arch/arm/mach-shmobile/board-ap4evb.c

   1 /*
   2  * AP4EVB board support
   3  *
   4  * Copyright (C) 2010  Magnus Damm
   5  * Copyright (C) 2008  Yoshihiro Shimoda
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20 #include <linux/clk.h>
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/delay.h>
  27 #include <linux/mfd/sh_mobile_sdhi.h>
  28 #include <linux/mfd/tmio.h>
  29 #include <linux/mmc/host.h>
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/partitions.h>
  32 #include <linux/mtd/physmap.h>
  33 #include <linux/mmc/host.h>
  34 #include <linux/mmc/sh_mmcif.h>
  35 #include <linux/i2c.h>
  36 #include <linux/i2c/tsc2007.h>
  37 #include <linux/io.h>
  38 #include <linux/smsc911x.h>
  39 #include <linux/sh_intc.h>
  40 #include <linux/sh_clk.h>
  41 #include <linux/gpio.h>
  42 #include <linux/input.h>
  43 #include <linux/leds.h>
  44 #include <linux/input/sh_keysc.h>
  45 #include <linux/usb/r8a66597.h>
  46
  47 #include <sound/sh_fsi.h>
  48
  49 #include <video/sh_mobile_hdmi.h>
  50 #include <video/sh_mobile_lcdc.h>
  51 #include <video/sh_mipi_dsi.h>
  52
  53 #include <mach/common.h>
  54 #include <mach/irqs.h>
  55 #include <mach/sh7372.h>
  56
  57 #include <asm/mach-types.h>
  58 #include <asm/mach/arch.h>
  59 #include <asm/mach/map.h>
  60 #include <asm/mach/time.h>
  61
  62 /*
  63  * Address      Interface               BusWidth        note
  64  * ------------------------------------------------------------------
  65  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  66  * 0x0800_0000  user area               -
  67  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  68  * 0x1400_0000  Ether (LAN9220)         16bit
  69  * 0x1600_0000  user area               -               cannot use with NAND
  70  * 0x1800_0000  user area               -
  71  * 0x1A00_0000  -
  72  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  73  */
  74
  75 /*
  76  * NOR Flash ROM
  77  *
  78  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  79  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  80  * ------+------------+------+------------------
  81  *  OFF  | ON     OFF | ON   |    Area 0
  82  *  OFF  | ON     OFF | OFF  |    Area 4
  83  */
  84
  85 /*
  86  * NAND Flash ROM
  87  *
  88  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  89  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  90  * ------+------------+------+------------------
  91  *  OFF  | ON     OFF | ON   |    FCE 0
  92  *  OFF  | ON     OFF | OFF  |    FCE 1
  93  */
  94
  95 /*
  96  * SMSC 9220
  97  *
  98  *  SW1         SMSC 9220
  99  * -----------------------
 100  *  ON          access disable
 101  *  OFF         access enable
 102  */
 103
 104 /*
 105  * LCD / IRQ / KEYSC / IrDA
 106  *
 107  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 108  * LCD = 2nd LCDC (WVGA)
 109  *
 110  *              |               SW43                    |
 111  * SW3          |       ON              |       OFF     |
 112  * -------------+-----------------------+---------------+
 113  * ON           | KEY / IrDA            | LCD           |
 114  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 115  *
 116  *
 117  * QHD / WVGA display
 118  *
 119  * You can choice display type on menuconfig.
 120  * Then, check above dip-switch.
 121  */
 122
 123 /*
 124  * USB
 125  *
 126  * J7 : 1-2  MAX3355E VBUS
 127  *      2-3  DC 5.0V
 128  *
 129  * S39: bit2: off
 130  */
 131
 132 /*
 133  * FSI/FSMI
 134  *
 135  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 136  *      : OFF : Bluetooth Audio Mode
 137  */
 138
 139 /*
 140  * MMC0/SDHI1 (CN7)
 141  *
 142  * J22 : select card voltage
 143  *       1-2 pin : 1.8v
 144  *       2-3 pin : 3.3v
 145  *
 146  *        SW1  |             SW33
 147  *             | bit1 | bit2 | bit3 | bit4
 148  * ------------+------+------+------+-------
 149  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 150  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 151  *
 152  * voltage lebel
 153  * CN7 : 1.8v
 154  * CN12: 3.3v
 155  */
 156
 157 /* MTD */
 158 static struct mtd_partition nor_flash_partitions[] = {
 159         {
 160                 .name           = "loader",
 161                 .offset         = 0x00000000,
 162                 .size           = 512 * 1024,
 163         },
 164         {
 165                 .name           = "bootenv",
 166                 .offset         = MTDPART_OFS_APPEND,
 167                 .size           = 512 * 1024,
 168         },
 169         {
 170                 .name           = "kernel_ro",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 8 * 1024 * 1024,
 173                 .mask_flags     = MTD_WRITEABLE,
 174         },
 175         {
 176                 .name           = "kernel",
 177                 .offset         = MTDPART_OFS_APPEND,
 178                 .size           = 8 * 1024 * 1024,
 179         },
 180         {
 181                 .name           = "data",
 182                 .offset         = MTDPART_OFS_APPEND,
 183                 .size           = MTDPART_SIZ_FULL,
 184         },
 185 };
 186
 187 static struct physmap_flash_data nor_flash_data = {
 188         .width          = 2,
 189         .parts          = nor_flash_partitions,
 190         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 191 };
 192
 193 static struct resource nor_flash_resources[] = {
 194         [0]     = {
 195                 .start  = 0x00000000,
 196                 .end    = 0x08000000 - 1,
 197                 .flags  = IORESOURCE_MEM,
 198         }
 199 };
 200
 201 static struct platform_device nor_flash_device = {
 202         .name           = "physmap-flash",
 203         .dev            = {
 204                 .platform_data  = &nor_flash_data,
 205         },
 206         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 207         .resource       = nor_flash_resources,
 208 };
 209
 210 /* SMSC 9220 */
 211 static struct resource smc911x_resources[] = {
 212         {
 213                 .start  = 0x14000000,
 214                 .end    = 0x16000000 - 1,
 215                 .flags  = IORESOURCE_MEM,
 216         }, {
 217                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 218                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 219         },
 220 };
 221
 222 static struct smsc911x_platform_config smsc911x_info = {
 223         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 224         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 225         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 226 };
 227
 228 static struct platform_device smc911x_device = {
 229         .name           = "smsc911x",
 230         .id             = -1,
 231         .num_resources  = ARRAY_SIZE(smc911x_resources),
 232         .resource       = smc911x_resources,
 233         .dev            = {
 234                 .platform_data = &smsc911x_info,
 235         },
 236 };
 237
 238 /* SH_MMCIF */
 239 static struct resource sh_mmcif_resources[] = {
 240         [0] = {
 241                 .name   = "SH_MMCIF",
 242                 .start  = 0xE6BD0000,
 243                 .end    = 0xE6BD00FF,
 244                 .flags  = IORESOURCE_MEM,
 245         },
 246         [1] = {
 247                 /* MMC ERR */
 248                 .start  = evt2irq(0x1ac0),
 249                 .flags  = IORESOURCE_IRQ,
 250         },
 251         [2] = {
 252                 /* MMC NOR */
 253                 .start  = evt2irq(0x1ae0),
 254                 .flags  = IORESOURCE_IRQ,
 255         },
 256 };
 257
 258 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 259         .sup_pclk       = 0,
 260         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 261         .caps           = MMC_CAP_4_BIT_DATA |
 262                           MMC_CAP_8_BIT_DATA |
 263                           MMC_CAP_NEEDS_POLL,
 264 };
 265
 266 static struct platform_device sh_mmcif_device = {
 267         .name           = "sh_mmcif",
 268         .id             = 0,
 269         .dev            = {
 270                 .dma_mask               = NULL,
 271                 .coherent_dma_mask      = 0xffffffff,
 272                 .platform_data          = &sh_mmcif_plat,
 273         },
 274         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 275         .resource       = sh_mmcif_resources,
 276 };
 277
 278 /* SDHI0 */
 279 static struct sh_mobile_sdhi_info sdhi0_info = {
 280         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 281         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 282 };
 283
 284 static struct resource sdhi0_resources[] = {
 285         [0] = {
 286                 .name   = "SDHI0",
 287                 .start  = 0xe6850000,
 288                 .end    = 0xe68501ff,
 289                 .flags  = IORESOURCE_MEM,
 290         },
 291         [1] = {
 292                 .start  = evt2irq(0x0e00) /* SDHI0 */,
 293                 .flags  = IORESOURCE_IRQ,
 294         },
 295 };
 296
 297 static struct platform_device sdhi0_device = {
 298         .name           = "sh_mobile_sdhi",
 299         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 300         .resource       = sdhi0_resources,
 301         .id             = 0,
 302         .dev    = {
 303                 .platform_data  = &sdhi0_info,
 304         },
 305 };
 306
 307 /* SDHI1 */
 308 static struct sh_mobile_sdhi_info sdhi1_info = {
 309         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 310         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 311         .tmio_ocr_mask  = MMC_VDD_165_195,
 312         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 313 };
 314
 315 static struct resource sdhi1_resources[] = {
 316         [0] = {
 317                 .name   = "SDHI1",
 318                 .start  = 0xe6860000,
 319                 .end    = 0xe68601ff,
 320                 .flags  = IORESOURCE_MEM,
 321         },
 322         [1] = {
 323                 .start  = evt2irq(0x0e80),
 324                 .flags  = IORESOURCE_IRQ,
 325         },
 326 };
 327
 328 static struct platform_device sdhi1_device = {
 329         .name           = "sh_mobile_sdhi",
 330         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 331         .resource       = sdhi1_resources,
 332         .id             = 1,
 333         .dev    = {
 334                 .platform_data  = &sdhi1_info,
 335         },
 336 };
 337
 338 /* USB1 */
 339 static void usb1_host_port_power(int port, int power)
 340 {
 341         if (!power) /* only power-on supported for now */
 342                 return;
 343
 344         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 345         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 346 }
 347
 348 static struct r8a66597_platdata usb1_host_data = {
 349         .on_chip        = 1,
 350         .port_power     = usb1_host_port_power,
 351 };
 352
 353 static struct resource usb1_host_resources[] = {
 354         [0] = {
 355                 .name   = "USBHS",
 356                 .start  = 0xE68B0000,
 357                 .end    = 0xE68B00E6 - 1,
 358                 .flags  = IORESOURCE_MEM,
 359         },
 360         [1] = {
 361                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 362                 .flags  = IORESOURCE_IRQ,
 363         },
 364 };
 365
 366 static struct platform_device usb1_host_device = {
 367         .name   = "r8a66597_hcd",
 368         .id     = 1,
 369         .dev = {
 370                 .dma_mask               = NULL,         /*  not use dma */
 371                 .coherent_dma_mask      = 0xffffffff,
 372                 .platform_data          = &usb1_host_data,
 373         },
 374         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 375         .resource       = usb1_host_resources,
 376 };
 377
 378 static struct sh_mobile_lcdc_info lcdc_info = {
 379         .ch[0] = {
 380                 .chan = LCDC_CHAN_MAINLCD,
 381                 .bpp = 16,
 382         }
 383 };
 384
 385 static struct resource lcdc_resources[] = {
 386         [0] = {
 387                 .name   = "LCDC",
 388                 .start  = 0xfe940000, /* P4-only space */
 389                 .end    = 0xfe943fff,
 390                 .flags  = IORESOURCE_MEM,
 391         },
 392         [1] = {
 393                 .start  = intcs_evt2irq(0x580),
 394                 .flags  = IORESOURCE_IRQ,
 395         },
 396 };
 397
 398 static struct platform_device lcdc_device = {
 399         .name           = "sh_mobile_lcdc_fb",
 400         .num_resources  = ARRAY_SIZE(lcdc_resources),
 401         .resource       = lcdc_resources,
 402         .dev    = {
 403                 .platform_data  = &lcdc_info,
 404                 .coherent_dma_mask = ~0,
 405         },
 406 };
 407
 408 /*
 409  * QHD display
 410  */
 411 #ifdef CONFIG_AP4EVB_QHD
 412
 413 /* KEYSC (Needs SW43 set to ON) */
 414 static struct sh_keysc_info keysc_info = {
 415         .mode           = SH_KEYSC_MODE_1,
 416         .scan_timing    = 3,
 417         .delay          = 2500,
 418         .keycodes = {
 419                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 420                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 421                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 422                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 423                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 424         },
 425 };
 426
 427 static struct resource keysc_resources[] = {
 428         [0] = {
 429                 .name   = "KEYSC",
 430                 .start  = 0xe61b0000,
 431                 .end    = 0xe61b0063,
 432                 .flags  = IORESOURCE_MEM,
 433         },
 434         [1] = {
 435                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 436                 .flags  = IORESOURCE_IRQ,
 437         },
 438 };
 439
 440 static struct platform_device keysc_device = {
 441         .name           = "sh_keysc",
 442         .id             = 0, /* "keysc0" clock */
 443         .num_resources  = ARRAY_SIZE(keysc_resources),
 444         .resource       = keysc_resources,
 445         .dev    = {
 446                 .platform_data  = &keysc_info,
 447         },
 448 };
 449
 450 /* MIPI-DSI */
 451 static struct resource mipidsi0_resources[] = {
 452         [0] = {
 453                 .start  = 0xffc60000,
 454                 .end    = 0xffc68fff,
 455                 .flags  = IORESOURCE_MEM,
 456         },
 457 };
 458
 459 static struct sh_mipi_dsi_info mipidsi0_info = {
 460         .data_format    = MIPI_RGB888,
 461         .lcd_chan       = &lcdc_info.ch[0],
 462 };
 463
 464 static struct platform_device mipidsi0_device = {
 465         .name           = "sh-mipi-dsi",
 466         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 467         .resource       = mipidsi0_resources,
 468         .id             = 0,
 469         .dev    = {
 470                 .platform_data  = &mipidsi0_info,
 471         },
 472 };
 473
 474 /* This function will disappear when we switch to (runtime) PM */
 475 static int __init ap4evb_init_display_clk(void)
 476 {
 477         struct clk *lcdc_clk;
 478         struct clk *dsitx_clk;
 479         int ret;
 480
 481         lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
 482         if (IS_ERR(lcdc_clk))
 483                 return PTR_ERR(lcdc_clk);
 484
 485         dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
 486         if (IS_ERR(dsitx_clk)) {
 487                 ret = PTR_ERR(dsitx_clk);
 488                 goto eclkdsitxget;
 489         }
 490
 491         ret = clk_enable(lcdc_clk);
 492         if (ret < 0)
 493                 goto eclklcdcon;
 494
 495         ret = clk_enable(dsitx_clk);
 496         if (ret < 0)
 497                 goto eclkdsitxon;
 498
 499         return 0;
 500
 501 eclkdsitxon:
 502         clk_disable(lcdc_clk);
 503 eclklcdcon:
 504         clk_put(dsitx_clk);
 505 eclkdsitxget:
 506         clk_put(lcdc_clk);
 507
 508         return ret;
 509 }
 510 device_initcall(ap4evb_init_display_clk);
 511
 512 static struct platform_device *qhd_devices[] __initdata = {
 513         &mipidsi0_device,
 514         &keysc_device,
 515 };
 516 #endif /* CONFIG_AP4EVB_QHD */
 517
 518 /* FSI */
 519 #define IRQ_FSI         evt2irq(0x1840)
 520 #define FSIACKCR        0xE6150018
 521 static void fsiackcr_init(struct clk *clk)
 522 {
 523         u32 status = __raw_readl(clk->enable_reg);
 524
 525         /* use external clock */
 526         status &= ~0x000000ff;
 527         status |= 0x00000080;
 528         __raw_writel(status, clk->enable_reg);
 529 }
 530
 531 static struct clk_ops fsiackcr_clk_ops = {
 532         .init = fsiackcr_init,
 533 };
 534
 535 static struct clk fsiackcr_clk = {
 536         .ops            = &fsiackcr_clk_ops,
 537         .enable_reg     = (void __iomem *)FSIACKCR,
 538         .rate           = 0, /* unknown */
 539 };
 540
 541 static struct sh_fsi_platform_info fsi_info = {
 542         .porta_flags = SH_FSI_BRS_INV |
 543                        SH_FSI_OUT_SLAVE_MODE |
 544                        SH_FSI_IN_SLAVE_MODE |
 545                        SH_FSI_OFMT(PCM) |
 546                        SH_FSI_IFMT(PCM),
 547 };
 548
 549 static struct resource fsi_resources[] = {
 550         [0] = {
 551                 .name   = "FSI",
 552                 .start  = 0xFE3C0000,
 553                 .end    = 0xFE3C0400 - 1,
 554                 .flags  = IORESOURCE_MEM,
 555         },
 556         [1] = {
 557                 .start  = IRQ_FSI,
 558                 .flags  = IORESOURCE_IRQ,
 559         },
 560 };
 561
 562 static struct platform_device fsi_device = {
 563         .name           = "sh_fsi2",
 564         .id             = -1,
 565         .num_resources  = ARRAY_SIZE(fsi_resources),
 566         .resource       = fsi_resources,
 567         .dev    = {
 568                 .platform_data  = &fsi_info,
 569         },
 570 };
 571
 572 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 573         .clock_source = LCDC_CLK_EXTERNAL,
 574         .ch[0] = {
 575                 .chan = LCDC_CHAN_MAINLCD,
 576                 .bpp = 16,
 577                 .interface_type = RGB24,
 578                 .clock_divider = 1,
 579                 .flags = LCDC_FLAGS_DWPOL,
 580                 .lcd_cfg = {
 581                         .name = "HDMI",
 582                         /* So far only 720p is supported */
 583                         .xres = 1280,
 584                         .yres = 720,
 585                         /*
 586                          * If left and right margins are not multiples of 8,
 587                          * LDHAJR will be adjusted accordingly by the LCDC
 588                          * driver. Until we start using EDID, these values
 589                          * might have to be adjusted for different monitors.
 590                          */
 591                         .left_margin = 200,
 592                         .right_margin = 88,
 593                         .hsync_len = 48,
 594                         .upper_margin = 20,
 595                         .lower_margin = 5,
 596                         .vsync_len = 5,
 597                         .pixclock = 13468,
 598                         .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 599                 },
 600         }
 601 };
 602
 603 static struct resource lcdc1_resources[] = {
 604         [0] = {
 605                 .name   = "LCDC1",
 606                 .start  = 0xfe944000,
 607                 .end    = 0xfe947fff,
 608                 .flags  = IORESOURCE_MEM,
 609         },
 610         [1] = {
 611                 .start  = intcs_evt2irq(0x17a0),
 612                 .flags  = IORESOURCE_IRQ,
 613         },
 614 };
 615
 616 static struct platform_device lcdc1_device = {
 617         .name           = "sh_mobile_lcdc_fb",
 618         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 619         .resource       = lcdc1_resources,
 620         .id             = 1,
 621         .dev    = {
 622                 .platform_data  = &sh_mobile_lcdc1_info,
 623                 .coherent_dma_mask = ~0,
 624         },
 625 };
 626
 627 static struct sh_mobile_hdmi_info hdmi_info = {
 628         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 629         .lcd_dev = &lcdc1_device.dev,
 630 };
 631
 632 static struct resource hdmi_resources[] = {
 633         [0] = {
 634                 .name   = "HDMI",
 635                 .start  = 0xe6be0000,
 636                 .end    = 0xe6be00ff,
 637                 .flags  = IORESOURCE_MEM,
 638         },
 639         [1] = {
 640                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 641                 .start  = evt2irq(0x17e0),
 642                 .flags  = IORESOURCE_IRQ,
 643         },
 644 };
 645
 646 static struct platform_device hdmi_device = {
 647         .name           = "sh-mobile-hdmi",
 648         .num_resources  = ARRAY_SIZE(hdmi_resources),
 649         .resource       = hdmi_resources,
 650         .id             = -1,
 651         .dev    = {
 652                 .platform_data  = &hdmi_info,
 653         },
 654 };
 655
 656 static struct gpio_led ap4evb_leds[] = {
 657         {
 658                 .name                   = "led4",
 659                 .gpio                   = GPIO_PORT185,
 660                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 661         },
 662         {
 663                 .name                   = "led2",
 664                 .gpio                   = GPIO_PORT186,
 665                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 666         },
 667         {
 668                 .name                   = "led3",
 669                 .gpio                   = GPIO_PORT187,
 670                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 671         },
 672         {
 673                 .name                   = "led1",
 674                 .gpio                   = GPIO_PORT188,
 675                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 676         }
 677 };
 678
 679 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 680         .num_leds = ARRAY_SIZE(ap4evb_leds),
 681         .leds = ap4evb_leds,
 682 };
 683
 684 static struct platform_device leds_device = {
 685         .name = "leds-gpio",
 686         .id = 0,
 687         .dev = {
 688                 .platform_data  = &ap4evb_leds_pdata,
 689         },
 690 };
 691
 692 static struct platform_device *ap4evb_devices[] __initdata = {
 693         &leds_device,
 694         &nor_flash_device,
 695         &smc911x_device,
 696         &sdhi0_device,
 697         &sdhi1_device,
 698         &usb1_host_device,
 699         &fsi_device,
 700         &sh_mmcif_device,
 701         &lcdc1_device,
 702         &lcdc_device,
 703         &hdmi_device,
 704 };
 705
 706 static int __init hdmi_init_pm_clock(void)
 707 {
 708         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 709         int ret;
 710         long rate;
 711
 712         if (IS_ERR(hdmi_ick)) {
 713                 ret = PTR_ERR(hdmi_ick);
 714                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 715                 goto out;
 716         }
 717
 718         ret = clk_set_parent(&pllc2_clk, &dv_clki_div2_clk);
 719         if (ret < 0) {
 720                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, pllc2_clk.usecount);
 721                 goto out;
 722         }
 723
 724         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&pllc2_clk));
 725
 726         rate = clk_round_rate(&pllc2_clk, 594000000);
 727         if (rate < 0) {
 728                 pr_err("Cannot get suitable rate: %ld\n", rate);
 729                 ret = rate;
 730                 goto out;
 731         }
 732
 733         ret = clk_set_rate(&pllc2_clk, rate);
 734         if (ret < 0) {
 735                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
 736                 goto out;
 737         }
 738
 739         pr_debug("PLLC2 set frequency %lu\n", rate);
 740
 741         ret = clk_set_parent(hdmi_ick, &pllc2_clk);
 742         if (ret < 0) {
 743                 pr_err("Cannot set HDMI parent: %d\n", ret);
 744                 goto out;
 745         }
 746
 747 out:
 748         if (!IS_ERR(hdmi_ick))
 749                 clk_put(hdmi_ick);
 750         return ret;
 751 }
 752
 753 device_initcall(hdmi_init_pm_clock);
 754
 755 /*
 756  * FIXME !!
 757  *
 758  * gpio_no_direction
 759  * gpio_pull_up
 760  * are quick_hack.
 761  *
 762  * current gpio frame work doesn't have
 763  * the method to control only pull up/down/free.
 764  * this function should be replaced by correct gpio function
 765  */
 766 static void __init gpio_no_direction(u32 addr)
 767 {
 768         __raw_writeb(0x00, addr);
 769 }
 770
 771 static void __init gpio_pull_up(u32 addr)
 772 {
 773         u8 data = __raw_readb(addr);
 774
 775         data &= 0x0F;
 776         data |= 0xC0;
 777         __raw_writeb(data, addr);
 778 }
 779
 780 /* TouchScreen */
 781 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
 782 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
 783 static int ts_get_pendown_state(void)
 784 {
 785         int val1, val2;
 786
 787         gpio_free(GPIO_FN_IRQ28_123);
 788         gpio_free(GPIO_FN_IRQ7_40);
 789
 790         gpio_request(GPIO_PORT123, NULL);
 791         gpio_request(GPIO_PORT40, NULL);
 792
 793         gpio_direction_input(GPIO_PORT123);
 794         gpio_direction_input(GPIO_PORT40);
 795
 796         val1 = gpio_get_value(GPIO_PORT123);
 797         val2 = gpio_get_value(GPIO_PORT40);
 798
 799         gpio_request(GPIO_FN_IRQ28_123, NULL);  /* for QHD */
 800         gpio_request(GPIO_FN_IRQ7_40, NULL);    /* for WVGA */
 801
 802         return val1 ^ val2;
 803 }
 804
 805 #define PORT40CR        0xE6051028
 806 #define PORT123CR       0xE605007B
 807 static int ts_init(void)
 808 {
 809         gpio_request(GPIO_FN_IRQ28_123, NULL);  /* for QHD */
 810         gpio_request(GPIO_FN_IRQ7_40, NULL);    /* for WVGA */
 811
 812         gpio_pull_up(PORT40CR);
 813         gpio_pull_up(PORT123CR);
 814
 815         return 0;
 816 }
 817
 818 static struct tsc2007_platform_data tsc2007_info = {
 819         .model                  = 2007,
 820         .x_plate_ohms           = 180,
 821         .get_pendown_state      = ts_get_pendown_state,
 822         .init_platform_hw       = ts_init,
 823 };
 824
 825 static struct i2c_board_info tsc_device = {
 826         I2C_BOARD_INFO("tsc2007", 0x48),
 827         .type           = "tsc2007",
 828         .platform_data  = &tsc2007_info,
 829         /*.irq is selected on ap4evb_init */
 830 };
 831
 832 /* I2C */
 833 static struct i2c_board_info i2c0_devices[] = {
 834         {
 835                 I2C_BOARD_INFO("ak4643", 0x13),
 836         },
 837 };
 838
 839 static struct i2c_board_info i2c1_devices[] = {
 840         {
 841                 I2C_BOARD_INFO("r2025sd", 0x32),
 842         },
 843 };
 844
 845 static struct map_desc ap4evb_io_desc[] __initdata = {
 846         /* create a 1:1 entity map for 0xe6xxxxxx
 847          * used by CPGA, INTC and PFC.
 848          */
 849         {
 850                 .virtual        = 0xe6000000,
 851                 .pfn            = __phys_to_pfn(0xe6000000),
 852                 .length         = 256 << 20,
 853                 .type           = MT_DEVICE_NONSHARED
 854         },
 855 };
 856
 857 static void __init ap4evb_map_io(void)
 858 {
 859         iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
 860
 861         /* setup early devices and console here as well */
 862         sh7372_add_early_devices();
 863         shmobile_setup_console();
 864 }
 865
 866 #define GPIO_PORT9CR    0xE6051009
 867 #define GPIO_PORT10CR   0xE605100A
 868 static void __init ap4evb_init(void)
 869 {
 870         u32 srcr4;
 871         struct clk *clk;
 872
 873         sh7372_pinmux_init();
 874
 875         /* enable SCIFA0 */
 876         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
 877         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
 878
 879         /* enable SMSC911X */
 880         gpio_request(GPIO_FN_CS5A,      NULL);
 881         gpio_request(GPIO_FN_IRQ6_39,   NULL);
 882
 883         /* enable Debug switch (S6) */
 884         gpio_request(GPIO_PORT32, NULL);
 885         gpio_request(GPIO_PORT33, NULL);
 886         gpio_request(GPIO_PORT34, NULL);
 887         gpio_request(GPIO_PORT35, NULL);
 888         gpio_direction_input(GPIO_PORT32);
 889         gpio_direction_input(GPIO_PORT33);
 890         gpio_direction_input(GPIO_PORT34);
 891         gpio_direction_input(GPIO_PORT35);
 892         gpio_export(GPIO_PORT32, 0);
 893         gpio_export(GPIO_PORT33, 0);
 894         gpio_export(GPIO_PORT34, 0);
 895         gpio_export(GPIO_PORT35, 0);
 896
 897         /* SDHI0 */
 898         gpio_request(GPIO_FN_SDHICD0, NULL);
 899         gpio_request(GPIO_FN_SDHIWP0, NULL);
 900         gpio_request(GPIO_FN_SDHICMD0, NULL);
 901         gpio_request(GPIO_FN_SDHICLK0, NULL);
 902         gpio_request(GPIO_FN_SDHID0_3, NULL);
 903         gpio_request(GPIO_FN_SDHID0_2, NULL);
 904         gpio_request(GPIO_FN_SDHID0_1, NULL);
 905         gpio_request(GPIO_FN_SDHID0_0, NULL);
 906
 907         /* SDHI1 */
 908         gpio_request(GPIO_FN_SDHICMD1, NULL);
 909         gpio_request(GPIO_FN_SDHICLK1, NULL);
 910         gpio_request(GPIO_FN_SDHID1_3, NULL);
 911         gpio_request(GPIO_FN_SDHID1_2, NULL);
 912         gpio_request(GPIO_FN_SDHID1_1, NULL);
 913         gpio_request(GPIO_FN_SDHID1_0, NULL);
 914
 915         /* MMCIF */
 916         gpio_request(GPIO_FN_MMCD0_0, NULL);
 917         gpio_request(GPIO_FN_MMCD0_1, NULL);
 918         gpio_request(GPIO_FN_MMCD0_2, NULL);
 919         gpio_request(GPIO_FN_MMCD0_3, NULL);
 920         gpio_request(GPIO_FN_MMCD0_4, NULL);
 921         gpio_request(GPIO_FN_MMCD0_5, NULL);
 922         gpio_request(GPIO_FN_MMCD0_6, NULL);
 923         gpio_request(GPIO_FN_MMCD0_7, NULL);
 924         gpio_request(GPIO_FN_MMCCMD0, NULL);
 925         gpio_request(GPIO_FN_MMCCLK0, NULL);
 926
 927         /* USB enable */
 928         gpio_request(GPIO_FN_VBUS0_1,    NULL);
 929         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
 930         gpio_request(GPIO_FN_PWEN_1_115, NULL);
 931         gpio_request(GPIO_FN_OVCN_1_114, NULL);
 932         gpio_request(GPIO_FN_EXTLP_1,    NULL);
 933         gpio_request(GPIO_FN_OVCN2_1,    NULL);
 934
 935         /* setup USB phy */
 936         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR2 */
 937
 938         /* enable FSI2 */
 939         gpio_request(GPIO_FN_FSIAIBT,   NULL);
 940         gpio_request(GPIO_FN_FSIAILR,   NULL);
 941         gpio_request(GPIO_FN_FSIAISLD,  NULL);
 942         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
 943         gpio_request(GPIO_PORT161,      NULL);
 944         gpio_direction_output(GPIO_PORT161, 0); /* slave */
 945
 946         gpio_request(GPIO_PORT9, NULL);
 947         gpio_request(GPIO_PORT10, NULL);
 948         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
 949         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
 950
 951         /* set SPU2 clock to 119.6 MHz */
 952         clk = clk_get(NULL, "spu_clk");
 953         if (!IS_ERR(clk)) {
 954                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
 955                 clk_put(clk);
 956         }
 957
 958         /* change parent of FSI A */
 959         clk = clk_get(NULL, "fsia_clk");
 960         if (!IS_ERR(clk)) {
 961                 clk_register(&fsiackcr_clk);
 962                 clk_set_parent(clk, &fsiackcr_clk);
 963                 clk_put(clk);
 964         }
 965
 966         /*
 967          * set irq priority, to avoid sound chopping
 968          * when NFS rootfs is used
 969          *  FSI(3) > SMSC911X(2)
 970          */
 971         intc_set_priority(IRQ_FSI, 3);
 972
 973         i2c_register_board_info(0, i2c0_devices,
 974                                 ARRAY_SIZE(i2c0_devices));
 975
 976         i2c_register_board_info(1, i2c1_devices,
 977                                 ARRAY_SIZE(i2c1_devices));
 978
 979 #ifdef CONFIG_AP4EVB_QHD
 980         /*
 981          * QHD
 982          */
 983
 984         /* enable KEYSC */
 985         gpio_request(GPIO_FN_KEYOUT0, NULL);
 986         gpio_request(GPIO_FN_KEYOUT1, NULL);
 987         gpio_request(GPIO_FN_KEYOUT2, NULL);
 988         gpio_request(GPIO_FN_KEYOUT3, NULL);
 989         gpio_request(GPIO_FN_KEYOUT4, NULL);
 990         gpio_request(GPIO_FN_KEYIN0_136, NULL);
 991         gpio_request(GPIO_FN_KEYIN1_135, NULL);
 992         gpio_request(GPIO_FN_KEYIN2_134, NULL);
 993         gpio_request(GPIO_FN_KEYIN3_133, NULL);
 994         gpio_request(GPIO_FN_KEYIN4,     NULL);
 995
 996         /* enable TouchScreen */
 997         set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
 998
 999         tsc_device.irq = IRQ28;
1000         i2c_register_board_info(1, &tsc_device, 1);
1001
1002         /* LCDC0 */
1003         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1004         lcdc_info.ch[0].interface_type          = RGB24;
1005         lcdc_info.ch[0].clock_divider           = 1;
1006         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1007         lcdc_info.ch[0].lcd_cfg.name            = "R63302(QHD)";
1008         lcdc_info.ch[0].lcd_cfg.xres            = 544;
1009         lcdc_info.ch[0].lcd_cfg.yres            = 961;
1010         lcdc_info.ch[0].lcd_cfg.left_margin     = 72;
1011         lcdc_info.ch[0].lcd_cfg.right_margin    = 600;
1012         lcdc_info.ch[0].lcd_cfg.hsync_len       = 16;
1013         lcdc_info.ch[0].lcd_cfg.upper_margin    = 8;
1014         lcdc_info.ch[0].lcd_cfg.lower_margin    = 8;
1015         lcdc_info.ch[0].lcd_cfg.vsync_len       = 2;
1016         lcdc_info.ch[0].lcd_cfg.sync            = FB_SYNC_VERT_HIGH_ACT |
1017                                                   FB_SYNC_HOR_HIGH_ACT;
1018         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1019         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1020
1021         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1022
1023 #else
1024         /*
1025          * WVGA
1026          */
1027         gpio_request(GPIO_FN_LCDD17,   NULL);
1028         gpio_request(GPIO_FN_LCDD16,   NULL);
1029         gpio_request(GPIO_FN_LCDD15,   NULL);
1030         gpio_request(GPIO_FN_LCDD14,   NULL);
1031         gpio_request(GPIO_FN_LCDD13,   NULL);
1032         gpio_request(GPIO_FN_LCDD12,   NULL);
1033         gpio_request(GPIO_FN_LCDD11,   NULL);
1034         gpio_request(GPIO_FN_LCDD10,   NULL);
1035         gpio_request(GPIO_FN_LCDD9,    NULL);
1036         gpio_request(GPIO_FN_LCDD8,    NULL);
1037         gpio_request(GPIO_FN_LCDD7,    NULL);
1038         gpio_request(GPIO_FN_LCDD6,    NULL);
1039         gpio_request(GPIO_FN_LCDD5,    NULL);
1040         gpio_request(GPIO_FN_LCDD4,    NULL);
1041         gpio_request(GPIO_FN_LCDD3,    NULL);
1042         gpio_request(GPIO_FN_LCDD2,    NULL);
1043         gpio_request(GPIO_FN_LCDD1,    NULL);
1044         gpio_request(GPIO_FN_LCDD0,    NULL);
1045         gpio_request(GPIO_FN_LCDDISP,  NULL);
1046         gpio_request(GPIO_FN_LCDDCK,   NULL);
1047
1048         gpio_request(GPIO_PORT189, NULL); /* backlight */
1049         gpio_direction_output(GPIO_PORT189, 1);
1050
1051         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1052         gpio_direction_output(GPIO_PORT151, 1);
1053
1054         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1055         lcdc_info.ch[0].interface_type          = RGB18;
1056         lcdc_info.ch[0].clock_divider           = 2;
1057         lcdc_info.ch[0].flags                   = 0;
1058         lcdc_info.ch[0].lcd_cfg.name            = "WVGA Panel";
1059         lcdc_info.ch[0].lcd_cfg.xres            = 800;
1060         lcdc_info.ch[0].lcd_cfg.yres            = 480;
1061         lcdc_info.ch[0].lcd_cfg.left_margin     = 220;
1062         lcdc_info.ch[0].lcd_cfg.right_margin    = 110;
1063         lcdc_info.ch[0].lcd_cfg.hsync_len       = 70;
1064         lcdc_info.ch[0].lcd_cfg.upper_margin    = 20;
1065         lcdc_info.ch[0].lcd_cfg.lower_margin    = 5;
1066         lcdc_info.ch[0].lcd_cfg.vsync_len       = 5;
1067         lcdc_info.ch[0].lcd_cfg.sync            = 0;
1068         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1069         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1070
1071         /* enable TouchScreen */
1072         set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1073
1074         tsc_device.irq = IRQ7;
1075         i2c_register_board_info(0, &tsc_device, 1);
1076 #endif /* CONFIG_AP4EVB_QHD */
1077
1078         sh7372_add_standard_devices();
1079
1080         /* HDMI */
1081         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1082         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1083
1084         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1085 #define SRCR4 0xe61580bc
1086         srcr4 = __raw_readl(SRCR4);
1087         __raw_writel(srcr4 | (1 << 13), SRCR4);
1088         udelay(50);
1089         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1090
1091         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1092 }
1093
1094 static void __init ap4evb_timer_init(void)
1095 {
1096         sh7372_clock_init();
1097         shmobile_timer.init();
1098
1099         /* External clock source */
1100         clk_set_rate(&dv_clki_clk, 27000000);
1101 }
1102
1103 static struct sys_timer ap4evb_timer = {
1104         .init           = ap4evb_timer_init,
1105 };
1106
1107 MACHINE_START(AP4EVB, "ap4evb")
1108         .map_io         = ap4evb_map_io,
1109         .init_irq       = sh7372_init_irq,
1110         .init_machine   = ap4evb_init,
1111         .timer          = &ap4evb_timer,
1112 MACHINE_END