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/time.h>
  65 #include <asm/setup.h>
  66
  67 /*
  68  * Address      Interface               BusWidth        note
  69  * ------------------------------------------------------------------
  70  * 0x0000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = ON
  71  * 0x0800_0000  user area               -
  72  * 0x1000_0000  NOR Flash ROM (MCP)     16bit           SW7 : bit1 = OFF
  73  * 0x1400_0000  Ether (LAN9220)         16bit
  74  * 0x1600_0000  user area               -               cannot use with NAND
  75  * 0x1800_0000  user area               -
  76  * 0x1A00_0000  -
  77  * 0x4000_0000  LPDDR2-SDRAM (POP)      32bit
  78  */
  79
  80 /*
  81  * NOR Flash ROM
  82  *
  83  *  SW1  |     SW2    | SW7  | NOR Flash ROM
  84  *  bit1 | bit1  bit2 | bit1 | Memory allocation
  85  * ------+------------+------+------------------
  86  *  OFF  | ON     OFF | ON   |    Area 0
  87  *  OFF  | ON     OFF | OFF  |    Area 4
  88  */
  89
  90 /*
  91  * NAND Flash ROM
  92  *
  93  *  SW1  |     SW2    | SW7  | NAND Flash ROM
  94  *  bit1 | bit1  bit2 | bit2 | Memory allocation
  95  * ------+------------+------+------------------
  96  *  OFF  | ON     OFF | ON   |    FCE 0
  97  *  OFF  | ON     OFF | OFF  |    FCE 1
  98  */
  99
 100 /*
 101  * SMSC 9220
 102  *
 103  *  SW1         SMSC 9220
 104  * -----------------------
 105  *  ON          access disable
 106  *  OFF         access enable
 107  */
 108
 109 /*
 110  * LCD / IRQ / KEYSC / IrDA
 111  *
 112  * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 113  * LCD = 2nd LCDC (WVGA)
 114  *
 115  *              |               SW43                    |
 116  * SW3          |       ON              |       OFF     |
 117  * -------------+-----------------------+---------------+
 118  * ON           | KEY / IrDA            | LCD           |
 119  * OFF          | KEY / IrDA / IRQ      | IRQ           |
 120  *
 121  *
 122  * QHD / WVGA display
 123  *
 124  * You can choice display type on menuconfig.
 125  * Then, check above dip-switch.
 126  */
 127
 128 /*
 129  * USB
 130  *
 131  * J7 : 1-2  MAX3355E VBUS
 132  *      2-3  DC 5.0V
 133  *
 134  * S39: bit2: off
 135  */
 136
 137 /*
 138  * FSI/FSMI
 139  *
 140  * SW41 :  ON : SH-Mobile AP4 Audio Mode
 141  *      : OFF : Bluetooth Audio Mode
 142  */
 143
 144 /*
 145  * MMC0/SDHI1 (CN7)
 146  *
 147  * J22 : select card voltage
 148  *       1-2 pin : 1.8v
 149  *       2-3 pin : 3.3v
 150  *
 151  *        SW1  |             SW33
 152  *             | bit1 | bit2 | bit3 | bit4
 153  * ------------+------+------+------+-------
 154  * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 155  * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 156  *
 157  * voltage lebel
 158  * CN7 : 1.8v
 159  * CN12: 3.3v
 160  */
 161
 162 /* MTD */
 163 static struct mtd_partition nor_flash_partitions[] = {
 164         {
 165                 .name           = "loader",
 166                 .offset         = 0x00000000,
 167                 .size           = 512 * 1024,
 168                 .mask_flags     = MTD_WRITEABLE,
 169         },
 170         {
 171                 .name           = "bootenv",
 172                 .offset         = MTDPART_OFS_APPEND,
 173                 .size           = 512 * 1024,
 174                 .mask_flags     = MTD_WRITEABLE,
 175         },
 176         {
 177                 .name           = "kernel_ro",
 178                 .offset         = MTDPART_OFS_APPEND,
 179                 .size           = 8 * 1024 * 1024,
 180                 .mask_flags     = MTD_WRITEABLE,
 181         },
 182         {
 183                 .name           = "kernel",
 184                 .offset         = MTDPART_OFS_APPEND,
 185                 .size           = 8 * 1024 * 1024,
 186         },
 187         {
 188                 .name           = "data",
 189                 .offset         = MTDPART_OFS_APPEND,
 190                 .size           = MTDPART_SIZ_FULL,
 191         },
 192 };
 193
 194 static struct physmap_flash_data nor_flash_data = {
 195         .width          = 2,
 196         .parts          = nor_flash_partitions,
 197         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 198 };
 199
 200 static struct resource nor_flash_resources[] = {
 201         [0]     = {
 202                 .start  = 0x20000000, /* CS0 shadow instead of regular CS0 */
 203                 .end    = 0x28000000 - 1, /* needed by USB MASK ROM boot */
 204                 .flags  = IORESOURCE_MEM,
 205         }
 206 };
 207
 208 static struct platform_device nor_flash_device = {
 209         .name           = "physmap-flash",
 210         .dev            = {
 211                 .platform_data  = &nor_flash_data,
 212         },
 213         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 214         .resource       = nor_flash_resources,
 215 };
 216
 217 /* SMSC 9220 */
 218 static struct resource smc911x_resources[] = {
 219         {
 220                 .start  = 0x14000000,
 221                 .end    = 0x16000000 - 1,
 222                 .flags  = IORESOURCE_MEM,
 223         }, {
 224                 .start  = evt2irq(0x02c0) /* IRQ6A */,
 225                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 226         },
 227 };
 228
 229 static struct smsc911x_platform_config smsc911x_info = {
 230         .flags          = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
 231         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 232         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 233 };
 234
 235 static struct platform_device smc911x_device = {
 236         .name           = "smsc911x",
 237         .id             = -1,
 238         .num_resources  = ARRAY_SIZE(smc911x_resources),
 239         .resource       = smc911x_resources,
 240         .dev            = {
 241                 .platform_data = &smsc911x_info,
 242         },
 243 };
 244
 245 /*
 246  * The card detect pin of the top SD/MMC slot (CN7) is active low and is
 247  * connected to GPIO A22 of SH7372 (GPIO_PORT41).
 248  */
 249 static int slot_cn7_get_cd(struct platform_device *pdev)
 250 {
 251         return !gpio_get_value(GPIO_PORT41);
 252 }
 253 /* MERAM */
 254 static struct sh_mobile_meram_info meram_info = {
 255         .addr_mode      = SH_MOBILE_MERAM_MODE1,
 256 };
 257
 258 static struct resource meram_resources[] = {
 259         [0] = {
 260                 .name   = "MERAM",
 261                 .start  = 0xe8000000,
 262                 .end    = 0xe81fffff,
 263                 .flags  = IORESOURCE_MEM,
 264         },
 265 };
 266
 267 static struct platform_device meram_device = {
 268         .name           = "sh_mobile_meram",
 269         .id             = 0,
 270         .num_resources  = ARRAY_SIZE(meram_resources),
 271         .resource       = meram_resources,
 272         .dev            = {
 273                 .platform_data = &meram_info,
 274         },
 275 };
 276
 277 /* SH_MMCIF */
 278 static struct resource sh_mmcif_resources[] = {
 279         [0] = {
 280                 .name   = "MMCIF",
 281                 .start  = 0xE6BD0000,
 282                 .end    = 0xE6BD00FF,
 283                 .flags  = IORESOURCE_MEM,
 284         },
 285         [1] = {
 286                 /* MMC ERR */
 287                 .start  = evt2irq(0x1ac0),
 288                 .flags  = IORESOURCE_IRQ,
 289         },
 290         [2] = {
 291                 /* MMC NOR */
 292                 .start  = evt2irq(0x1ae0),
 293                 .flags  = IORESOURCE_IRQ,
 294         },
 295 };
 296
 297 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 298         .sup_pclk       = 0,
 299         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 300         .caps           = MMC_CAP_4_BIT_DATA |
 301                           MMC_CAP_8_BIT_DATA |
 302                           MMC_CAP_NEEDS_POLL,
 303         .get_cd         = slot_cn7_get_cd,
 304         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 305         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 306 };
 307
 308 static struct platform_device sh_mmcif_device = {
 309         .name           = "sh_mmcif",
 310         .id             = 0,
 311         .dev            = {
 312                 .dma_mask               = NULL,
 313                 .coherent_dma_mask      = 0xffffffff,
 314                 .platform_data          = &sh_mmcif_plat,
 315         },
 316         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 317         .resource       = sh_mmcif_resources,
 318 };
 319
 320 /* SDHI0 */
 321 static struct sh_mobile_sdhi_info sdhi0_info = {
 322         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 323         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 324         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 325 };
 326
 327 static struct resource sdhi0_resources[] = {
 328         [0] = {
 329                 .name   = "SDHI0",
 330                 .start  = 0xe6850000,
 331                 .end    = 0xe68500ff,
 332                 .flags  = IORESOURCE_MEM,
 333         },
 334         [1] = {
 335                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 336                 .flags  = IORESOURCE_IRQ,
 337         },
 338         [2] = {
 339                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 340                 .flags  = IORESOURCE_IRQ,
 341         },
 342         [3] = {
 343                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 344                 .flags  = IORESOURCE_IRQ,
 345         },
 346 };
 347
 348 static struct platform_device sdhi0_device = {
 349         .name           = "sh_mobile_sdhi",
 350         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 351         .resource       = sdhi0_resources,
 352         .id             = 0,
 353         .dev    = {
 354                 .platform_data  = &sdhi0_info,
 355         },
 356 };
 357
 358 /* SDHI1 */
 359 static struct sh_mobile_sdhi_info sdhi1_info = {
 360         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 361         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 362         .tmio_ocr_mask  = MMC_VDD_165_195,
 363         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 364         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 365         .get_cd         = slot_cn7_get_cd,
 366 };
 367
 368 static struct resource sdhi1_resources[] = {
 369         [0] = {
 370                 .name   = "SDHI1",
 371                 .start  = 0xe6860000,
 372                 .end    = 0xe68600ff,
 373                 .flags  = IORESOURCE_MEM,
 374         },
 375         [1] = {
 376                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 377                 .flags  = IORESOURCE_IRQ,
 378         },
 379         [2] = {
 380                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 381                 .flags  = IORESOURCE_IRQ,
 382         },
 383         [3] = {
 384                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 385                 .flags  = IORESOURCE_IRQ,
 386         },
 387 };
 388
 389 static struct platform_device sdhi1_device = {
 390         .name           = "sh_mobile_sdhi",
 391         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 392         .resource       = sdhi1_resources,
 393         .id             = 1,
 394         .dev    = {
 395                 .platform_data  = &sdhi1_info,
 396         },
 397 };
 398
 399 /* USB1 */
 400 static void usb1_host_port_power(int port, int power)
 401 {
 402         if (!power) /* only power-on supported for now */
 403                 return;
 404
 405         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 406         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 407 }
 408
 409 static struct r8a66597_platdata usb1_host_data = {
 410         .on_chip        = 1,
 411         .port_power     = usb1_host_port_power,
 412 };
 413
 414 static struct resource usb1_host_resources[] = {
 415         [0] = {
 416                 .name   = "USBHS",
 417                 .start  = 0xE68B0000,
 418                 .end    = 0xE68B00E6 - 1,
 419                 .flags  = IORESOURCE_MEM,
 420         },
 421         [1] = {
 422                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 423                 .flags  = IORESOURCE_IRQ,
 424         },
 425 };
 426
 427 static struct platform_device usb1_host_device = {
 428         .name   = "r8a66597_hcd",
 429         .id     = 1,
 430         .dev = {
 431                 .dma_mask               = NULL,         /*  not use dma */
 432                 .coherent_dma_mask      = 0xffffffff,
 433                 .platform_data          = &usb1_host_data,
 434         },
 435         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 436         .resource       = usb1_host_resources,
 437 };
 438
 439 static const struct fb_videomode ap4evb_lcdc_modes[] = {
 440         {
 441 #ifdef CONFIG_AP4EVB_QHD
 442                 .name           = "R63302(QHD)",
 443                 .xres           = 544,
 444                 .yres           = 961,
 445                 .left_margin    = 72,
 446                 .right_margin   = 600,
 447                 .hsync_len      = 16,
 448                 .upper_margin   = 8,
 449                 .lower_margin   = 8,
 450                 .vsync_len      = 2,
 451                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 452 #else
 453                 .name           = "WVGA Panel",
 454                 .xres           = 800,
 455                 .yres           = 480,
 456                 .left_margin    = 220,
 457                 .right_margin   = 110,
 458                 .hsync_len      = 70,
 459                 .upper_margin   = 20,
 460                 .lower_margin   = 5,
 461                 .vsync_len      = 5,
 462                 .sync           = 0,
 463 #endif
 464         },
 465 };
 466 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
 467         .icb[0] = {
 468                 .marker_icb     = 28,
 469                 .cache_icb      = 24,
 470                 .meram_offset   = 0x0,
 471                 .meram_size     = 0x40,
 472         },
 473         .icb[1] = {
 474                 .marker_icb     = 29,
 475                 .cache_icb      = 25,
 476                 .meram_offset   = 0x40,
 477                 .meram_size     = 0x40,
 478         },
 479 };
 480
 481 static struct sh_mobile_lcdc_info lcdc_info = {
 482         .meram_dev = &meram_info,
 483         .ch[0] = {
 484                 .chan = LCDC_CHAN_MAINLCD,
 485                 .fourcc = V4L2_PIX_FMT_RGB565,
 486                 .lcd_cfg = ap4evb_lcdc_modes,
 487                 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
 488                 .meram_cfg = &lcd_meram_cfg,
 489         }
 490 };
 491
 492 static struct resource lcdc_resources[] = {
 493         [0] = {
 494                 .name   = "LCDC",
 495                 .start  = 0xfe940000, /* P4-only space */
 496                 .end    = 0xfe943fff,
 497                 .flags  = IORESOURCE_MEM,
 498         },
 499         [1] = {
 500                 .start  = intcs_evt2irq(0x580),
 501                 .flags  = IORESOURCE_IRQ,
 502         },
 503 };
 504
 505 static struct platform_device lcdc_device = {
 506         .name           = "sh_mobile_lcdc_fb",
 507         .num_resources  = ARRAY_SIZE(lcdc_resources),
 508         .resource       = lcdc_resources,
 509         .dev    = {
 510                 .platform_data  = &lcdc_info,
 511                 .coherent_dma_mask = ~0,
 512         },
 513 };
 514
 515 /*
 516  * QHD display
 517  */
 518 #ifdef CONFIG_AP4EVB_QHD
 519
 520 /* KEYSC (Needs SW43 set to ON) */
 521 static struct sh_keysc_info keysc_info = {
 522         .mode           = SH_KEYSC_MODE_1,
 523         .scan_timing    = 3,
 524         .delay          = 2500,
 525         .keycodes = {
 526                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 527                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 528                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 529                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 530                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 531         },
 532 };
 533
 534 static struct resource keysc_resources[] = {
 535         [0] = {
 536                 .name   = "KEYSC",
 537                 .start  = 0xe61b0000,
 538                 .end    = 0xe61b0063,
 539                 .flags  = IORESOURCE_MEM,
 540         },
 541         [1] = {
 542                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 543                 .flags  = IORESOURCE_IRQ,
 544         },
 545 };
 546
 547 static struct platform_device keysc_device = {
 548         .name           = "sh_keysc",
 549         .id             = 0, /* "keysc0" clock */
 550         .num_resources  = ARRAY_SIZE(keysc_resources),
 551         .resource       = keysc_resources,
 552         .dev    = {
 553                 .platform_data  = &keysc_info,
 554         },
 555 };
 556
 557 /* MIPI-DSI */
 558 #define PHYCTRL         0x0070
 559 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 560                                  void __iomem *base,
 561                                  int enable)
 562 {
 563         struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
 564         void __iomem *phy =  base + PHYCTRL;
 565
 566         if (IS_ERR(pck))
 567                 return PTR_ERR(pck);
 568
 569         if (enable) {
 570                 clk_set_rate(pck, clk_round_rate(pck, 24000000));
 571                 iowrite32(ioread32(phy) | (0xb << 8), phy);
 572                 clk_enable(pck);
 573         } else {
 574                 clk_disable(pck);
 575         }
 576
 577         clk_put(pck);
 578
 579         return 0;
 580 }
 581
 582 static struct resource mipidsi0_resources[] = {
 583         [0] = {
 584                 .start  = 0xffc60000,
 585                 .end    = 0xffc63073,
 586                 .flags  = IORESOURCE_MEM,
 587         },
 588         [1] = {
 589                 .start  = 0xffc68000,
 590                 .end    = 0xffc680ef,
 591                 .flags  = IORESOURCE_MEM,
 592         },
 593 };
 594
 595 static struct sh_mipi_dsi_info mipidsi0_info = {
 596         .data_format    = MIPI_RGB888,
 597         .lcd_chan       = &lcdc_info.ch[0],
 598         .lane           = 2,
 599         .vsynw_offset   = 17,
 600         .flags          = SH_MIPI_DSI_SYNC_PULSES_MODE |
 601                           SH_MIPI_DSI_HSbyteCLK,
 602         .set_dot_clock  = sh_mipi_set_dot_clock,
 603 };
 604
 605 static struct platform_device mipidsi0_device = {
 606         .name           = "sh-mipi-dsi",
 607         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 608         .resource       = mipidsi0_resources,
 609         .id             = 0,
 610         .dev    = {
 611                 .platform_data  = &mipidsi0_info,
 612         },
 613 };
 614
 615 static struct platform_device *qhd_devices[] __initdata = {
 616         &mipidsi0_device,
 617         &keysc_device,
 618 };
 619 #endif /* CONFIG_AP4EVB_QHD */
 620
 621 /* FSI */
 622 #define IRQ_FSI         evt2irq(0x1840)
 623 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 624 {
 625         int ret = 0;
 626
 627         if (rate <= 0)
 628                 return ret;
 629
 630         if (enable) {
 631                 ret = clk_set_rate(clk, rate);
 632                 if (0 == ret)
 633                         ret = clk_enable(clk);
 634         } else {
 635                 clk_disable(clk);
 636         }
 637
 638         return ret;
 639 }
 640
 641 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 642 {
 643         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 644 }
 645
 646 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 647 {
 648         struct clk *fsia_ick;
 649         struct clk *fsiack;
 650         int ret = -EIO;
 651
 652         fsia_ick = clk_get(dev, "icka");
 653         if (IS_ERR(fsia_ick))
 654                 return PTR_ERR(fsia_ick);
 655
 656         /*
 657          * FSIACK is connected to AK4642,
 658          * and use external clock pin from it.
 659          * it is parent of fsia_ick now.
 660          */
 661         fsiack = clk_get_parent(fsia_ick);
 662         if (!fsiack)
 663                 goto fsia_ick_out;
 664
 665         /*
 666          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 667          *
 668          ** FIXME **
 669          * Because the freq_table of external clk (fsiack) are all 0,
 670          * the return value of clk_round_rate became 0.
 671          * So, it use __fsi_set_rate here.
 672          */
 673         ret = __fsi_set_rate(fsiack, rate, enable);
 674         if (ret < 0)
 675                 goto fsiack_out;
 676
 677         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 678         if ((ret < 0) && enable)
 679                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 680
 681 fsiack_out:
 682         clk_put(fsiack);
 683
 684 fsia_ick_out:
 685         clk_put(fsia_ick);
 686
 687         return 0;
 688 }
 689
 690 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 691 {
 692         struct clk *fsib_clk;
 693         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 694         long fsib_rate = 0;
 695         long fdiv_rate = 0;
 696         int ackmd_bpfmd;
 697         int ret;
 698
 699         switch (rate) {
 700         case 44100:
 701                 fsib_rate       = rate * 256;
 702                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 703                 break;
 704         case 48000:
 705                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 706                 fdiv_rate       = rate * 256;
 707                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 708                 break;
 709         default:
 710                 pr_err("unsupported rate in FSI2 port B\n");
 711                 return -EINVAL;
 712         }
 713
 714         /* FSI B setting */
 715         fsib_clk = clk_get(dev, "ickb");
 716         if (IS_ERR(fsib_clk))
 717                 return -EIO;
 718
 719         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 720         if (ret < 0)
 721                 goto fsi_set_rate_end;
 722
 723         /* FSI DIV setting */
 724         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 725         if (ret < 0) {
 726                 /* disable FSI B */
 727                 if (enable)
 728                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 729                 goto fsi_set_rate_end;
 730         }
 731
 732         ret = ackmd_bpfmd;
 733
 734 fsi_set_rate_end:
 735         clk_put(fsib_clk);
 736         return ret;
 737 }
 738
 739 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
 740 {
 741         int ret;
 742
 743         if (is_porta)
 744                 ret = fsi_ak4642_set_rate(dev, rate, enable);
 745         else
 746                 ret = fsi_hdmi_set_rate(dev, rate, enable);
 747
 748         return ret;
 749 }
 750
 751 static struct sh_fsi_platform_info fsi_info = {
 752         .porta_flags = SH_FSI_BRS_INV,
 753
 754         .portb_flags = SH_FSI_BRS_INV |
 755                        SH_FSI_BRM_INV |
 756                        SH_FSI_LRS_INV |
 757                        SH_FSI_FMT_SPDIF,
 758         .set_rate = fsi_set_rate,
 759 };
 760
 761 static struct resource fsi_resources[] = {
 762         [0] = {
 763                 .name   = "FSI",
 764                 .start  = 0xFE3C0000,
 765                 .end    = 0xFE3C0400 - 1,
 766                 .flags  = IORESOURCE_MEM,
 767         },
 768         [1] = {
 769                 .start  = IRQ_FSI,
 770                 .flags  = IORESOURCE_IRQ,
 771         },
 772 };
 773
 774 static struct platform_device fsi_device = {
 775         .name           = "sh_fsi2",
 776         .id             = -1,
 777         .num_resources  = ARRAY_SIZE(fsi_resources),
 778         .resource       = fsi_resources,
 779         .dev    = {
 780                 .platform_data  = &fsi_info,
 781         },
 782 };
 783
 784 static struct fsi_ak4642_info fsi2_ak4643_info = {
 785         .name           = "AK4643",
 786         .card           = "FSI2A-AK4643",
 787         .cpu_dai        = "fsia-dai",
 788         .codec          = "ak4642-codec.0-0013",
 789         .platform       = "sh_fsi2",
 790         .id             = FSI_PORT_A,
 791 };
 792
 793 static struct platform_device fsi_ak4643_device = {
 794         .name   = "fsi-ak4642-audio",
 795         .dev    = {
 796                 .platform_data  = &fsi_info,
 797         },
 798 };
 799
 800 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
 801         .icb[0] = {
 802                 .marker_icb     = 30,
 803                 .cache_icb      = 26,
 804                 .meram_offset   = 0x80,
 805                 .meram_size     = 0x100,
 806         },
 807         .icb[1] = {
 808                 .marker_icb     = 31,
 809                 .cache_icb      = 27,
 810                 .meram_offset   = 0x180,
 811                 .meram_size     = 0x100,
 812         },
 813 };
 814
 815 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 816         .clock_source = LCDC_CLK_EXTERNAL,
 817         .meram_dev = &meram_info,
 818         .ch[0] = {
 819                 .chan = LCDC_CHAN_MAINLCD,
 820                 .fourcc = V4L2_PIX_FMT_RGB565,
 821                 .interface_type = RGB24,
 822                 .clock_divider = 1,
 823                 .flags = LCDC_FLAGS_DWPOL,
 824                 .meram_cfg = &hdmi_meram_cfg,
 825         }
 826 };
 827
 828 static struct resource lcdc1_resources[] = {
 829         [0] = {
 830                 .name   = "LCDC1",
 831                 .start  = 0xfe944000,
 832                 .end    = 0xfe947fff,
 833                 .flags  = IORESOURCE_MEM,
 834         },
 835         [1] = {
 836                 .start  = intcs_evt2irq(0x1780),
 837                 .flags  = IORESOURCE_IRQ,
 838         },
 839 };
 840
 841 static struct platform_device lcdc1_device = {
 842         .name           = "sh_mobile_lcdc_fb",
 843         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 844         .resource       = lcdc1_resources,
 845         .id             = 1,
 846         .dev    = {
 847                 .platform_data  = &sh_mobile_lcdc1_info,
 848                 .coherent_dma_mask = ~0,
 849         },
 850 };
 851
 852 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 853                                 unsigned long *parent_freq);
 854
 855
 856 static struct sh_mobile_hdmi_info hdmi_info = {
 857         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
 858         .lcd_dev = &lcdc1_device.dev,
 859         .flags = HDMI_SND_SRC_SPDIF,
 860         .clk_optimize_parent = ap4evb_clk_optimize,
 861 };
 862
 863 static struct resource hdmi_resources[] = {
 864         [0] = {
 865                 .name   = "HDMI",
 866                 .start  = 0xe6be0000,
 867                 .end    = 0xe6be00ff,
 868                 .flags  = IORESOURCE_MEM,
 869         },
 870         [1] = {
 871                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 872                 .start  = evt2irq(0x17e0),
 873                 .flags  = IORESOURCE_IRQ,
 874         },
 875 };
 876
 877 static struct platform_device hdmi_device = {
 878         .name           = "sh-mobile-hdmi",
 879         .num_resources  = ARRAY_SIZE(hdmi_resources),
 880         .resource       = hdmi_resources,
 881         .id             = -1,
 882         .dev    = {
 883                 .platform_data  = &hdmi_info,
 884         },
 885 };
 886
 887 static struct platform_device fsi_hdmi_device = {
 888         .name           = "sh_fsi2_b_hdmi",
 889 };
 890
 891 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 892                                 unsigned long *parent_freq)
 893 {
 894         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 895         long error;
 896
 897         if (IS_ERR(hdmi_ick)) {
 898                 int ret = PTR_ERR(hdmi_ick);
 899                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 900                 return ret;
 901         }
 902
 903         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 904
 905         clk_put(hdmi_ick);
 906
 907         return error;
 908 }
 909
 910 static struct gpio_led ap4evb_leds[] = {
 911         {
 912                 .name                   = "led4",
 913                 .gpio                   = GPIO_PORT185,
 914                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 915         },
 916         {
 917                 .name                   = "led2",
 918                 .gpio                   = GPIO_PORT186,
 919                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 920         },
 921         {
 922                 .name                   = "led3",
 923                 .gpio                   = GPIO_PORT187,
 924                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 925         },
 926         {
 927                 .name                   = "led1",
 928                 .gpio                   = GPIO_PORT188,
 929                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 930         }
 931 };
 932
 933 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 934         .num_leds = ARRAY_SIZE(ap4evb_leds),
 935         .leds = ap4evb_leds,
 936 };
 937
 938 static struct platform_device leds_device = {
 939         .name = "leds-gpio",
 940         .id = 0,
 941         .dev = {
 942                 .platform_data  = &ap4evb_leds_pdata,
 943         },
 944 };
 945
 946 static struct i2c_board_info imx074_info = {
 947         I2C_BOARD_INFO("imx074", 0x1a),
 948 };
 949
 950 static struct soc_camera_link imx074_link = {
 951         .bus_id         = 0,
 952         .board_info     = &imx074_info,
 953         .i2c_adapter_id = 0,
 954         .module_name    = "imx074",
 955 };
 956
 957 static struct platform_device ap4evb_camera = {
 958         .name   = "soc-camera-pdrv",
 959         .id     = 0,
 960         .dev    = {
 961                 .platform_data = &imx074_link,
 962         },
 963 };
 964
 965 static struct sh_csi2_client_config csi2_clients[] = {
 966         {
 967                 .phy            = SH_CSI2_PHY_MAIN,
 968                 .lanes          = 0,            /* default: 2 lanes */
 969                 .channel        = 0,
 970                 .pdev           = &ap4evb_camera,
 971         },
 972 };
 973
 974 static struct sh_csi2_pdata csi2_info = {
 975         .type           = SH_CSI2C,
 976         .clients        = csi2_clients,
 977         .num_clients    = ARRAY_SIZE(csi2_clients),
 978         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
 979 };
 980
 981 static struct resource csi2_resources[] = {
 982         [0] = {
 983                 .name   = "CSI2",
 984                 .start  = 0xffc90000,
 985                 .end    = 0xffc90fff,
 986                 .flags  = IORESOURCE_MEM,
 987         },
 988         [1] = {
 989                 .start  = intcs_evt2irq(0x17a0),
 990                 .flags  = IORESOURCE_IRQ,
 991         },
 992 };
 993
 994 static struct sh_mobile_ceu_companion csi2 = {
 995         .id             = 0,
 996         .num_resources  = ARRAY_SIZE(csi2_resources),
 997         .resource       = csi2_resources,
 998         .platform_data  = &csi2_info,
 999 };
1000
1001 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
1002         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1003         .csi2 = &csi2,
1004 };
1005
1006 static struct resource ceu_resources[] = {
1007         [0] = {
1008                 .name   = "CEU",
1009                 .start  = 0xfe910000,
1010                 .end    = 0xfe91009f,
1011                 .flags  = IORESOURCE_MEM,
1012         },
1013         [1] = {
1014                 .start  = intcs_evt2irq(0x880),
1015                 .flags  = IORESOURCE_IRQ,
1016         },
1017         [2] = {
1018                 /* place holder for contiguous memory */
1019         },
1020 };
1021
1022 static struct platform_device ceu_device = {
1023         .name           = "sh_mobile_ceu",
1024         .id             = 0, /* "ceu0" clock */
1025         .num_resources  = ARRAY_SIZE(ceu_resources),
1026         .resource       = ceu_resources,
1027         .dev    = {
1028                 .platform_data          = &sh_mobile_ceu_info,
1029                 .coherent_dma_mask      = 0xffffffff,
1030         },
1031 };
1032
1033 static struct platform_device *ap4evb_devices[] __initdata = {
1034         &leds_device,
1035         &nor_flash_device,
1036         &smc911x_device,
1037         &sdhi0_device,
1038         &sdhi1_device,
1039         &usb1_host_device,
1040         &fsi_device,
1041         &fsi_ak4643_device,
1042         &fsi_hdmi_device,
1043         &sh_mmcif_device,
1044         &lcdc1_device,
1045         &lcdc_device,
1046         &hdmi_device,
1047         &ceu_device,
1048         &ap4evb_camera,
1049         &meram_device,
1050 };
1051
1052 static void __init hdmi_init_pm_clock(void)
1053 {
1054         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1055         int ret;
1056         long rate;
1057
1058         if (IS_ERR(hdmi_ick)) {
1059                 ret = PTR_ERR(hdmi_ick);
1060                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1061                 goto out;
1062         }
1063
1064         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1065         if (ret < 0) {
1066                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1067                 goto out;
1068         }
1069
1070         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1071
1072         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1073         if (rate < 0) {
1074                 pr_err("Cannot get suitable rate: %ld\n", rate);
1075                 ret = rate;
1076                 goto out;
1077         }
1078
1079         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1080         if (ret < 0) {
1081                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1082                 goto out;
1083         }
1084
1085         pr_debug("PLLC2 set frequency %lu\n", rate);
1086
1087         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1088         if (ret < 0)
1089                 pr_err("Cannot set HDMI parent: %d\n", ret);
1090
1091 out:
1092         if (!IS_ERR(hdmi_ick))
1093                 clk_put(hdmi_ick);
1094 }
1095
1096 static void __init fsi_init_pm_clock(void)
1097 {
1098         struct clk *fsia_ick;
1099         int ret;
1100
1101         fsia_ick = clk_get(&fsi_device.dev, "icka");
1102         if (IS_ERR(fsia_ick)) {
1103                 ret = PTR_ERR(fsia_ick);
1104                 pr_err("Cannot get FSI ICK: %d\n", ret);
1105                 return;
1106         }
1107
1108         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1109         if (ret < 0)
1110                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1111
1112         clk_put(fsia_ick);
1113 }
1114
1115 /*
1116  * FIXME !!
1117  *
1118  * gpio_no_direction
1119  * are quick_hack.
1120  *
1121  * current gpio frame work doesn't have
1122  * the method to control only pull up/down/free.
1123  * this function should be replaced by correct gpio function
1124  */
1125 static void __init gpio_no_direction(u32 addr)
1126 {
1127         __raw_writeb(0x00, addr);
1128 }
1129
1130 /* TouchScreen */
1131 #ifdef CONFIG_AP4EVB_QHD
1132 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1133 # define GPIO_TSC_PORT  GPIO_PORT123
1134 #else /* WVGA */
1135 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1136 # define GPIO_TSC_PORT  GPIO_PORT40
1137 #endif
1138
1139 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1140 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1141 static int ts_get_pendown_state(void)
1142 {
1143         int val;
1144
1145         gpio_free(GPIO_TSC_IRQ);
1146
1147         gpio_request(GPIO_TSC_PORT, NULL);
1148
1149         gpio_direction_input(GPIO_TSC_PORT);
1150
1151         val = gpio_get_value(GPIO_TSC_PORT);
1152
1153         gpio_request(GPIO_TSC_IRQ, NULL);
1154
1155         return !val;
1156 }
1157
1158 static int ts_init(void)
1159 {
1160         gpio_request(GPIO_TSC_IRQ, NULL);
1161
1162         return 0;
1163 }
1164
1165 static struct tsc2007_platform_data tsc2007_info = {
1166         .model                  = 2007,
1167         .x_plate_ohms           = 180,
1168         .get_pendown_state      = ts_get_pendown_state,
1169         .init_platform_hw       = ts_init,
1170 };
1171
1172 static struct i2c_board_info tsc_device = {
1173         I2C_BOARD_INFO("tsc2007", 0x48),
1174         .type           = "tsc2007",
1175         .platform_data  = &tsc2007_info,
1176         /*.irq is selected on ap4evb_init */
1177 };
1178
1179 /* I2C */
1180 static struct i2c_board_info i2c0_devices[] = {
1181         {
1182                 I2C_BOARD_INFO("ak4643", 0x13),
1183         },
1184 };
1185
1186 static struct i2c_board_info i2c1_devices[] = {
1187         {
1188                 I2C_BOARD_INFO("r2025sd", 0x32),
1189         },
1190 };
1191
1192 #define GPIO_PORT9CR    0xE6051009
1193 #define GPIO_PORT10CR   0xE605100A
1194 #define USCCR1          0xE6058144
1195 static void __init ap4evb_init(void)
1196 {
1197         u32 srcr4;
1198         struct clk *clk;
1199
1200         sh7372_pinmux_init();
1201
1202         /* enable SCIFA0 */
1203         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1204         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1205
1206         /* enable SMSC911X */
1207         gpio_request(GPIO_FN_CS5A,      NULL);
1208         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1209
1210         /* enable Debug switch (S6) */
1211         gpio_request(GPIO_PORT32, NULL);
1212         gpio_request(GPIO_PORT33, NULL);
1213         gpio_request(GPIO_PORT34, NULL);
1214         gpio_request(GPIO_PORT35, NULL);
1215         gpio_direction_input(GPIO_PORT32);
1216         gpio_direction_input(GPIO_PORT33);
1217         gpio_direction_input(GPIO_PORT34);
1218         gpio_direction_input(GPIO_PORT35);
1219         gpio_export(GPIO_PORT32, 0);
1220         gpio_export(GPIO_PORT33, 0);
1221         gpio_export(GPIO_PORT34, 0);
1222         gpio_export(GPIO_PORT35, 0);
1223
1224         /* SDHI0 */
1225         gpio_request(GPIO_FN_SDHICD0, NULL);
1226         gpio_request(GPIO_FN_SDHIWP0, NULL);
1227         gpio_request(GPIO_FN_SDHICMD0, NULL);
1228         gpio_request(GPIO_FN_SDHICLK0, NULL);
1229         gpio_request(GPIO_FN_SDHID0_3, NULL);
1230         gpio_request(GPIO_FN_SDHID0_2, NULL);
1231         gpio_request(GPIO_FN_SDHID0_1, NULL);
1232         gpio_request(GPIO_FN_SDHID0_0, NULL);
1233
1234         /* SDHI1 */
1235         gpio_request(GPIO_FN_SDHICMD1, NULL);
1236         gpio_request(GPIO_FN_SDHICLK1, NULL);
1237         gpio_request(GPIO_FN_SDHID1_3, NULL);
1238         gpio_request(GPIO_FN_SDHID1_2, NULL);
1239         gpio_request(GPIO_FN_SDHID1_1, NULL);
1240         gpio_request(GPIO_FN_SDHID1_0, NULL);
1241
1242         /* MMCIF */
1243         gpio_request(GPIO_FN_MMCD0_0, NULL);
1244         gpio_request(GPIO_FN_MMCD0_1, NULL);
1245         gpio_request(GPIO_FN_MMCD0_2, NULL);
1246         gpio_request(GPIO_FN_MMCD0_3, NULL);
1247         gpio_request(GPIO_FN_MMCD0_4, NULL);
1248         gpio_request(GPIO_FN_MMCD0_5, NULL);
1249         gpio_request(GPIO_FN_MMCD0_6, NULL);
1250         gpio_request(GPIO_FN_MMCD0_7, NULL);
1251         gpio_request(GPIO_FN_MMCCMD0, NULL);
1252         gpio_request(GPIO_FN_MMCCLK0, NULL);
1253
1254         /* USB enable */
1255         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1256         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1257         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1258         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1259         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1260         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1261
1262         /* setup USB phy */
1263         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1264
1265         /* enable FSI2 port A (ak4643) */
1266         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1267         gpio_request(GPIO_FN_FSIAILR,   NULL);
1268         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1269         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1270         gpio_request(GPIO_PORT161,      NULL);
1271         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1272
1273         gpio_request(GPIO_PORT9, NULL);
1274         gpio_request(GPIO_PORT10, NULL);
1275         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1276         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1277
1278         /* card detect pin for MMC slot (CN7) */
1279         gpio_request(GPIO_PORT41, NULL);
1280         gpio_direction_input(GPIO_PORT41);
1281
1282         /* setup FSI2 port B (HDMI) */
1283         gpio_request(GPIO_FN_FSIBCK, NULL);
1284         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1285
1286         /* set SPU2 clock to 119.6 MHz */
1287         clk = clk_get(NULL, "spu_clk");
1288         if (!IS_ERR(clk)) {
1289                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1290                 clk_put(clk);
1291         }
1292
1293         /*
1294          * set irq priority, to avoid sound chopping
1295          * when NFS rootfs is used
1296          *  FSI(3) > SMSC911X(2)
1297          */
1298         intc_set_priority(IRQ_FSI, 3);
1299
1300         i2c_register_board_info(0, i2c0_devices,
1301                                 ARRAY_SIZE(i2c0_devices));
1302
1303         i2c_register_board_info(1, i2c1_devices,
1304                                 ARRAY_SIZE(i2c1_devices));
1305
1306 #ifdef CONFIG_AP4EVB_QHD
1307
1308         /*
1309          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1310          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1311          */
1312
1313         /* enable KEYSC */
1314         gpio_request(GPIO_FN_KEYOUT0, NULL);
1315         gpio_request(GPIO_FN_KEYOUT1, NULL);
1316         gpio_request(GPIO_FN_KEYOUT2, NULL);
1317         gpio_request(GPIO_FN_KEYOUT3, NULL);
1318         gpio_request(GPIO_FN_KEYOUT4, NULL);
1319         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1320         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1321         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1322         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1323         gpio_request(GPIO_FN_KEYIN4,     NULL);
1324
1325         /* enable TouchScreen */
1326         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1327
1328         tsc_device.irq = IRQ28;
1329         i2c_register_board_info(1, &tsc_device, 1);
1330
1331         /* LCDC0 */
1332         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1333         lcdc_info.ch[0].interface_type          = RGB24;
1334         lcdc_info.ch[0].clock_divider           = 1;
1335         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1336         lcdc_info.ch[0].lcd_size_cfg.width      = 44;
1337         lcdc_info.ch[0].lcd_size_cfg.height     = 79;
1338
1339         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1340
1341 #else
1342         /*
1343          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1344          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1345          */
1346
1347         gpio_request(GPIO_FN_LCDD17,   NULL);
1348         gpio_request(GPIO_FN_LCDD16,   NULL);
1349         gpio_request(GPIO_FN_LCDD15,   NULL);
1350         gpio_request(GPIO_FN_LCDD14,   NULL);
1351         gpio_request(GPIO_FN_LCDD13,   NULL);
1352         gpio_request(GPIO_FN_LCDD12,   NULL);
1353         gpio_request(GPIO_FN_LCDD11,   NULL);
1354         gpio_request(GPIO_FN_LCDD10,   NULL);
1355         gpio_request(GPIO_FN_LCDD9,    NULL);
1356         gpio_request(GPIO_FN_LCDD8,    NULL);
1357         gpio_request(GPIO_FN_LCDD7,    NULL);
1358         gpio_request(GPIO_FN_LCDD6,    NULL);
1359         gpio_request(GPIO_FN_LCDD5,    NULL);
1360         gpio_request(GPIO_FN_LCDD4,    NULL);
1361         gpio_request(GPIO_FN_LCDD3,    NULL);
1362         gpio_request(GPIO_FN_LCDD2,    NULL);
1363         gpio_request(GPIO_FN_LCDD1,    NULL);
1364         gpio_request(GPIO_FN_LCDD0,    NULL);
1365         gpio_request(GPIO_FN_LCDDISP,  NULL);
1366         gpio_request(GPIO_FN_LCDDCK,   NULL);
1367
1368         gpio_request(GPIO_PORT189, NULL); /* backlight */
1369         gpio_direction_output(GPIO_PORT189, 1);
1370
1371         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1372         gpio_direction_output(GPIO_PORT151, 1);
1373
1374         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1375         lcdc_info.ch[0].interface_type          = RGB18;
1376         lcdc_info.ch[0].clock_divider           = 3;
1377         lcdc_info.ch[0].flags                   = 0;
1378         lcdc_info.ch[0].lcd_size_cfg.width      = 152;
1379         lcdc_info.ch[0].lcd_size_cfg.height     = 91;
1380
1381         /* enable TouchScreen */
1382         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1383
1384         tsc_device.irq = IRQ7;
1385         i2c_register_board_info(0, &tsc_device, 1);
1386 #endif /* CONFIG_AP4EVB_QHD */
1387
1388         /* CEU */
1389
1390         /*
1391          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1392          * becomes available
1393          */
1394
1395         /* MIPI-CSI stuff */
1396         gpio_request(GPIO_FN_VIO_CKO, NULL);
1397
1398         clk = clk_get(NULL, "vck1_clk");
1399         if (!IS_ERR(clk)) {
1400                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1401                 clk_enable(clk);
1402                 clk_put(clk);
1403         }
1404
1405         sh7372_add_standard_devices();
1406
1407         /* HDMI */
1408         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1409         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1410
1411         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1412 #define SRCR4 0xe61580bc
1413         srcr4 = __raw_readl(SRCR4);
1414         __raw_writel(srcr4 | (1 << 13), SRCR4);
1415         udelay(50);
1416         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1417
1418         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1419
1420         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1421         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1422         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1423
1424         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1425         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1426         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1427         sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1428
1429         hdmi_init_pm_clock();
1430         fsi_init_pm_clock();
1431         sh7372_pm_init();
1432         pm_clk_add(&fsi_device.dev, "spu2");
1433         pm_clk_add(&lcdc1_device.dev, "hdmi");
1434 }
1435
1436 static void __init ap4evb_timer_init(void)
1437 {
1438         sh7372_clock_init();
1439         shmobile_timer.init();
1440
1441         /* External clock source */
1442         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1443 }
1444
1445 static struct sys_timer ap4evb_timer = {
1446         .init           = ap4evb_timer_init,
1447 };
1448
1449 MACHINE_START(AP4EVB, "ap4evb")
1450         .map_io         = sh7372_map_io,
1451         .init_early     = sh7372_add_early_devices,
1452         .init_irq       = sh7372_init_irq,
1453         .handle_irq     = shmobile_handle_irq_intc,
1454         .init_machine   = ap4evb_init,
1455         .timer          = &ap4evb_timer,
1456 MACHINE_END