 .end    = GPT2_BASE_ADDR + 0x17,
 122                 .flags  = IORESOURCE_MEM,
 123         }, {
 124                 .start   = MXC_INT_GPT2,
 125                 .end     = MXC_INT_GPT2,
 126                 .flags   = IORESOURCE_IRQ,
 127         }
 128 };
 129
 130 struct platform_device mxc_gpt1 = {
 131         .name = "imx_gpt",
 132         .id = 1,
 133         .num_resources = ARRAY_SIZE(timer1_resources),
 134         .resource = timer1_resources,
 135 };
 136
 137 static struct resource timer2_resources[] = {
 138         {
 139                 .start  = GPT3_BASE_ADDR,
 140                 .end    = GPT3_BASE_ADDR + 0x17,
 141                 .flags  = IORESOURCE_MEM,
 142         }, {
 143                 .start   = MXC_INT_GPT3,
 144                 .end     = MXC_INT_GPT3,
 145                 .flags   = IORESOURCE_IRQ,
 146         }
 147 };
 148
 149 struct platform_device mxc_gpt2 = {
 150         .name = "imx_gpt",
 151         .id = 2,
 152         .num_resources = ARRAY_SIZE(timer2_resources),
 153         .resource = timer2_resources,
 154 };
 155
 156 #ifdef CONFIG_MACH_MX27
 157 static struct resource timer3_resources[] = {
 158         {
 159                 .start  = GPT4_BASE_ADDR,
 160                 .end    = GPT4_BASE_ADDR + 0x17,
 161                 .flags  = IORESOURCE_MEM,
 162         }, {
 163                 .start   = MXC_INT_GPT4,
 164                 .end     = MXC_INT_GPT4,
 165                 .flags   = IORESOURCE_IRQ,
 166         }
 167 };
 168
 169 struct platform_device mxc_gpt3 = {
 170         .name = "imx_gpt",
 171         .id = 3,
 172         .num_resources = ARRAY_SIZE(timer3_resources),
 173         .resource = timer3_resources,
 174 };
 175
 176 static struct resource timer4_resources[] = {
 177         {
 178                 .start  = GPT5_BASE_ADDR,
 179                 .end    = GPT5_BASE_ADDR + 0x17,
 180                 .flags  = IORESOURCE_MEM,
 181         }, {
 182                 .start   = MXC_INT_GPT5,
 183                 .end     = MXC_INT_GPT5,
 184                 .flags   = IORESOURCE_IRQ,
 185         }
 186 };
 187
 188 struct platform_device mxc_gpt4 = {
 189         .name = "imx_gpt",
 190         .id = 4,
 191         .num_resources = ARRAY_SIZE(timer4_resources),
 192         .resource = timer4_resources,
 193 };
 194
 195 static struct resource timer5_resources[] = {
 196         {
 197                 .start  = GPT6_BASE_ADDR,
 198                 .end    = GPT6_BASE_ADDR + 0x17,
 199                 .flags  = IORESOURCE_MEM,
 200         }, {
 201                 .start   = MXC_INT_GPT6,
 202                 .end     = MXC_INT_GPT6,
 203                 .flags   = IORESOURCE_IRQ,
 204         }
 205 };
 206
 207 struct platform_device mxc_gpt5 = {
 208         .name = "imx_gpt",
 209         .id = 5,
 210         .num_resources = ARRAY_SIZE(timer5_resources),
 211         .resource = timer5_resources,
 212 };
 213 #endif
 214
 215 /*
 216  * Watchdog:
 217  * - i.MX1
 218  * - i.MX21
 219  * - i.MX27
 220  */
 221 static struct resource mxc_wdt_resources[] = {
 222         {
 223                 .start  = WDOG_BASE_ADDR,
 224                 .end    = WDOG_BASE_ADDR + 0x30,
 225                 .flags  = IORESOURCE_MEM,
 226         },
 227 };
 228
 229 struct platform_device mxc_wdt = {
 230         .name = "mxc_wdt",
 231         .id = 0,
 232         .num_resources = ARRAY_SIZE(mxc_wdt_resources),
 233         .resource = mxc_wdt_resources,
 234 };
 235
 236 static struct resource mxc_w1_master_resources[] = {
 237         {
 238                 .start = OWIRE_BASE_ADDR,
 239                 .end   = OWIRE_BASE_ADDR + SZ_4K - 1,
 240                 .flags = IORESOURCE_MEM,
 241         },
 242 };
 243
 244 struct platform_device mxc_w1_master_device = {
 245         .name = "mxc_w1",
 246         .id = 0,
 247         .num_resources = ARRAY_SIZE(mxc_w1_master_resources),
 248         .resource = mxc_w1_master_resources,
 249 };
 250
 251 static struct resource mxc_nand_resources[] = {
 252         {
 253                 .start  = NFC_BASE_ADDR,
 254                 .end    = NFC_BASE_ADDR + 0xfff,
 255                 .flags  = IORESOURCE_MEM,
 256         }, {
 257                 .start  = MXC_INT_NANDFC,
 258                 .end    = MXC_INT_NANDFC,
 259                 .flags  = IORESOURCE_IRQ,
 260         },
 261 };
 262
 263 struct platform_device mxc_nand_device = {
 264         .name = "mxc_nand",
 265         .id = 0,
 266         .num_resources = ARRAY_SIZE(mxc_nand_resources),
 267         .resource = mxc_nand_resources,
 268 };
 269
 270 /*
 271  * lcdc:
 272  * - i.MX1: the basic controller
 273  * - i.MX21: to be checked
 274  * - i.MX27: like i.MX1, with slightly variations
 275  */
 276 static struct resource mxc_fb[] = {
 277         {
 278                 .start = LCDC_BASE_ADDR,
 279                 .end   = LCDC_BASE_ADDR + 0xFFF,
 280                 .flags = IORESOURCE_MEM,
 281         }, {
 282                 .start = MXC_INT_LCDC,
 283                 .end   = MXC_INT_LCDC,
 284                 .flags = IORESOURCE_IRQ,
 285         }
 286 };
 287
 288 /* mxc lcd driver */
 289 struct platform_device mxc_fb_device = {
 290         .name = "imx-fb",
 291         .id = 0,
 292         .num_resources = ARRAY_SIZE(mxc_fb),
 293         .resource = mxc_fb,
 294         .dev = {
 295                 .coherent_dma_mask = 0xFFFFFFFF,
 296         },
 297 };
 298
 299 #ifdef CONFIG_MACH_MX27
 300 static struct resource mxc_fec_resources[] = {
 301         {
 302                 .start  = FEC_BASE_ADDR,
 303                 .end    = FEC_BASE_ADDR + 0xfff,
 304                 .flags  = IORESOURCE_MEM,
 305         }, {
 306                 .start  = MXC_INT_FEC,
 307                 .end    = MXC_INT_FEC,
 308                 .flags  = IORESOURCE_IRQ,
 309         },
 310 };
 311
 312 struct platform_device mxc_fec_device = {
 313         .name = "fec",
 314         .id = 0,
 315         .num_resources = ARRAY_SIZE(mxc_fec_resources),
 316         .resource = mxc_fec_resources,
 317 };
 318 #endif
 319
 320 static struct resource mxc_i2c_1_resources[] = {
 321         {
 322                 .start  = I2C_BASE_ADDR,
 323                 .end    = I2C_BASE_ADDR + 0x0fff,
 324                 .flags  = IORESOURCE_MEM,
 325         }, {
 326                 .start  = MXC_INT_I2C,
 327                 .end    = MXC_INT_I2C,
 328                 .flags  = IORESOURCE_IRQ,
 329         }
 330 };
 331
 332 struct platform_device mxc_i2c_device0 = {
 333         .name = "imx-i2c",
 334         .id = 0,
 335         .num_resources = ARRAY_SIZE(mxc_i2c_1_resources),
 336         .resource = mxc_i2c_1_resources,
 337 };
 338
 339 #ifdef CONFIG_MACH_MX27
 340 static struct resource mxc_i2c_2_resources[] = {
 341         {
 342                 .start  = I2C2_BASE_ADDR,
 343                 .end    = I2C2_BASE_ADDR + 0x0fff,
 344                 .flags  = IORESOURCE_MEM,
 345         }, {
 346                 .start  = MXC_INT_I2C2,
 347                 .end    = MXC_INT_I2C2,
 348                 .flags  = IORESOURCE_IRQ,
 349         }
 350 };
 351
 352 struct platform_device mxc_i2c_device1 = {
 353         .name = "imx-i2c",
 354         .id = 1,
 355         .num_resources = ARRAY_SIZE(mxc_i2c_2_resources),
 356         .resource = mxc_i2c_2_resources,
 357 };
 358 #endif
 359
 360 static struct resource mxc_pwm_resources[] = {
 361         {
 362                 .start  = PWM_BASE_ADDR,
 363                 .end    = PWM_BASE_ADDR + 0x0fff,
 364                 .flags  = IORESOURCE_MEM,
 365         }, {
 366                 .start   = MXC_INT_PWM,
 367                 .end     = MXC_INT_PWM,
 368                 .flags   = IORESOURCE_IRQ,
 369         }
 370 };
 371
 372 struct platform_device mxc_pwm_device = {
 373         .name = "mxc_pwm",
 374         .id = 0,
 375         .num_resources = ARRAY_SIZE(mxc_pwm_resources),
 376         .resource = mxc_pwm_resources,
 377 };
 378
 379 /*
 380  * Resource definition for the MXC SDHC
 381  */
 382 static struct resource mxc_sdhc1_resources[] = {
 383         {
 384                 .start = SDHC1_BASE_ADDR,
 385                 .end   = SDHC1_BASE_ADDR + SZ_4K - 1,
 386                 .flags = IORESOURCE_MEM,
 387         }, {
 388                 .start = MXC_INT_SDHC1,
 389                 .end   = MXC_INT_SDHC1,
 390                 .flags = IORESOURCE_IRQ,
 391         }, {
 392                 .start  = DMA_REQ_SDHC1,
 393                 .end    = DMA_REQ_SDHC1,
 394                 .flags  = IORESOURCE_DMA,
 395         },
 396 };
 397
 398 static u64 mxc_sdhc1_dmamask = 0xffffffffUL;
 399
 400 struct platform_device mxc_sdhc_device0 = {
 401        .name           = "mxc-mmc",
 402        .id             = 0,
 403        .dev            = {
 404                .dma_mask = &mxc_sdhc1_dmamask,
 405                .coherent_dma_mask = 0xffffffff,
 406        },
 407        .num_resources  = ARRAY_SIZE(mxc_sdhc1_resources),
 408        .resource       = mxc_sdhc1_resources,
 409 };
 410
 411 static struct resource mxc_sdhc2_resources[] = {
 412         {
 413                 .start = SDHC2_BASE_ADDR,
 414                 .end   = SDHC2_BASE_ADDR + SZ_4K - 1,
 415                 .flags = IORESOURCE_MEM,
 416         }, {
 417                 .start = MXC_INT_SDHC2,
 418                 .end   = MXC_INT_SDHC2,
 419                 .flags = IORESOURCE_IRQ,
 420         }, {
 421                 .start  = DMA_REQ_SDHC2,
 422                 .end    = DMA_REQ_SDHC2,
 423                 .flags  = IORESOURCE_DMA,
 424         },
 425 };
 426
 427 static u64 mxc_sdhc2_dmamask = 0xffffffffUL;
 428
 429 struct platform_device mxc_sdhc_device1 = {
 430        .name           = "mxc-mmc",
 431        .id             = 1,
 432        .dev            = {
 433                .dma_mask = &mxc_sdhc2_dmamask,
 434                .coherent_dma_mask = 0xffffffff,
 435        },
 436        .num_resources  = ARRAY_SIZE(mxc_sdhc2_resources),
 437        .resource       = mxc_sdhc2_resources,
 438 };
 439
 440 static struct resource otg_resources[] = {
 441         {
 442                 .start  = OTG_BASE_ADDR,
 443                 .end    = OTG_BASE_ADDR + 0x1ff,
 444                 .flags  = IORESOURCE_MEM,
 445         }, {
 446                 .start  = MXC_INT_USB3,
 447                 .end    = MXC_INT_USB3,
 448                 .flags  = IORESOURCE_IRQ,
 449         },
 450 };
 451
 452 static u64 otg_dmamask = 0xffffffffUL;
 453
 454 /* OTG gadget device */
 455 struct platform_device mxc_otg_udc_device = {
 456         .name           = "fsl-usb2-udc",
 457         .id             = -1,
 458         .dev            = {
 459                 .dma_mask               = &otg_dmamask,
 460                 .coherent_dma_mask      = 0xffffffffUL,
 461         },
 462         .resource       = otg_resources,
 463         .num_resources  = ARRAY_SIZE(otg_resources),
 464 };
 465
 466 /* OTG host */
 467 struct platform_device mxc_otg_host = {
 468         .name = "mxc-ehci",
 469         .id = 0,
 470         .dev = {
 471                 .coherent_dma_mask = 0xffffffff,
 472                 .dma_mask = &otg_dmamask,
 473         },
 474         .resource = otg_resources,
 475         .num_resources = ARRAY_SIZE(otg_resources),
 476 };
 477
 478 /* USB host 1 */
 479
 480 static u64 usbh1_dmamask = 0xffffffffUL;
 481
 482 static struct resource mxc_usbh1_resources[] = {
 483         {
 484                 .start = OTG_BASE_ADDR + 0x200,
 485                 .end = OTG_BASE_ADDR + 0x3ff,
 486                 .flags = IORESOURCE_MEM,
 487         }, {
 488                 .start = MXC_INT_USB1,
 489                 .end = MXC_INT_USB1,
 490                 .flags = IORESOURCE_IRQ,
 491         },
 492 };
 493
 494 struct platform_device mxc_usbh1 = {
 495         .name = "mxc-ehci",
 496         .id = 1,
 497         .dev = {
 498                 .coherent_dma_mask = 0xffffffff,
 499                 .dma_mask = &usbh1_dmamask,
 500         },
 501         .resource = mxc_usbh1_resources,
 502         .num_resources = ARRAY_SIZE(mxc_usbh1_resources),
 503 };
 504
 505 /* USB host 2 */
 506 static u64 usbh2_dmamask = 0xffffffffUL;
 507
 508 static struct resource mxc_usbh2_resources[] = {
 509         {
 510                 .start = OTG_BASE_ADDR + 0x400,
 511                 .end = OTG_BASE_ADDR + 0x5ff,
 512                 .flags = IORESOURCE_MEM,
 513         }, {
 514                 .start = MXC_INT_USB2,
 515                 .end = MXC_INT_USB2,
 516                 .flags = IORESOURCE_IRQ,
 517         },
 518 };
 519
 520 struct platform_device mxc_usbh2 = {
 521         .name = "mxc-ehci",
 522         .id = 2,
 523         .dev = {
 524                 .coherent_dma_mask = 0xffffffff,
 525                 .dma_mask = &usbh2_dmamask,
 526         },
 527         .resource = mxc_usbh2_resources,
 528         .num_resources = ARRAY_SIZE(mxc_usbh2_resources),
 529 };
 530
 531
 532 /* GPIO port description */
 533 static struct mxc_gpio_port imx_gpio_ports[] = {
 534         {
 535                 .chip.label = "gpio-0",
 536                 .irq = MXC_INT_GPIO,
 537                 .base = IO_ADDRESS(GPIO_BASE_ADDR),
 538                 .virtual_irq_start = MXC_GPIO_IRQ_START,
 539         }, {
 540                 .chip.label = "gpio-1",
 541                 .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
 542                 .virtual_irq_start = MXC_GPIO_IRQ_START + 32,
 543         }, {
 544                 .chip.label = "gpio-2",
 545                 .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
 546                 .virtual_irq_start = MXC_GPIO_IRQ_START + 64,
 547         }, {
 548                 .chip.label = "gpio-3",
 549                 .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
 550                 .virtual_irq_start = MXC_GPIO_IRQ_START + 96,
 551         }, {
 552                 .chip.label = "gpio-4",
 553                 .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x400),
 554                 .virtual_irq_start = MXC_GPIO_IRQ_START + 128,
 555         }, {
 556                 .chip.label = "gpio-5",
 557                 .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x500),
 558                 .virtual_irq_start = MXC_GPIO_IRQ_START + 160,
 559         }
 560 };
 561
 562 int __init mxc_register_gpios(void)
 563 {
 564         return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
 565 }