arch/arm/mach-at91/at91sam9g45_devices.c

   1 /*
   2  *  On-Chip devices setup code for the AT91SAM9G45 family
   3  *
   4  *  Copyright (C) 2009 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/clk.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/i2c-gpio.h>
  20 #include <linux/atmel-mci.h>
  21 #include <linux/platform_data/atmel-aes.h>
  22
  23 #include <linux/platform_data/at91_adc.h>
  24
  25 #include <linux/fb.h>
  26 #include <video/atmel_lcdc.h>
  27
  28 #include <mach/at91_adc.h>
  29 #include <mach/board.h>
  30 #include <mach/at91sam9g45.h>
  31 #include <mach/at91sam9g45_matrix.h>
  32 #include <mach/at91_matrix.h>
  33 #include <mach/at91sam9_smc.h>
  34 #include <mach/at_hdmac.h>
  35 #include <mach/atmel-mci.h>
  36
  37 #include <media/atmel-isi.h>
  38
  39 #include "generic.h"
  40 #include "clock.h"
  41
  42
  43 /* --------------------------------------------------------------------
  44  *  HDMAC - AHB DMA Controller
  45  * -------------------------------------------------------------------- */
  46
  47 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
  48 static u64 hdmac_dmamask = DMA_BIT_MASK(32);
  49
  50 static struct resource hdmac_resources[] = {
  51         [0] = {
  52                 .start  = AT91SAM9G45_BASE_DMA,
  53                 .end    = AT91SAM9G45_BASE_DMA + SZ_512 - 1,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [1] = {
  57                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_DMA,
  58                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_DMA,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct platform_device at_hdmac_device = {
  64         .name           = "at91sam9g45_dma",
  65         .id             = -1,
  66         .dev            = {
  67                                 .dma_mask               = &hdmac_dmamask,
  68                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
  69         },
  70         .resource       = hdmac_resources,
  71         .num_resources  = ARRAY_SIZE(hdmac_resources),
  72 };
  73
  74 void __init at91_add_device_hdmac(void)
  75 {
  76         platform_device_register(&at_hdmac_device);
  77 }
  78 #else
  79 void __init at91_add_device_hdmac(void) {}
  80 #endif
  81
  82
  83 /* --------------------------------------------------------------------
  84  *  USB Host (OHCI)
  85  * -------------------------------------------------------------------- */
  86
  87 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  88 static u64 ohci_dmamask = DMA_BIT_MASK(32);
  89 static struct at91_usbh_data usbh_ohci_data;
  90
  91 static struct resource usbh_ohci_resources[] = {
  92         [0] = {
  93                 .start  = AT91SAM9G45_OHCI_BASE,
  94                 .end    = AT91SAM9G45_OHCI_BASE + SZ_1M - 1,
  95                 .flags  = IORESOURCE_MEM,
  96         },
  97         [1] = {
  98                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_UHPHS,
  99                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_UHPHS,
 100                 .flags  = IORESOURCE_IRQ,
 101         },
 102 };
 103
 104 static struct platform_device at91_usbh_ohci_device = {
 105         .name           = "at91_ohci",
 106         .id             = -1,
 107         .dev            = {
 108                                 .dma_mask               = &ohci_dmamask,
 109                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 110                                 .platform_data          = &usbh_ohci_data,
 111         },
 112         .resource       = usbh_ohci_resources,
 113         .num_resources  = ARRAY_SIZE(usbh_ohci_resources),
 114 };
 115
 116 void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
 117 {
 118         int i;
 119
 120         if (!data)
 121                 return;
 122
 123         /* Enable VBus control for UHP ports */
 124         for (i = 0; i < data->ports; i++) {
 125                 if (gpio_is_valid(data->vbus_pin[i]))
 126                         at91_set_gpio_output(data->vbus_pin[i],
 127                                              data->vbus_pin_active_low[i]);
 128         }
 129
 130         /* Enable overcurrent notification */
 131         for (i = 0; i < data->ports; i++) {
 132                 if (gpio_is_valid(data->overcurrent_pin[i]))
 133                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
 134         }
 135
 136         usbh_ohci_data = *data;
 137         platform_device_register(&at91_usbh_ohci_device);
 138 }
 139 #else
 140 void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {}
 141 #endif
 142
 143
 144 /* --------------------------------------------------------------------
 145  *  USB Host HS (EHCI)
 146  *  Needs an OHCI host for low and full speed management
 147  * -------------------------------------------------------------------- */
 148
 149 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
 150 static u64 ehci_dmamask = DMA_BIT_MASK(32);
 151 static struct at91_usbh_data usbh_ehci_data;
 152
 153 static struct resource usbh_ehci_resources[] = {
 154         [0] = {
 155                 .start  = AT91SAM9G45_EHCI_BASE,
 156                 .end    = AT91SAM9G45_EHCI_BASE + SZ_1M - 1,
 157                 .flags  = IORESOURCE_MEM,
 158         },
 159         [1] = {
 160                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_UHPHS,
 161                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_UHPHS,
 162                 .flags  = IORESOURCE_IRQ,
 163         },
 164 };
 165
 166 static struct platform_device at91_usbh_ehci_device = {
 167         .name           = "atmel-ehci",
 168         .id             = -1,
 169         .dev            = {
 170                                 .dma_mask               = &ehci_dmamask,
 171                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 172                                 .platform_data          = &usbh_ehci_data,
 173         },
 174         .resource       = usbh_ehci_resources,
 175         .num_resources  = ARRAY_SIZE(usbh_ehci_resources),
 176 };
 177
 178 void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
 179 {
 180         int i;
 181
 182         if (!data)
 183                 return;
 184
 185         /* Enable VBus control for UHP ports */
 186         for (i = 0; i < data->ports; i++) {
 187                 if (gpio_is_valid(data->vbus_pin[i]))
 188                         at91_set_gpio_output(data->vbus_pin[i],
 189                                              data->vbus_pin_active_low[i]);
 190         }
 191
 192         usbh_ehci_data = *data;
 193         platform_device_register(&at91_usbh_ehci_device);
 194 }
 195 #else
 196 void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {}
 197 #endif
 198
 199
 200 /* --------------------------------------------------------------------
 201  *  USB HS Device (Gadget)
 202  * -------------------------------------------------------------------- */
 203
 204 #if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
 205 static struct resource usba_udc_resources[] = {
 206         [0] = {
 207                 .start  = AT91SAM9G45_UDPHS_FIFO,
 208                 .end    = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1,
 209                 .flags  = IORESOURCE_MEM,
 210         },
 211         [1] = {
 212                 .start  = AT91SAM9G45_BASE_UDPHS,
 213                 .end    = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216         [2] = {
 217                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_UDPHS,
 218                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_UDPHS,
 219                 .flags  = IORESOURCE_IRQ,
 220         },
 221 };
 222
 223 #define EP(nam, idx, maxpkt, maxbk, dma, isoc)                  \
 224         [idx] = {                                               \
 225                 .name           = nam,                          \
 226                 .index          = idx,                          \
 227                 .fifo_size      = maxpkt,                       \
 228                 .nr_banks       = maxbk,                        \
 229                 .can_dma        = dma,                          \
 230                 .can_isoc       = isoc,                         \
 231         }
 232
 233 static struct usba_ep_data usba_udc_ep[] __initdata = {
 234         EP("ep0", 0, 64, 1, 0, 0),
 235         EP("ep1", 1, 1024, 2, 1, 1),
 236         EP("ep2", 2, 1024, 2, 1, 1),
 237         EP("ep3", 3, 1024, 3, 1, 0),
 238         EP("ep4", 4, 1024, 3, 1, 0),
 239         EP("ep5", 5, 1024, 3, 1, 1),
 240         EP("ep6", 6, 1024, 3, 1, 1),
 241 };
 242
 243 #undef EP
 244
 245 /*
 246  * pdata doesn't have room for any endpoints, so we need to
 247  * append room for the ones we need right after it.
 248  */
 249 static struct {
 250         struct usba_platform_data pdata;
 251         struct usba_ep_data ep[7];
 252 } usba_udc_data;
 253
 254 static struct platform_device at91_usba_udc_device = {
 255         .name           = "atmel_usba_udc",
 256         .id             = -1,
 257         .dev            = {
 258                                 .platform_data  = &usba_udc_data.pdata,
 259         },
 260         .resource       = usba_udc_resources,
 261         .num_resources  = ARRAY_SIZE(usba_udc_resources),
 262 };
 263
 264 void __init at91_add_device_usba(struct usba_platform_data *data)
 265 {
 266         usba_udc_data.pdata.vbus_pin = -EINVAL;
 267         usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
 268         memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));
 269
 270         if (data && gpio_is_valid(data->vbus_pin)) {
 271                 at91_set_gpio_input(data->vbus_pin, 0);
 272                 at91_set_deglitch(data->vbus_pin, 1);
 273                 usba_udc_data.pdata.vbus_pin = data->vbus_pin;
 274         }
 275
 276         /* Pullup pin is handled internally by USB device peripheral */
 277
 278         platform_device_register(&at91_usba_udc_device);
 279 }
 280 #else
 281 void __init at91_add_device_usba(struct usba_platform_data *data) {}
 282 #endif
 283
 284
 285 /* --------------------------------------------------------------------
 286  *  Ethernet
 287  * -------------------------------------------------------------------- */
 288
 289 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
 290 static u64 eth_dmamask = DMA_BIT_MASK(32);
 291 static struct macb_platform_data eth_data;
 292
 293 static struct resource eth_resources[] = {
 294         [0] = {
 295                 .start  = AT91SAM9G45_BASE_EMAC,
 296                 .end    = AT91SAM9G45_BASE_EMAC + SZ_16K - 1,
 297                 .flags  = IORESOURCE_MEM,
 298         },
 299         [1] = {
 300                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_EMAC,
 301                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_EMAC,
 302                 .flags  = IORESOURCE_IRQ,
 303         },
 304 };
 305
 306 static struct platform_device at91sam9g45_eth_device = {
 307         .name           = "macb",
 308         .id             = -1,
 309         .dev            = {
 310                                 .dma_mask               = &eth_dmamask,
 311                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 312                                 .platform_data          = &eth_data,
 313         },
 314         .resource       = eth_resources,
 315         .num_resources  = ARRAY_SIZE(eth_resources),
 316 };
 317
 318 void __init at91_add_device_eth(struct macb_platform_data *data)
 319 {
 320         if (!data)
 321                 return;
 322
 323         if (gpio_is_valid(data->phy_irq_pin)) {
 324                 at91_set_gpio_input(data->phy_irq_pin, 0);
 325                 at91_set_deglitch(data->phy_irq_pin, 1);
 326         }
 327
 328         /* Pins used for MII and RMII */
 329         at91_set_A_periph(AT91_PIN_PA17, 0);    /* ETXCK_EREFCK */
 330         at91_set_A_periph(AT91_PIN_PA15, 0);    /* ERXDV */
 331         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ERX0 */
 332         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ERX1 */
 333         at91_set_A_periph(AT91_PIN_PA16, 0);    /* ERXER */
 334         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ETXEN */
 335         at91_set_A_periph(AT91_PIN_PA10, 0);    /* ETX0 */
 336         at91_set_A_periph(AT91_PIN_PA11, 0);    /* ETX1 */
 337         at91_set_A_periph(AT91_PIN_PA19, 0);    /* EMDIO */
 338         at91_set_A_periph(AT91_PIN_PA18, 0);    /* EMDC */
 339
 340         if (!data->is_rmii) {
 341                 at91_set_B_periph(AT91_PIN_PA29, 0);    /* ECRS */
 342                 at91_set_B_periph(AT91_PIN_PA30, 0);    /* ECOL */
 343                 at91_set_B_periph(AT91_PIN_PA8,  0);    /* ERX2 */
 344                 at91_set_B_periph(AT91_PIN_PA9,  0);    /* ERX3 */
 345                 at91_set_B_periph(AT91_PIN_PA28, 0);    /* ERXCK */
 346                 at91_set_B_periph(AT91_PIN_PA6,  0);    /* ETX2 */
 347                 at91_set_B_periph(AT91_PIN_PA7,  0);    /* ETX3 */
 348                 at91_set_B_periph(AT91_PIN_PA27, 0);    /* ETXER */
 349         }
 350
 351         eth_data = *data;
 352         platform_device_register(&at91sam9g45_eth_device);
 353 }
 354 #else
 355 void __init at91_add_device_eth(struct macb_platform_data *data) {}
 356 #endif
 357
 358
 359 /* --------------------------------------------------------------------
 360  *  MMC / SD
 361  * -------------------------------------------------------------------- */
 362
 363 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
 364 static u64 mmc_dmamask = DMA_BIT_MASK(32);
 365 static struct mci_platform_data mmc0_data, mmc1_data;
 366
 367 static struct resource mmc0_resources[] = {
 368         [0] = {
 369                 .start  = AT91SAM9G45_BASE_MCI0,
 370                 .end    = AT91SAM9G45_BASE_MCI0 + SZ_16K - 1,
 371                 .flags  = IORESOURCE_MEM,
 372         },
 373         [1] = {
 374                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_MCI0,
 375                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_MCI0,
 376                 .flags  = IORESOURCE_IRQ,
 377         },
 378 };
 379
 380 static struct platform_device at91sam9g45_mmc0_device = {
 381         .name           = "atmel_mci",
 382         .id             = 0,
 383         .dev            = {
 384                                 .dma_mask               = &mmc_dmamask,
 385                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 386                                 .platform_data          = &mmc0_data,
 387         },
 388         .resource       = mmc0_resources,
 389         .num_resources  = ARRAY_SIZE(mmc0_resources),
 390 };
 391
 392 static struct resource mmc1_resources[] = {
 393         [0] = {
 394                 .start  = AT91SAM9G45_BASE_MCI1,
 395                 .end    = AT91SAM9G45_BASE_MCI1 + SZ_16K - 1,
 396                 .flags  = IORESOURCE_MEM,
 397         },
 398         [1] = {
 399                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_MCI1,
 400                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_MCI1,
 401                 .flags  = IORESOURCE_IRQ,
 402         },
 403 };
 404
 405 static struct platform_device at91sam9g45_mmc1_device = {
 406         .name           = "atmel_mci",
 407         .id             = 1,
 408         .dev            = {
 409                                 .dma_mask               = &mmc_dmamask,
 410                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 411                                 .platform_data          = &mmc1_data,
 412         },
 413         .resource       = mmc1_resources,
 414         .num_resources  = ARRAY_SIZE(mmc1_resources),
 415 };
 416
 417 /* Consider only one slot : slot 0 */
 418 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
 419 {
 420
 421         if (!data)
 422                 return;
 423
 424         /* Must have at least one usable slot */
 425         if (!data->slot[0].bus_width)
 426                 return;
 427
 428 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
 429         {
 430         struct at_dma_slave     *atslave;
 431         struct mci_dma_data     *alt_atslave;
 432
 433         alt_atslave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
 434         atslave = &alt_atslave->sdata;
 435
 436         /* DMA slave channel configuration */
 437         atslave->dma_dev = &at_hdmac_device.dev;
 438         atslave->cfg = ATC_FIFOCFG_HALFFIFO
 439                         | ATC_SRC_H2SEL_HW | ATC_DST_H2SEL_HW;
 440         if (mmc_id == 0)        /* MCI0 */
 441                 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI0)
 442                               | ATC_DST_PER(AT_DMA_ID_MCI0);
 443
 444         else                    /* MCI1 */
 445                 atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI1)
 446                               | ATC_DST_PER(AT_DMA_ID_MCI1);
 447
 448         data->dma_slave = alt_atslave;
 449         }
 450 #endif
 451
 452
 453         /* input/irq */
 454         if (gpio_is_valid(data->slot[0].detect_pin)) {
 455                 at91_set_gpio_input(data->slot[0].detect_pin, 1);
 456                 at91_set_deglitch(data->slot[0].detect_pin, 1);
 457         }
 458         if (gpio_is_valid(data->slot[0].wp_pin))
 459                 at91_set_gpio_input(data->slot[0].wp_pin, 1);
 460
 461         if (mmc_id == 0) {              /* MCI0 */
 462
 463                 /* CLK */
 464                 at91_set_A_periph(AT91_PIN_PA0, 0);
 465
 466                 /* CMD */
 467                 at91_set_A_periph(AT91_PIN_PA1, 1);
 468
 469                 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
 470                 at91_set_A_periph(AT91_PIN_PA2, 1);
 471                 if (data->slot[0].bus_width == 4) {
 472                         at91_set_A_periph(AT91_PIN_PA3, 1);
 473                         at91_set_A_periph(AT91_PIN_PA4, 1);
 474                         at91_set_A_periph(AT91_PIN_PA5, 1);
 475                         if (data->slot[0].bus_width == 8) {
 476                                 at91_set_A_periph(AT91_PIN_PA6, 1);
 477                                 at91_set_A_periph(AT91_PIN_PA7, 1);
 478                                 at91_set_A_periph(AT91_PIN_PA8, 1);
 479                                 at91_set_A_periph(AT91_PIN_PA9, 1);
 480                         }
 481                 }
 482
 483                 mmc0_data = *data;
 484                 platform_device_register(&at91sam9g45_mmc0_device);
 485
 486         } else {                        /* MCI1 */
 487
 488                 /* CLK */
 489                 at91_set_A_periph(AT91_PIN_PA31, 0);
 490
 491                 /* CMD */
 492                 at91_set_A_periph(AT91_PIN_PA22, 1);
 493
 494                 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
 495                 at91_set_A_periph(AT91_PIN_PA23, 1);
 496                 if (data->slot[0].bus_width == 4) {
 497                         at91_set_A_periph(AT91_PIN_PA24, 1);
 498                         at91_set_A_periph(AT91_PIN_PA25, 1);
 499                         at91_set_A_periph(AT91_PIN_PA26, 1);
 500                         if (data->slot[0].bus_width == 8) {
 501                                 at91_set_A_periph(AT91_PIN_PA27, 1);
 502                                 at91_set_A_periph(AT91_PIN_PA28, 1);
 503                                 at91_set_A_periph(AT91_PIN_PA29, 1);
 504                                 at91_set_A_periph(AT91_PIN_PA30, 1);
 505                         }
 506                 }
 507
 508                 mmc1_data = *data;
 509                 platform_device_register(&at91sam9g45_mmc1_device);
 510
 511         }
 512 }
 513 #else
 514 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
 515 #endif
 516
 517
 518 /* --------------------------------------------------------------------
 519  *  NAND / SmartMedia
 520  * -------------------------------------------------------------------- */
 521
 522 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
 523 static struct atmel_nand_data nand_data;
 524
 525 #define NAND_BASE       AT91_CHIPSELECT_3
 526
 527 static struct resource nand_resources[] = {
 528         [0] = {
 529                 .start  = NAND_BASE,
 530                 .end    = NAND_BASE + SZ_256M - 1,
 531                 .flags  = IORESOURCE_MEM,
 532         },
 533         [1] = {
 534                 .start  = AT91SAM9G45_BASE_ECC,
 535                 .end    = AT91SAM9G45_BASE_ECC + SZ_512 - 1,
 536                 .flags  = IORESOURCE_MEM,
 537         }
 538 };
 539
 540 static struct platform_device at91sam9g45_nand_device = {
 541         .name           = "atmel_nand",
 542         .id             = -1,
 543         .dev            = {
 544                                 .platform_data  = &nand_data,
 545         },
 546         .resource       = nand_resources,
 547         .num_resources  = ARRAY_SIZE(nand_resources),
 548 };
 549
 550 void __init at91_add_device_nand(struct atmel_nand_data *data)
 551 {
 552         unsigned long csa;
 553
 554         if (!data)
 555                 return;
 556
 557         csa = at91_matrix_read(AT91_MATRIX_EBICSA);
 558         at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA);
 559
 560         /* enable pin */
 561         if (gpio_is_valid(data->enable_pin))
 562                 at91_set_gpio_output(data->enable_pin, 1);
 563
 564         /* ready/busy pin */
 565         if (gpio_is_valid(data->rdy_pin))
 566                 at91_set_gpio_input(data->rdy_pin, 1);
 567
 568         /* card detect pin */
 569         if (gpio_is_valid(data->det_pin))
 570                 at91_set_gpio_input(data->det_pin, 1);
 571
 572         nand_data = *data;
 573         platform_device_register(&at91sam9g45_nand_device);
 574 }
 575 #else
 576 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
 577 #endif
 578
 579
 580 /* --------------------------------------------------------------------
 581  *  TWI (i2c)
 582  * -------------------------------------------------------------------- */
 583
 584 /*
 585  * Prefer the GPIO code since the TWI controller isn't robust
 586  * (gets overruns and underruns under load) and can only issue
 587  * repeated STARTs in one scenario (the driver doesn't yet handle them).
 588  */
 589 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 590 static struct i2c_gpio_platform_data pdata_i2c0 = {
 591         .sda_pin                = AT91_PIN_PA20,
 592         .sda_is_open_drain      = 1,
 593         .scl_pin                = AT91_PIN_PA21,
 594         .scl_is_open_drain      = 1,
 595         .udelay                 = 5,            /* ~100 kHz */
 596 };
 597
 598 static struct platform_device at91sam9g45_twi0_device = {
 599         .name                   = "i2c-gpio",
 600         .id                     = 0,
 601         .dev.platform_data      = &pdata_i2c0,
 602 };
 603
 604 static struct i2c_gpio_platform_data pdata_i2c1 = {
 605         .sda_pin                = AT91_PIN_PB10,
 606         .sda_is_open_drain      = 1,
 607         .scl_pin                = AT91_PIN_PB11,
 608         .scl_is_open_drain      = 1,
 609         .udelay                 = 5,            /* ~100 kHz */
 610 };
 611
 612 static struct platform_device at91sam9g45_twi1_device = {
 613         .name                   = "i2c-gpio",
 614         .id                     = 1,
 615         .dev.platform_data      = &pdata_i2c1,
 616 };
 617
 618 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices)
 619 {
 620         i2c_register_board_info(i2c_id, devices, nr_devices);
 621
 622         if (i2c_id == 0) {
 623                 at91_set_GPIO_periph(AT91_PIN_PA20, 1);         /* TWD (SDA) */
 624                 at91_set_multi_drive(AT91_PIN_PA20, 1);
 625
 626                 at91_set_GPIO_periph(AT91_PIN_PA21, 1);         /* TWCK (SCL) */
 627                 at91_set_multi_drive(AT91_PIN_PA21, 1);
 628
 629                 platform_device_register(&at91sam9g45_twi0_device);
 630         } else {
 631                 at91_set_GPIO_periph(AT91_PIN_PB10, 1);         /* TWD (SDA) */
 632                 at91_set_multi_drive(AT91_PIN_PB10, 1);
 633
 634                 at91_set_GPIO_periph(AT91_PIN_PB11, 1);         /* TWCK (SCL) */
 635                 at91_set_multi_drive(AT91_PIN_PB11, 1);
 636
 637                 platform_device_register(&at91sam9g45_twi1_device);
 638         }
 639 }
 640
 641 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 642 static struct resource twi0_resources[] = {
 643         [0] = {
 644                 .start  = AT91SAM9G45_BASE_TWI0,
 645                 .end    = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1,
 646                 .flags  = IORESOURCE_MEM,
 647         },
 648         [1] = {
 649                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TWI0,
 650                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TWI0,
 651                 .flags  = IORESOURCE_IRQ,
 652         },
 653 };
 654
 655 static struct platform_device at91sam9g45_twi0_device = {
 656         .name           = "at91_i2c",
 657         .id             = 0,
 658         .resource       = twi0_resources,
 659         .num_resources  = ARRAY_SIZE(twi0_resources),
 660 };
 661
 662 static struct resource twi1_resources[] = {
 663         [0] = {
 664                 .start  = AT91SAM9G45_BASE_TWI1,
 665                 .end    = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1,
 666                 .flags  = IORESOURCE_MEM,
 667         },
 668         [1] = {
 669                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TWI1,
 670                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TWI1,
 671                 .flags  = IORESOURCE_IRQ,
 672         },
 673 };
 674
 675 static struct platform_device at91sam9g45_twi1_device = {
 676         .name           = "at91_i2c",
 677         .id             = 1,
 678         .resource       = twi1_resources,
 679         .num_resources  = ARRAY_SIZE(twi1_resources),
 680 };
 681
 682 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices)
 683 {
 684         i2c_register_board_info(i2c_id, devices, nr_devices);
 685
 686         /* pins used for TWI interface */
 687         if (i2c_id == 0) {
 688                 at91_set_A_periph(AT91_PIN_PA20, 0);            /* TWD */
 689                 at91_set_multi_drive(AT91_PIN_PA20, 1);
 690
 691                 at91_set_A_periph(AT91_PIN_PA21, 0);            /* TWCK */
 692                 at91_set_multi_drive(AT91_PIN_PA21, 1);
 693
 694                 platform_device_register(&at91sam9g45_twi0_device);
 695         } else {
 696                 at91_set_A_periph(AT91_PIN_PB10, 0);            /* TWD */
 697                 at91_set_multi_drive(AT91_PIN_PB10, 1);
 698
 699                 at91_set_A_periph(AT91_PIN_PB11, 0);            /* TWCK */
 700                 at91_set_multi_drive(AT91_PIN_PB11, 1);
 701
 702                 platform_device_register(&at91sam9g45_twi1_device);
 703         }
 704 }
 705 #else
 706 void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {}
 707 #endif
 708
 709
 710 /* --------------------------------------------------------------------
 711  *  SPI
 712  * -------------------------------------------------------------------- */
 713
 714 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
 715 static u64 spi_dmamask = DMA_BIT_MASK(32);
 716
 717 static struct resource spi0_resources[] = {
 718         [0] = {
 719                 .start  = AT91SAM9G45_BASE_SPI0,
 720                 .end    = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1,
 721                 .flags  = IORESOURCE_MEM,
 722         },
 723         [1] = {
 724                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_SPI0,
 725                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_SPI0,
 726                 .flags  = IORESOURCE_IRQ,
 727         },
 728 };
 729
 730 static struct platform_device at91sam9g45_spi0_device = {
 731         .name           = "atmel_spi",
 732         .id             = 0,
 733         .dev            = {
 734                                 .dma_mask               = &spi_dmamask,
 735                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 736         },
 737         .resource       = spi0_resources,
 738         .num_resources  = ARRAY_SIZE(spi0_resources),
 739 };
 740
 741 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 };
 742
 743 static struct resource spi1_resources[] = {
 744         [0] = {
 745                 .start  = AT91SAM9G45_BASE_SPI1,
 746                 .end    = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1,
 747                 .flags  = IORESOURCE_MEM,
 748         },
 749         [1] = {
 750                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_SPI1,
 751                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_SPI1,
 752                 .flags  = IORESOURCE_IRQ,
 753         },
 754 };
 755
 756 static struct platform_device at91sam9g45_spi1_device = {
 757         .name           = "atmel_spi",
 758         .id             = 1,
 759         .dev            = {
 760                                 .dma_mask               = &spi_dmamask,
 761                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 762         },
 763         .resource       = spi1_resources,
 764         .num_resources  = ARRAY_SIZE(spi1_resources),
 765 };
 766
 767 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 };
 768
 769 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 770 {
 771         int i;
 772         unsigned long cs_pin;
 773         short enable_spi0 = 0;
 774         short enable_spi1 = 0;
 775
 776         /* Choose SPI chip-selects */
 777         for (i = 0; i < nr_devices; i++) {
 778                 if (devices[i].controller_data)
 779                         cs_pin = (unsigned long) devices[i].controller_data;
 780                 else if (devices[i].bus_num == 0)
 781                         cs_pin = spi0_standard_cs[devices[i].chip_select];
 782                 else
 783                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 784
 785                 if (!gpio_is_valid(cs_pin))
 786                         continue;
 787
 788                 if (devices[i].bus_num == 0)
 789                         enable_spi0 = 1;
 790                 else
 791                         enable_spi1 = 1;
 792
 793                 /* enable chip-select pin */
 794                 at91_set_gpio_output(cs_pin, 1);
 795
 796                 /* pass chip-select pin to driver */
 797                 devices[i].controller_data = (void *) cs_pin;
 798         }
 799
 800         spi_register_board_info(devices, nr_devices);
 801
 802         /* Configure SPI bus(es) */
 803         if (enable_spi0) {
 804                 at91_set_A_periph(AT91_PIN_PB0, 0);     /* SPI0_MISO */
 805                 at91_set_A_periph(AT91_PIN_PB1, 0);     /* SPI0_MOSI */
 806                 at91_set_A_periph(AT91_PIN_PB2, 0);     /* SPI0_SPCK */
 807
 808                 platform_device_register(&at91sam9g45_spi0_device);
 809         }
 810         if (enable_spi1) {
 811                 at91_set_A_periph(AT91_PIN_PB14, 0);    /* SPI1_MISO */
 812                 at91_set_A_periph(AT91_PIN_PB15, 0);    /* SPI1_MOSI */
 813                 at91_set_A_periph(AT91_PIN_PB16, 0);    /* SPI1_SPCK */
 814
 815                 platform_device_register(&at91sam9g45_spi1_device);
 816         }
 817 }
 818 #else
 819 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
 820 #endif
 821
 822
 823 /* --------------------------------------------------------------------
 824  *  AC97
 825  * -------------------------------------------------------------------- */
 826
 827 #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
 828 static u64 ac97_dmamask = DMA_BIT_MASK(32);
 829 static struct ac97c_platform_data ac97_data;
 830
 831 static struct resource ac97_resources[] = {
 832         [0] = {
 833                 .start  = AT91SAM9G45_BASE_AC97C,
 834                 .end    = AT91SAM9G45_BASE_AC97C + SZ_16K - 1,
 835                 .flags  = IORESOURCE_MEM,
 836         },
 837         [1] = {
 838                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_AC97C,
 839                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_AC97C,
 840                 .flags  = IORESOURCE_IRQ,
 841         },
 842 };
 843
 844 static struct platform_device at91sam9g45_ac97_device = {
 845         .name           = "atmel_ac97c",
 846         .id             = 0,
 847         .dev            = {
 848                                 .dma_mask               = &ac97_dmamask,
 849                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 850                                 .platform_data          = &ac97_data,
 851         },
 852         .resource       = ac97_resources,
 853         .num_resources  = ARRAY_SIZE(ac97_resources),
 854 };
 855
 856 void __init at91_add_device_ac97(struct ac97c_platform_data *data)
 857 {
 858         if (!data)
 859                 return;
 860
 861         at91_set_A_periph(AT91_PIN_PD8, 0);     /* AC97FS */
 862         at91_set_A_periph(AT91_PIN_PD9, 0);     /* AC97CK */
 863         at91_set_A_periph(AT91_PIN_PD7, 0);     /* AC97TX */
 864         at91_set_A_periph(AT91_PIN_PD6, 0);     /* AC97RX */
 865
 866         /* reset */
 867         if (gpio_is_valid(data->reset_pin))
 868                 at91_set_gpio_output(data->reset_pin, 0);
 869
 870         ac97_data = *data;
 871         platform_device_register(&at91sam9g45_ac97_device);
 872 }
 873 #else
 874 void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
 875 #endif
 876
 877 /* --------------------------------------------------------------------
 878  *  Image Sensor Interface
 879  * -------------------------------------------------------------------- */
 880 #if defined(CONFIG_VIDEO_ATMEL_ISI) || defined(CONFIG_VIDEO_ATMEL_ISI_MODULE)
 881 static u64 isi_dmamask = DMA_BIT_MASK(32);
 882 static struct isi_platform_data isi_data;
 883
 884 struct resource isi_resources[] = {
 885         [0] = {
 886                 .start  = AT91SAM9G45_BASE_ISI,
 887                 .end    = AT91SAM9G45_BASE_ISI + SZ_16K - 1,
 888                 .flags  = IORESOURCE_MEM,
 889         },
 890         [1] = {
 891                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_ISI,
 892                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_ISI,
 893                 .flags  = IORESOURCE_IRQ,
 894         },
 895 };
 896
 897 static struct platform_device at91sam9g45_isi_device = {
 898         .name           = "atmel_isi",
 899         .id             = 0,
 900         .dev            = {
 901                         .dma_mask               = &isi_dmamask,
 902                         .coherent_dma_mask      = DMA_BIT_MASK(32),
 903                         .platform_data          = &isi_data,
 904         },
 905         .resource       = isi_resources,
 906         .num_resources  = ARRAY_SIZE(isi_resources),
 907 };
 908
 909 static struct clk_lookup isi_mck_lookups[] = {
 910         CLKDEV_CON_DEV_ID("isi_mck", "atmel_isi.0", NULL),
 911 };
 912
 913 void __init at91_add_device_isi(struct isi_platform_data *data,
 914                 bool use_pck_as_mck)
 915 {
 916         struct clk *pck;
 917         struct clk *parent;
 918
 919         if (!data)
 920                 return;
 921         isi_data = *data;
 922
 923         at91_set_A_periph(AT91_PIN_PB20, 0);    /* ISI_D0 */
 924         at91_set_A_periph(AT91_PIN_PB21, 0);    /* ISI_D1 */
 925         at91_set_A_periph(AT91_PIN_PB22, 0);    /* ISI_D2 */
 926         at91_set_A_periph(AT91_PIN_PB23, 0);    /* ISI_D3 */
 927         at91_set_A_periph(AT91_PIN_PB24, 0);    /* ISI_D4 */
 928         at91_set_A_periph(AT91_PIN_PB25, 0);    /* ISI_D5 */
 929         at91_set_A_periph(AT91_PIN_PB26, 0);    /* ISI_D6 */
 930         at91_set_A_periph(AT91_PIN_PB27, 0);    /* ISI_D7 */
 931         at91_set_A_periph(AT91_PIN_PB28, 0);    /* ISI_PCK */
 932         at91_set_A_periph(AT91_PIN_PB30, 0);    /* ISI_HSYNC */
 933         at91_set_A_periph(AT91_PIN_PB29, 0);    /* ISI_VSYNC */
 934         at91_set_B_periph(AT91_PIN_PB8, 0);     /* ISI_PD8 */
 935         at91_set_B_periph(AT91_PIN_PB9, 0);     /* ISI_PD9 */
 936         at91_set_B_periph(AT91_PIN_PB10, 0);    /* ISI_PD10 */
 937         at91_set_B_periph(AT91_PIN_PB11, 0);    /* ISI_PD11 */
 938
 939         platform_device_register(&at91sam9g45_isi_device);
 940
 941         if (use_pck_as_mck) {
 942                 at91_set_B_periph(AT91_PIN_PB31, 0);    /* ISI_MCK (PCK1) */
 943
 944                 pck = clk_get(NULL, "pck1");
 945                 parent = clk_get(NULL, "plla");
 946
 947                 BUG_ON(IS_ERR(pck) || IS_ERR(parent));
 948
 949                 if (clk_set_parent(pck, parent)) {
 950                         pr_err("Failed to set PCK's parent\n");
 951                 } else {
 952                         /* Register PCK as ISI_MCK */
 953                         isi_mck_lookups[0].clk = pck;
 954                         clkdev_add_table(isi_mck_lookups,
 955                                         ARRAY_SIZE(isi_mck_lookups));
 956                 }
 957
 958                 clk_put(pck);
 959                 clk_put(parent);
 960         }
 961 }
 962 #else
 963 void __init at91_add_device_isi(struct isi_platform_data *data,
 964                 bool use_pck_as_mck) {}
 965 #endif
 966
 967
 968 /* --------------------------------------------------------------------
 969  *  LCD Controller
 970  * -------------------------------------------------------------------- */
 971
 972 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
 973 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 974 static struct atmel_lcdfb_info lcdc_data;
 975
 976 static struct resource lcdc_resources[] = {
 977         [0] = {
 978                 .start  = AT91SAM9G45_LCDC_BASE,
 979                 .end    = AT91SAM9G45_LCDC_BASE + SZ_4K - 1,
 980                 .flags  = IORESOURCE_MEM,
 981         },
 982         [1] = {
 983                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_LCDC,
 984                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_LCDC,
 985                 .flags  = IORESOURCE_IRQ,
 986         },
 987 };
 988
 989 static struct platform_device at91_lcdc_device = {
 990         .name           = "atmel_lcdfb",
 991         .id             = 0,
 992         .dev            = {
 993                                 .dma_mask               = &lcdc_dmamask,
 994                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 995                                 .platform_data          = &lcdc_data,
 996         },
 997         .resource       = lcdc_resources,
 998         .num_resources  = ARRAY_SIZE(lcdc_resources),
 999 };
1000
1001 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
1002 {
1003         if (!data)
1004                 return;
1005
1006         at91_set_A_periph(AT91_PIN_PE0, 0);     /* LCDDPWR */
1007
1008         at91_set_A_periph(AT91_PIN_PE2, 0);     /* LCDCC */
1009         at91_set_A_periph(AT91_PIN_PE3, 0);     /* LCDVSYNC */
1010         at91_set_A_periph(AT91_PIN_PE4, 0);     /* LCDHSYNC */
1011         at91_set_A_periph(AT91_PIN_PE5, 0);     /* LCDDOTCK */
1012         at91_set_A_periph(AT91_PIN_PE6, 0);     /* LCDDEN */
1013         at91_set_A_periph(AT91_PIN_PE7, 0);     /* LCDD0 */
1014         at91_set_A_periph(AT91_PIN_PE8, 0);     /* LCDD1 */
1015         at91_set_A_periph(AT91_PIN_PE9, 0);     /* LCDD2 */
1016         at91_set_A_periph(AT91_PIN_PE10, 0);    /* LCDD3 */
1017         at91_set_A_periph(AT91_PIN_PE11, 0);    /* LCDD4 */
1018         at91_set_A_periph(AT91_PIN_PE12, 0);    /* LCDD5 */
1019         at91_set_A_periph(AT91_PIN_PE13, 0);    /* LCDD6 */
1020         at91_set_A_periph(AT91_PIN_PE14, 0);    /* LCDD7 */
1021         at91_set_A_periph(AT91_PIN_PE15, 0);    /* LCDD8 */
1022         at91_set_A_periph(AT91_PIN_PE16, 0);    /* LCDD9 */
1023         at91_set_A_periph(AT91_PIN_PE17, 0);    /* LCDD10 */
1024         at91_set_A_periph(AT91_PIN_PE18, 0);    /* LCDD11 */
1025         at91_set_A_periph(AT91_PIN_PE19, 0);    /* LCDD12 */
1026         at91_set_A_periph(AT91_PIN_PE20, 0);    /* LCDD13 */
1027         at91_set_A_periph(AT91_PIN_PE21, 0);    /* LCDD14 */
1028         at91_set_A_periph(AT91_PIN_PE22, 0);    /* LCDD15 */
1029         at91_set_A_periph(AT91_PIN_PE23, 0);    /* LCDD16 */
1030         at91_set_A_periph(AT91_PIN_PE24, 0);    /* LCDD17 */
1031         at91_set_A_periph(AT91_PIN_PE25, 0);    /* LCDD18 */
1032         at91_set_A_periph(AT91_PIN_PE26, 0);    /* LCDD19 */
1033         at91_set_A_periph(AT91_PIN_PE27, 0);    /* LCDD20 */
1034         at91_set_A_periph(AT91_PIN_PE28, 0);    /* LCDD21 */
1035         at91_set_A_periph(AT91_PIN_PE29, 0);    /* LCDD22 */
1036         at91_set_A_periph(AT91_PIN_PE30, 0);    /* LCDD23 */
1037
1038         lcdc_data = *data;
1039         platform_device_register(&at91_lcdc_device);
1040 }
1041 #else
1042 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
1043 #endif
1044
1045
1046 /* --------------------------------------------------------------------
1047  *  Timer/Counter block
1048  * -------------------------------------------------------------------- */
1049
1050 #ifdef CONFIG_ATMEL_TCLIB
1051 static struct resource tcb0_resources[] = {
1052         [0] = {
1053                 .start  = AT91SAM9G45_BASE_TCB0,
1054                 .end    = AT91SAM9G45_BASE_TCB0 + SZ_256 - 1,
1055                 .flags  = IORESOURCE_MEM,
1056         },
1057         [1] = {
1058                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TCB,
1059                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TCB,
1060                 .flags  = IORESOURCE_IRQ,
1061         },
1062 };
1063
1064 static struct platform_device at91sam9g45_tcb0_device = {
1065         .name           = "atmel_tcb",
1066         .id             = 0,
1067         .resource       = tcb0_resources,
1068         .num_resources  = ARRAY_SIZE(tcb0_resources),
1069 };
1070
1071 /* TCB1 begins with TC3 */
1072 static struct resource tcb1_resources[] = {
1073         [0] = {
1074                 .start  = AT91SAM9G45_BASE_TCB1,
1075                 .end    = AT91SAM9G45_BASE_TCB1 + SZ_256 - 1,
1076                 .flags  = IORESOURCE_MEM,
1077         },
1078         [1] = {
1079                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TCB,
1080                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TCB,
1081                 .flags  = IORESOURCE_IRQ,
1082         },
1083 };
1084
1085 static struct platform_device at91sam9g45_tcb1_device = {
1086         .name           = "atmel_tcb",
1087         .id             = 1,
1088         .resource       = tcb1_resources,
1089         .num_resources  = ARRAY_SIZE(tcb1_resources),
1090 };
1091
1092 static void __init at91_add_device_tc(void)
1093 {
1094         platform_device_register(&at91sam9g45_tcb0_device);
1095         platform_device_register(&at91sam9g45_tcb1_device);
1096 }
1097 #else
1098 static void __init at91_add_device_tc(void) { }
1099 #endif
1100
1101
1102 /* --------------------------------------------------------------------
1103  *  RTC
1104  * -------------------------------------------------------------------- */
1105
1106 #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE)
1107 static struct resource rtc_resources[] = {
1108         [0] = {
1109                 .start  = AT91SAM9G45_BASE_RTC,
1110                 .end    = AT91SAM9G45_BASE_RTC + SZ_256 - 1,
1111                 .flags  = IORESOURCE_MEM,
1112         },
1113         [1] = {
1114                 .start  = NR_IRQS_LEGACY + AT91_ID_SYS,
1115                 .end    = NR_IRQS_LEGACY + AT91_ID_SYS,
1116                 .flags  = IORESOURCE_IRQ,
1117         },
1118 };
1119
1120 static struct platform_device at91sam9g45_rtc_device = {
1121         .name           = "at91_rtc",
1122         .id             = -1,
1123         .resource       = rtc_resources,
1124         .num_resources  = ARRAY_SIZE(rtc_resources),
1125 };
1126
1127 static void __init at91_add_device_rtc(void)
1128 {
1129         platform_device_register(&at91sam9g45_rtc_device);
1130 }
1131 #else
1132 static void __init at91_add_device_rtc(void) {}
1133 #endif
1134
1135
1136 /* --------------------------------------------------------------------
1137  *  Touchscreen
1138  * -------------------------------------------------------------------- */
1139
1140 #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
1141 static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
1142 static struct at91_tsadcc_data tsadcc_data;
1143
1144 static struct resource tsadcc_resources[] = {
1145         [0] = {
1146                 .start  = AT91SAM9G45_BASE_TSC,
1147                 .end    = AT91SAM9G45_BASE_TSC + SZ_16K - 1,
1148                 .flags  = IORESOURCE_MEM,
1149         },
1150         [1] = {
1151                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC,
1152                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC,
1153                 .flags  = IORESOURCE_IRQ,
1154         }
1155 };
1156
1157 static struct platform_device at91sam9g45_tsadcc_device = {
1158         .name           = "atmel_tsadcc",
1159         .id             = -1,
1160         .dev            = {
1161                                 .dma_mask               = &tsadcc_dmamask,
1162                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1163                                 .platform_data          = &tsadcc_data,
1164         },
1165         .resource       = tsadcc_resources,
1166         .num_resources  = ARRAY_SIZE(tsadcc_resources),
1167 };
1168
1169 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
1170 {
1171         if (!data)
1172                 return;
1173
1174         at91_set_gpio_input(AT91_PIN_PD20, 0);  /* AD0_XR */
1175         at91_set_gpio_input(AT91_PIN_PD21, 0);  /* AD1_XL */
1176         at91_set_gpio_input(AT91_PIN_PD22, 0);  /* AD2_YT */
1177         at91_set_gpio_input(AT91_PIN_PD23, 0);  /* AD3_TB */
1178
1179         tsadcc_data = *data;
1180         platform_device_register(&at91sam9g45_tsadcc_device);
1181 }
1182 #else
1183 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
1184 #endif
1185
1186
1187 /* --------------------------------------------------------------------
1188  *  ADC
1189  * -------------------------------------------------------------------- */
1190
1191 #if IS_ENABLED(CONFIG_AT91_ADC)
1192 static struct at91_adc_data adc_data;
1193
1194 static struct resource adc_resources[] = {
1195         [0] = {
1196                 .start  = AT91SAM9G45_BASE_TSC,
1197                 .end    = AT91SAM9G45_BASE_TSC + SZ_16K - 1,
1198                 .flags  = IORESOURCE_MEM,
1199         },
1200         [1] = {
1201                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC,
1202                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_TSC,
1203                 .flags  = IORESOURCE_IRQ,
1204         }
1205 };
1206
1207 static struct platform_device at91_adc_device = {
1208         .name           = "at91_adc",
1209         .id             = -1,
1210         .dev            = {
1211                                 .platform_data  = &adc_data,
1212         },
1213         .resource       = adc_resources,
1214         .num_resources  = ARRAY_SIZE(adc_resources),
1215 };
1216
1217 static struct at91_adc_trigger at91_adc_triggers[] = {
1218         [0] = {
1219                 .name = "external-rising",
1220                 .value = 1,
1221                 .is_external = true,
1222         },
1223         [1] = {
1224                 .name = "external-falling",
1225                 .value = 2,
1226                 .is_external = true,
1227         },
1228         [2] = {
1229                 .name = "external-any",
1230                 .value = 3,
1231                 .is_external = true,
1232         },
1233         [3] = {
1234                 .name = "continuous",
1235                 .value = 6,
1236                 .is_external = false,
1237         },
1238 };
1239
1240 static struct at91_adc_reg_desc at91_adc_register_g45 = {
1241         .channel_base = AT91_ADC_CHR(0),
1242         .drdy_mask = AT91_ADC_DRDY,
1243         .status_register = AT91_ADC_SR,
1244         .trigger_register = 0x08,
1245 };
1246
1247 void __init at91_add_device_adc(struct at91_adc_data *data)
1248 {
1249         if (!data)
1250                 return;
1251
1252         if (test_bit(0, &data->channels_used))
1253                 at91_set_gpio_input(AT91_PIN_PD20, 0);
1254         if (test_bit(1, &data->channels_used))
1255                 at91_set_gpio_input(AT91_PIN_PD21, 0);
1256         if (test_bit(2, &data->channels_used))
1257                 at91_set_gpio_input(AT91_PIN_PD22, 0);
1258         if (test_bit(3, &data->channels_used))
1259                 at91_set_gpio_input(AT91_PIN_PD23, 0);
1260         if (test_bit(4, &data->channels_used))
1261                 at91_set_gpio_input(AT91_PIN_PD24, 0);
1262         if (test_bit(5, &data->channels_used))
1263                 at91_set_gpio_input(AT91_PIN_PD25, 0);
1264         if (test_bit(6, &data->channels_used))
1265                 at91_set_gpio_input(AT91_PIN_PD26, 0);
1266         if (test_bit(7, &data->channels_used))
1267                 at91_set_gpio_input(AT91_PIN_PD27, 0);
1268
1269         if (data->use_external_triggers)
1270                 at91_set_A_periph(AT91_PIN_PD28, 0);
1271
1272         data->num_channels = 8;
1273         data->startup_time = 40;
1274         data->registers = &at91_adc_register_g45;
1275         data->trigger_number = 4;
1276         data->trigger_list = at91_adc_triggers;
1277
1278         adc_data = *data;
1279         platform_device_register(&at91_adc_device);
1280 }
1281 #else
1282 void __init at91_add_device_adc(struct at91_adc_data *data) {}
1283 #endif
1284
1285 /* --------------------------------------------------------------------
1286  *  RTT
1287  * -------------------------------------------------------------------- */
1288
1289 static struct resource rtt_resources[] = {
1290         {
1291                 .start  = AT91SAM9G45_BASE_RTT,
1292                 .end    = AT91SAM9G45_BASE_RTT + SZ_16 - 1,
1293                 .flags  = IORESOURCE_MEM,
1294         }, {
1295                 .flags  = IORESOURCE_MEM,
1296         }
1297 };
1298
1299 static struct platform_device at91sam9g45_rtt_device = {
1300         .name           = "at91_rtt",
1301         .id             = 0,
1302         .resource       = rtt_resources,
1303 };
1304
1305 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
1306 static void __init at91_add_device_rtt_rtc(void)
1307 {
1308         at91sam9g45_rtt_device.name = "rtc-at91sam9";
1309         /*
1310          * The second resource is needed:
1311          * GPBR will serve as the storage for RTC time offset
1312          */
1313         at91sam9g45_rtt_device.num_resources = 2;
1314         rtt_resources[1].start = AT91SAM9G45_BASE_GPBR +
1315                                  4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
1316         rtt_resources[1].end = rtt_resources[1].start + 3;
1317 }
1318 #else
1319 static void __init at91_add_device_rtt_rtc(void)
1320 {
1321         /* Only one resource is needed: RTT not used as RTC */
1322         at91sam9g45_rtt_device.num_resources = 1;
1323 }
1324 #endif
1325
1326 static void __init at91_add_device_rtt(void)
1327 {
1328         at91_add_device_rtt_rtc();
1329         platform_device_register(&at91sam9g45_rtt_device);
1330 }
1331
1332
1333 /* --------------------------------------------------------------------
1334  *  TRNG
1335  * -------------------------------------------------------------------- */
1336
1337 #if defined(CONFIG_HW_RANDOM_ATMEL) || defined(CONFIG_HW_RANDOM_ATMEL_MODULE)
1338 static struct resource trng_resources[] = {
1339         {
1340                 .start  = AT91SAM9G45_BASE_TRNG,
1341                 .end    = AT91SAM9G45_BASE_TRNG + SZ_16K - 1,
1342                 .flags  = IORESOURCE_MEM,
1343         },
1344 };
1345
1346 static struct platform_device at91sam9g45_trng_device = {
1347         .name           = "atmel-trng",
1348         .id             = -1,
1349         .resource       = trng_resources,
1350         .num_resources  = ARRAY_SIZE(trng_resources),
1351 };
1352
1353 static void __init at91_add_device_trng(void)
1354 {
1355         platform_device_register(&at91sam9g45_trng_device);
1356 }
1357 #else
1358 static void __init at91_add_device_trng(void) {}
1359 #endif
1360
1361 /* --------------------------------------------------------------------
1362  *  Watchdog
1363  * -------------------------------------------------------------------- */
1364
1365 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
1366 static struct resource wdt_resources[] = {
1367         {
1368                 .start  = AT91SAM9G45_BASE_WDT,
1369                 .end    = AT91SAM9G45_BASE_WDT + SZ_16 - 1,
1370                 .flags  = IORESOURCE_MEM,
1371         }
1372 };
1373
1374 static struct platform_device at91sam9g45_wdt_device = {
1375         .name           = "at91_wdt",
1376         .id             = -1,
1377         .resource       = wdt_resources,
1378         .num_resources  = ARRAY_SIZE(wdt_resources),
1379 };
1380
1381 static void __init at91_add_device_watchdog(void)
1382 {
1383         platform_device_register(&at91sam9g45_wdt_device);
1384 }
1385 #else
1386 static void __init at91_add_device_watchdog(void) {}
1387 #endif
1388
1389
1390 /* --------------------------------------------------------------------
1391  *  PWM
1392  * --------------------------------------------------------------------*/
1393
1394 #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE)
1395 static u32 pwm_mask;
1396
1397 static struct resource pwm_resources[] = {
1398         [0] = {
1399                 .start  = AT91SAM9G45_BASE_PWMC,
1400                 .end    = AT91SAM9G45_BASE_PWMC + SZ_16K - 1,
1401                 .flags  = IORESOURCE_MEM,
1402         },
1403         [1] = {
1404                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_PWMC,
1405                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_PWMC,
1406                 .flags  = IORESOURCE_IRQ,
1407         },
1408 };
1409
1410 static struct platform_device at91sam9g45_pwm0_device = {
1411         .name   = "atmel_pwm",
1412         .id     = -1,
1413         .dev    = {
1414                 .platform_data          = &pwm_mask,
1415         },
1416         .resource       = pwm_resources,
1417         .num_resources  = ARRAY_SIZE(pwm_resources),
1418 };
1419
1420 void __init at91_add_device_pwm(u32 mask)
1421 {
1422         if (mask & (1 << AT91_PWM0))
1423                 at91_set_B_periph(AT91_PIN_PD24, 1);    /* enable PWM0 */
1424
1425         if (mask & (1 << AT91_PWM1))
1426                 at91_set_B_periph(AT91_PIN_PD31, 1);    /* enable PWM1 */
1427
1428         if (mask & (1 << AT91_PWM2))
1429                 at91_set_B_periph(AT91_PIN_PD26, 1);    /* enable PWM2 */
1430
1431         if (mask & (1 << AT91_PWM3))
1432                 at91_set_B_periph(AT91_PIN_PD0, 1);     /* enable PWM3 */
1433
1434         pwm_mask = mask;
1435
1436         platform_device_register(&at91sam9g45_pwm0_device);
1437 }
1438 #else
1439 void __init at91_add_device_pwm(u32 mask) {}
1440 #endif
1441
1442
1443 /* --------------------------------------------------------------------
1444  *  SSC -- Synchronous Serial Controller
1445  * -------------------------------------------------------------------- */
1446
1447 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1448 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
1449
1450 static struct resource ssc0_resources[] = {
1451         [0] = {
1452                 .start  = AT91SAM9G45_BASE_SSC0,
1453                 .end    = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1,
1454                 .flags  = IORESOURCE_MEM,
1455         },
1456         [1] = {
1457                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_SSC0,
1458                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_SSC0,
1459                 .flags  = IORESOURCE_IRQ,
1460         },
1461 };
1462
1463 static struct platform_device at91sam9g45_ssc0_device = {
1464         .name   = "ssc",
1465         .id     = 0,
1466         .dev    = {
1467                 .dma_mask               = &ssc0_dmamask,
1468                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1469         },
1470         .resource       = ssc0_resources,
1471         .num_resources  = ARRAY_SIZE(ssc0_resources),
1472 };
1473
1474 static inline void configure_ssc0_pins(unsigned pins)
1475 {
1476         if (pins & ATMEL_SSC_TF)
1477                 at91_set_A_periph(AT91_PIN_PD1, 1);
1478         if (pins & ATMEL_SSC_TK)
1479                 at91_set_A_periph(AT91_PIN_PD0, 1);
1480         if (pins & ATMEL_SSC_TD)
1481                 at91_set_A_periph(AT91_PIN_PD2, 1);
1482         if (pins & ATMEL_SSC_RD)
1483                 at91_set_A_periph(AT91_PIN_PD3, 1);
1484         if (pins & ATMEL_SSC_RK)
1485                 at91_set_A_periph(AT91_PIN_PD4, 1);
1486         if (pins & ATMEL_SSC_RF)
1487                 at91_set_A_periph(AT91_PIN_PD5, 1);
1488 }
1489
1490 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
1491
1492 static struct resource ssc1_resources[] = {
1493         [0] = {
1494                 .start  = AT91SAM9G45_BASE_SSC1,
1495                 .end    = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1,
1496                 .flags  = IORESOURCE_MEM,
1497         },
1498         [1] = {
1499                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_SSC1,
1500                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_SSC1,
1501                 .flags  = IORESOURCE_IRQ,
1502         },
1503 };
1504
1505 static struct platform_device at91sam9g45_ssc1_device = {
1506         .name   = "ssc",
1507         .id     = 1,
1508         .dev    = {
1509                 .dma_mask               = &ssc1_dmamask,
1510                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1511         },
1512         .resource       = ssc1_resources,
1513         .num_resources  = ARRAY_SIZE(ssc1_resources),
1514 };
1515
1516 static inline void configure_ssc1_pins(unsigned pins)
1517 {
1518         if (pins & ATMEL_SSC_TF)
1519                 at91_set_A_periph(AT91_PIN_PD14, 1);
1520         if (pins & ATMEL_SSC_TK)
1521                 at91_set_A_periph(AT91_PIN_PD12, 1);
1522         if (pins & ATMEL_SSC_TD)
1523                 at91_set_A_periph(AT91_PIN_PD10, 1);
1524         if (pins & ATMEL_SSC_RD)
1525                 at91_set_A_periph(AT91_PIN_PD11, 1);
1526         if (pins & ATMEL_SSC_RK)
1527                 at91_set_A_periph(AT91_PIN_PD13, 1);
1528         if (pins & ATMEL_SSC_RF)
1529                 at91_set_A_periph(AT91_PIN_PD15, 1);
1530 }
1531
1532 /*
1533  * SSC controllers are accessed through library code, instead of any
1534  * kind of all-singing/all-dancing driver.  For example one could be
1535  * used by a particular I2S audio codec's driver, while another one
1536  * on the same system might be used by a custom data capture driver.
1537  */
1538 void __init at91_add_device_ssc(unsigned id, unsigned pins)
1539 {
1540         struct platform_device *pdev;
1541
1542         /*
1543          * NOTE: caller is responsible for passing information matching
1544          * "pins" to whatever will be using each particular controller.
1545          */
1546         switch (id) {
1547         case AT91SAM9G45_ID_SSC0:
1548                 pdev = &at91sam9g45_ssc0_device;
1549                 configure_ssc0_pins(pins);
1550                 break;
1551         case AT91SAM9G45_ID_SSC1:
1552                 pdev = &at91sam9g45_ssc1_device;
1553                 configure_ssc1_pins(pins);
1554                 break;
1555         default:
1556                 return;
1557         }
1558
1559         platform_device_register(pdev);
1560 }
1561
1562 #else
1563 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1564 #endif
1565
1566
1567 /* --------------------------------------------------------------------
1568  *  UART
1569  * -------------------------------------------------------------------- */
1570
1571 #if defined(CONFIG_SERIAL_ATMEL)
1572 static struct resource dbgu_resources[] = {
1573         [0] = {
1574                 .start  = AT91SAM9G45_BASE_DBGU,
1575                 .end    = AT91SAM9G45_BASE_DBGU + SZ_512 - 1,
1576                 .flags  = IORESOURCE_MEM,
1577         },
1578         [1] = {
1579                 .start  = NR_IRQS_LEGACY + AT91_ID_SYS,
1580                 .end    = NR_IRQS_LEGACY + AT91_ID_SYS,
1581                 .flags  = IORESOURCE_IRQ,
1582         },
1583 };
1584
1585 static struct atmel_uart_data dbgu_data = {
1586         .use_dma_tx     = 0,
1587         .use_dma_rx     = 0,
1588 };
1589
1590 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1591
1592 static struct platform_device at91sam9g45_dbgu_device = {
1593         .name           = "atmel_usart",
1594         .id             = 0,
1595         .dev            = {
1596                                 .dma_mask               = &dbgu_dmamask,
1597                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1598                                 .platform_data          = &dbgu_data,
1599         },
1600         .resource       = dbgu_resources,
1601         .num_resources  = ARRAY_SIZE(dbgu_resources),
1602 };
1603
1604 static inline void configure_dbgu_pins(void)
1605 {
1606         at91_set_A_periph(AT91_PIN_PB12, 0);            /* DRXD */
1607         at91_set_A_periph(AT91_PIN_PB13, 1);            /* DTXD */
1608 }
1609
1610 static struct resource uart0_resources[] = {
1611         [0] = {
1612                 .start  = AT91SAM9G45_BASE_US0,
1613                 .end    = AT91SAM9G45_BASE_US0 + SZ_16K - 1,
1614                 .flags  = IORESOURCE_MEM,
1615         },
1616         [1] = {
1617                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_US0,
1618                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_US0,
1619                 .flags  = IORESOURCE_IRQ,
1620         },
1621 };
1622
1623 static struct atmel_uart_data uart0_data = {
1624         .use_dma_tx     = 1,
1625         .use_dma_rx     = 1,
1626 };
1627
1628 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1629
1630 static struct platform_device at91sam9g45_uart0_device = {
1631         .name           = "atmel_usart",
1632         .id             = 1,
1633         .dev            = {
1634                                 .dma_mask               = &uart0_dmamask,
1635                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1636                                 .platform_data          = &uart0_data,
1637         },
1638         .resource       = uart0_resources,
1639         .num_resources  = ARRAY_SIZE(uart0_resources),
1640 };
1641
1642 static inline void configure_usart0_pins(unsigned pins)
1643 {
1644         at91_set_A_periph(AT91_PIN_PB19, 1);            /* TXD0 */
1645         at91_set_A_periph(AT91_PIN_PB18, 0);            /* RXD0 */
1646
1647         if (pins & ATMEL_UART_RTS)
1648                 at91_set_B_periph(AT91_PIN_PB17, 0);    /* RTS0 */
1649         if (pins & ATMEL_UART_CTS)
1650                 at91_set_B_periph(AT91_PIN_PB15, 0);    /* CTS0 */
1651 }
1652
1653 static struct resource uart1_resources[] = {
1654         [0] = {
1655                 .start  = AT91SAM9G45_BASE_US1,
1656                 .end    = AT91SAM9G45_BASE_US1 + SZ_16K - 1,
1657                 .flags  = IORESOURCE_MEM,
1658         },
1659         [1] = {
1660                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_US1,
1661                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_US1,
1662                 .flags  = IORESOURCE_IRQ,
1663         },
1664 };
1665
1666 static struct atmel_uart_data uart1_data = {
1667         .use_dma_tx     = 1,
1668         .use_dma_rx     = 1,
1669 };
1670
1671 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1672
1673 static struct platform_device at91sam9g45_uart1_device = {
1674         .name           = "atmel_usart",
1675         .id             = 2,
1676         .dev            = {
1677                                 .dma_mask               = &uart1_dmamask,
1678                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1679                                 .platform_data          = &uart1_data,
1680         },
1681         .resource       = uart1_resources,
1682         .num_resources  = ARRAY_SIZE(uart1_resources),
1683 };
1684
1685 static inline void configure_usart1_pins(unsigned pins)
1686 {
1687         at91_set_A_periph(AT91_PIN_PB4, 1);             /* TXD1 */
1688         at91_set_A_periph(AT91_PIN_PB5, 0);             /* RXD1 */
1689
1690         if (pins & ATMEL_UART_RTS)
1691                 at91_set_A_periph(AT91_PIN_PD16, 0);    /* RTS1 */
1692         if (pins & ATMEL_UART_CTS)
1693                 at91_set_A_periph(AT91_PIN_PD17, 0);    /* CTS1 */
1694 }
1695
1696 static struct resource uart2_resources[] = {
1697         [0] = {
1698                 .start  = AT91SAM9G45_BASE_US2,
1699                 .end    = AT91SAM9G45_BASE_US2 + SZ_16K - 1,
1700                 .flags  = IORESOURCE_MEM,
1701         },
1702         [1] = {
1703                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_US2,
1704                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_US2,
1705                 .flags  = IORESOURCE_IRQ,
1706         },
1707 };
1708
1709 static struct atmel_uart_data uart2_data = {
1710         .use_dma_tx     = 1,
1711         .use_dma_rx     = 1,
1712 };
1713
1714 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1715
1716 static struct platform_device at91sam9g45_uart2_device = {
1717         .name           = "atmel_usart",
1718         .id             = 3,
1719         .dev            = {
1720                                 .dma_mask               = &uart2_dmamask,
1721                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1722                                 .platform_data          = &uart2_data,
1723         },
1724         .resource       = uart2_resources,
1725         .num_resources  = ARRAY_SIZE(uart2_resources),
1726 };
1727
1728 static inline void configure_usart2_pins(unsigned pins)
1729 {
1730         at91_set_A_periph(AT91_PIN_PB6, 1);             /* TXD2 */
1731         at91_set_A_periph(AT91_PIN_PB7, 0);             /* RXD2 */
1732
1733         if (pins & ATMEL_UART_RTS)
1734                 at91_set_B_periph(AT91_PIN_PC9, 0);     /* RTS2 */
1735         if (pins & ATMEL_UART_CTS)
1736                 at91_set_B_periph(AT91_PIN_PC11, 0);    /* CTS2 */
1737 }
1738
1739 static struct resource uart3_resources[] = {
1740         [0] = {
1741                 .start  = AT91SAM9G45_BASE_US3,
1742                 .end    = AT91SAM9G45_BASE_US3 + SZ_16K - 1,
1743                 .flags  = IORESOURCE_MEM,
1744         },
1745         [1] = {
1746                 .start  = NR_IRQS_LEGACY + AT91SAM9G45_ID_US3,
1747                 .end    = NR_IRQS_LEGACY + AT91SAM9G45_ID_US3,
1748                 .flags  = IORESOURCE_IRQ,
1749         },
1750 };
1751
1752 static struct atmel_uart_data uart3_data = {
1753         .use_dma_tx     = 1,
1754         .use_dma_rx     = 1,
1755 };
1756
1757 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1758
1759 static struct platform_device at91sam9g45_uart3_device = {
1760         .name           = "atmel_usart",
1761         .id             = 4,
1762         .dev            = {
1763                                 .dma_mask               = &uart3_dmamask,
1764                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1765                                 .platform_data          = &uart3_data,
1766         },
1767         .resource       = uart3_resources,
1768         .num_resources  = ARRAY_SIZE(uart3_resources),
1769 };
1770
1771 static inline void configure_usart3_pins(unsigned pins)
1772 {
1773         at91_set_A_periph(AT91_PIN_PB8, 1);             /* TXD3 */
1774         at91_set_A_periph(AT91_PIN_PB9, 0);             /* RXD3 */
1775
1776         if (pins & ATMEL_UART_RTS)
1777                 at91_set_B_periph(AT91_PIN_PA23, 0);    /* RTS3 */
1778         if (pins & ATMEL_UART_CTS)
1779                 at91_set_B_periph(AT91_PIN_PA24, 0);    /* CTS3 */
1780 }
1781
1782 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1783
1784 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1785 {
1786         struct platform_device *pdev;
1787         struct atmel_uart_data *pdata;
1788
1789         switch (id) {
1790                 case 0:         /* DBGU */
1791                         pdev = &at91sam9g45_dbgu_device;
1792                         configure_dbgu_pins();
1793                         break;
1794                 case AT91SAM9G45_ID_US0:
1795                         pdev = &at91sam9g45_uart0_device;
1796                         configure_usart0_pins(pins);
1797                         break;
1798                 case AT91SAM9G45_ID_US1:
1799                         pdev = &at91sam9g45_uart1_device;
1800                         configure_usart1_pins(pins);
1801                         break;
1802                 case AT91SAM9G45_ID_US2:
1803                         pdev = &at91sam9g45_uart2_device;
1804                         configure_usart2_pins(pins);
1805                         break;
1806                 case AT91SAM9G45_ID_US3:
1807                         pdev = &at91sam9g45_uart3_device;
1808                         configure_usart3_pins(pins);
1809                         break;
1810                 default:
1811                         return;
1812         }
1813         pdata = pdev->dev.platform_data;
1814         pdata->num = portnr;            /* update to mapped ID */
1815
1816         if (portnr < ATMEL_MAX_UART)
1817                 at91_uarts[portnr] = pdev;
1818 }
1819
1820 void __init at91_add_device_serial(void)
1821 {
1822         int i;
1823
1824         for (i = 0; i < ATMEL_MAX_UART; i++) {
1825                 if (at91_uarts[i])
1826                         platform_device_register(at91_uarts[i]);
1827         }
1828 }
1829 #else
1830 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1831 void __init at91_add_device_serial(void) {}
1832 #endif
1833
1834 /* --------------------------------------------------------------------
1835  *  SHA1/SHA256
1836  * -------------------------------------------------------------------- */
1837
1838 #if defined(CONFIG_CRYPTO_DEV_ATMEL_SHA) || defined(CONFIG_CRYPTO_DEV_ATMEL_SHA_MODULE)
1839 static struct resource sha_resources[] = {
1840         {
1841                 .start  = AT91SAM9G45_BASE_SHA,
1842                 .end    = AT91SAM9G45_BASE_SHA + SZ_16K - 1,
1843                 .flags  = IORESOURCE_MEM,
1844         },
1845         [1] = {
1846                 .start  = AT91SAM9G45_ID_AESTDESSHA,
1847                 .end    = AT91SAM9G45_ID_AESTDESSHA,
1848                 .flags  = IORESOURCE_IRQ,
1849         },
1850 };
1851
1852 static struct platform_device at91sam9g45_sha_device = {
1853         .name   = "atmel_sha",
1854         .id             = -1,
1855         .resource       = sha_resources,
1856         .num_resources  = ARRAY_SIZE(sha_resources),
1857 };
1858
1859 static void __init at91_add_device_sha(void)
1860 {
1861         platform_device_register(&at91sam9g45_sha_device);
1862 }
1863 #else
1864 static void __init at91_add_device_sha(void) {}
1865 #endif
1866
1867 /* --------------------------------------------------------------------
1868  *  DES/TDES
1869  * -------------------------------------------------------------------- */
1870
1871 #if defined(CONFIG_CRYPTO_DEV_ATMEL_TDES) || defined(CONFIG_CRYPTO_DEV_ATMEL_TDES_MODULE)
1872 static struct resource tdes_resources[] = {
1873         [0] = {
1874                 .start  = AT91SAM9G45_BASE_TDES,
1875                 .end    = AT91SAM9G45_BASE_TDES + SZ_16K - 1,
1876                 .flags  = IORESOURCE_MEM,
1877         },
1878         [1] = {
1879                 .start  = AT91SAM9G45_ID_AESTDESSHA,
1880                 .end    = AT91SAM9G45_ID_AESTDESSHA,
1881                 .flags  = IORESOURCE_IRQ,
1882         },
1883 };
1884
1885 static struct platform_device at91sam9g45_tdes_device = {
1886         .name   = "atmel_tdes",
1887         .id             = -1,
1888         .resource       = tdes_resources,
1889         .num_resources  = ARRAY_SIZE(tdes_resources),
1890 };
1891
1892 static void __init at91_add_device_tdes(void)
1893 {
1894         platform_device_register(&at91sam9g45_tdes_device);
1895 }
1896 #else
1897 static void __init at91_add_device_tdes(void) {}
1898 #endif
1899
1900 /* --------------------------------------------------------------------
1901  *  AES
1902  * -------------------------------------------------------------------- */
1903
1904 #if defined(CONFIG_CRYPTO_DEV_ATMEL_AES) || defined(CONFIG_CRYPTO_DEV_ATMEL_AES_MODULE)
1905 static struct aes_platform_data aes_data;
1906 static u64 aes_dmamask = DMA_BIT_MASK(32);
1907
1908 static struct resource aes_resources[] = {
1909         [0] = {
1910                 .start  = AT91SAM9G45_BASE_AES,
1911                 .end    = AT91SAM9G45_BASE_AES + SZ_16K - 1,
1912                 .flags  = IORESOURCE_MEM,
1913         },
1914         [1] = {
1915                 .start  = AT91SAM9G45_ID_AESTDESSHA,
1916                 .end    = AT91SAM9G45_ID_AESTDESSHA,
1917                 .flags  = IORESOURCE_IRQ,
1918         },
1919 };
1920
1921 static struct platform_device at91sam9g45_aes_device = {
1922         .name   = "atmel_aes",
1923         .id             = -1,
1924         .dev    = {
1925                 .dma_mask               = &aes_dmamask,
1926                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1927                 .platform_data          = &aes_data,
1928         },
1929         .resource       = aes_resources,
1930         .num_resources  = ARRAY_SIZE(aes_resources),
1931 };
1932
1933 static void __init at91_add_device_aes(void)
1934 {
1935         struct at_dma_slave     *atslave;
1936         struct aes_dma_data     *alt_atslave;
1937
1938         alt_atslave = kzalloc(sizeof(struct aes_dma_data), GFP_KERNEL);
1939
1940         /* DMA TX slave channel configuration */
1941         atslave = &alt_atslave->txdata;
1942         atslave->dma_dev = &at_hdmac_device.dev;
1943         atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE  | ATC_SRC_H2SEL_HW |
1944                                                 ATC_SRC_PER(AT_DMA_ID_AES_RX);
1945
1946         /* DMA RX slave channel configuration */
1947         atslave = &alt_atslave->rxdata;
1948         atslave->dma_dev = &at_hdmac_device.dev;
1949         atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE  | ATC_DST_H2SEL_HW |
1950                                                 ATC_DST_PER(AT_DMA_ID_AES_TX);
1951
1952         aes_data.dma_slave = alt_atslave;
1953         platform_device_register(&at91sam9g45_aes_device);
1954 }
1955 #else
1956 static void __init at91_add_device_aes(void) {}
1957 #endif
1958
1959 /* -------------------------------------------------------------------- */
1960 /*
1961  * These devices are always present and don't need any board-specific
1962  * setup.
1963  */
1964 static int __init at91_add_standard_devices(void)
1965 {
1966         if (of_have_populated_dt())
1967                 return 0;
1968
1969         at91_add_device_hdmac();
1970         at91_add_device_rtc();
1971         at91_add_device_rtt();
1972         at91_add_device_trng();
1973         at91_add_device_watchdog();
1974         at91_add_device_tc();
1975         at91_add_device_sha();
1976         at91_add_device_tdes();
1977         at91_add_device_aes();
1978         return 0;
1979 }
1980
1981 arch_initcall(at91_add_standard_devices);