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 #include <linux/pm_clock.h>
  46 #include <linux/dma-mapping.h>
  47
  48 #include <media/sh_mobile_ceu.h>
  49 #include <media/sh_mobile_csi2.h>
  50 #include <media/soc_camera.h>
  51
  52 #include <sound/sh_fsi.h>
  53
  54 #include <video/sh_mobile_hdmi.h>
  55 #include <video/sh_mobile_lcdc.h>
  56 #include <video/sh_mipi_dsi.h>
  57
  58 #include <mach/common.h>
  59 #include <mach/irqs.h>
  60 #include <mach/sh7372.h>
  61
  62 #include <asm/mach-types.h>
  63 #include <asm/mach/arch.h>
  64 #include <asm/mach/map.h>
  65 #include <asm/mach/time.h>
  66 #include <asm/setup.h>
  67
  68 /*
  69  * Address      Interface               BusWidth        note
  70  * ------------------------------------------------------------------
  71  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  72  * 0x0800_0000  user area               -
  73  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  74  * 0x1400_0000  Ether (LAN9220)         16bit
  75  * 0x1600_0000  user area               -               cannot use with NAND
  76  * 0x1800_0000  user area               -
  77  * 0x1A00_0000  -
  78  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  79  */
  80
  81 /*
  82  * NOR Flash ROM
  83  *
  84  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  85  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  86  * ------+------------+------+------------------
  87  *  OFF  | ON     OFF | ON   |    Area 0
  88  *  OFF  | ON     OFF | OFF  |    Area 4
  89  */
  90
  91 /*
  92  * NAND Flash ROM
  93  *
  94  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  95  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  96  * ------+------------+------+------------------
  97  *  OFF  | ON     OFF | ON   |    FCE 0
  98  *  OFF  | ON     OFF | OFF  |    FCE 1
  99  */
 100
 101 /*
 102  * SMSC 9220
 103  *
 104  *  SW1         SMSC 9220
 105  * -----------------------
 106  *  ON          access disable
 107  *  OFF         access enable
 108  */
 109
 110 /*
 111  * LCD / IRQ / KEYSC / IrDA
 112  *
 113  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 114  * LCD = 2nd LCDC (WVGA)
 115  *
 116  *              |               SW43                    |
 117  * SW3          |       ON              |       OFF     |
 118  * -------------+-----------------------+---------------+
 119  * ON           | KEY / IrDA            | LCD           |
 120  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 121  *
 122  *
 123  * QHD / WVGA display
 124  *
 125  * You can choice display type on menuconfig.
 126  * Then, check above dip-switch.
 127  */
 128
 129 /*
 130  * USB
 131  *
 132  * J7 : 1-2  MAX3355E VBUS
 133  *      2-3  DC 5.0V
 134  *
 135  * S39: bit2: off
 136  */
 137
 138 /*
 139  * FSI/FSMI
 140  *
 141  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 142  *      : OFF : Bluetooth Audio Mode
 143  */
 144
 145 /*
 146  * MMC0/SDHI1 (CN7)
 147  *
 148  * J22 : select card voltage
 149  *       1-2 pin : 1.8v
 150  *       2-3 pin : 3.3v
 151  *
 152  *        SW1  |             SW33
 153  *             | bit1 | bit2 | bit3 | bit4
 154  * ------------+------+------+------+-------
 155  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 156  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 157  *
 158  * voltage lebel
 159  * CN7 : 1.8v
 160  * CN12: 3.3v
 161  */
 162
 163 /* MTD */
 164 static struct mtd_partition nor_flash_partitions[] = {
 165         {
 166                 .name           = "loader",
 167                 .offset         = 0x00000000,
 168                 .size           = 512 * 1024,
 169                 .mask_flags     = MTD_WRITEABLE,
 170         },
 171         {
 172                 .name           = "bootenv",
 173                 .offset         = MTDPART_OFS_APPEND,
 174                 .size           = 512 * 1024,
 175                 .mask_flags     = MTD_WRITEABLE,
 176         },
 177         {
 178                 .name           = "kernel_ro",
 179                 .offset         = MTDPART_OFS_APPEND,
 180                 .size           = 8 * 1024 * 1024,
 181                 .mask_flags     = MTD_WRITEABLE,
 182         },
 183         {
 184                 .name           = "kernel",
 185                 .offset         = MTDPART_OFS_APPEND,
 186                 .size           = 8 * 1024 * 1024,
 187         },
 188         {
 189                 .name           = "data",
 190                 .offset         = MTDPART_OFS_APPEND,
 191                 .size           = MTDPART_SIZ_FULL,
 192         },
 193 };
 194
 195 static struct physmap_flash_data nor_flash_data = {
 196         .width          = 2,
 197         .parts          = nor_flash_partitions,
 198         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 199 };
 200
 201 static struct resource nor_flash_resources[] = {
 202         [0]     = {
 203                 .start  = 0x20000000, /* CS0 shadow instead of regular CS0 */
 204                 .end    = 0x28000000 - 1, /* needed by USB MASK ROM boot */
 205                 .flags  = IORESOURCE_MEM,
 206         }
 207 };
 208
 209 static struct platform_device nor_flash_device = {
 210         .name           = "physmap-flash",
 211         .dev            = {
 212                 .platform_data  = &nor_flash_data,
 213         },
 214         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 215         .resource       = nor_flash_resources,
 216 };
 217
 218 /* SMSC 9220 */
 219 static struct resource smc911x_resources[] = {
 220         {
 221                 .start  = 0x14000000,
 222                 .end    = 0x16000000 - 1,
 223                 .flags  = IORESOURCE_MEM,
 224         }, {
 225                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 226                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 227         },
 228 };
 229
 230 static struct smsc911x_platform_config smsc911x_info = {
 231         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 232         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 233         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 234 };
 235
 236 static struct platform_device smc911x_device = {
 237         .name           = "smsc911x",
 238         .id             = -1,
 239         .num_resources  = ARRAY_SIZE(smc911x_resources),
 240         .resource       = smc911x_resources,
 241         .dev            = {
 242                 .platform_data = &smsc911x_info,
 243         },
 244 };
 245
 246 /*
 247  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
 248  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
 249  */
 250 static int slot_cn7_get_cd(struct platform_device *pdev)
 251 {
 252         return !gpio_get_value(GPIO_PORT41);
 253 }
 254 /* MERAM */
 255 static struct sh_mobile_meram_info meram_info = {
 256         .addr_mode      = SH_MOBILE_MERAM_MODE1,
 257 };
 258
 259 static struct resource meram_resources[] = {
 260         [0] = {
 261                 .name   = "MERAM",
 262                 .start  = 0xe8000000,
 263                 .end    = 0xe81fffff,
 264                 .flags  = IORESOURCE_MEM,
 265         },
 266 };
 267
 268 static struct platform_device meram_device = {
 269         .name           = "sh_mobile_meram",
 270         .id             = 0,
 271         .num_resources  = ARRAY_SIZE(meram_resources),
 272         .resource       = meram_resources,
 273         .dev            = {
 274                 .platform_data = &meram_info,
 275         },
 276 };
 277
 278 /* SH_MMCIF */
 279 static struct resource sh_mmcif_resources[] = {
 280         [0] = {
 281                 .name   = "MMCIF",
 282                 .start  = 0xE6BD0000,
 283                 .end    = 0xE6BD00FF,
 284                 .flags  = IORESOURCE_MEM,
 285         },
 286         [1] = {
 287                 /* MMC ERR */
 288                 .start  = evt2irq(0x1ac0),
 289                 .flags  = IORESOURCE_IRQ,
 290         },
 291         [2] = {
 292                 /* MMC NOR */
 293                 .start  = evt2irq(0x1ae0),
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296 };
 297
 298 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 299         .sup_pclk       = 0,
 300         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 301         .caps           = MMC_CAP_4_BIT_DATA |
 302                           MMC_CAP_8_BIT_DATA |
 303                           MMC_CAP_NEEDS_POLL,
 304         .get_cd         = slot_cn7_get_cd,
 305         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 306         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 307 };
 308
 309 static struct platform_device sh_mmcif_device = {
 310         .name           = "sh_mmcif",
 311         .id             = 0,
 312         .dev            = {
 313                 .dma_mask               = NULL,
 314                 .coherent_dma_mask      = 0xffffffff,
 315                 .platform_data          = &sh_mmcif_plat,
 316         },
 317         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 318         .resource       = sh_mmcif_resources,
 319 };
 320
 321 /* SDHI0 */
 322 static struct sh_mobile_sdhi_info sdhi0_info = {
 323         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 324         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 325         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 326 };
 327
 328 static struct resource sdhi0_resources[] = {
 329         [0] = {
 330                 .name   = "SDHI0",
 331                 .start  = 0xe6850000,
 332                 .end    = 0xe68500ff,
 333                 .flags  = IORESOURCE_MEM,
 334         },
 335         [1] = {
 336                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 337                 .flags  = IORESOURCE_IRQ,
 338         },
 339         [2] = {
 340                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 341                 .flags  = IORESOURCE_IRQ,
 342         },
 343         [3] = {
 344                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 345                 .flags  = IORESOURCE_IRQ,
 346         },
 347 };
 348
 349 static struct platform_device sdhi0_device = {
 350         .name           = "sh_mobile_sdhi",
 351         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 352         .resource       = sdhi0_resources,
 353         .id             = 0,
 354         .dev    = {
 355                 .platform_data  = &sdhi0_info,
 356         },
 357 };
 358
 359 /* SDHI1 */
 360 static struct sh_mobile_sdhi_info sdhi1_info = {
 361         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 362         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 363         .tmio_ocr_mask  = MMC_VDD_165_195,
 364         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 365         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 366         .get_cd         = slot_cn7_get_cd,
 367 };
 368
 369 static struct resource sdhi1_resources[] = {
 370         [0] = {
 371                 .name   = "SDHI1",
 372                 .start  = 0xe6860000,
 373                 .end    = 0xe68600ff,
 374                 .flags  = IORESOURCE_MEM,
 375         },
 376         [1] = {
 377                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 378                 .flags  = IORESOURCE_IRQ,
 379         },
 380         [2] = {
 381                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 382                 .flags  = IORESOURCE_IRQ,
 383         },
 384         [3] = {
 385                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 386                 .flags  = IORESOURCE_IRQ,
 387         },
 388 };
 389
 390 static struct platform_device sdhi1_device = {
 391         .name           = "sh_mobile_sdhi",
 392         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 393         .resource       = sdhi1_resources,
 394         .id             = 1,
 395         .dev    = {
 396                 .platform_data  = &sdhi1_info,
 397         },
 398 };
 399
 400 /* USB1 */
 401 static void usb1_host_port_power(int port, int power)
 402 {
 403         if (!power) /* only power-on supported for now */
 404                 return;
 405
 406         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 407         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 408 }
 409
 410 static struct r8a66597_platdata usb1_host_data = {
 411         .on_chip        = 1,
 412         .port_power     = usb1_host_port_power,
 413 };
 414
 415 static struct resource usb1_host_resources[] = {
 416         [0] = {
 417                 .name   = "USBHS",
 418                 .start  = 0xE68B0000,
 419                 .end    = 0xE68B00E6 - 1,
 420                 .flags  = IORESOURCE_MEM,
 421         },
 422         [1] = {
 423                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 424                 .flags  = IORESOURCE_IRQ,
 425         },
 426 };
 427
 428 static struct platform_device usb1_host_device = {
 429         .name   = "r8a66597_hcd",
 430         .id     = 1,
 431         .dev = {
 432                 .dma_mask               = NULL,         /*  not use dma */
 433                 .coherent_dma_mask      = 0xffffffff,
 434                 .platform_data          = &usb1_host_data,
 435         },
 436         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 437         .resource       = usb1_host_resources,
 438 };
 439
 440 static const struct fb_videomode ap4evb_lcdc_modes[] = {
 441         {
 442 #ifdef CONFIG_AP4EVB_QHD
 443                 .name           = "R63302(QHD)",
 444                 .xres           = 544,
 445                 .yres           = 961,
 446                 .left_margin    = 72,
 447                 .right_margin   = 600,
 448                 .hsync_len      = 16,
 449                 .upper_margin   = 8,
 450                 .lower_margin   = 8,
 451                 .vsync_len      = 2,
 452                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 453 #else
 454                 .name           = "WVGA Panel",
 455                 .xres           = 800,
 456                 .yres           = 480,
 457                 .left_margin    = 220,
 458                 .right_margin   = 110,
 459                 .hsync_len      = 70,
 460                 .upper_margin   = 20,
 461                 .lower_margin   = 5,
 462                 .vsync_len      = 5,
 463                 .sync           = 0,
 464 #endif
 465         },
 466 };
 467 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
 468         .icb[0] = {
 469                 .marker_icb     = 28,
 470                 .cache_icb      = 24,
 471                 .meram_offset   = 0x0,
 472                 .meram_size     = 0x40,
 473         },
 474         .icb[1] = {
 475                 .marker_icb     = 29,
 476                 .cache_icb      = 25,
 477                 .meram_offset   = 0x40,
 478                 .meram_size     = 0x40,
 479         },
 480 };
 481
 482 static struct sh_mobile_lcdc_info lcdc_info = {
 483         .meram_dev = &meram_info,
 484         .ch[0] = {
 485                 .chan = LCDC_CHAN_MAINLCD,
 486                 .fourcc = V4L2_PIX_FMT_RGB565,
 487                 .lcd_cfg = ap4evb_lcdc_modes,
 488                 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
 489                 .meram_cfg = &lcd_meram_cfg,
 490         }
 491 };
 492
 493 static struct resource lcdc_resources[] = {
 494         [0] = {
 495                 .name   = "LCDC",
 496                 .start  = 0xfe940000, /* P4-only space */
 497                 .end    = 0xfe943fff,
 498                 .flags  = IORESOURCE_MEM,
 499         },
 500         [1] = {
 501                 .start  = intcs_evt2irq(0x580),
 502                 .flags  = IORESOURCE_IRQ,
 503         },
 504 };
 505
 506 static struct platform_device lcdc_device = {
 507         .name           = "sh_mobile_lcdc_fb",
 508         .num_resources  = ARRAY_SIZE(lcdc_resources),
 509         .resource       = lcdc_resources,
 510         .dev    = {
 511                 .platform_data  = &lcdc_info,
 512                 .coherent_dma_mask = ~0,
 513         },
 514 };
 515
 516 /*
 517  * QHD display
 518  */
 519 #ifdef CONFIG_AP4EVB_QHD
 520
 521 /* KEYSC (Needs SW43 set to ON) */
 522 static struct sh_keysc_info keysc_info = {
 523         .mode           = SH_KEYSC_MODE_1,
 524         .scan_timing    = 3,
 525         .delay          = 2500,
 526         .keycodes = {
 527                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 528                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 529                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 530                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 531                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 532         },
 533 };
 534
 535 static struct resource keysc_resources[] = {
 536         [0] = {
 537                 .name   = "KEYSC",
 538                 .start  = 0xe61b0000,
 539                 .end    = 0xe61b0063,
 540                 .flags  = IORESOURCE_MEM,
 541         },
 542         [1] = {
 543                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 544                 .flags  = IORESOURCE_IRQ,
 545         },
 546 };
 547
 548 static struct platform_device keysc_device = {
 549         .name           = "sh_keysc",
 550         .id             = 0, /* "keysc0" clock */
 551         .num_resources  = ARRAY_SIZE(keysc_resources),
 552         .resource       = keysc_resources,
 553         .dev    = {
 554                 .platform_data  = &keysc_info,
 555         },
 556 };
 557
 558 /* MIPI-DSI */
 559 #define PHYCTRL         0x0070
 560 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 561                                  void __iomem *base,
 562                                  int enable)
 563 {
 564         struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
 565         void __iomem *phy =  base + PHYCTRL;
 566
 567         if (IS_ERR(pck))
 568                 return PTR_ERR(pck);
 569
 570         if (enable) {
 571                 clk_set_rate(pck, clk_round_rate(pck, 24000000));
 572                 iowrite32(ioread32(phy) | (0xb << 8), phy);
 573                 clk_enable(pck);
 574         } else {
 575                 clk_disable(pck);
 576         }
 577
 578         clk_put(pck);
 579
 580         return 0;
 581 }
 582
 583 static struct resource mipidsi0_resources[] = {
 584         [0] = {
 585                 .start  = 0xffc60000,
 586                 .end    = 0xffc63073,
 587                 .flags  = IORESOURCE_MEM,
 588         },
 589         [1] = {
 590                 .start  = 0xffc68000,
 591                 .end    = 0xffc680ef,
 592                 .flags  = IORESOURCE_MEM,
 593         },
 594 };
 595
 596 static struct sh_mipi_dsi_info mipidsi0_info = {
 597         .data_format    = MIPI_RGB888,
 598         .lcd_chan       = &lcdc_info.ch[0],
 599         .lane           = 2,
 600         .vsynw_offset   = 17,
 601         .flags          = SH_MIPI_DSI_SYNC_PULSES_MODE |
 602                           SH_MIPI_DSI_HSbyteCLK,
 603         .set_dot_clock  = sh_mipi_set_dot_clock,
 604 };
 605
 606 static struct platform_device mipidsi0_device = {
 607         .name           = "sh-mipi-dsi",
 608         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 609         .resource       = mipidsi0_resources,
 610         .id             = 0,
 611         .dev    = {
 612                 .platform_data  = &mipidsi0_info,
 613         },
 614 };
 615
 616 static struct platform_device *qhd_devices[] __initdata = {
 617         &mipidsi0_device,
 618         &keysc_device,
 619 };
 620 #endif /* CONFIG_AP4EVB_QHD */
 621
 622 /* FSI */
 623 #define IRQ_FSI         evt2irq(0x1840)
 624 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 625 {
 626         int ret = 0;
 627
 628         if (rate <= 0)
 629                 return ret;
 630
 631         if (enable) {
 632                 ret = clk_set_rate(clk, rate);
 633                 if (0 == ret)
 634                         ret = clk_enable(clk);
 635         } else {
 636                 clk_disable(clk);
 637         }
 638
 639         return ret;
 640 }
 641
 642 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 643 {
 644         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 645 }
 646
 647 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 648 {
 649         struct clk *fsia_ick;
 650         struct clk *fsiack;
 651         int ret = -EIO;
 652
 653         fsia_ick = clk_get(dev, "icka");
 654         if (IS_ERR(fsia_ick))
 655                 return PTR_ERR(fsia_ick);
 656
 657         /*
 658          * FSIACK is connected to AK4642,
 659          * and use external clock pin from it.
 660          * it is parent of fsia_ick now.
 661          */
 662         fsiack = clk_get_parent(fsia_ick);
 663         if (!fsiack)
 664                 goto fsia_ick_out;
 665
 666         /*
 667          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 668          *
 669          ** FIXME **
 670          * Because the freq_table of external clk (fsiack) are all 0,
 671          * the return value of clk_round_rate became 0.
 672          * So, it use __fsi_set_rate here.
 673          */
 674         ret = __fsi_set_rate(fsiack, rate, enable);
 675         if (ret < 0)
 676                 goto fsiack_out;
 677
 678         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 679         if ((ret < 0) && enable)
 680                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 681
 682 fsiack_out:
 683         clk_put(fsiack);
 684
 685 fsia_ick_out:
 686         clk_put(fsia_ick);
 687
 688         return 0;
 689 }
 690
 691 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 692 {
 693         struct clk *fsib_clk;
 694         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 695         long fsib_rate = 0;
 696         long fdiv_rate = 0;
 697         int ackmd_bpfmd;
 698         int ret;
 699
 700         switch (rate) {
 701         case 44100:
 702                 fsib_rate       = rate * 256;
 703                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 704                 break;
 705         case 48000:
 706                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 707                 fdiv_rate       = rate * 256;
 708                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 709                 break;
 710         default:
 711                 pr_err("unsupported rate in FSI2 port B\n");
 712                 return -EINVAL;
 713         }
 714
 715         /* FSI B setting */
 716         fsib_clk = clk_get(dev, "ickb");
 717         if (IS_ERR(fsib_clk))
 718                 return -EIO;
 719
 720         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 721         if (ret < 0)
 722                 goto fsi_set_rate_end;
 723
 724         /* FSI DIV setting */
 725         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 726         if (ret < 0) {
 727                 /* disable FSI B */
 728                 if (enable)
 729                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 730                 goto fsi_set_rate_end;
 731         }
 732
 733         ret = ackmd_bpfmd;
 734
 735 fsi_set_rate_end:
 736         clk_put(fsib_clk);
 737         return ret;
 738 }
 739
 740 static struct sh_fsi_platform_info fsi_info = {
 741         .port_a = {
 742                 .flags          = SH_FSI_BRS_INV,
 743                 .set_rate       = fsi_ak4642_set_rate,
 744         },
 745         .port_b = {
 746                 .flags          = SH_FSI_BRS_INV |
 747                                   SH_FSI_BRM_INV |
 748                                   SH_FSI_LRS_INV |
 749                                   SH_FSI_FMT_SPDIF,
 750                 .set_rate       = fsi_hdmi_set_rate,
 751         },
 752 };
 753
 754 static struct resource fsi_resources[] = {
 755         [0] = {
 756                 .name   = "FSI",
 757                 .start  = 0xFE3C0000,
 758                 .end    = 0xFE3C0400 - 1,
 759                 .flags  = IORESOURCE_MEM,
 760         },
 761         [1] = {
 762                 .start  = IRQ_FSI,
 763                 .flags  = IORESOURCE_IRQ,
 764         },
 765 };
 766
 767 static struct platform_device fsi_device = {
 768         .name           = "sh_fsi2",
 769         .id             = -1,
 770         .num_resources  = ARRAY_SIZE(fsi_resources),
 771         .resource       = fsi_resources,
 772         .dev    = {
 773                 .platform_data  = &fsi_info,
 774         },
 775 };
 776
 777 static struct fsi_ak4642_info fsi2_ak4643_info = {
 778         .name           = "AK4643",
 779         .card           = "FSI2A-AK4643",
 780         .cpu_dai        = "fsia-dai",
 781         .codec          = "ak4642-codec.0-0013",
 782         .platform       = "sh_fsi2",
 783         .id             = FSI_PORT_A,
 784 };
 785
 786 static struct platform_device fsi_ak4643_device = {
 787         .name   = "fsi-ak4642-audio",
 788         .dev    = {
 789                 .platform_data  = &fsi_info,
 790         },
 791 };
 792
 793 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
 794         .icb[0] = {
 795                 .marker_icb     = 30,
 796                 .cache_icb      = 26,
 797                 .meram_offset   = 0x80,
 798                 .meram_size     = 0x100,
 799         },
 800         .icb[1] = {
 801                 .marker_icb     = 31,
 802                 .cache_icb      = 27,
 803                 .meram_offset   = 0x180,
 804                 .meram_size     = 0x100,
 805         },
 806 };
 807
 808 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 809         .clock_source = LCDC_CLK_EXTERNAL,
 810         .meram_dev = &meram_info,
 811         .ch[0] = {
 812                 .chan = LCDC_CHAN_MAINLCD,
 813                 .fourcc = V4L2_PIX_FMT_RGB565,
 814                 .interface_type = RGB24,
 815                 .clock_divider = 1,
 816                 .flags = LCDC_FLAGS_DWPOL,
 817                 .meram_cfg = &hdmi_meram_cfg,
 818         }
 819 };
 820
 821 static struct resource lcdc1_resources[] = {
 822         [0] = {
 823                 .name   = "LCDC1",
 824                 .start  = 0xfe944000,
 825                 .end    = 0xfe947fff,
 826                 .flags  = IORESOURCE_MEM,
 827         },
 828         [1] = {
 829                 .start  = intcs_evt2irq(0x1780),
 830                 .flags  = IORESOURCE_IRQ,
 831         },
 832 };
 833
 834 static struct platform_device lcdc1_device = {
 835         .name           = "sh_mobile_lcdc_fb",
 836         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 837         .resource       = lcdc1_resources,
 838         .id             = 1,
 839         .dev    = {
 840                 .platform_data  = &sh_mobile_lcdc1_info,
 841                 .coherent_dma_mask = ~0,
 842         },
 843 };
 844
 845 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 846                                 unsigned long *parent_freq);
 847
 848
 849 static struct sh_mobile_hdmi_info hdmi_info = {
 850         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 851         .lcd_dev = &lcdc1_device.dev,
 852         .flags = HDMI_SND_SRC_SPDIF,
 853         .clk_optimize_parent = ap4evb_clk_optimize,
 854 };
 855
 856 static struct resource hdmi_resources[] = {
 857         [0] = {
 858                 .name   = "HDMI",
 859                 .start  = 0xe6be0000,
 860                 .end    = 0xe6be00ff,
 861                 .flags  = IORESOURCE_MEM,
 862         },
 863         [1] = {
 864                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 865                 .start  = evt2irq(0x17e0),
 866                 .flags  = IORESOURCE_IRQ,
 867         },
 868 };
 869
 870 static struct platform_device hdmi_device = {
 871         .name           = "sh-mobile-hdmi",
 872         .num_resources  = ARRAY_SIZE(hdmi_resources),
 873         .resource       = hdmi_resources,
 874         .id             = -1,
 875         .dev    = {
 876                 .platform_data  = &hdmi_info,
 877         },
 878 };
 879
 880 static struct platform_device fsi_hdmi_device = {
 881         .name           = "sh_fsi2_b_hdmi",
 882 };
 883
 884 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 885                                 unsigned long *parent_freq)
 886 {
 887         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 888         long error;
 889
 890         if (IS_ERR(hdmi_ick)) {
 891                 int ret = PTR_ERR(hdmi_ick);
 892                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 893                 return ret;
 894         }
 895
 896         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 897
 898         clk_put(hdmi_ick);
 899
 900         return error;
 901 }
 902
 903 static struct gpio_led ap4evb_leds[] = {
 904         {
 905                 .name                   = "led4",
 906                 .gpio                   = GPIO_PORT185,
 907                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 908         },
 909         {
 910                 .name                   = "led2",
 911                 .gpio                   = GPIO_PORT186,
 912                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 913         },
 914         {
 915                 .name                   = "led3",
 916                 .gpio                   = GPIO_PORT187,
 917                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 918         },
 919         {
 920                 .name                   = "led1",
 921                 .gpio                   = GPIO_PORT188,
 922                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 923         }
 924 };
 925
 926 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 927         .num_leds = ARRAY_SIZE(ap4evb_leds),
 928         .leds = ap4evb_leds,
 929 };
 930
 931 static struct platform_device leds_device = {
 932         .name = "leds-gpio",
 933         .id = 0,
 934         .dev = {
 935                 .platform_data  = &ap4evb_leds_pdata,
 936         },
 937 };
 938
 939 static struct i2c_board_info imx074_info = {
 940         I2C_BOARD_INFO("imx074", 0x1a),
 941 };
 942
 943 static struct soc_camera_link imx074_link = {
 944         .bus_id         = 0,
 945         .board_info     = &imx074_info,
 946         .i2c_adapter_id = 0,
 947         .module_name    = "imx074",
 948 };
 949
 950 static struct platform_device ap4evb_camera = {
 951         .name   = "soc-camera-pdrv",
 952         .id     = 0,
 953         .dev    = {
 954                 .platform_data = &imx074_link,
 955         },
 956 };
 957
 958 static struct sh_csi2_client_config csi2_clients[] = {
 959         {
 960                 .phy            = SH_CSI2_PHY_MAIN,
 961                 .lanes          = 0,            /* default: 2 lanes */
 962                 .channel        = 0,
 963                 .pdev           = &ap4evb_camera,
 964         },
 965 };
 966
 967 static struct sh_csi2_pdata csi2_info = {
 968         .type           = SH_CSI2C,
 969         .clients        = csi2_clients,
 970         .num_clients    = ARRAY_SIZE(csi2_clients),
 971         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
 972 };
 973
 974 static struct resource csi2_resources[] = {
 975         [0] = {
 976                 .name   = "CSI2",
 977                 .start  = 0xffc90000,
 978                 .end    = 0xffc90fff,
 979                 .flags  = IORESOURCE_MEM,
 980         },
 981         [1] = {
 982                 .start  = intcs_evt2irq(0x17a0),
 983                 .flags  = IORESOURCE_IRQ,
 984         },
 985 };
 986
 987 static struct sh_mobile_ceu_companion csi2 = {
 988         .id             = 0,
 989         .num_resources  = ARRAY_SIZE(csi2_resources),
 990         .resource       = csi2_resources,
 991         .platform_data  = &csi2_info,
 992 };
 993
 994 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 995         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
 996         .csi2 = &csi2,
 997 };
 998
 999 static struct resource ceu_resources[] = {
1000         [0] = {
1001                 .name   = "CEU",
1002                 .start  = 0xfe910000,
1003                 .end    = 0xfe91009f,
1004                 .flags  = IORESOURCE_MEM,
1005         },
1006         [1] = {
1007                 .start  = intcs_evt2irq(0x880),
1008                 .flags  = IORESOURCE_IRQ,
1009         },
1010         [2] = {
1011                 /* place holder for contiguous memory */
1012         },
1013 };
1014
1015 static struct platform_device ceu_device = {
1016         .name           = "sh_mobile_ceu",
1017         .id             = 0, /* "ceu0" clock */
1018         .num_resources  = ARRAY_SIZE(ceu_resources),
1019         .resource       = ceu_resources,
1020         .dev    = {
1021                 .platform_data          = &sh_mobile_ceu_info,
1022                 .coherent_dma_mask      = 0xffffffff,
1023         },
1024 };
1025
1026 static struct platform_device *ap4evb_devices[] __initdata = {
1027         &leds_device,
1028         &nor_flash_device,
1029         &smc911x_device,
1030         &sdhi0_device,
1031         &sdhi1_device,
1032         &usb1_host_device,
1033         &fsi_device,
1034         &fsi_ak4643_device,
1035         &fsi_hdmi_device,
1036         &sh_mmcif_device,
1037         &lcdc1_device,
1038         &lcdc_device,
1039         &hdmi_device,
1040         &ceu_device,
1041         &ap4evb_camera,
1042         &meram_device,
1043 };
1044
1045 static void __init hdmi_init_pm_clock(void)
1046 {
1047         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1048         int ret;
1049         long rate;
1050
1051         if (IS_ERR(hdmi_ick)) {
1052                 ret = PTR_ERR(hdmi_ick);
1053                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1054                 goto out;
1055         }
1056
1057         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1058         if (ret < 0) {
1059                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1060                 goto out;
1061         }
1062
1063         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1064
1065         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1066         if (rate < 0) {
1067                 pr_err("Cannot get suitable rate: %ld\n", rate);
1068                 ret = rate;
1069                 goto out;
1070         }
1071
1072         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1073         if (ret < 0) {
1074                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1075                 goto out;
1076         }
1077
1078         pr_debug("PLLC2 set frequency %lu\n", rate);
1079
1080         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1081         if (ret < 0)
1082                 pr_err("Cannot set HDMI parent: %d\n", ret);
1083
1084 out:
1085         if (!IS_ERR(hdmi_ick))
1086                 clk_put(hdmi_ick);
1087 }
1088
1089 static void __init fsi_init_pm_clock(void)
1090 {
1091         struct clk *fsia_ick;
1092         int ret;
1093
1094         fsia_ick = clk_get(&fsi_device.dev, "icka");
1095         if (IS_ERR(fsia_ick)) {
1096                 ret = PTR_ERR(fsia_ick);
1097                 pr_err("Cannot get FSI ICK: %d\n", ret);
1098                 return;
1099         }
1100
1101         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1102         if (ret < 0)
1103                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1104
1105         clk_put(fsia_ick);
1106 }
1107
1108 /*
1109  * FIXME !!
1110  *
1111  * gpio_no_direction
1112  * are quick_hack.
1113  *
1114  * current gpio frame work doesn't have
1115  * the method to control only pull up/down/free.
1116  * this function should be replaced by correct gpio function
1117  */
1118 static void __init gpio_no_direction(u32 addr)
1119 {
1120         __raw_writeb(0x00, addr);
1121 }
1122
1123 /* TouchScreen */
1124 #ifdef CONFIG_AP4EVB_QHD
1125 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1126 # define GPIO_TSC_PORT  GPIO_PORT123
1127 #else /* WVGA */
1128 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1129 # define GPIO_TSC_PORT  GPIO_PORT40
1130 #endif
1131
1132 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1133 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1134 static int ts_get_pendown_state(void)
1135 {
1136         int val;
1137
1138         gpio_free(GPIO_TSC_IRQ);
1139
1140         gpio_request(GPIO_TSC_PORT, NULL);
1141
1142         gpio_direction_input(GPIO_TSC_PORT);
1143
1144         val = gpio_get_value(GPIO_TSC_PORT);
1145
1146         gpio_request(GPIO_TSC_IRQ, NULL);
1147
1148         return !val;
1149 }
1150
1151 static int ts_init(void)
1152 {
1153         gpio_request(GPIO_TSC_IRQ, NULL);
1154
1155         return 0;
1156 }
1157
1158 static struct tsc2007_platform_data tsc2007_info = {
1159         .model                  = 2007,
1160         .x_plate_ohms           = 180,
1161         .get_pendown_state      = ts_get_pendown_state,
1162         .init_platform_hw       = ts_init,
1163 };
1164
1165 static struct i2c_board_info tsc_device = {
1166         I2C_BOARD_INFO("tsc2007", 0x48),
1167         .type           = "tsc2007",
1168         .platform_data  = &tsc2007_info,
1169         /*.irq is selected on ap4evb_init */
1170 };
1171
1172 /* I2C */
1173 static struct i2c_board_info i2c0_devices[] = {
1174         {
1175                 I2C_BOARD_INFO("ak4643", 0x13),
1176         },
1177 };
1178
1179 static struct i2c_board_info i2c1_devices[] = {
1180         {
1181                 I2C_BOARD_INFO("r2025sd", 0x32),
1182         },
1183 };
1184
1185 static struct map_desc ap4evb_io_desc[] __initdata = {
1186         /* create a 1:1 entity map for 0xe6xxxxxx
1187          * used by CPGA, INTC and PFC.
1188          */
1189         {
1190                 .virtual        = 0xe6000000,
1191                 .pfn            = __phys_to_pfn(0xe6000000),
1192                 .length         = 256 << 20,
1193                 .type           = MT_DEVICE_NONSHARED
1194         },
1195 };
1196
1197 static void __init ap4evb_map_io(void)
1198 {
1199         iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1200
1201         /* setup early devices and console here as well */
1202         sh7372_add_early_devices();
1203         shmobile_setup_console();
1204 }
1205
1206 #define GPIO_PORT9CR    0xE6051009
1207 #define GPIO_PORT10CR   0xE605100A
1208 #define USCCR1          0xE6058144
1209 static void __init ap4evb_init(void)
1210 {
1211         u32 srcr4;
1212         struct clk *clk;
1213
1214         sh7372_pinmux_init();
1215
1216         /* enable SCIFA0 */
1217         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1218         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1219
1220         /* enable SMSC911X */
1221         gpio_request(GPIO_FN_CS5A,      NULL);
1222         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1223
1224         /* enable Debug switch (S6) */
1225         gpio_request(GPIO_PORT32, NULL);
1226         gpio_request(GPIO_PORT33, NULL);
1227         gpio_request(GPIO_PORT34, NULL);
1228         gpio_request(GPIO_PORT35, NULL);
1229         gpio_direction_input(GPIO_PORT32);
1230         gpio_direction_input(GPIO_PORT33);
1231         gpio_direction_input(GPIO_PORT34);
1232         gpio_direction_input(GPIO_PORT35);
1233         gpio_export(GPIO_PORT32, 0);
1234         gpio_export(GPIO_PORT33, 0);
1235         gpio_export(GPIO_PORT34, 0);
1236         gpio_export(GPIO_PORT35, 0);
1237
1238         /* SDHI0 */
1239         gpio_request(GPIO_FN_SDHICD0, NULL);
1240         gpio_request(GPIO_FN_SDHIWP0, NULL);
1241         gpio_request(GPIO_FN_SDHICMD0, NULL);
1242         gpio_request(GPIO_FN_SDHICLK0, NULL);
1243         gpio_request(GPIO_FN_SDHID0_3, NULL);
1244         gpio_request(GPIO_FN_SDHID0_2, NULL);
1245         gpio_request(GPIO_FN_SDHID0_1, NULL);
1246         gpio_request(GPIO_FN_SDHID0_0, NULL);
1247
1248         /* SDHI1 */
1249         gpio_request(GPIO_FN_SDHICMD1, NULL);
1250         gpio_request(GPIO_FN_SDHICLK1, NULL);
1251         gpio_request(GPIO_FN_SDHID1_3, NULL);
1252         gpio_request(GPIO_FN_SDHID1_2, NULL);
1253         gpio_request(GPIO_FN_SDHID1_1, NULL);
1254         gpio_request(GPIO_FN_SDHID1_0, NULL);
1255
1256         /* MMCIF */
1257         gpio_request(GPIO_FN_MMCD0_0, NULL);
1258         gpio_request(GPIO_FN_MMCD0_1, NULL);
1259         gpio_request(GPIO_FN_MMCD0_2, NULL);
1260         gpio_request(GPIO_FN_MMCD0_3, NULL);
1261         gpio_request(GPIO_FN_MMCD0_4, NULL);
1262         gpio_request(GPIO_FN_MMCD0_5, NULL);
1263         gpio_request(GPIO_FN_MMCD0_6, NULL);
1264         gpio_request(GPIO_FN_MMCD0_7, NULL);
1265         gpio_request(GPIO_FN_MMCCMD0, NULL);
1266         gpio_request(GPIO_FN_MMCCLK0, NULL);
1267
1268         /* USB enable */
1269         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1270         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1271         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1272         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1273         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1274         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1275
1276         /* setup USB phy */
1277         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1278
1279         /* enable FSI2 port A (ak4643) */
1280         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1281         gpio_request(GPIO_FN_FSIAILR,   NULL);
1282         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1283         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1284         gpio_request(GPIO_PORT161,      NULL);
1285         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1286
1287         gpio_request(GPIO_PORT9, NULL);
1288         gpio_request(GPIO_PORT10, NULL);
1289         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1290         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1291
1292         /* card detect pin for MMC slot (CN7) */
1293         gpio_request(GPIO_PORT41, NULL);
1294         gpio_direction_input(GPIO_PORT41);
1295
1296         /* setup FSI2 port B (HDMI) */
1297         gpio_request(GPIO_FN_FSIBCK, NULL);
1298         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1299
1300         /* set SPU2 clock to 119.6 MHz */
1301         clk = clk_get(NULL, "spu_clk");
1302         if (!IS_ERR(clk)) {
1303                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1304                 clk_put(clk);
1305         }
1306
1307         /*
1308          * set irq priority, to avoid sound chopping
1309          * when NFS rootfs is used
1310          *  FSI(3) > SMSC911X(2)
1311          */
1312         intc_set_priority(IRQ_FSI, 3);
1313
1314         i2c_register_board_info(0, i2c0_devices,
1315                                 ARRAY_SIZE(i2c0_devices));
1316
1317         i2c_register_board_info(1, i2c1_devices,
1318                                 ARRAY_SIZE(i2c1_devices));
1319
1320 #ifdef CONFIG_AP4EVB_QHD
1321
1322         /*
1323          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1324          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1325          */
1326
1327         /* enable KEYSC */
1328         gpio_request(GPIO_FN_KEYOUT0, NULL);
1329         gpio_request(GPIO_FN_KEYOUT1, NULL);
1330         gpio_request(GPIO_FN_KEYOUT2, NULL);
1331         gpio_request(GPIO_FN_KEYOUT3, NULL);
1332         gpio_request(GPIO_FN_KEYOUT4, NULL);
1333         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1334         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1335         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1336         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1337         gpio_request(GPIO_FN_KEYIN4,     NULL);
1338
1339         /* enable TouchScreen */
1340         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1341
1342         tsc_device.irq = IRQ28;
1343         i2c_register_board_info(1, &tsc_device, 1);
1344
1345         /* LCDC0 */
1346         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1347         lcdc_info.ch[0].interface_type          = RGB24;
1348         lcdc_info.ch[0].clock_divider           = 1;
1349         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1350         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1351         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1352
1353         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1354
1355 #else
1356         /*
1357          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1358          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1359          */
1360
1361         gpio_request(GPIO_FN_LCDD17,   NULL);
1362         gpio_request(GPIO_FN_LCDD16,   NULL);
1363         gpio_request(GPIO_FN_LCDD15,   NULL);
1364         gpio_request(GPIO_FN_LCDD14,   NULL);
1365         gpio_request(GPIO_FN_LCDD13,   NULL);
1366         gpio_request(GPIO_FN_LCDD12,   NULL);
1367         gpio_request(GPIO_FN_LCDD11,   NULL);
1368         gpio_request(GPIO_FN_LCDD10,   NULL);
1369         gpio_request(GPIO_FN_LCDD9,    NULL);
1370         gpio_request(GPIO_FN_LCDD8,    NULL);
1371         gpio_request(GPIO_FN_LCDD7,    NULL);
1372         gpio_request(GPIO_FN_LCDD6,    NULL);
1373         gpio_request(GPIO_FN_LCDD5,    NULL);
1374         gpio_request(GPIO_FN_LCDD4,    NULL);
1375         gpio_request(GPIO_FN_LCDD3,    NULL);
1376         gpio_request(GPIO_FN_LCDD2,    NULL);
1377         gpio_request(GPIO_FN_LCDD1,    NULL);
1378         gpio_request(GPIO_FN_LCDD0,    NULL);
1379         gpio_request(GPIO_FN_LCDDISP,  NULL);
1380         gpio_request(GPIO_FN_LCDDCK,   NULL);
1381
1382         gpio_request(GPIO_PORT189, NULL); /* backlight */
1383         gpio_direction_output(GPIO_PORT189, 1);
1384
1385         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1386         gpio_direction_output(GPIO_PORT151, 1);
1387
1388         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1389         lcdc_info.ch[0].interface_type          = RGB18;
1390         lcdc_info.ch[0].clock_divider           = 3;
1391         lcdc_info.ch[0].flags                   = 0;
1392         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1393         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1394
1395         /* enable TouchScreen */
1396         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1397
1398         tsc_device.irq = IRQ7;
1399         i2c_register_board_info(0, &tsc_device, 1);
1400 #endif /* CONFIG_AP4EVB_QHD */
1401
1402         /* CEU */
1403
1404         /*
1405          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1406          * becomes available
1407          */
1408
1409         /* MIPI-CSI stuff */
1410         gpio_request(GPIO_FN_VIO_CKO, NULL);
1411
1412         clk = clk_get(NULL, "vck1_clk");
1413         if (!IS_ERR(clk)) {
1414                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1415                 clk_enable(clk);
1416                 clk_put(clk);
1417         }
1418
1419         sh7372_add_standard_devices();
1420
1421         /* HDMI */
1422         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1423         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1424
1425         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1426 #define SRCR4 0xe61580bc
1427         srcr4 = __raw_readl(SRCR4);
1428         __raw_writel(srcr4 | (1 << 13), SRCR4);
1429         udelay(50);
1430         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1431
1432         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1433
1434         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1435         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1436         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1437
1438         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1439         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1440         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1441         sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1442
1443         hdmi_init_pm_clock();
1444         fsi_init_pm_clock();
1445         sh7372_pm_init();
1446         pm_clk_add(&fsi_device.dev, "spu2");
1447         pm_clk_add(&lcdc1_device.dev, "hdmi");
1448 }
1449
1450 static void __init ap4evb_timer_init(void)
1451 {
1452         sh7372_clock_init();
1453         shmobile_timer.init();
1454
1455         /* External clock source */
1456         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1457 }
1458
1459 static struct sys_timer ap4evb_timer = {
1460         .init           = ap4evb_timer_init,
1461 };
1462
1463 MACHINE_START(AP4EVB, "ap4evb")
1464         .map_io         = ap4evb_map_io,
1465         .init_irq       = sh7372_init_irq,
1466         .handle_irq     = shmobile_handle_irq_intc,
1467         .init_machine   = ap4evb_init,
1468         .timer          = &ap4evb_timer,
1469 MACHINE_END