linux/arch/arm/mach-at91/at91sam9263_devices.c
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   1/*
   2 * arch/arm/mach-at91/at91sam9263_devices.c
   3 *
   4 *  Copyright (C) 2007 Atmel Corporation.
   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 as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 */
  12#include <asm/mach/arch.h>
  13#include <asm/mach/map.h>
  14
  15#include <linux/dma-mapping.h>
  16#include <linux/gpio.h>
  17#include <linux/platform_device.h>
  18#include <linux/i2c-gpio.h>
  19
  20#include <linux/fb.h>
  21#include <video/atmel_lcdc.h>
  22
  23#include <mach/board.h>
  24#include <mach/at91sam9263.h>
  25#include <mach/at91sam9263_matrix.h>
  26#include <mach/at91_matrix.h>
  27#include <mach/at91sam9_smc.h>
  28
  29#include "generic.h"
  30
  31
  32/* --------------------------------------------------------------------
  33 *  USB Host
  34 * -------------------------------------------------------------------- */
  35
  36#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  37static u64 ohci_dmamask = DMA_BIT_MASK(32);
  38static struct at91_usbh_data usbh_data;
  39
  40static struct resource usbh_resources[] = {
  41        [0] = {
  42                .start  = AT91SAM9263_UHP_BASE,
  43                .end    = AT91SAM9263_UHP_BASE + SZ_1M - 1,
  44                .flags  = IORESOURCE_MEM,
  45        },
  46        [1] = {
  47                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_UHP,
  48                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_UHP,
  49                .flags  = IORESOURCE_IRQ,
  50        },
  51};
  52
  53static struct platform_device at91_usbh_device = {
  54        .name           = "at91_ohci",
  55        .id             = -1,
  56        .dev            = {
  57                                .dma_mask               = &ohci_dmamask,
  58                                .coherent_dma_mask      = DMA_BIT_MASK(32),
  59                                .platform_data          = &usbh_data,
  60        },
  61        .resource       = usbh_resources,
  62        .num_resources  = ARRAY_SIZE(usbh_resources),
  63};
  64
  65void __init at91_add_device_usbh(struct at91_usbh_data *data)
  66{
  67        int i;
  68
  69        if (!data)
  70                return;
  71
  72        /* Enable VBus control for UHP ports */
  73        for (i = 0; i < data->ports; i++) {
  74                if (gpio_is_valid(data->vbus_pin[i]))
  75                        at91_set_gpio_output(data->vbus_pin[i],
  76                                             data->vbus_pin_active_low[i]);
  77        }
  78
  79        /* Enable overcurrent notification */
  80        for (i = 0; i < data->ports; i++) {
  81                if (data->overcurrent_pin[i])
  82                        at91_set_gpio_input(data->overcurrent_pin[i], 1);
  83        }
  84
  85        usbh_data = *data;
  86        platform_device_register(&at91_usbh_device);
  87}
  88#else
  89void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  90#endif
  91
  92
  93/* --------------------------------------------------------------------
  94 *  USB Device (Gadget)
  95 * -------------------------------------------------------------------- */
  96
  97#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
  98static struct at91_udc_data udc_data;
  99
 100static struct resource udc_resources[] = {
 101        [0] = {
 102                .start  = AT91SAM9263_BASE_UDP,
 103                .end    = AT91SAM9263_BASE_UDP + SZ_16K - 1,
 104                .flags  = IORESOURCE_MEM,
 105        },
 106        [1] = {
 107                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_UDP,
 108                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_UDP,
 109                .flags  = IORESOURCE_IRQ,
 110        },
 111};
 112
 113static struct platform_device at91_udc_device = {
 114        .name           = "at91_udc",
 115        .id             = -1,
 116        .dev            = {
 117                                .platform_data          = &udc_data,
 118        },
 119        .resource       = udc_resources,
 120        .num_resources  = ARRAY_SIZE(udc_resources),
 121};
 122
 123void __init at91_add_device_udc(struct at91_udc_data *data)
 124{
 125        if (!data)
 126                return;
 127
 128        if (gpio_is_valid(data->vbus_pin)) {
 129                at91_set_gpio_input(data->vbus_pin, 0);
 130                at91_set_deglitch(data->vbus_pin, 1);
 131        }
 132
 133        /* Pullup pin is handled internally by USB device peripheral */
 134
 135        udc_data = *data;
 136        platform_device_register(&at91_udc_device);
 137}
 138#else
 139void __init at91_add_device_udc(struct at91_udc_data *data) {}
 140#endif
 141
 142
 143/* --------------------------------------------------------------------
 144 *  Ethernet
 145 * -------------------------------------------------------------------- */
 146
 147#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 148static u64 eth_dmamask = DMA_BIT_MASK(32);
 149static struct macb_platform_data eth_data;
 150
 151static struct resource eth_resources[] = {
 152        [0] = {
 153                .start  = AT91SAM9263_BASE_EMAC,
 154                .end    = AT91SAM9263_BASE_EMAC + SZ_16K - 1,
 155                .flags  = IORESOURCE_MEM,
 156        },
 157        [1] = {
 158                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_EMAC,
 159                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_EMAC,
 160                .flags  = IORESOURCE_IRQ,
 161        },
 162};
 163
 164static struct platform_device at91sam9263_eth_device = {
 165        .name           = "macb",
 166        .id             = -1,
 167        .dev            = {
 168                                .dma_mask               = &eth_dmamask,
 169                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 170                                .platform_data          = &eth_data,
 171        },
 172        .resource       = eth_resources,
 173        .num_resources  = ARRAY_SIZE(eth_resources),
 174};
 175
 176void __init at91_add_device_eth(struct macb_platform_data *data)
 177{
 178        if (!data)
 179                return;
 180
 181        if (gpio_is_valid(data->phy_irq_pin)) {
 182                at91_set_gpio_input(data->phy_irq_pin, 0);
 183                at91_set_deglitch(data->phy_irq_pin, 1);
 184        }
 185
 186        /* Pins used for MII and RMII */
 187        at91_set_A_periph(AT91_PIN_PE21, 0);    /* ETXCK_EREFCK */
 188        at91_set_B_periph(AT91_PIN_PC25, 0);    /* ERXDV */
 189        at91_set_A_periph(AT91_PIN_PE25, 0);    /* ERX0 */
 190        at91_set_A_periph(AT91_PIN_PE26, 0);    /* ERX1 */
 191        at91_set_A_periph(AT91_PIN_PE27, 0);    /* ERXER */
 192        at91_set_A_periph(AT91_PIN_PE28, 0);    /* ETXEN */
 193        at91_set_A_periph(AT91_PIN_PE23, 0);    /* ETX0 */
 194        at91_set_A_periph(AT91_PIN_PE24, 0);    /* ETX1 */
 195        at91_set_A_periph(AT91_PIN_PE30, 0);    /* EMDIO */
 196        at91_set_A_periph(AT91_PIN_PE29, 0);    /* EMDC */
 197
 198        if (!data->is_rmii) {
 199                at91_set_A_periph(AT91_PIN_PE22, 0);    /* ECRS */
 200                at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
 201                at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
 202                at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
 203                at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
 204                at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
 205                at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
 206                at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
 207        }
 208
 209        eth_data = *data;
 210        platform_device_register(&at91sam9263_eth_device);
 211}
 212#else
 213void __init at91_add_device_eth(struct macb_platform_data *data) {}
 214#endif
 215
 216
 217/* --------------------------------------------------------------------
 218 *  MMC / SD
 219 * -------------------------------------------------------------------- */
 220
 221#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
 222static u64 mmc_dmamask = DMA_BIT_MASK(32);
 223static struct at91_mmc_data mmc0_data, mmc1_data;
 224
 225static struct resource mmc0_resources[] = {
 226        [0] = {
 227                .start  = AT91SAM9263_BASE_MCI0,
 228                .end    = AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
 229                .flags  = IORESOURCE_MEM,
 230        },
 231        [1] = {
 232                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_MCI0,
 233                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_MCI0,
 234                .flags  = IORESOURCE_IRQ,
 235        },
 236};
 237
 238static struct platform_device at91sam9263_mmc0_device = {
 239        .name           = "at91_mci",
 240        .id             = 0,
 241        .dev            = {
 242                                .dma_mask               = &mmc_dmamask,
 243                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 244                                .platform_data          = &mmc0_data,
 245        },
 246        .resource       = mmc0_resources,
 247        .num_resources  = ARRAY_SIZE(mmc0_resources),
 248};
 249
 250static struct resource mmc1_resources[] = {
 251        [0] = {
 252                .start  = AT91SAM9263_BASE_MCI1,
 253                .end    = AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
 254                .flags  = IORESOURCE_MEM,
 255        },
 256        [1] = {
 257                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_MCI1,
 258                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_MCI1,
 259                .flags  = IORESOURCE_IRQ,
 260        },
 261};
 262
 263static struct platform_device at91sam9263_mmc1_device = {
 264        .name           = "at91_mci",
 265        .id             = 1,
 266        .dev            = {
 267                                .dma_mask               = &mmc_dmamask,
 268                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 269                                .platform_data          = &mmc1_data,
 270        },
 271        .resource       = mmc1_resources,
 272        .num_resources  = ARRAY_SIZE(mmc1_resources),
 273};
 274
 275void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 276{
 277        if (!data)
 278                return;
 279
 280        /* input/irq */
 281        if (gpio_is_valid(data->det_pin)) {
 282                at91_set_gpio_input(data->det_pin, 1);
 283                at91_set_deglitch(data->det_pin, 1);
 284        }
 285        if (gpio_is_valid(data->wp_pin))
 286                at91_set_gpio_input(data->wp_pin, 1);
 287        if (gpio_is_valid(data->vcc_pin))
 288                at91_set_gpio_output(data->vcc_pin, 0);
 289
 290        if (mmc_id == 0) {              /* MCI0 */
 291                /* CLK */
 292                at91_set_A_periph(AT91_PIN_PA12, 0);
 293
 294                if (data->slot_b) {
 295                        /* CMD */
 296                        at91_set_A_periph(AT91_PIN_PA16, 1);
 297
 298                        /* DAT0, maybe DAT1..DAT3 */
 299                        at91_set_A_periph(AT91_PIN_PA17, 1);
 300                        if (data->wire4) {
 301                                at91_set_A_periph(AT91_PIN_PA18, 1);
 302                                at91_set_A_periph(AT91_PIN_PA19, 1);
 303                                at91_set_A_periph(AT91_PIN_PA20, 1);
 304                        }
 305                } else {
 306                        /* CMD */
 307                        at91_set_A_periph(AT91_PIN_PA1, 1);
 308
 309                        /* DAT0, maybe DAT1..DAT3 */
 310                        at91_set_A_periph(AT91_PIN_PA0, 1);
 311                        if (data->wire4) {
 312                                at91_set_A_periph(AT91_PIN_PA3, 1);
 313                                at91_set_A_periph(AT91_PIN_PA4, 1);
 314                                at91_set_A_periph(AT91_PIN_PA5, 1);
 315                        }
 316                }
 317
 318                mmc0_data = *data;
 319                platform_device_register(&at91sam9263_mmc0_device);
 320        } else {                        /* MCI1 */
 321                /* CLK */
 322                at91_set_A_periph(AT91_PIN_PA6, 0);
 323
 324                if (data->slot_b) {
 325                        /* CMD */
 326                        at91_set_A_periph(AT91_PIN_PA21, 1);
 327
 328                        /* DAT0, maybe DAT1..DAT3 */
 329                        at91_set_A_periph(AT91_PIN_PA22, 1);
 330                        if (data->wire4) {
 331                                at91_set_A_periph(AT91_PIN_PA23, 1);
 332                                at91_set_A_periph(AT91_PIN_PA24, 1);
 333                                at91_set_A_periph(AT91_PIN_PA25, 1);
 334                        }
 335                } else {
 336                        /* CMD */
 337                        at91_set_A_periph(AT91_PIN_PA7, 1);
 338
 339                        /* DAT0, maybe DAT1..DAT3 */
 340                        at91_set_A_periph(AT91_PIN_PA8, 1);
 341                        if (data->wire4) {
 342                                at91_set_A_periph(AT91_PIN_PA9, 1);
 343                                at91_set_A_periph(AT91_PIN_PA10, 1);
 344                                at91_set_A_periph(AT91_PIN_PA11, 1);
 345                        }
 346                }
 347
 348                mmc1_data = *data;
 349                platform_device_register(&at91sam9263_mmc1_device);
 350        }
 351}
 352#else
 353void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 354#endif
 355
 356/* --------------------------------------------------------------------
 357 *  Compact Flash (PCMCIA or IDE)
 358 * -------------------------------------------------------------------- */
 359
 360#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
 361        defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 362
 363static struct at91_cf_data cf0_data;
 364
 365static struct resource cf0_resources[] = {
 366        [0] = {
 367                .start  = AT91_CHIPSELECT_4,
 368                .end    = AT91_CHIPSELECT_4 + SZ_256M - 1,
 369                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
 370        }
 371};
 372
 373static struct platform_device cf0_device = {
 374        .id             = 0,
 375        .dev            = {
 376                                .platform_data  = &cf0_data,
 377        },
 378        .resource       = cf0_resources,
 379        .num_resources  = ARRAY_SIZE(cf0_resources),
 380};
 381
 382static struct at91_cf_data cf1_data;
 383
 384static struct resource cf1_resources[] = {
 385        [0] = {
 386                .start  = AT91_CHIPSELECT_5,
 387                .end    = AT91_CHIPSELECT_5 + SZ_256M - 1,
 388                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
 389        }
 390};
 391
 392static struct platform_device cf1_device = {
 393        .id             = 1,
 394        .dev            = {
 395                                .platform_data  = &cf1_data,
 396        },
 397        .resource       = cf1_resources,
 398        .num_resources  = ARRAY_SIZE(cf1_resources),
 399};
 400
 401void __init at91_add_device_cf(struct at91_cf_data *data)
 402{
 403        unsigned long ebi0_csa;
 404        struct platform_device *pdev;
 405
 406        if (!data)
 407                return;
 408
 409        /*
 410         * assign CS4 or CS5 to SMC with Compact Flash logic support,
 411         * we assume SMC timings are configured by board code,
 412         * except True IDE where timings are controlled by driver
 413         */
 414        ebi0_csa = at91_matrix_read(AT91_MATRIX_EBI0CSA);
 415        switch (data->chipselect) {
 416        case 4:
 417                at91_set_A_periph(AT91_PIN_PD6, 0);  /* EBI0_NCS4/CFCS0 */
 418                ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
 419                cf0_data = *data;
 420                pdev = &cf0_device;
 421                break;
 422        case 5:
 423                at91_set_A_periph(AT91_PIN_PD7, 0);  /* EBI0_NCS5/CFCS1 */
 424                ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
 425                cf1_data = *data;
 426                pdev = &cf1_device;
 427                break;
 428        default:
 429                printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
 430                       data->chipselect);
 431                return;
 432        }
 433        at91_matrix_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
 434
 435        if (gpio_is_valid(data->det_pin)) {
 436                at91_set_gpio_input(data->det_pin, 1);
 437                at91_set_deglitch(data->det_pin, 1);
 438        }
 439
 440        if (gpio_is_valid(data->irq_pin)) {
 441                at91_set_gpio_input(data->irq_pin, 1);
 442                at91_set_deglitch(data->irq_pin, 1);
 443        }
 444
 445        if (gpio_is_valid(data->vcc_pin))
 446                /* initially off */
 447                at91_set_gpio_output(data->vcc_pin, 0);
 448
 449        /* enable EBI controlled pins */
 450        at91_set_A_periph(AT91_PIN_PD5, 1);  /* NWAIT */
 451        at91_set_A_periph(AT91_PIN_PD8, 0);  /* CFCE1 */
 452        at91_set_A_periph(AT91_PIN_PD9, 0);  /* CFCE2 */
 453        at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
 454
 455        pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "pata_at91" : "at91_cf";
 456        platform_device_register(pdev);
 457}
 458#else
 459void __init at91_add_device_cf(struct at91_cf_data *data) {}
 460#endif
 461
 462/* --------------------------------------------------------------------
 463 *  NAND / SmartMedia
 464 * -------------------------------------------------------------------- */
 465
 466#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 467static struct atmel_nand_data nand_data;
 468
 469#define NAND_BASE       AT91_CHIPSELECT_3
 470
 471static struct resource nand_resources[] = {
 472        [0] = {
 473                .start  = NAND_BASE,
 474                .end    = NAND_BASE + SZ_256M - 1,
 475                .flags  = IORESOURCE_MEM,
 476        },
 477        [1] = {
 478                .start  = AT91SAM9263_BASE_ECC0,
 479                .end    = AT91SAM9263_BASE_ECC0 + SZ_512 - 1,
 480                .flags  = IORESOURCE_MEM,
 481        }
 482};
 483
 484static struct platform_device at91sam9263_nand_device = {
 485        .name           = "atmel_nand",
 486        .id             = -1,
 487        .dev            = {
 488                                .platform_data  = &nand_data,
 489        },
 490        .resource       = nand_resources,
 491        .num_resources  = ARRAY_SIZE(nand_resources),
 492};
 493
 494void __init at91_add_device_nand(struct atmel_nand_data *data)
 495{
 496        unsigned long csa;
 497
 498        if (!data)
 499                return;
 500
 501        csa = at91_matrix_read(AT91_MATRIX_EBI0CSA);
 502        at91_matrix_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 503
 504        /* enable pin */
 505        if (gpio_is_valid(data->enable_pin))
 506                at91_set_gpio_output(data->enable_pin, 1);
 507
 508        /* ready/busy pin */
 509        if (gpio_is_valid(data->rdy_pin))
 510                at91_set_gpio_input(data->rdy_pin, 1);
 511
 512        /* card detect pin */
 513        if (gpio_is_valid(data->det_pin))
 514                at91_set_gpio_input(data->det_pin, 1);
 515
 516        nand_data = *data;
 517        platform_device_register(&at91sam9263_nand_device);
 518}
 519#else
 520void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 521#endif
 522
 523
 524/* --------------------------------------------------------------------
 525 *  TWI (i2c)
 526 * -------------------------------------------------------------------- */
 527
 528/*
 529 * Prefer the GPIO code since the TWI controller isn't robust
 530 * (gets overruns and underruns under load) and can only issue
 531 * repeated STARTs in one scenario (the driver doesn't yet handle them).
 532 */
 533#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 534
 535static struct i2c_gpio_platform_data pdata = {
 536        .sda_pin                = AT91_PIN_PB4,
 537        .sda_is_open_drain      = 1,
 538        .scl_pin                = AT91_PIN_PB5,
 539        .scl_is_open_drain      = 1,
 540        .udelay                 = 2,            /* ~100 kHz */
 541};
 542
 543static struct platform_device at91sam9263_twi_device = {
 544        .name                   = "i2c-gpio",
 545        .id                     = -1,
 546        .dev.platform_data      = &pdata,
 547};
 548
 549void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 550{
 551        at91_set_GPIO_periph(AT91_PIN_PB4, 1);          /* TWD (SDA) */
 552        at91_set_multi_drive(AT91_PIN_PB4, 1);
 553
 554        at91_set_GPIO_periph(AT91_PIN_PB5, 1);          /* TWCK (SCL) */
 555        at91_set_multi_drive(AT91_PIN_PB5, 1);
 556
 557        i2c_register_board_info(0, devices, nr_devices);
 558        platform_device_register(&at91sam9263_twi_device);
 559}
 560
 561#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 562
 563static struct resource twi_resources[] = {
 564        [0] = {
 565                .start  = AT91SAM9263_BASE_TWI,
 566                .end    = AT91SAM9263_BASE_TWI + SZ_16K - 1,
 567                .flags  = IORESOURCE_MEM,
 568        },
 569        [1] = {
 570                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_TWI,
 571                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_TWI,
 572                .flags  = IORESOURCE_IRQ,
 573        },
 574};
 575
 576static struct platform_device at91sam9263_twi_device = {
 577        .name           = "at91_i2c",
 578        .id             = -1,
 579        .resource       = twi_resources,
 580        .num_resources  = ARRAY_SIZE(twi_resources),
 581};
 582
 583void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 584{
 585        /* pins used for TWI interface */
 586        at91_set_A_periph(AT91_PIN_PB4, 0);             /* TWD */
 587        at91_set_multi_drive(AT91_PIN_PB4, 1);
 588
 589        at91_set_A_periph(AT91_PIN_PB5, 0);             /* TWCK */
 590        at91_set_multi_drive(AT91_PIN_PB5, 1);
 591
 592        i2c_register_board_info(0, devices, nr_devices);
 593        platform_device_register(&at91sam9263_twi_device);
 594}
 595#else
 596void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 597#endif
 598
 599
 600/* --------------------------------------------------------------------
 601 *  SPI
 602 * -------------------------------------------------------------------- */
 603
 604#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 605static u64 spi_dmamask = DMA_BIT_MASK(32);
 606
 607static struct resource spi0_resources[] = {
 608        [0] = {
 609                .start  = AT91SAM9263_BASE_SPI0,
 610                .end    = AT91SAM9263_BASE_SPI0 + SZ_16K - 1,
 611                .flags  = IORESOURCE_MEM,
 612        },
 613        [1] = {
 614                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_SPI0,
 615                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_SPI0,
 616                .flags  = IORESOURCE_IRQ,
 617        },
 618};
 619
 620static struct platform_device at91sam9263_spi0_device = {
 621        .name           = "atmel_spi",
 622        .id             = 0,
 623        .dev            = {
 624                                .dma_mask               = &spi_dmamask,
 625                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 626        },
 627        .resource       = spi0_resources,
 628        .num_resources  = ARRAY_SIZE(spi0_resources),
 629};
 630
 631static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 };
 632
 633static struct resource spi1_resources[] = {
 634        [0] = {
 635                .start  = AT91SAM9263_BASE_SPI1,
 636                .end    = AT91SAM9263_BASE_SPI1 + SZ_16K - 1,
 637                .flags  = IORESOURCE_MEM,
 638        },
 639        [1] = {
 640                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_SPI1,
 641                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_SPI1,
 642                .flags  = IORESOURCE_IRQ,
 643        },
 644};
 645
 646static struct platform_device at91sam9263_spi1_device = {
 647        .name           = "atmel_spi",
 648        .id             = 1,
 649        .dev            = {
 650                                .dma_mask               = &spi_dmamask,
 651                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 652        },
 653        .resource       = spi1_resources,
 654        .num_resources  = ARRAY_SIZE(spi1_resources),
 655};
 656
 657static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
 658
 659void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 660{
 661        int i;
 662        unsigned long cs_pin;
 663        short enable_spi0 = 0;
 664        short enable_spi1 = 0;
 665
 666        /* Choose SPI chip-selects */
 667        for (i = 0; i < nr_devices; i++) {
 668                if (devices[i].controller_data)
 669                        cs_pin = (unsigned long) devices[i].controller_data;
 670                else if (devices[i].bus_num == 0)
 671                        cs_pin = spi0_standard_cs[devices[i].chip_select];
 672                else
 673                        cs_pin = spi1_standard_cs[devices[i].chip_select];
 674
 675                if (!gpio_is_valid(cs_pin))
 676                        continue;
 677
 678                if (devices[i].bus_num == 0)
 679                        enable_spi0 = 1;
 680                else
 681                        enable_spi1 = 1;
 682
 683                /* enable chip-select pin */
 684                at91_set_gpio_output(cs_pin, 1);
 685
 686                /* pass chip-select pin to driver */
 687                devices[i].controller_data = (void *) cs_pin;
 688        }
 689
 690        spi_register_board_info(devices, nr_devices);
 691
 692        /* Configure SPI bus(es) */
 693        if (enable_spi0) {
 694                at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
 695                at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
 696                at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
 697
 698                platform_device_register(&at91sam9263_spi0_device);
 699        }
 700        if (enable_spi1) {
 701                at91_set_A_periph(AT91_PIN_PB12, 0);    /* SPI1_MISO */
 702                at91_set_A_periph(AT91_PIN_PB13, 0);    /* SPI1_MOSI */
 703                at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_SPCK */
 704
 705                platform_device_register(&at91sam9263_spi1_device);
 706        }
 707}
 708#else
 709void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 710#endif
 711
 712
 713/* --------------------------------------------------------------------
 714 *  AC97
 715 * -------------------------------------------------------------------- */
 716
 717#if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
 718static u64 ac97_dmamask = DMA_BIT_MASK(32);
 719static struct ac97c_platform_data ac97_data;
 720
 721static struct resource ac97_resources[] = {
 722        [0] = {
 723                .start  = AT91SAM9263_BASE_AC97C,
 724                .end    = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
 725                .flags  = IORESOURCE_MEM,
 726        },
 727        [1] = {
 728                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_AC97C,
 729                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_AC97C,
 730                .flags  = IORESOURCE_IRQ,
 731        },
 732};
 733
 734static struct platform_device at91sam9263_ac97_device = {
 735        .name           = "atmel_ac97c",
 736        .id             = 0,
 737        .dev            = {
 738                                .dma_mask               = &ac97_dmamask,
 739                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 740                                .platform_data          = &ac97_data,
 741        },
 742        .resource       = ac97_resources,
 743        .num_resources  = ARRAY_SIZE(ac97_resources),
 744};
 745
 746void __init at91_add_device_ac97(struct ac97c_platform_data *data)
 747{
 748        if (!data)
 749                return;
 750
 751        at91_set_A_periph(AT91_PIN_PB0, 0);     /* AC97FS */
 752        at91_set_A_periph(AT91_PIN_PB1, 0);     /* AC97CK */
 753        at91_set_A_periph(AT91_PIN_PB2, 0);     /* AC97TX */
 754        at91_set_A_periph(AT91_PIN_PB3, 0);     /* AC97RX */
 755
 756        /* reset */
 757        if (gpio_is_valid(data->reset_pin))
 758                at91_set_gpio_output(data->reset_pin, 0);
 759
 760        ac97_data = *data;
 761        platform_device_register(&at91sam9263_ac97_device);
 762}
 763#else
 764void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
 765#endif
 766
 767/* --------------------------------------------------------------------
 768 *  CAN Controller
 769 * -------------------------------------------------------------------- */
 770
 771#if defined(CONFIG_CAN_AT91) || defined(CONFIG_CAN_AT91_MODULE)
 772static struct resource can_resources[] = {
 773        [0] = {
 774                .start  = AT91SAM9263_BASE_CAN,
 775                .end    = AT91SAM9263_BASE_CAN + SZ_16K - 1,
 776                .flags  = IORESOURCE_MEM,
 777        },
 778        [1] = {
 779                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_CAN,
 780                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_CAN,
 781                .flags  = IORESOURCE_IRQ,
 782        },
 783};
 784
 785static struct platform_device at91sam9263_can_device = {
 786        .name           = "at91_can",
 787        .id             = -1,
 788        .resource       = can_resources,
 789        .num_resources  = ARRAY_SIZE(can_resources),
 790};
 791
 792void __init at91_add_device_can(struct at91_can_data *data)
 793{
 794        at91_set_A_periph(AT91_PIN_PA13, 0);    /* CANTX */
 795        at91_set_A_periph(AT91_PIN_PA14, 0);    /* CANRX */
 796        at91sam9263_can_device.dev.platform_data = data;
 797
 798        platform_device_register(&at91sam9263_can_device);
 799}
 800#else
 801void __init at91_add_device_can(struct at91_can_data *data) {}
 802#endif
 803
 804/* --------------------------------------------------------------------
 805 *  LCD Controller
 806 * -------------------------------------------------------------------- */
 807
 808#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 809static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 810static struct atmel_lcdfb_info lcdc_data;
 811
 812static struct resource lcdc_resources[] = {
 813        [0] = {
 814                .start  = AT91SAM9263_LCDC_BASE,
 815                .end    = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
 816                .flags  = IORESOURCE_MEM,
 817        },
 818        [1] = {
 819                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_LCDC,
 820                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_LCDC,
 821                .flags  = IORESOURCE_IRQ,
 822        },
 823};
 824
 825static struct platform_device at91_lcdc_device = {
 826        .name           = "atmel_lcdfb",
 827        .id             = 0,
 828        .dev            = {
 829                                .dma_mask               = &lcdc_dmamask,
 830                                .coherent_dma_mask      = DMA_BIT_MASK(32),
 831                                .platform_data          = &lcdc_data,
 832        },
 833        .resource       = lcdc_resources,
 834        .num_resources  = ARRAY_SIZE(lcdc_resources),
 835};
 836
 837void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
 838{
 839        if (!data)
 840                return;
 841
 842        at91_set_A_periph(AT91_PIN_PC1, 0);     /* LCDHSYNC */
 843        at91_set_A_periph(AT91_PIN_PC2, 0);     /* LCDDOTCK */
 844        at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDDEN */
 845        at91_set_B_periph(AT91_PIN_PB9, 0);     /* LCDCC */
 846        at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDD2 */
 847        at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDD3 */
 848        at91_set_A_periph(AT91_PIN_PC8, 0);     /* LCDD4 */
 849        at91_set_A_periph(AT91_PIN_PC9, 0);     /* LCDD5 */
 850        at91_set_A_periph(AT91_PIN_PC10, 0);    /* LCDD6 */
 851        at91_set_A_periph(AT91_PIN_PC11, 0);    /* LCDD7 */
 852        at91_set_A_periph(AT91_PIN_PC14, 0);    /* LCDD10 */
 853        at91_set_A_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
 854        at91_set_A_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
 855        at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD13 */
 856        at91_set_A_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
 857        at91_set_A_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
 858        at91_set_A_periph(AT91_PIN_PC22, 0);    /* LCDD18 */
 859        at91_set_A_periph(AT91_PIN_PC23, 0);    /* LCDD19 */
 860        at91_set_A_periph(AT91_PIN_PC24, 0);    /* LCDD20 */
 861        at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD21 */
 862        at91_set_A_periph(AT91_PIN_PC26, 0);    /* LCDD22 */
 863        at91_set_A_periph(AT91_PIN_PC27, 0);    /* LCDD23 */
 864
 865        lcdc_data = *data;
 866        platform_device_register(&at91_lcdc_device);
 867}
 868#else
 869void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 870#endif
 871
 872
 873/* --------------------------------------------------------------------
 874 *  Image Sensor Interface
 875 * -------------------------------------------------------------------- */
 876
 877#if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
 878
 879struct resource isi_resources[] = {
 880        [0] = {
 881                .start  = AT91SAM9263_BASE_ISI,
 882                .end    = AT91SAM9263_BASE_ISI + SZ_16K - 1,
 883                .flags  = IORESOURCE_MEM,
 884        },
 885        [1] = {
 886                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_ISI,
 887                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_ISI,
 888                .flags  = IORESOURCE_IRQ,
 889        },
 890};
 891
 892static struct platform_device at91sam9263_isi_device = {
 893        .name           = "at91_isi",
 894        .id             = -1,
 895        .resource       = isi_resources,
 896        .num_resources  = ARRAY_SIZE(isi_resources),
 897};
 898
 899void __init at91_add_device_isi(struct isi_platform_data *data,
 900                bool use_pck_as_mck)
 901{
 902        at91_set_A_periph(AT91_PIN_PE0, 0);     /* ISI_D0 */
 903        at91_set_A_periph(AT91_PIN_PE1, 0);     /* ISI_D1 */
 904        at91_set_A_periph(AT91_PIN_PE2, 0);     /* ISI_D2 */
 905        at91_set_A_periph(AT91_PIN_PE3, 0);     /* ISI_D3 */
 906        at91_set_A_periph(AT91_PIN_PE4, 0);     /* ISI_D4 */
 907        at91_set_A_periph(AT91_PIN_PE5, 0);     /* ISI_D5 */
 908        at91_set_A_periph(AT91_PIN_PE6, 0);     /* ISI_D6 */
 909        at91_set_A_periph(AT91_PIN_PE7, 0);     /* ISI_D7 */
 910        at91_set_A_periph(AT91_PIN_PE8, 0);     /* ISI_PCK */
 911        at91_set_A_periph(AT91_PIN_PE9, 0);     /* ISI_HSYNC */
 912        at91_set_A_periph(AT91_PIN_PE10, 0);    /* ISI_VSYNC */
 913        at91_set_B_periph(AT91_PIN_PE12, 0);    /* ISI_PD8 */
 914        at91_set_B_periph(AT91_PIN_PE13, 0);    /* ISI_PD9 */
 915        at91_set_B_periph(AT91_PIN_PE14, 0);    /* ISI_PD10 */
 916        at91_set_B_periph(AT91_PIN_PE15, 0);    /* ISI_PD11 */
 917
 918        if (use_pck_as_mck) {
 919                at91_set_B_periph(AT91_PIN_PE11, 0);    /* ISI_MCK (PCK3) */
 920
 921                /* TODO: register the PCK for ISI_MCK and set its parent */
 922        }
 923}
 924#else
 925void __init at91_add_device_isi(struct isi_platform_data *data,
 926                bool use_pck_as_mck) {}
 927#endif
 928
 929
 930/* --------------------------------------------------------------------
 931 *  Timer/Counter block
 932 * -------------------------------------------------------------------- */
 933
 934#ifdef CONFIG_ATMEL_TCLIB
 935
 936static struct resource tcb_resources[] = {
 937        [0] = {
 938                .start  = AT91SAM9263_BASE_TCB0,
 939                .end    = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
 940                .flags  = IORESOURCE_MEM,
 941        },
 942        [1] = {
 943                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_TCB,
 944                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_TCB,
 945                .flags  = IORESOURCE_IRQ,
 946        },
 947};
 948
 949static struct platform_device at91sam9263_tcb_device = {
 950        .name           = "atmel_tcb",
 951        .id             = 0,
 952        .resource       = tcb_resources,
 953        .num_resources  = ARRAY_SIZE(tcb_resources),
 954};
 955
 956#if defined(CONFIG_OF)
 957static struct of_device_id tcb_ids[] = {
 958        { .compatible = "atmel,at91rm9200-tcb" },
 959        { /*sentinel*/ }
 960};
 961#endif
 962
 963static void __init at91_add_device_tc(void)
 964{
 965#if defined(CONFIG_OF)
 966        struct device_node *np;
 967
 968        np = of_find_matching_node(NULL, tcb_ids);
 969        if (np) {
 970                of_node_put(np);
 971                return;
 972        }
 973#endif
 974
 975        platform_device_register(&at91sam9263_tcb_device);
 976}
 977#else
 978static void __init at91_add_device_tc(void) { }
 979#endif
 980
 981
 982/* --------------------------------------------------------------------
 983 *  RTT
 984 * -------------------------------------------------------------------- */
 985
 986static struct resource rtt0_resources[] = {
 987        {
 988                .start  = AT91SAM9263_BASE_RTT0,
 989                .end    = AT91SAM9263_BASE_RTT0 + SZ_16 - 1,
 990                .flags  = IORESOURCE_MEM,
 991        }, {
 992                .flags  = IORESOURCE_MEM,
 993        }, {
 994                .flags  = IORESOURCE_IRQ,
 995        }
 996};
 997
 998static struct platform_device at91sam9263_rtt0_device = {
 999        .name           = "at91_rtt",
1000        .id             = 0,
1001        .resource       = rtt0_resources,
1002};
1003
1004static struct resource rtt1_resources[] = {
1005        {
1006                .start  = AT91SAM9263_BASE_RTT1,
1007                .end    = AT91SAM9263_BASE_RTT1 + SZ_16 - 1,
1008                .flags  = IORESOURCE_MEM,
1009        }, {
1010                .flags  = IORESOURCE_MEM,
1011        }, {
1012                .flags  = IORESOURCE_IRQ,
1013        }
1014};
1015
1016static struct platform_device at91sam9263_rtt1_device = {
1017        .name           = "at91_rtt",
1018        .id             = 1,
1019        .resource       = rtt1_resources,
1020};
1021
1022#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
1023static void __init at91_add_device_rtt_rtc(void)
1024{
1025        struct platform_device *pdev;
1026        struct resource *r;
1027
1028        switch (CONFIG_RTC_DRV_AT91SAM9_RTT) {
1029        case 0:
1030                /*
1031                 * The second resource is needed only for the chosen RTT:
1032                 * GPBR will serve as the storage for RTC time offset
1033                 */
1034                at91sam9263_rtt0_device.num_resources = 3;
1035                at91sam9263_rtt1_device.num_resources = 1;
1036                pdev = &at91sam9263_rtt0_device;
1037                r = rtt0_resources;
1038                break;
1039        case 1:
1040                at91sam9263_rtt0_device.num_resources = 1;
1041                at91sam9263_rtt1_device.num_resources = 3;
1042                pdev = &at91sam9263_rtt1_device;
1043                r = rtt1_resources;
1044                break;
1045        default:
1046                pr_err("at91sam9263: only supports 2 RTT (%d)\n",
1047                       CONFIG_RTC_DRV_AT91SAM9_RTT);
1048                return;
1049        }
1050
1051        pdev->name = "rtc-at91sam9";
1052        r[1].start = AT91SAM9263_BASE_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
1053        r[1].end = r[1].start + 3;
1054        r[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
1055        r[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
1056}
1057#else
1058static void __init at91_add_device_rtt_rtc(void)
1059{
1060        /* Only one resource is needed: RTT not used as RTC */
1061        at91sam9263_rtt0_device.num_resources = 1;
1062        at91sam9263_rtt1_device.num_resources = 1;
1063}
1064#endif
1065
1066static void __init at91_add_device_rtt(void)
1067{
1068        at91_add_device_rtt_rtc();
1069        platform_device_register(&at91sam9263_rtt0_device);
1070        platform_device_register(&at91sam9263_rtt1_device);
1071}
1072
1073
1074/* --------------------------------------------------------------------
1075 *  Watchdog
1076 * -------------------------------------------------------------------- */
1077
1078#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
1079static struct resource wdt_resources[] = {
1080        {
1081                .start  = AT91SAM9263_BASE_WDT,
1082                .end    = AT91SAM9263_BASE_WDT + SZ_16 - 1,
1083                .flags  = IORESOURCE_MEM,
1084        }
1085};
1086
1087static struct platform_device at91sam9263_wdt_device = {
1088        .name           = "at91_wdt",
1089        .id             = -1,
1090        .resource       = wdt_resources,
1091        .num_resources  = ARRAY_SIZE(wdt_resources),
1092};
1093
1094static void __init at91_add_device_watchdog(void)
1095{
1096        platform_device_register(&at91sam9263_wdt_device);
1097}
1098#else
1099static void __init at91_add_device_watchdog(void) {}
1100#endif
1101
1102
1103/* --------------------------------------------------------------------
1104 *  PWM
1105 * --------------------------------------------------------------------*/
1106
1107#if defined(CONFIG_ATMEL_PWM)
1108static u32 pwm_mask;
1109
1110static struct resource pwm_resources[] = {
1111        [0] = {
1112                .start  = AT91SAM9263_BASE_PWMC,
1113                .end    = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
1114                .flags  = IORESOURCE_MEM,
1115        },
1116        [1] = {
1117                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_PWMC,
1118                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_PWMC,
1119                .flags  = IORESOURCE_IRQ,
1120        },
1121};
1122
1123static struct platform_device at91sam9263_pwm0_device = {
1124        .name   = "atmel_pwm",
1125        .id     = -1,
1126        .dev    = {
1127                .platform_data          = &pwm_mask,
1128        },
1129        .resource       = pwm_resources,
1130        .num_resources  = ARRAY_SIZE(pwm_resources),
1131};
1132
1133void __init at91_add_device_pwm(u32 mask)
1134{
1135        if (mask & (1 << AT91_PWM0))
1136                at91_set_B_periph(AT91_PIN_PB7, 1);     /* enable PWM0 */
1137
1138        if (mask & (1 << AT91_PWM1))
1139                at91_set_B_periph(AT91_PIN_PB8, 1);     /* enable PWM1 */
1140
1141        if (mask & (1 << AT91_PWM2))
1142                at91_set_B_periph(AT91_PIN_PC29, 1);    /* enable PWM2 */
1143
1144        if (mask & (1 << AT91_PWM3))
1145                at91_set_B_periph(AT91_PIN_PB29, 1);    /* enable PWM3 */
1146
1147        pwm_mask = mask;
1148
1149        platform_device_register(&at91sam9263_pwm0_device);
1150}
1151#else
1152void __init at91_add_device_pwm(u32 mask) {}
1153#endif
1154
1155
1156/* --------------------------------------------------------------------
1157 *  SSC -- Synchronous Serial Controller
1158 * -------------------------------------------------------------------- */
1159
1160#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1161static u64 ssc0_dmamask = DMA_BIT_MASK(32);
1162
1163static struct resource ssc0_resources[] = {
1164        [0] = {
1165                .start  = AT91SAM9263_BASE_SSC0,
1166                .end    = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
1167                .flags  = IORESOURCE_MEM,
1168        },
1169        [1] = {
1170                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_SSC0,
1171                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_SSC0,
1172                .flags  = IORESOURCE_IRQ,
1173        },
1174};
1175
1176static struct platform_device at91sam9263_ssc0_device = {
1177        .name   = "ssc",
1178        .id     = 0,
1179        .dev    = {
1180                .dma_mask               = &ssc0_dmamask,
1181                .coherent_dma_mask      = DMA_BIT_MASK(32),
1182        },
1183        .resource       = ssc0_resources,
1184        .num_resources  = ARRAY_SIZE(ssc0_resources),
1185};
1186
1187static inline void configure_ssc0_pins(unsigned pins)
1188{
1189        if (pins & ATMEL_SSC_TF)
1190                at91_set_B_periph(AT91_PIN_PB0, 1);
1191        if (pins & ATMEL_SSC_TK)
1192                at91_set_B_periph(AT91_PIN_PB1, 1);
1193        if (pins & ATMEL_SSC_TD)
1194                at91_set_B_periph(AT91_PIN_PB2, 1);
1195        if (pins & ATMEL_SSC_RD)
1196                at91_set_B_periph(AT91_PIN_PB3, 1);
1197        if (pins & ATMEL_SSC_RK)
1198                at91_set_B_periph(AT91_PIN_PB4, 1);
1199        if (pins & ATMEL_SSC_RF)
1200                at91_set_B_periph(AT91_PIN_PB5, 1);
1201}
1202
1203static u64 ssc1_dmamask = DMA_BIT_MASK(32);
1204
1205static struct resource ssc1_resources[] = {
1206        [0] = {
1207                .start  = AT91SAM9263_BASE_SSC1,
1208                .end    = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
1209                .flags  = IORESOURCE_MEM,
1210        },
1211        [1] = {
1212                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_SSC1,
1213                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_SSC1,
1214                .flags  = IORESOURCE_IRQ,
1215        },
1216};
1217
1218static struct platform_device at91sam9263_ssc1_device = {
1219        .name   = "ssc",
1220        .id     = 1,
1221        .dev    = {
1222                .dma_mask               = &ssc1_dmamask,
1223                .coherent_dma_mask      = DMA_BIT_MASK(32),
1224        },
1225        .resource       = ssc1_resources,
1226        .num_resources  = ARRAY_SIZE(ssc1_resources),
1227};
1228
1229static inline void configure_ssc1_pins(unsigned pins)
1230{
1231        if (pins & ATMEL_SSC_TF)
1232                at91_set_A_periph(AT91_PIN_PB6, 1);
1233        if (pins & ATMEL_SSC_TK)
1234                at91_set_A_periph(AT91_PIN_PB7, 1);
1235        if (pins & ATMEL_SSC_TD)
1236                at91_set_A_periph(AT91_PIN_PB8, 1);
1237        if (pins & ATMEL_SSC_RD)
1238                at91_set_A_periph(AT91_PIN_PB9, 1);
1239        if (pins & ATMEL_SSC_RK)
1240                at91_set_A_periph(AT91_PIN_PB10, 1);
1241        if (pins & ATMEL_SSC_RF)
1242                at91_set_A_periph(AT91_PIN_PB11, 1);
1243}
1244
1245/*
1246 * SSC controllers are accessed through library code, instead of any
1247 * kind of all-singing/all-dancing driver.  For example one could be
1248 * used by a particular I2S audio codec's driver, while another one
1249 * on the same system might be used by a custom data capture driver.
1250 */
1251void __init at91_add_device_ssc(unsigned id, unsigned pins)
1252{
1253        struct platform_device *pdev;
1254
1255        /*
1256         * NOTE: caller is responsible for passing information matching
1257         * "pins" to whatever will be using each particular controller.
1258         */
1259        switch (id) {
1260        case AT91SAM9263_ID_SSC0:
1261                pdev = &at91sam9263_ssc0_device;
1262                configure_ssc0_pins(pins);
1263                break;
1264        case AT91SAM9263_ID_SSC1:
1265                pdev = &at91sam9263_ssc1_device;
1266                configure_ssc1_pins(pins);
1267                break;
1268        default:
1269                return;
1270        }
1271
1272        platform_device_register(pdev);
1273}
1274
1275#else
1276void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1277#endif
1278
1279
1280/* --------------------------------------------------------------------
1281 *  UART
1282 * -------------------------------------------------------------------- */
1283
1284#if defined(CONFIG_SERIAL_ATMEL)
1285
1286static struct resource dbgu_resources[] = {
1287        [0] = {
1288                .start  = AT91SAM9263_BASE_DBGU,
1289                .end    = AT91SAM9263_BASE_DBGU + SZ_512 - 1,
1290                .flags  = IORESOURCE_MEM,
1291        },
1292        [1] = {
1293                .start  = NR_IRQS_LEGACY + AT91_ID_SYS,
1294                .end    = NR_IRQS_LEGACY + AT91_ID_SYS,
1295                .flags  = IORESOURCE_IRQ,
1296        },
1297};
1298
1299static struct atmel_uart_data dbgu_data = {
1300        .use_dma_tx     = 0,
1301        .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
1302};
1303
1304static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1305
1306static struct platform_device at91sam9263_dbgu_device = {
1307        .name           = "atmel_usart",
1308        .id             = 0,
1309        .dev            = {
1310                                .dma_mask               = &dbgu_dmamask,
1311                                .coherent_dma_mask      = DMA_BIT_MASK(32),
1312                                .platform_data          = &dbgu_data,
1313        },
1314        .resource       = dbgu_resources,
1315        .num_resources  = ARRAY_SIZE(dbgu_resources),
1316};
1317
1318static inline void configure_dbgu_pins(void)
1319{
1320        at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
1321        at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
1322}
1323
1324static struct resource uart0_resources[] = {
1325        [0] = {
1326                .start  = AT91SAM9263_BASE_US0,
1327                .end    = AT91SAM9263_BASE_US0 + SZ_16K - 1,
1328                .flags  = IORESOURCE_MEM,
1329        },
1330        [1] = {
1331                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_US0,
1332                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_US0,
1333                .flags  = IORESOURCE_IRQ,
1334        },
1335};
1336
1337static struct atmel_uart_data uart0_data = {
1338        .use_dma_tx     = 1,
1339        .use_dma_rx     = 1,
1340};
1341
1342static u64 uart0_dmamask = DMA_BIT_MASK(32);
1343
1344static struct platform_device at91sam9263_uart0_device = {
1345        .name           = "atmel_usart",
1346        .id             = 1,
1347        .dev            = {
1348                                .dma_mask               = &uart0_dmamask,
1349                                .coherent_dma_mask      = DMA_BIT_MASK(32),
1350                                .platform_data          = &uart0_data,
1351        },
1352        .resource       = uart0_resources,
1353        .num_resources  = ARRAY_SIZE(uart0_resources),
1354};
1355
1356static inline void configure_usart0_pins(unsigned pins)
1357{
1358        at91_set_A_periph(AT91_PIN_PA26, 1);            /* TXD0 */
1359        at91_set_A_periph(AT91_PIN_PA27, 0);            /* RXD0 */
1360
1361        if (pins & ATMEL_UART_RTS)
1362                at91_set_A_periph(AT91_PIN_PA28, 0);    /* RTS0 */
1363        if (pins & ATMEL_UART_CTS)
1364                at91_set_A_periph(AT91_PIN_PA29, 0);    /* CTS0 */
1365}
1366
1367static struct resource uart1_resources[] = {
1368        [0] = {
1369                .start  = AT91SAM9263_BASE_US1,
1370                .end    = AT91SAM9263_BASE_US1 + SZ_16K - 1,
1371                .flags  = IORESOURCE_MEM,
1372        },
1373        [1] = {
1374                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_US1,
1375                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_US1,
1376                .flags  = IORESOURCE_IRQ,
1377        },
1378};
1379
1380static struct atmel_uart_data uart1_data = {
1381        .use_dma_tx     = 1,
1382        .use_dma_rx     = 1,
1383};
1384
1385static u64 uart1_dmamask = DMA_BIT_MASK(32);
1386
1387static struct platform_device at91sam9263_uart1_device = {
1388        .name           = "atmel_usart",
1389        .id             = 2,
1390        .dev            = {
1391                                .dma_mask               = &uart1_dmamask,
1392                                .coherent_dma_mask      = DMA_BIT_MASK(32),
1393                                .platform_data          = &uart1_data,
1394        },
1395        .resource       = uart1_resources,
1396        .num_resources  = ARRAY_SIZE(uart1_resources),
1397};
1398
1399static inline void configure_usart1_pins(unsigned pins)
1400{
1401        at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
1402        at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
1403
1404        if (pins & ATMEL_UART_RTS)
1405                at91_set_B_periph(AT91_PIN_PD7, 0);     /* RTS1 */
1406        if (pins & ATMEL_UART_CTS)
1407                at91_set_B_periph(AT91_PIN_PD8, 0);     /* CTS1 */
1408}
1409
1410static struct resource uart2_resources[] = {
1411        [0] = {
1412                .start  = AT91SAM9263_BASE_US2,
1413                .end    = AT91SAM9263_BASE_US2 + SZ_16K - 1,
1414                .flags  = IORESOURCE_MEM,
1415        },
1416        [1] = {
1417                .start  = NR_IRQS_LEGACY + AT91SAM9263_ID_US2,
1418                .end    = NR_IRQS_LEGACY + AT91SAM9263_ID_US2,
1419                .flags  = IORESOURCE_IRQ,
1420        },
1421};
1422
1423static struct atmel_uart_data uart2_data = {
1424        .use_dma_tx     = 1,
1425        .use_dma_rx     = 1,
1426};
1427
1428static u64 uart2_dmamask = DMA_BIT_MASK(32);
1429
1430static struct platform_device at91sam9263_uart2_device = {
1431        .name           = "atmel_usart",
1432        .id             = 3,
1433        .dev            = {
1434                                .dma_mask               = &uart2_dmamask,
1435                                .coherent_dma_mask      = DMA_BIT_MASK(32),
1436                                .platform_data          = &uart2_data,
1437        },
1438        .resource       = uart2_resources,
1439        .num_resources  = ARRAY_SIZE(uart2_resources),
1440};
1441
1442static inline void configure_usart2_pins(unsigned pins)
1443{
1444        at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
1445        at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
1446
1447        if (pins & ATMEL_UART_RTS)
1448                at91_set_B_periph(AT91_PIN_PD5, 0);     /* RTS2 */
1449        if (pins & ATMEL_UART_CTS)
1450                at91_set_B_periph(AT91_PIN_PD6, 0);     /* CTS2 */
1451}
1452
1453static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1454
1455void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1456{
1457        struct platform_device *pdev;
1458        struct atmel_uart_data *pdata;
1459
1460        switch (id) {
1461                case 0:         /* DBGU */
1462                        pdev = &at91sam9263_dbgu_device;
1463                        configure_dbgu_pins();
1464                        break;
1465                case AT91SAM9263_ID_US0:
1466                        pdev = &at91sam9263_uart0_device;
1467                        configure_usart0_pins(pins);
1468                        break;
1469                case AT91SAM9263_ID_US1:
1470                        pdev = &at91sam9263_uart1_device;
1471                        configure_usart1_pins(pins);
1472                        break;
1473                case AT91SAM9263_ID_US2:
1474                        pdev = &at91sam9263_uart2_device;
1475                        configure_usart2_pins(pins);
1476                        break;
1477                default:
1478                        return;
1479        }
1480        pdata = pdev->dev.platform_data;
1481        pdata->num = portnr;            /* update to mapped ID */
1482
1483        if (portnr < ATMEL_MAX_UART)
1484                at91_uarts[portnr] = pdev;
1485}
1486
1487void __init at91_add_device_serial(void)
1488{
1489        int i;
1490
1491        for (i = 0; i < ATMEL_MAX_UART; i++) {
1492                if (at91_uarts[i])
1493                        platform_device_register(at91_uarts[i]);
1494        }
1495}
1496#else
1497void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1498void __init at91_add_device_serial(void) {}
1499#endif
1500
1501
1502/* -------------------------------------------------------------------- */
1503/*
1504 * These devices are always present and don't need any board-specific
1505 * setup.
1506 */
1507static int __init at91_add_standard_devices(void)
1508{
1509        if (of_have_populated_dt())
1510                return 0;
1511
1512        at91_add_device_rtt();
1513        at91_add_device_watchdog();
1514        at91_add_device_tc();
1515        return 0;
1516}
1517
1518arch_initcall(at91_add_standard_devices);
1519