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/tmio.h>
  28 #include <linux/mmc/host.h>
  29 #include <linux/mmc/sh_mobile_sdhi.h>
  30 #include <linux/mtd/mtd.h>
  31 #include <linux/mtd/partitions.h>
  32 #include <linux/mtd/physmap.h>
  33 #include <linux/mmc/sh_mmcif.h>
  34 #include <linux/i2c.h>
  35 #include <linux/i2c/tsc2007.h>
  36 #include <linux/io.h>
  37 #include <linux/smsc911x.h>
  38 #include <linux/sh_intc.h>
  39 #include <linux/sh_clk.h>
  40 #include <linux/gpio.h>
  41 #include <linux/input.h>
  42 #include <linux/leds.h>
  43 #include <linux/input/sh_keysc.h>
  44 #include <linux/usb/r8a66597.h>
  45
  46 #include <media/sh_mobile_ceu.h>
  47 #include <media/sh_mobile_csi2.h>
  48 #include <media/soc_camera.h>
  49
  50 #include <sound/sh_fsi.h>
  51
  52 #include <video/sh_mobile_hdmi.h>
  53 #include <video/sh_mobile_lcdc.h>
  54 #include <video/sh_mipi_dsi.h>
  55
  56 #include <mach/common.h>
  57 #include <mach/irqs.h>
  58 #include <mach/sh7372.h>
  59
  60 #include <asm/mach-types.h>
  61 #include <asm/mach/arch.h>
  62 #include <asm/mach/map.h>
  63 #include <asm/mach/time.h>
  64 #include <asm/setup.h>
  65
  66 /*
  67  * Address      Interface               BusWidth        note
  68  * ------------------------------------------------------------------
  69  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  70  * 0x0800_0000  user area               -
  71  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  72  * 0x1400_0000  Ether (LAN9220)         16bit
  73  * 0x1600_0000  user area               -               cannot use with NAND
  74  * 0x1800_0000  user area               -
  75  * 0x1A00_0000  -
  76  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  77  */
  78
  79 /*
  80  * NOR Flash ROM
  81  *
  82  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  83  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  84  * ------+------------+------+------------------
  85  *  OFF  | ON     OFF | ON   |    Area 0
  86  *  OFF  | ON     OFF | OFF  |    Area 4
  87  */
  88
  89 /*
  90  * NAND Flash ROM
  91  *
  92  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  93  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  94  * ------+------------+------+------------------
  95  *  OFF  | ON     OFF | ON   |    FCE 0
  96  *  OFF  | ON     OFF | OFF  |    FCE 1
  97  */
  98
  99 /*
 100  * SMSC 9220
 101  *
 102  *  SW1         SMSC 9220
 103  * -----------------------
 104  *  ON          access disable
 105  *  OFF         access enable
 106  */
 107
 108 /*
 109  * LCD / IRQ / KEYSC / IrDA
 110  *
 111  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 112  * LCD = 2nd LCDC (WVGA)
 113  *
 114  *              |               SW43                    |
 115  * SW3          |       ON              |       OFF     |
 116  * -------------+-----------------------+---------------+
 117  * ON           | KEY / IrDA            | LCD           |
 118  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 119  *
 120  *
 121  * QHD / WVGA display
 122  *
 123  * You can choice display type on menuconfig.
 124  * Then, check above dip-switch.
 125  */
 126
 127 /*
 128  * USB
 129  *
 130  * J7 : 1-2  MAX3355E VBUS
 131  *      2-3  DC 5.0V
 132  *
 133  * S39: bit2: off
 134  */
 135
 136 /*
 137  * FSI/FSMI
 138  *
 139  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 140  *      : OFF : Bluetooth Audio Mode
 141  */
 142
 143 /*
 144  * MMC0/SDHI1 (CN7)
 145  *
 146  * J22 : select card voltage
 147  *       1-2 pin : 1.8v
 148  *       2-3 pin : 3.3v
 149  *
 150  *        SW1  |             SW33
 151  *             | bit1 | bit2 | bit3 | bit4
 152  * ------------+------+------+------+-------
 153  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 154  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 155  *
 156  * voltage lebel
 157  * CN7 : 1.8v
 158  * CN12: 3.3v
 159  */
 160
 161 /* MTD */
 162 static struct mtd_partition nor_flash_partitions[] = {
 163         {
 164                 .name           = "loader",
 165                 .offset         = 0x00000000,
 166                 .size           = 512 * 1024,
 167                 .mask_flags     = MTD_WRITEABLE,
 168         },
 169         {
 170                 .name           = "bootenv",
 171                 .offset         = MTDPART_OFS_APPEND,
 172                 .size           = 512 * 1024,
 173                 .mask_flags     = MTD_WRITEABLE,
 174         },
 175         {
 176                 .name           = "kernel_ro",
 177                 .offset         = MTDPART_OFS_APPEND,
 178                 .size           = 8 * 1024 * 1024,
 179                 .mask_flags     = MTD_WRITEABLE,
 180         },
 181         {
 182                 .name           = "kernel",
 183                 .offset         = MTDPART_OFS_APPEND,
 184                 .size           = 8 * 1024 * 1024,
 185         },
 186         {
 187                 .name           = "data",
 188                 .offset         = MTDPART_OFS_APPEND,
 189                 .size           = MTDPART_SIZ_FULL,
 190         },
 191 };
 192
 193 static struct physmap_flash_data nor_flash_data = {
 194         .width          = 2,
 195         .parts          = nor_flash_partitions,
 196         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 197 };
 198
 199 static struct resource nor_flash_resources[] = {
 200         [0]     = {
 201                 .start  = 0x00000000,
 202                 .end    = 0x08000000 - 1,
 203                 .flags  = IORESOURCE_MEM,
 204         }
 205 };
 206
 207 static struct platform_device nor_flash_device = {
 208         .name           = "physmap-flash",
 209         .dev            = {
 210                 .platform_data  = &nor_flash_data,
 211         },
 212         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 213         .resource       = nor_flash_resources,
 214 };
 215
 216 /* SMSC 9220 */
 217 static struct resource smc911x_resources[] = {
 218         {
 219                 .start  = 0x14000000,
 220                 .end    = 0x16000000 - 1,
 221                 .flags  = IORESOURCE_MEM,
 222         }, {
 223                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 224                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 225         },
 226 };
 227
 228 static struct smsc911x_platform_config smsc911x_info = {
 229         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 230         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 231         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 232 };
 233
 234 static struct platform_device smc911x_device = {
 235         .name           = "smsc911x",
 236         .id             = -1,
 237         .num_resources  = ARRAY_SIZE(smc911x_resources),
 238         .resource       = smc911x_resources,
 239         .dev            = {
 240                 .platform_data = &smsc911x_info,
 241         },
 242 };
 243
 244 /*
 245  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
 246  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
 247  */
 248 static int slot_cn7_get_cd(struct platform_device *pdev)
 249 {
 250         return !gpio_get_value(GPIO_PORT41);
 251 }
 252
 253 /* SH_MMCIF */
 254 static struct resource sh_mmcif_resources[] = {
 255         [0] = {
 256                 .name   = "MMCIF",
 257                 .start  = 0xE6BD0000,
 258                 .end    = 0xE6BD00FF,
 259                 .flags  = IORESOURCE_MEM,
 260         },
 261         [1] = {
 262                 /* MMC ERR */
 263                 .start  = evt2irq(0x1ac0),
 264                 .flags  = IORESOURCE_IRQ,
 265         },
 266         [2] = {
 267                 /* MMC NOR */
 268                 .start  = evt2irq(0x1ae0),
 269                 .flags  = IORESOURCE_IRQ,
 270         },
 271 };
 272
 273 static struct sh_mmcif_dma sh_mmcif_dma = {
 274         .chan_priv_rx   = {
 275                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
 276         },
 277         .chan_priv_tx   = {
 278                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
 279         },
 280 };
 281
 282 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 283         .sup_pclk       = 0,
 284         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 285         .caps           = MMC_CAP_4_BIT_DATA |
 286                           MMC_CAP_8_BIT_DATA |
 287                           MMC_CAP_NEEDS_POLL,
 288         .get_cd         = slot_cn7_get_cd,
 289         .dma            = &sh_mmcif_dma,
 290 };
 291
 292 static struct platform_device sh_mmcif_device = {
 293         .name           = "sh_mmcif",
 294         .id             = 0,
 295         .dev            = {
 296                 .dma_mask               = NULL,
 297                 .coherent_dma_mask      = 0xffffffff,
 298                 .platform_data          = &sh_mmcif_plat,
 299         },
 300         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 301         .resource       = sh_mmcif_resources,
 302 };
 303
 304 /* SDHI0 */
 305 static struct sh_mobile_sdhi_info sdhi0_info = {
 306         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 307         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 308         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 309 };
 310
 311 static struct resource sdhi0_resources[] = {
 312         [0] = {
 313                 .name   = "SDHI0",
 314                 .start  = 0xe6850000,
 315                 .end    = 0xe68500ff,
 316                 .flags  = IORESOURCE_MEM,
 317         },
 318         [1] = {
 319                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 320                 .flags  = IORESOURCE_IRQ,
 321         },
 322         [2] = {
 323                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 324                 .flags  = IORESOURCE_IRQ,
 325         },
 326         [3] = {
 327                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 328                 .flags  = IORESOURCE_IRQ,
 329         },
 330 };
 331
 332 static struct platform_device sdhi0_device = {
 333         .name           = "sh_mobile_sdhi",
 334         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 335         .resource       = sdhi0_resources,
 336         .id             = 0,
 337         .dev    = {
 338                 .platform_data  = &sdhi0_info,
 339         },
 340 };
 341
 342 /* SDHI1 */
 343 static struct sh_mobile_sdhi_info sdhi1_info = {
 344         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 345         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 346         .tmio_ocr_mask  = MMC_VDD_165_195,
 347         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 348         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 349         .get_cd         = slot_cn7_get_cd,
 350 };
 351
 352 static struct resource sdhi1_resources[] = {
 353         [0] = {
 354                 .name   = "SDHI1",
 355                 .start  = 0xe6860000,
 356                 .end    = 0xe68600ff,
 357                 .flags  = IORESOURCE_MEM,
 358         },
 359         [1] = {
 360                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 361                 .flags  = IORESOURCE_IRQ,
 362         },
 363         [2] = {
 364                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 365                 .flags  = IORESOURCE_IRQ,
 366         },
 367         [3] = {
 368                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 369                 .flags  = IORESOURCE_IRQ,
 370         },
 371 };
 372
 373 static struct platform_device sdhi1_device = {
 374         .name           = "sh_mobile_sdhi",
 375         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 376         .resource       = sdhi1_resources,
 377         .id             = 1,
 378         .dev    = {
 379                 .platform_data  = &sdhi1_info,
 380         },
 381 };
 382
 383 /* USB1 */
 384 static void usb1_host_port_power(int port, int power)
 385 {
 386         if (!power) /* only power-on supported for now */
 387                 return;
 388
 389         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 390         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 391 }
 392
 393 static struct r8a66597_platdata usb1_host_data = {
 394         .on_chip        = 1,
 395         .port_power     = usb1_host_port_power,
 396 };
 397
 398 static struct resource usb1_host_resources[] = {
 399         [0] = {
 400                 .name   = "USBHS",
 401                 .start  = 0xE68B0000,
 402                 .end    = 0xE68B00E6 - 1,
 403                 .flags  = IORESOURCE_MEM,
 404         },
 405         [1] = {
 406                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 407                 .flags  = IORESOURCE_IRQ,
 408         },
 409 };
 410
 411 static struct platform_device usb1_host_device = {
 412         .name   = "r8a66597_hcd",
 413         .id     = 1,
 414         .dev = {
 415                 .dma_mask               = NULL,         /*  not use dma */
 416                 .coherent_dma_mask      = 0xffffffff,
 417                 .platform_data          = &usb1_host_data,
 418         },
 419         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 420         .resource       = usb1_host_resources,
 421 };
 422
 423 const static struct fb_videomode ap4evb_lcdc_modes[] = {
 424         {
 425 #ifdef CONFIG_AP4EVB_QHD
 426                 .name           = "R63302(QHD)",
 427                 .xres           = 544,
 428                 .yres           = 961,
 429                 .left_margin    = 72,
 430                 .right_margin   = 600,
 431                 .hsync_len      = 16,
 432                 .upper_margin   = 8,
 433                 .lower_margin   = 8,
 434                 .vsync_len      = 2,
 435                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 436 #else
 437                 .name           = "WVGA Panel",
 438                 .xres           = 800,
 439                 .yres           = 480,
 440                 .left_margin    = 220,
 441                 .right_margin   = 110,
 442                 .hsync_len      = 70,
 443                 .upper_margin   = 20,
 444                 .lower_margin   = 5,
 445                 .vsync_len      = 5,
 446                 .sync           = 0,
 447 #endif
 448         },
 449 };
 450
 451 static struct sh_mobile_lcdc_info lcdc_info = {
 452         .ch[0] = {
 453                 .chan = LCDC_CHAN_MAINLCD,
 454                 .bpp = 16,
 455                 .lcd_cfg = ap4evb_lcdc_modes,
 456                 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
 457         }
 458 };
 459
 460 static struct resource lcdc_resources[] = {
 461         [0] = {
 462                 .name   = "LCDC",
 463                 .start  = 0xfe940000, /* P4-only space */
 464                 .end    = 0xfe943fff,
 465                 .flags  = IORESOURCE_MEM,
 466         },
 467         [1] = {
 468                 .start  = intcs_evt2irq(0x580),
 469                 .flags  = IORESOURCE_IRQ,
 470         },
 471 };
 472
 473 static struct platform_device lcdc_device = {
 474         .name           = "sh_mobile_lcdc_fb",
 475         .num_resources  = ARRAY_SIZE(lcdc_resources),
 476         .resource       = lcdc_resources,
 477         .dev    = {
 478                 .platform_data  = &lcdc_info,
 479                 .coherent_dma_mask = ~0,
 480         },
 481 };
 482
 483 /*
 484  * QHD display
 485  */
 486 #ifdef CONFIG_AP4EVB_QHD
 487
 488 /* KEYSC (Needs SW43 set to ON) */
 489 static struct sh_keysc_info keysc_info = {
 490         .mode           = SH_KEYSC_MODE_1,
 491         .scan_timing    = 3,
 492         .delay          = 2500,
 493         .keycodes = {
 494                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 495                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 496                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 497                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 498                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 499         },
 500 };
 501
 502 static struct resource keysc_resources[] = {
 503         [0] = {
 504                 .name   = "KEYSC",
 505                 .start  = 0xe61b0000,
 506                 .end    = 0xe61b0063,
 507                 .flags  = IORESOURCE_MEM,
 508         },
 509         [1] = {
 510                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 511                 .flags  = IORESOURCE_IRQ,
 512         },
 513 };
 514
 515 static struct platform_device keysc_device = {
 516         .name           = "sh_keysc",
 517         .id             = 0, /* "keysc0" clock */
 518         .num_resources  = ARRAY_SIZE(keysc_resources),
 519         .resource       = keysc_resources,
 520         .dev    = {
 521                 .platform_data  = &keysc_info,
 522         },
 523 };
 524
 525 /* MIPI-DSI */
 526 static struct resource mipidsi0_resources[] = {
 527         [0] = {
 528                 .start  = 0xffc60000,
 529                 .end    = 0xffc63073,
 530                 .flags  = IORESOURCE_MEM,
 531         },
 532         [1] = {
 533                 .start  = 0xffc68000,
 534                 .end    = 0xffc680ef,
 535                 .flags  = IORESOURCE_MEM,
 536         },
 537 };
 538
 539 static struct sh_mipi_dsi_info mipidsi0_info = {
 540         .data_format    = MIPI_RGB888,
 541         .lcd_chan       = &lcdc_info.ch[0],
 542         .vsynw_offset   = 17,
 543 };
 544
 545 static struct platform_device mipidsi0_device = {
 546         .name           = "sh-mipi-dsi",
 547         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 548         .resource       = mipidsi0_resources,
 549         .id             = 0,
 550         .dev    = {
 551                 .platform_data  = &mipidsi0_info,
 552         },
 553 };
 554
 555 static struct platform_device *qhd_devices[] __initdata = {
 556         &mipidsi0_device,
 557         &keysc_device,
 558 };
 559 #endif /* CONFIG_AP4EVB_QHD */
 560
 561 /* FSI */
 562 #define IRQ_FSI         evt2irq(0x1840)
 563 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 564 {
 565         int ret = 0;
 566
 567         if (rate <= 0)
 568                 return ret;
 569
 570         if (enable) {
 571                 ret = clk_set_rate(clk, rate);
 572                 if (0 == ret)
 573                         ret = clk_enable(clk);
 574         } else {
 575                 clk_disable(clk);
 576         }
 577
 578         return ret;
 579 }
 580
 581 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 582 {
 583         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 584 }
 585
 586 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 587 {
 588         struct clk *fsia_ick;
 589         struct clk *fsiack;
 590         int ret = -EIO;
 591
 592         fsia_ick = clk_get(dev, "icka");
 593         if (IS_ERR(fsia_ick))
 594                 return PTR_ERR(fsia_ick);
 595
 596         /*
 597          * FSIACK is connected to AK4642,
 598          * and use external clock pin from it.
 599          * it is parent of fsia_ick now.
 600          */
 601         fsiack = clk_get_parent(fsia_ick);
 602         if (!fsiack)
 603                 goto fsia_ick_out;
 604
 605         /*
 606          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 607          *
 608          ** FIXME **
 609          * Because the freq_table of external clk (fsiack) are all 0,
 610          * the return value of clk_round_rate became 0.
 611          * So, it use __fsi_set_rate here.
 612          */
 613         ret = __fsi_set_rate(fsiack, rate, enable);
 614         if (ret < 0)
 615                 goto fsiack_out;
 616
 617         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 618         if ((ret < 0) && enable)
 619                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 620
 621 fsiack_out:
 622         clk_put(fsiack);
 623
 624 fsia_ick_out:
 625         clk_put(fsia_ick);
 626
 627         return 0;
 628 }
 629
 630 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 631 {
 632         struct clk *fsib_clk;
 633         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 634         long fsib_rate = 0;
 635         long fdiv_rate = 0;
 636         int ackmd_bpfmd;
 637         int ret;
 638
 639         switch (rate) {
 640         case 44100:
 641                 fsib_rate       = rate * 256;
 642                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 643                 break;
 644         case 48000:
 645                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 646                 fdiv_rate       = rate * 256;
 647                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 648                 break;
 649         default:
 650                 pr_err("unsupported rate in FSI2 port B\n");
 651                 return -EINVAL;
 652         }
 653
 654         /* FSI B setting */
 655         fsib_clk = clk_get(dev, "ickb");
 656         if (IS_ERR(fsib_clk))
 657                 return -EIO;
 658
 659         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 660         if (ret < 0)
 661                 goto fsi_set_rate_end;
 662
 663         /* FSI DIV setting */
 664         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 665         if (ret < 0) {
 666                 /* disable FSI B */
 667                 if (enable)
 668                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 669                 goto fsi_set_rate_end;
 670         }
 671
 672         ret = ackmd_bpfmd;
 673
 674 fsi_set_rate_end:
 675         clk_put(fsib_clk);
 676         return ret;
 677 }
 678
 679 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
 680 {
 681         int ret;
 682
 683         if (is_porta)
 684                 ret = fsi_ak4642_set_rate(dev, rate, enable);
 685         else
 686                 ret = fsi_hdmi_set_rate(dev, rate, enable);
 687
 688         return ret;
 689 }
 690
 691 static struct sh_fsi_platform_info fsi_info = {
 692         .porta_flags = SH_FSI_BRS_INV,
 693
 694         .portb_flags = SH_FSI_BRS_INV |
 695                        SH_FSI_BRM_INV |
 696                        SH_FSI_LRS_INV |
 697                        SH_FSI_FMT_SPDIF,
 698         .set_rate = fsi_set_rate,
 699 };
 700
 701 static struct resource fsi_resources[] = {
 702         [0] = {
 703                 .name   = "FSI",
 704                 .start  = 0xFE3C0000,
 705                 .end    = 0xFE3C0400 - 1,
 706                 .flags  = IORESOURCE_MEM,
 707         },
 708         [1] = {
 709                 .start  = IRQ_FSI,
 710                 .flags  = IORESOURCE_IRQ,
 711         },
 712 };
 713
 714 static struct platform_device fsi_device = {
 715         .name           = "sh_fsi2",
 716         .id             = -1,
 717         .num_resources  = ARRAY_SIZE(fsi_resources),
 718         .resource       = fsi_resources,
 719         .dev    = {
 720                 .platform_data  = &fsi_info,
 721         },
 722 };
 723
 724 static struct platform_device fsi_ak4643_device = {
 725         .name           = "sh_fsi2_a_ak4643",
 726 };
 727
 728 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 729         .clock_source = LCDC_CLK_EXTERNAL,
 730         .ch[0] = {
 731                 .chan = LCDC_CHAN_MAINLCD,
 732                 .bpp = 16,
 733                 .interface_type = RGB24,
 734                 .clock_divider = 1,
 735                 .flags = LCDC_FLAGS_DWPOL,
 736         }
 737 };
 738
 739 static struct resource lcdc1_resources[] = {
 740         [0] = {
 741                 .name   = "LCDC1",
 742                 .start  = 0xfe944000,
 743                 .end    = 0xfe947fff,
 744                 .flags  = IORESOURCE_MEM,
 745         },
 746         [1] = {
 747                 .start  = intcs_evt2irq(0x1780),
 748                 .flags  = IORESOURCE_IRQ,
 749         },
 750 };
 751
 752 static struct platform_device lcdc1_device = {
 753         .name           = "sh_mobile_lcdc_fb",
 754         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 755         .resource       = lcdc1_resources,
 756         .id             = 1,
 757         .dev    = {
 758                 .platform_data  = &sh_mobile_lcdc1_info,
 759                 .coherent_dma_mask = ~0,
 760         },
 761 };
 762
 763 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 764                                 unsigned long *parent_freq);
 765
 766
 767 static struct sh_mobile_hdmi_info hdmi_info = {
 768         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 769         .lcd_dev = &lcdc1_device.dev,
 770         .flags = HDMI_SND_SRC_SPDIF,
 771         .clk_optimize_parent = ap4evb_clk_optimize,
 772 };
 773
 774 static struct resource hdmi_resources[] = {
 775         [0] = {
 776                 .name   = "HDMI",
 777                 .start  = 0xe6be0000,
 778                 .end    = 0xe6be00ff,
 779                 .flags  = IORESOURCE_MEM,
 780         },
 781         [1] = {
 782                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 783                 .start  = evt2irq(0x17e0),
 784                 .flags  = IORESOURCE_IRQ,
 785         },
 786 };
 787
 788 static struct platform_device hdmi_device = {
 789         .name           = "sh-mobile-hdmi",
 790         .num_resources  = ARRAY_SIZE(hdmi_resources),
 791         .resource       = hdmi_resources,
 792         .id             = -1,
 793         .dev    = {
 794                 .platform_data  = &hdmi_info,
 795         },
 796 };
 797
 798 static struct platform_device fsi_hdmi_device = {
 799         .name           = "sh_fsi2_b_hdmi",
 800 };
 801
 802 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 803                                 unsigned long *parent_freq)
 804 {
 805         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 806         long error;
 807
 808         if (IS_ERR(hdmi_ick)) {
 809                 int ret = PTR_ERR(hdmi_ick);
 810                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 811                 return ret;
 812         }
 813
 814         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 815
 816         clk_put(hdmi_ick);
 817
 818         return error;
 819 }
 820
 821 static struct gpio_led ap4evb_leds[] = {
 822         {
 823                 .name                   = "led4",
 824                 .gpio                   = GPIO_PORT185,
 825                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 826         },
 827         {
 828                 .name                   = "led2",
 829                 .gpio                   = GPIO_PORT186,
 830                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 831         },
 832         {
 833                 .name                   = "led3",
 834                 .gpio                   = GPIO_PORT187,
 835                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 836         },
 837         {
 838                 .name                   = "led1",
 839                 .gpio                   = GPIO_PORT188,
 840                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 841         }
 842 };
 843
 844 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 845         .num_leds = ARRAY_SIZE(ap4evb_leds),
 846         .leds = ap4evb_leds,
 847 };
 848
 849 static struct platform_device leds_device = {
 850         .name = "leds-gpio",
 851         .id = 0,
 852         .dev = {
 853                 .platform_data  = &ap4evb_leds_pdata,
 854         },
 855 };
 856
 857 static struct i2c_board_info imx074_info = {
 858         I2C_BOARD_INFO("imx074", 0x1a),
 859 };
 860
 861 struct soc_camera_link imx074_link = {
 862         .bus_id         = 0,
 863         .board_info     = &imx074_info,
 864         .i2c_adapter_id = 0,
 865         .module_name    = "imx074",
 866 };
 867
 868 static struct platform_device ap4evb_camera = {
 869         .name   = "soc-camera-pdrv",
 870         .id     = 0,
 871         .dev    = {
 872                 .platform_data = &imx074_link,
 873         },
 874 };
 875
 876 static struct sh_csi2_client_config csi2_clients[] = {
 877         {
 878                 .phy            = SH_CSI2_PHY_MAIN,
 879                 .lanes          = 3,
 880                 .channel        = 0,
 881                 .pdev           = &ap4evb_camera,
 882         },
 883 };
 884
 885 static struct sh_csi2_pdata csi2_info = {
 886         .type           = SH_CSI2C,
 887         .clients        = csi2_clients,
 888         .num_clients    = ARRAY_SIZE(csi2_clients),
 889         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
 890 };
 891
 892 static struct resource csi2_resources[] = {
 893         [0] = {
 894                 .name   = "CSI2",
 895                 .start  = 0xffc90000,
 896                 .end    = 0xffc90fff,
 897                 .flags  = IORESOURCE_MEM,
 898         },
 899         [1] = {
 900                 .start  = intcs_evt2irq(0x17a0),
 901                 .flags  = IORESOURCE_IRQ,
 902         },
 903 };
 904
 905 static struct platform_device csi2_device = {
 906         .name   = "sh-mobile-csi2",
 907         .id     = 0,
 908         .num_resources  = ARRAY_SIZE(csi2_resources),
 909         .resource       = csi2_resources,
 910         .dev    = {
 911                 .platform_data = &csi2_info,
 912         },
 913 };
 914
 915 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 916         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
 917         .csi2_dev = &csi2_device.dev,
 918 };
 919
 920 static struct resource ceu_resources[] = {
 921         [0] = {
 922                 .name   = "CEU",
 923                 .start  = 0xfe910000,
 924                 .end    = 0xfe91009f,
 925                 .flags  = IORESOURCE_MEM,
 926         },
 927         [1] = {
 928                 .start  = intcs_evt2irq(0x880),
 929                 .flags  = IORESOURCE_IRQ,
 930         },
 931         [2] = {
 932                 /* place holder for contiguous memory */
 933         },
 934 };
 935
 936 static struct platform_device ceu_device = {
 937         .name           = "sh_mobile_ceu",
 938         .id             = 0, /* "ceu0" clock */
 939         .num_resources  = ARRAY_SIZE(ceu_resources),
 940         .resource       = ceu_resources,
 941         .dev    = {
 942                 .platform_data          = &sh_mobile_ceu_info,
 943                 .coherent_dma_mask      = 0xffffffff,
 944         },
 945 };
 946
 947 static struct platform_device *ap4evb_devices[] __initdata = {
 948         &leds_device,
 949         &nor_flash_device,
 950         &smc911x_device,
 951         &sdhi0_device,
 952         &sdhi1_device,
 953         &usb1_host_device,
 954         &fsi_device,
 955         &fsi_ak4643_device,
 956         &fsi_hdmi_device,
 957         &sh_mmcif_device,
 958         &lcdc1_device,
 959         &lcdc_device,
 960         &hdmi_device,
 961         &csi2_device,
 962         &ceu_device,
 963         &ap4evb_camera,
 964 };
 965
 966 static void __init hdmi_init_pm_clock(void)
 967 {
 968         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 969         int ret;
 970         long rate;
 971
 972         if (IS_ERR(hdmi_ick)) {
 973                 ret = PTR_ERR(hdmi_ick);
 974                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 975                 goto out;
 976         }
 977
 978         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
 979         if (ret < 0) {
 980                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
 981                 goto out;
 982         }
 983
 984         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
 985
 986         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
 987         if (rate < 0) {
 988                 pr_err("Cannot get suitable rate: %ld\n", rate);
 989                 ret = rate;
 990                 goto out;
 991         }
 992
 993         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
 994         if (ret < 0) {
 995                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
 996                 goto out;
 997         }
 998
 999         pr_debug("PLLC2 set frequency %lu\n", rate);
1000
1001         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1002         if (ret < 0)
1003                 pr_err("Cannot set HDMI parent: %d\n", ret);
1004
1005 out:
1006         if (!IS_ERR(hdmi_ick))
1007                 clk_put(hdmi_ick);
1008 }
1009
1010 static void __init fsi_init_pm_clock(void)
1011 {
1012         struct clk *fsia_ick;
1013         int ret;
1014
1015         fsia_ick = clk_get(&fsi_device.dev, "icka");
1016         if (IS_ERR(fsia_ick)) {
1017                 ret = PTR_ERR(fsia_ick);
1018                 pr_err("Cannot get FSI ICK: %d\n", ret);
1019                 return;
1020         }
1021
1022         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1023         if (ret < 0)
1024                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1025
1026         clk_put(fsia_ick);
1027 }
1028
1029 /*
1030  * FIXME !!
1031  *
1032  * gpio_no_direction
1033  * are quick_hack.
1034  *
1035  * current gpio frame work doesn't have
1036  * the method to control only pull up/down/free.
1037  * this function should be replaced by correct gpio function
1038  */
1039 static void __init gpio_no_direction(u32 addr)
1040 {
1041         __raw_writeb(0x00, addr);
1042 }
1043
1044 /* TouchScreen */
1045 #ifdef CONFIG_AP4EVB_QHD
1046 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1047 # define GPIO_TSC_PORT  GPIO_PORT123
1048 #else /* WVGA */
1049 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1050 # define GPIO_TSC_PORT  GPIO_PORT40
1051 #endif
1052
1053 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1054 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1055 static int ts_get_pendown_state(void)
1056 {
1057         int val;
1058
1059         gpio_free(GPIO_TSC_IRQ);
1060
1061         gpio_request(GPIO_TSC_PORT, NULL);
1062
1063         gpio_direction_input(GPIO_TSC_PORT);
1064
1065         val = gpio_get_value(GPIO_TSC_PORT);
1066
1067         gpio_request(GPIO_TSC_IRQ, NULL);
1068
1069         return !val;
1070 }
1071
1072 static int ts_init(void)
1073 {
1074         gpio_request(GPIO_TSC_IRQ, NULL);
1075
1076         return 0;
1077 }
1078
1079 static struct tsc2007_platform_data tsc2007_info = {
1080         .model                  = 2007,
1081         .x_plate_ohms           = 180,
1082         .get_pendown_state      = ts_get_pendown_state,
1083         .init_platform_hw       = ts_init,
1084 };
1085
1086 static struct i2c_board_info tsc_device = {
1087         I2C_BOARD_INFO("tsc2007", 0x48),
1088         .type           = "tsc2007",
1089         .platform_data  = &tsc2007_info,
1090         /*.irq is selected on ap4evb_init */
1091 };
1092
1093 /* I2C */
1094 static struct i2c_board_info i2c0_devices[] = {
1095         {
1096                 I2C_BOARD_INFO("ak4643", 0x13),
1097         },
1098 };
1099
1100 static struct i2c_board_info i2c1_devices[] = {
1101         {
1102                 I2C_BOARD_INFO("r2025sd", 0x32),
1103         },
1104 };
1105
1106 static struct map_desc ap4evb_io_desc[] __initdata = {
1107         /* create a 1:1 entity map for 0xe6xxxxxx
1108          * used by CPGA, INTC and PFC.
1109          */
1110         {
1111                 .virtual        = 0xe6000000,
1112                 .pfn            = __phys_to_pfn(0xe6000000),
1113                 .length         = 256 << 20,
1114                 .type           = MT_DEVICE_NONSHARED
1115         },
1116 };
1117
1118 static void __init ap4evb_map_io(void)
1119 {
1120         iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1121
1122         /* setup early devices and console here as well */
1123         sh7372_add_early_devices();
1124         shmobile_setup_console();
1125 }
1126
1127 #define GPIO_PORT9CR    0xE6051009
1128 #define GPIO_PORT10CR   0xE605100A
1129 #define USCCR1          0xE6058144
1130 static void __init ap4evb_init(void)
1131 {
1132         u32 srcr4;
1133         struct clk *clk;
1134
1135         sh7372_pinmux_init();
1136
1137         /* enable SCIFA0 */
1138         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1139         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1140
1141         /* enable SMSC911X */
1142         gpio_request(GPIO_FN_CS5A,      NULL);
1143         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1144
1145         /* enable Debug switch (S6) */
1146         gpio_request(GPIO_PORT32, NULL);
1147         gpio_request(GPIO_PORT33, NULL);
1148         gpio_request(GPIO_PORT34, NULL);
1149         gpio_request(GPIO_PORT35, NULL);
1150         gpio_direction_input(GPIO_PORT32);
1151         gpio_direction_input(GPIO_PORT33);
1152         gpio_direction_input(GPIO_PORT34);
1153         gpio_direction_input(GPIO_PORT35);
1154         gpio_export(GPIO_PORT32, 0);
1155         gpio_export(GPIO_PORT33, 0);
1156         gpio_export(GPIO_PORT34, 0);
1157         gpio_export(GPIO_PORT35, 0);
1158
1159         /* SDHI0 */
1160         gpio_request(GPIO_FN_SDHICD0, NULL);
1161         gpio_request(GPIO_FN_SDHIWP0, NULL);
1162         gpio_request(GPIO_FN_SDHICMD0, NULL);
1163         gpio_request(GPIO_FN_SDHICLK0, NULL);
1164         gpio_request(GPIO_FN_SDHID0_3, NULL);
1165         gpio_request(GPIO_FN_SDHID0_2, NULL);
1166         gpio_request(GPIO_FN_SDHID0_1, NULL);
1167         gpio_request(GPIO_FN_SDHID0_0, NULL);
1168
1169         /* SDHI1 */
1170         gpio_request(GPIO_FN_SDHICMD1, NULL);
1171         gpio_request(GPIO_FN_SDHICLK1, NULL);
1172         gpio_request(GPIO_FN_SDHID1_3, NULL);
1173         gpio_request(GPIO_FN_SDHID1_2, NULL);
1174         gpio_request(GPIO_FN_SDHID1_1, NULL);
1175         gpio_request(GPIO_FN_SDHID1_0, NULL);
1176
1177         /* MMCIF */
1178         gpio_request(GPIO_FN_MMCD0_0, NULL);
1179         gpio_request(GPIO_FN_MMCD0_1, NULL);
1180         gpio_request(GPIO_FN_MMCD0_2, NULL);
1181         gpio_request(GPIO_FN_MMCD0_3, NULL);
1182         gpio_request(GPIO_FN_MMCD0_4, NULL);
1183         gpio_request(GPIO_FN_MMCD0_5, NULL);
1184         gpio_request(GPIO_FN_MMCD0_6, NULL);
1185         gpio_request(GPIO_FN_MMCD0_7, NULL);
1186         gpio_request(GPIO_FN_MMCCMD0, NULL);
1187         gpio_request(GPIO_FN_MMCCLK0, NULL);
1188
1189         /* USB enable */
1190         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1191         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1192         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1193         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1194         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1195         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1196
1197         /* setup USB phy */
1198         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1199
1200         /* enable FSI2 port A (ak4643) */
1201         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1202         gpio_request(GPIO_FN_FSIAILR,   NULL);
1203         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1204         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1205         gpio_request(GPIO_PORT161,      NULL);
1206         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1207
1208         gpio_request(GPIO_PORT9, NULL);
1209         gpio_request(GPIO_PORT10, NULL);
1210         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1211         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1212
1213         /* card detect pin for MMC slot (CN7) */
1214         gpio_request(GPIO_PORT41, NULL);
1215         gpio_direction_input(GPIO_PORT41);
1216
1217         /* setup FSI2 port B (HDMI) */
1218         gpio_request(GPIO_FN_FSIBCK, NULL);
1219         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1220
1221         /* set SPU2 clock to 119.6 MHz */
1222         clk = clk_get(NULL, "spu_clk");
1223         if (!IS_ERR(clk)) {
1224                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1225                 clk_put(clk);
1226         }
1227
1228         /*
1229          * set irq priority, to avoid sound chopping
1230          * when NFS rootfs is used
1231          *  FSI(3) > SMSC911X(2)
1232          */
1233         intc_set_priority(IRQ_FSI, 3);
1234
1235         i2c_register_board_info(0, i2c0_devices,
1236                                 ARRAY_SIZE(i2c0_devices));
1237
1238         i2c_register_board_info(1, i2c1_devices,
1239                                 ARRAY_SIZE(i2c1_devices));
1240
1241 #ifdef CONFIG_AP4EVB_QHD
1242
1243         /*
1244          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1245          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1246          */
1247
1248         /* enable KEYSC */
1249         gpio_request(GPIO_FN_KEYOUT0, NULL);
1250         gpio_request(GPIO_FN_KEYOUT1, NULL);
1251         gpio_request(GPIO_FN_KEYOUT2, NULL);
1252         gpio_request(GPIO_FN_KEYOUT3, NULL);
1253         gpio_request(GPIO_FN_KEYOUT4, NULL);
1254         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1255         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1256         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1257         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1258         gpio_request(GPIO_FN_KEYIN4,     NULL);
1259
1260         /* enable TouchScreen */
1261         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1262
1263         tsc_device.irq = IRQ28;
1264         i2c_register_board_info(1, &tsc_device, 1);
1265
1266         /* LCDC0 */
1267         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1268         lcdc_info.ch[0].interface_type          = RGB24;
1269         lcdc_info.ch[0].clock_divider           = 1;
1270         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1271         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1272         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1273
1274         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1275
1276 #else
1277         /*
1278          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1279          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1280          */
1281
1282         gpio_request(GPIO_FN_LCDD17,   NULL);
1283         gpio_request(GPIO_FN_LCDD16,   NULL);
1284         gpio_request(GPIO_FN_LCDD15,   NULL);
1285         gpio_request(GPIO_FN_LCDD14,   NULL);
1286         gpio_request(GPIO_FN_LCDD13,   NULL);
1287         gpio_request(GPIO_FN_LCDD12,   NULL);
1288         gpio_request(GPIO_FN_LCDD11,   NULL);
1289         gpio_request(GPIO_FN_LCDD10,   NULL);
1290         gpio_request(GPIO_FN_LCDD9,    NULL);
1291         gpio_request(GPIO_FN_LCDD8,    NULL);
1292         gpio_request(GPIO_FN_LCDD7,    NULL);
1293         gpio_request(GPIO_FN_LCDD6,    NULL);
1294         gpio_request(GPIO_FN_LCDD5,    NULL);
1295         gpio_request(GPIO_FN_LCDD4,    NULL);
1296         gpio_request(GPIO_FN_LCDD3,    NULL);
1297         gpio_request(GPIO_FN_LCDD2,    NULL);
1298         gpio_request(GPIO_FN_LCDD1,    NULL);
1299         gpio_request(GPIO_FN_LCDD0,    NULL);
1300         gpio_request(GPIO_FN_LCDDISP,  NULL);
1301         gpio_request(GPIO_FN_LCDDCK,   NULL);
1302
1303         gpio_request(GPIO_PORT189, NULL); /* backlight */
1304         gpio_direction_output(GPIO_PORT189, 1);
1305
1306         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1307         gpio_direction_output(GPIO_PORT151, 1);
1308
1309         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1310         lcdc_info.ch[0].interface_type          = RGB18;
1311         lcdc_info.ch[0].clock_divider           = 3;
1312         lcdc_info.ch[0].flags                   = 0;
1313         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1314         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1315
1316         /* enable TouchScreen */
1317         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1318
1319         tsc_device.irq = IRQ7;
1320         i2c_register_board_info(0, &tsc_device, 1);
1321 #endif /* CONFIG_AP4EVB_QHD */
1322
1323         /* CEU */
1324
1325         /*
1326          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1327          * becomes available
1328          */
1329
1330         /* MIPI-CSI stuff */
1331         gpio_request(GPIO_FN_VIO_CKO, NULL);
1332
1333         clk = clk_get(NULL, "vck1_clk");
1334         if (!IS_ERR(clk)) {
1335                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1336                 clk_enable(clk);
1337                 clk_put(clk);
1338         }
1339
1340         sh7372_add_standard_devices();
1341
1342         /* HDMI */
1343         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1344         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1345
1346         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1347 #define SRCR4 0xe61580bc
1348         srcr4 = __raw_readl(SRCR4);
1349         __raw_writel(srcr4 | (1 << 13), SRCR4);
1350         udelay(50);
1351         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1352
1353         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1354
1355         hdmi_init_pm_clock();
1356         fsi_init_pm_clock();
1357         sh7372_pm_init();
1358 }
1359
1360 static void __init ap4evb_timer_init(void)
1361 {
1362         sh7372_clock_init();
1363         shmobile_timer.init();
1364
1365         /* External clock source */
1366         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1367 }
1368
1369 static struct sys_timer ap4evb_timer = {
1370         .init           = ap4evb_timer_init,
1371 };
1372
1373 MACHINE_START(AP4EVB, "ap4evb")
1374         .map_io         = ap4evb_map_io,
1375         .init_irq       = sh7372_init_irq,
1376         .handle_irq     = shmobile_handle_irq_intc,
1377         .init_machine   = ap4evb_init,
1378         .timer          = &ap4evb_timer,
1379 MACHINE_END