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 #include <sound/simple_card.h>
  54
  55 #include <video/sh_mobile_hdmi.h>
  56 #include <video/sh_mobile_lcdc.h>
  57 #include <video/sh_mipi_dsi.h>
  58
  59 #include <mach/common.h>
  60 #include <mach/irqs.h>
  61 #include <mach/sh7372.h>
  62
  63 #include <asm/mach-types.h>
  64 #include <asm/mach/arch.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   = "regs",
 261                 .start  = 0xe8000000,
 262                 .end    = 0xe807ffff,
 263                 .flags  = IORESOURCE_MEM,
 264         },
 265         [1] = {
 266                 .name   = "meram",
 267                 .start  = 0xe8080000,
 268                 .end    = 0xe81fffff,
 269                 .flags  = IORESOURCE_MEM,
 270         },
 271 };
 272
 273 static struct platform_device meram_device = {
 274         .name           = "sh_mobile_meram",
 275         .id             = 0,
 276         .num_resources  = ARRAY_SIZE(meram_resources),
 277         .resource       = meram_resources,
 278         .dev            = {
 279                 .platform_data = &meram_info,
 280         },
 281 };
 282
 283 /* SH_MMCIF */
 284 static struct resource sh_mmcif_resources[] = {
 285         [0] = {
 286                 .name   = "MMCIF",
 287                 .start  = 0xE6BD0000,
 288                 .end    = 0xE6BD00FF,
 289                 .flags  = IORESOURCE_MEM,
 290         },
 291         [1] = {
 292                 /* MMC ERR */
 293                 .start  = evt2irq(0x1ac0),
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296         [2] = {
 297                 /* MMC NOR */
 298                 .start  = evt2irq(0x1ae0),
 299                 .flags  = IORESOURCE_IRQ,
 300         },
 301 };
 302
 303 static struct sh_mmcif_plat_data sh_mmcif_plat = {
 304         .sup_pclk       = 0,
 305         .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
 306         .caps           = MMC_CAP_4_BIT_DATA |
 307                           MMC_CAP_8_BIT_DATA |
 308                           MMC_CAP_NEEDS_POLL,
 309         .get_cd         = slot_cn7_get_cd,
 310         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 311         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 312 };
 313
 314 static struct platform_device sh_mmcif_device = {
 315         .name           = "sh_mmcif",
 316         .id             = 0,
 317         .dev            = {
 318                 .dma_mask               = NULL,
 319                 .coherent_dma_mask      = 0xffffffff,
 320                 .platform_data          = &sh_mmcif_plat,
 321         },
 322         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 323         .resource       = sh_mmcif_resources,
 324 };
 325
 326 /* SDHI0 */
 327 static struct sh_mobile_sdhi_info sdhi0_info = {
 328         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 329         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 330         .tmio_caps      = MMC_CAP_SDIO_IRQ,
 331 };
 332
 333 static struct resource sdhi0_resources[] = {
 334         [0] = {
 335                 .name   = "SDHI0",
 336                 .start  = 0xe6850000,
 337                 .end    = 0xe68500ff,
 338                 .flags  = IORESOURCE_MEM,
 339         },
 340         [1] = {
 341                 .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
 342                 .flags  = IORESOURCE_IRQ,
 343         },
 344         [2] = {
 345                 .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
 346                 .flags  = IORESOURCE_IRQ,
 347         },
 348         [3] = {
 349                 .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
 350                 .flags  = IORESOURCE_IRQ,
 351         },
 352 };
 353
 354 static struct platform_device sdhi0_device = {
 355         .name           = "sh_mobile_sdhi",
 356         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 357         .resource       = sdhi0_resources,
 358         .id             = 0,
 359         .dev    = {
 360                 .platform_data  = &sdhi0_info,
 361         },
 362 };
 363
 364 /* SDHI1 */
 365 static struct sh_mobile_sdhi_info sdhi1_info = {
 366         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
 367         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
 368         .tmio_ocr_mask  = MMC_VDD_165_195,
 369         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
 370         .tmio_caps      = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
 371         .get_cd         = slot_cn7_get_cd,
 372 };
 373
 374 static struct resource sdhi1_resources[] = {
 375         [0] = {
 376                 .name   = "SDHI1",
 377                 .start  = 0xe6860000,
 378                 .end    = 0xe68600ff,
 379                 .flags  = IORESOURCE_MEM,
 380         },
 381         [1] = {
 382                 .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
 383                 .flags  = IORESOURCE_IRQ,
 384         },
 385         [2] = {
 386                 .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
 387                 .flags  = IORESOURCE_IRQ,
 388         },
 389         [3] = {
 390                 .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
 391                 .flags  = IORESOURCE_IRQ,
 392         },
 393 };
 394
 395 static struct platform_device sdhi1_device = {
 396         .name           = "sh_mobile_sdhi",
 397         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 398         .resource       = sdhi1_resources,
 399         .id             = 1,
 400         .dev    = {
 401                 .platform_data  = &sdhi1_info,
 402         },
 403 };
 404
 405 /* USB1 */
 406 static void usb1_host_port_power(int port, int power)
 407 {
 408         if (!power) /* only power-on supported for now */
 409                 return;
 410
 411         /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
 412         __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
 413 }
 414
 415 static struct r8a66597_platdata usb1_host_data = {
 416         .on_chip        = 1,
 417         .port_power     = usb1_host_port_power,
 418 };
 419
 420 static struct resource usb1_host_resources[] = {
 421         [0] = {
 422                 .name   = "USBHS",
 423                 .start  = 0xE68B0000,
 424                 .end    = 0xE68B00E6 - 1,
 425                 .flags  = IORESOURCE_MEM,
 426         },
 427         [1] = {
 428                 .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
 429                 .flags  = IORESOURCE_IRQ,
 430         },
 431 };
 432
 433 static struct platform_device usb1_host_device = {
 434         .name   = "r8a66597_hcd",
 435         .id     = 1,
 436         .dev = {
 437                 .dma_mask               = NULL,         /*  not use dma */
 438                 .coherent_dma_mask      = 0xffffffff,
 439                 .platform_data          = &usb1_host_data,
 440         },
 441         .num_resources  = ARRAY_SIZE(usb1_host_resources),
 442         .resource       = usb1_host_resources,
 443 };
 444
 445 /*
 446  * QHD display
 447  */
 448 #ifdef CONFIG_AP4EVB_QHD
 449
 450 /* KEYSC (Needs SW43 set to ON) */
 451 static struct sh_keysc_info keysc_info = {
 452         .mode           = SH_KEYSC_MODE_1,
 453         .scan_timing    = 3,
 454         .delay          = 2500,
 455         .keycodes = {
 456                 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
 457                 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
 458                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 459                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 460                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 461         },
 462 };
 463
 464 static struct resource keysc_resources[] = {
 465         [0] = {
 466                 .name   = "KEYSC",
 467                 .start  = 0xe61b0000,
 468                 .end    = 0xe61b0063,
 469                 .flags  = IORESOURCE_MEM,
 470         },
 471         [1] = {
 472                 .start  = evt2irq(0x0be0), /* KEYSC_KEY */
 473                 .flags  = IORESOURCE_IRQ,
 474         },
 475 };
 476
 477 static struct platform_device keysc_device = {
 478         .name           = "sh_keysc",
 479         .id             = 0, /* "keysc0" clock */
 480         .num_resources  = ARRAY_SIZE(keysc_resources),
 481         .resource       = keysc_resources,
 482         .dev    = {
 483                 .platform_data  = &keysc_info,
 484         },
 485 };
 486
 487 /* MIPI-DSI */
 488 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 489                                  void __iomem *base,
 490                                  int enable)
 491 {
 492         struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
 493
 494         if (IS_ERR(pck))
 495                 return PTR_ERR(pck);
 496
 497         if (enable) {
 498                 /*
 499                  * DSIPCLK      = 24MHz
 500                  * D-PHY        = DSIPCLK * ((0x6*2)+1) = 312MHz (see .phyctrl)
 501                  * HsByteCLK    = D-PHY/8 = 39MHz
 502                  *
 503                  *  X * Y * FPS =
 504                  * (544+72+600+16) * (961+8+8+2) * 30 = 36.1MHz
 505                  */
 506                 clk_set_rate(pck, clk_round_rate(pck, 24000000));
 507                 clk_enable(pck);
 508         } else {
 509                 clk_disable(pck);
 510         }
 511
 512         clk_put(pck);
 513
 514         return 0;
 515 }
 516
 517 static struct resource mipidsi0_resources[] = {
 518         [0] = {
 519                 .start  = 0xffc60000,
 520                 .end    = 0xffc63073,
 521                 .flags  = IORESOURCE_MEM,
 522         },
 523         [1] = {
 524                 .start  = 0xffc68000,
 525                 .end    = 0xffc680ef,
 526                 .flags  = IORESOURCE_MEM,
 527         },
 528 };
 529
 530 static struct sh_mobile_lcdc_info lcdc_info;
 531
 532 static struct sh_mipi_dsi_info mipidsi0_info = {
 533         .data_format    = MIPI_RGB888,
 534         .lcd_chan       = &lcdc_info.ch[0],
 535         .lane           = 2,
 536         .vsynw_offset   = 17,
 537         .phyctrl        = 0x6 << 8,
 538         .flags          = SH_MIPI_DSI_SYNC_PULSES_MODE |
 539                           SH_MIPI_DSI_HSbyteCLK,
 540         .set_dot_clock  = sh_mipi_set_dot_clock,
 541 };
 542
 543 static struct platform_device mipidsi0_device = {
 544         .name           = "sh-mipi-dsi",
 545         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 546         .resource       = mipidsi0_resources,
 547         .id             = 0,
 548         .dev    = {
 549                 .platform_data  = &mipidsi0_info,
 550         },
 551 };
 552
 553 static struct platform_device *qhd_devices[] __initdata = {
 554         &mipidsi0_device,
 555         &keysc_device,
 556 };
 557 #endif /* CONFIG_AP4EVB_QHD */
 558
 559 /* LCDC0 */
 560 static const struct fb_videomode ap4evb_lcdc_modes[] = {
 561         {
 562 #ifdef CONFIG_AP4EVB_QHD
 563                 .name           = "R63302(QHD)",
 564                 .xres           = 544,
 565                 .yres           = 961,
 566                 .left_margin    = 72,
 567                 .right_margin   = 600,
 568                 .hsync_len      = 16,
 569                 .upper_margin   = 8,
 570                 .lower_margin   = 8,
 571                 .vsync_len      = 2,
 572                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 573 #else
 574                 .name           = "WVGA Panel",
 575                 .xres           = 800,
 576                 .yres           = 480,
 577                 .left_margin    = 220,
 578                 .right_margin   = 110,
 579                 .hsync_len      = 70,
 580                 .upper_margin   = 20,
 581                 .lower_margin   = 5,
 582                 .vsync_len      = 5,
 583                 .sync           = 0,
 584 #endif
 585         },
 586 };
 587
 588 static const struct sh_mobile_meram_cfg lcd_meram_cfg = {
 589         .icb[0] = {
 590                 .meram_size     = 0x40,
 591         },
 592         .icb[1] = {
 593                 .meram_size     = 0x40,
 594         },
 595 };
 596
 597 static struct sh_mobile_lcdc_info lcdc_info = {
 598         .meram_dev = &meram_info,
 599         .ch[0] = {
 600                 .chan = LCDC_CHAN_MAINLCD,
 601                 .fourcc = V4L2_PIX_FMT_RGB565,
 602                 .lcd_modes = ap4evb_lcdc_modes,
 603                 .num_modes = ARRAY_SIZE(ap4evb_lcdc_modes),
 604                 .meram_cfg = &lcd_meram_cfg,
 605 #ifdef CONFIG_AP4EVB_QHD
 606                 .tx_dev = &mipidsi0_device,
 607 #endif
 608         }
 609 };
 610
 611 static struct resource lcdc_resources[] = {
 612         [0] = {
 613                 .name   = "LCDC",
 614                 .start  = 0xfe940000, /* P4-only space */
 615                 .end    = 0xfe943fff,
 616                 .flags  = IORESOURCE_MEM,
 617         },
 618         [1] = {
 619                 .start  = intcs_evt2irq(0x580),
 620                 .flags  = IORESOURCE_IRQ,
 621         },
 622 };
 623
 624 static struct platform_device lcdc_device = {
 625         .name           = "sh_mobile_lcdc_fb",
 626         .num_resources  = ARRAY_SIZE(lcdc_resources),
 627         .resource       = lcdc_resources,
 628         .dev    = {
 629                 .platform_data  = &lcdc_info,
 630                 .coherent_dma_mask = ~0,
 631         },
 632 };
 633
 634 /* FSI */
 635 #define IRQ_FSI         evt2irq(0x1840)
 636 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
 637 {
 638         int ret = 0;
 639
 640         if (rate <= 0)
 641                 return ret;
 642
 643         if (enable) {
 644                 ret = clk_set_rate(clk, rate);
 645                 if (0 == ret)
 646                         ret = clk_enable(clk);
 647         } else {
 648                 clk_disable(clk);
 649         }
 650
 651         return ret;
 652 }
 653
 654 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
 655 {
 656         return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
 657 }
 658
 659 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
 660 {
 661         struct clk *fsia_ick;
 662         struct clk *fsiack;
 663         int ret = -EIO;
 664
 665         fsia_ick = clk_get(dev, "icka");
 666         if (IS_ERR(fsia_ick))
 667                 return PTR_ERR(fsia_ick);
 668
 669         /*
 670          * FSIACK is connected to AK4642,
 671          * and use external clock pin from it.
 672          * it is parent of fsia_ick now.
 673          */
 674         fsiack = clk_get_parent(fsia_ick);
 675         if (!fsiack)
 676                 goto fsia_ick_out;
 677
 678         /*
 679          * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
 680          *
 681          ** FIXME **
 682          * Because the freq_table of external clk (fsiack) are all 0,
 683          * the return value of clk_round_rate became 0.
 684          * So, it use __fsi_set_rate here.
 685          */
 686         ret = __fsi_set_rate(fsiack, rate, enable);
 687         if (ret < 0)
 688                 goto fsiack_out;
 689
 690         ret = __fsi_set_round_rate(fsia_ick, rate, enable);
 691         if ((ret < 0) && enable)
 692                 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
 693
 694 fsiack_out:
 695         clk_put(fsiack);
 696
 697 fsia_ick_out:
 698         clk_put(fsia_ick);
 699
 700         return 0;
 701 }
 702
 703 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
 704 {
 705         struct clk *fsib_clk;
 706         struct clk *fdiv_clk = &sh7372_fsidivb_clk;
 707         long fsib_rate = 0;
 708         long fdiv_rate = 0;
 709         int ackmd_bpfmd;
 710         int ret;
 711
 712         switch (rate) {
 713         case 44100:
 714                 fsib_rate       = rate * 256;
 715                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 716                 break;
 717         case 48000:
 718                 fsib_rate       = 85428000; /* around 48kHz x 256 x 7 */
 719                 fdiv_rate       = rate * 256;
 720                 ackmd_bpfmd     = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
 721                 break;
 722         default:
 723                 pr_err("unsupported rate in FSI2 port B\n");
 724                 return -EINVAL;
 725         }
 726
 727         /* FSI B setting */
 728         fsib_clk = clk_get(dev, "ickb");
 729         if (IS_ERR(fsib_clk))
 730                 return -EIO;
 731
 732         ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
 733         if (ret < 0)
 734                 goto fsi_set_rate_end;
 735
 736         /* FSI DIV setting */
 737         ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
 738         if (ret < 0) {
 739                 /* disable FSI B */
 740                 if (enable)
 741                         __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
 742                 goto fsi_set_rate_end;
 743         }
 744
 745         ret = ackmd_bpfmd;
 746
 747 fsi_set_rate_end:
 748         clk_put(fsib_clk);
 749         return ret;
 750 }
 751
 752 static struct sh_fsi_platform_info fsi_info = {
 753         .port_a = {
 754                 .flags          = SH_FSI_BRS_INV,
 755                 .set_rate       = fsi_ak4642_set_rate,
 756         },
 757         .port_b = {
 758                 .flags          = SH_FSI_BRS_INV |
 759                                   SH_FSI_BRM_INV |
 760                                   SH_FSI_LRS_INV |
 761                                   SH_FSI_FMT_SPDIF,
 762                 .set_rate       = fsi_hdmi_set_rate,
 763         },
 764 };
 765
 766 static struct resource fsi_resources[] = {
 767         [0] = {
 768                 .name   = "FSI",
 769                 .start  = 0xFE3C0000,
 770                 .end    = 0xFE3C0400 - 1,
 771                 .flags  = IORESOURCE_MEM,
 772         },
 773         [1] = {
 774                 .start  = IRQ_FSI,
 775                 .flags  = IORESOURCE_IRQ,
 776         },
 777 };
 778
 779 static struct platform_device fsi_device = {
 780         .name           = "sh_fsi2",
 781         .id             = -1,
 782         .num_resources  = ARRAY_SIZE(fsi_resources),
 783         .resource       = fsi_resources,
 784         .dev    = {
 785                 .platform_data  = &fsi_info,
 786         },
 787 };
 788
 789 static struct asoc_simple_dai_init_info fsi2_ak4643_init_info = {
 790         .fmt            = SND_SOC_DAIFMT_LEFT_J,
 791         .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM,
 792         .cpu_daifmt     = SND_SOC_DAIFMT_CBS_CFS,
 793         .sysclk         = 11289600,
 794 };
 795
 796 static struct asoc_simple_card_info fsi2_ak4643_info = {
 797         .name           = "AK4643",
 798         .card           = "FSI2A-AK4643",
 799         .cpu_dai        = "fsia-dai",
 800         .codec          = "ak4642-codec.0-0013",
 801         .platform       = "sh_fsi2",
 802         .codec_dai      = "ak4642-hifi",
 803         .init           = &fsi2_ak4643_init_info,
 804 };
 805
 806 static struct platform_device fsi_ak4643_device = {
 807         .name   = "asoc-simple-card",
 808         .dev    = {
 809                 .platform_data  = &fsi2_ak4643_info,
 810         },
 811 };
 812
 813 /* LCDC1 */
 814 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 815                                 unsigned long *parent_freq);
 816
 817 static struct sh_mobile_hdmi_info hdmi_info = {
 818         .flags = HDMI_SND_SRC_SPDIF,
 819         .clk_optimize_parent = ap4evb_clk_optimize,
 820 };
 821
 822 static struct resource hdmi_resources[] = {
 823         [0] = {
 824                 .name   = "HDMI",
 825                 .start  = 0xe6be0000,
 826                 .end    = 0xe6be00ff,
 827                 .flags  = IORESOURCE_MEM,
 828         },
 829         [1] = {
 830                 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
 831                 .start  = evt2irq(0x17e0),
 832                 .flags  = IORESOURCE_IRQ,
 833         },
 834 };
 835
 836 static struct platform_device hdmi_device = {
 837         .name           = "sh-mobile-hdmi",
 838         .num_resources  = ARRAY_SIZE(hdmi_resources),
 839         .resource       = hdmi_resources,
 840         .id             = -1,
 841         .dev    = {
 842                 .platform_data  = &hdmi_info,
 843         },
 844 };
 845
 846 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 847                                 unsigned long *parent_freq)
 848 {
 849         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
 850         long error;
 851
 852         if (IS_ERR(hdmi_ick)) {
 853                 int ret = PTR_ERR(hdmi_ick);
 854                 pr_err("Cannot get HDMI ICK: %d\n", ret);
 855                 return ret;
 856         }
 857
 858         error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
 859
 860         clk_put(hdmi_ick);
 861
 862         return error;
 863 }
 864
 865 static const struct sh_mobile_meram_cfg hdmi_meram_cfg = {
 866         .icb[0] = {
 867                 .meram_size     = 0x100,
 868         },
 869         .icb[1] = {
 870                 .meram_size     = 0x100,
 871         },
 872 };
 873
 874 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
 875         .clock_source = LCDC_CLK_EXTERNAL,
 876         .meram_dev = &meram_info,
 877         .ch[0] = {
 878                 .chan = LCDC_CHAN_MAINLCD,
 879                 .fourcc = V4L2_PIX_FMT_RGB565,
 880                 .interface_type = RGB24,
 881                 .clock_divider = 1,
 882                 .flags = LCDC_FLAGS_DWPOL,
 883                 .meram_cfg = &hdmi_meram_cfg,
 884                 .tx_dev = &hdmi_device,
 885         }
 886 };
 887
 888 static struct resource lcdc1_resources[] = {
 889         [0] = {
 890                 .name   = "LCDC1",
 891                 .start  = 0xfe944000,
 892                 .end    = 0xfe947fff,
 893                 .flags  = IORESOURCE_MEM,
 894         },
 895         [1] = {
 896                 .start  = intcs_evt2irq(0x1780),
 897                 .flags  = IORESOURCE_IRQ,
 898         },
 899 };
 900
 901 static struct platform_device lcdc1_device = {
 902         .name           = "sh_mobile_lcdc_fb",
 903         .num_resources  = ARRAY_SIZE(lcdc1_resources),
 904         .resource       = lcdc1_resources,
 905         .id             = 1,
 906         .dev    = {
 907                 .platform_data  = &sh_mobile_lcdc1_info,
 908                 .coherent_dma_mask = ~0,
 909         },
 910 };
 911
 912 static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
 913         .cpu_daifmt     = SND_SOC_DAIFMT_CBM_CFM,
 914 };
 915
 916 static struct asoc_simple_card_info fsi2_hdmi_info = {
 917         .name           = "HDMI",
 918         .card           = "FSI2B-HDMI",
 919         .cpu_dai        = "fsib-dai",
 920         .codec          = "sh-mobile-hdmi",
 921         .platform       = "sh_fsi2",
 922         .codec_dai      = "sh_mobile_hdmi-hifi",
 923         .init           = &fsi2_hdmi_init_info,
 924 };
 925
 926 static struct platform_device fsi_hdmi_device = {
 927         .name   = "asoc-simple-card",
 928         .id     = 1,
 929         .dev    = {
 930                 .platform_data  = &fsi2_hdmi_info,
 931         },
 932 };
 933
 934 static struct gpio_led ap4evb_leds[] = {
 935         {
 936                 .name                   = "led4",
 937                 .gpio                   = GPIO_PORT185,
 938                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 939         },
 940         {
 941                 .name                   = "led2",
 942                 .gpio                   = GPIO_PORT186,
 943                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 944         },
 945         {
 946                 .name                   = "led3",
 947                 .gpio                   = GPIO_PORT187,
 948                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 949         },
 950         {
 951                 .name                   = "led1",
 952                 .gpio                   = GPIO_PORT188,
 953                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 954         }
 955 };
 956
 957 static struct gpio_led_platform_data ap4evb_leds_pdata = {
 958         .num_leds = ARRAY_SIZE(ap4evb_leds),
 959         .leds = ap4evb_leds,
 960 };
 961
 962 static struct platform_device leds_device = {
 963         .name = "leds-gpio",
 964         .id = 0,
 965         .dev = {
 966                 .platform_data  = &ap4evb_leds_pdata,
 967         },
 968 };
 969
 970 static struct i2c_board_info imx074_info = {
 971         I2C_BOARD_INFO("imx074", 0x1a),
 972 };
 973
 974 static struct soc_camera_link imx074_link = {
 975         .bus_id         = 0,
 976         .board_info     = &imx074_info,
 977         .i2c_adapter_id = 0,
 978         .module_name    = "imx074",
 979 };
 980
 981 static struct platform_device ap4evb_camera = {
 982         .name   = "soc-camera-pdrv",
 983         .id     = 0,
 984         .dev    = {
 985                 .platform_data = &imx074_link,
 986         },
 987 };
 988
 989 static struct sh_csi2_client_config csi2_clients[] = {
 990         {
 991                 .phy            = SH_CSI2_PHY_MAIN,
 992                 .lanes          = 0,            /* default: 2 lanes */
 993                 .channel        = 0,
 994                 .pdev           = &ap4evb_camera,
 995         },
 996 };
 997
 998 static struct sh_csi2_pdata csi2_info = {
 999         .type           = SH_CSI2C,
1000         .clients        = csi2_clients,
1001         .num_clients    = ARRAY_SIZE(csi2_clients),
1002         .flags          = SH_CSI2_ECC | SH_CSI2_CRC,
1003 };
1004
1005 static struct resource csi2_resources[] = {
1006         [0] = {
1007                 .name   = "CSI2",
1008                 .start  = 0xffc90000,
1009                 .end    = 0xffc90fff,
1010                 .flags  = IORESOURCE_MEM,
1011         },
1012         [1] = {
1013                 .start  = intcs_evt2irq(0x17a0),
1014                 .flags  = IORESOURCE_IRQ,
1015         },
1016 };
1017
1018 static struct sh_mobile_ceu_companion csi2 = {
1019         .id             = 0,
1020         .num_resources  = ARRAY_SIZE(csi2_resources),
1021         .resource       = csi2_resources,
1022         .platform_data  = &csi2_info,
1023 };
1024
1025 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
1026         .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1027         .max_width = 8188,
1028         .max_height = 8188,
1029         .csi2 = &csi2,
1030 };
1031
1032 static struct resource ceu_resources[] = {
1033         [0] = {
1034                 .name   = "CEU",
1035                 .start  = 0xfe910000,
1036                 .end    = 0xfe91009f,
1037                 .flags  = IORESOURCE_MEM,
1038         },
1039         [1] = {
1040                 .start  = intcs_evt2irq(0x880),
1041                 .flags  = IORESOURCE_IRQ,
1042         },
1043         [2] = {
1044                 /* place holder for contiguous memory */
1045         },
1046 };
1047
1048 static struct platform_device ceu_device = {
1049         .name           = "sh_mobile_ceu",
1050         .id             = 0, /* "ceu0" clock */
1051         .num_resources  = ARRAY_SIZE(ceu_resources),
1052         .resource       = ceu_resources,
1053         .dev    = {
1054                 .platform_data          = &sh_mobile_ceu_info,
1055                 .coherent_dma_mask      = 0xffffffff,
1056         },
1057 };
1058
1059 static struct platform_device *ap4evb_devices[] __initdata = {
1060         &leds_device,
1061         &nor_flash_device,
1062         &smc911x_device,
1063         &sdhi0_device,
1064         &sdhi1_device,
1065         &usb1_host_device,
1066         &fsi_device,
1067         &fsi_ak4643_device,
1068         &fsi_hdmi_device,
1069         &sh_mmcif_device,
1070         &hdmi_device,
1071         &lcdc_device,
1072         &lcdc1_device,
1073         &ceu_device,
1074         &ap4evb_camera,
1075         &meram_device,
1076 };
1077
1078 static void __init hdmi_init_pm_clock(void)
1079 {
1080         struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1081         int ret;
1082         long rate;
1083
1084         if (IS_ERR(hdmi_ick)) {
1085                 ret = PTR_ERR(hdmi_ick);
1086                 pr_err("Cannot get HDMI ICK: %d\n", ret);
1087                 goto out;
1088         }
1089
1090         ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1091         if (ret < 0) {
1092                 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1093                 goto out;
1094         }
1095
1096         pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1097
1098         rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1099         if (rate < 0) {
1100                 pr_err("Cannot get suitable rate: %ld\n", rate);
1101                 ret = rate;
1102                 goto out;
1103         }
1104
1105         ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1106         if (ret < 0) {
1107                 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1108                 goto out;
1109         }
1110
1111         pr_debug("PLLC2 set frequency %lu\n", rate);
1112
1113         ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1114         if (ret < 0)
1115                 pr_err("Cannot set HDMI parent: %d\n", ret);
1116
1117 out:
1118         if (!IS_ERR(hdmi_ick))
1119                 clk_put(hdmi_ick);
1120 }
1121
1122 static void __init fsi_init_pm_clock(void)
1123 {
1124         struct clk *fsia_ick;
1125         int ret;
1126
1127         fsia_ick = clk_get(&fsi_device.dev, "icka");
1128         if (IS_ERR(fsia_ick)) {
1129                 ret = PTR_ERR(fsia_ick);
1130                 pr_err("Cannot get FSI ICK: %d\n", ret);
1131                 return;
1132         }
1133
1134         ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1135         if (ret < 0)
1136                 pr_err("Cannot set FSI-A parent: %d\n", ret);
1137
1138         clk_put(fsia_ick);
1139 }
1140
1141 /*
1142  * FIXME !!
1143  *
1144  * gpio_no_direction
1145  * are quick_hack.
1146  *
1147  * current gpio frame work doesn't have
1148  * the method to control only pull up/down/free.
1149  * this function should be replaced by correct gpio function
1150  */
1151 static void __init gpio_no_direction(u32 addr)
1152 {
1153         __raw_writeb(0x00, addr);
1154 }
1155
1156 /* TouchScreen */
1157 #ifdef CONFIG_AP4EVB_QHD
1158 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
1159 # define GPIO_TSC_PORT  GPIO_PORT123
1160 #else /* WVGA */
1161 # define GPIO_TSC_IRQ   GPIO_FN_IRQ7_40
1162 # define GPIO_TSC_PORT  GPIO_PORT40
1163 #endif
1164
1165 #define IRQ28   evt2irq(0x3380) /* IRQ28A */
1166 #define IRQ7    evt2irq(0x02e0) /* IRQ7A */
1167 static int ts_get_pendown_state(void)
1168 {
1169         int val;
1170
1171         gpio_free(GPIO_TSC_IRQ);
1172
1173         gpio_request(GPIO_TSC_PORT, NULL);
1174
1175         gpio_direction_input(GPIO_TSC_PORT);
1176
1177         val = gpio_get_value(GPIO_TSC_PORT);
1178
1179         gpio_request(GPIO_TSC_IRQ, NULL);
1180
1181         return !val;
1182 }
1183
1184 static int ts_init(void)
1185 {
1186         gpio_request(GPIO_TSC_IRQ, NULL);
1187
1188         return 0;
1189 }
1190
1191 static struct tsc2007_platform_data tsc2007_info = {
1192         .model                  = 2007,
1193         .x_plate_ohms           = 180,
1194         .get_pendown_state      = ts_get_pendown_state,
1195         .init_platform_hw       = ts_init,
1196 };
1197
1198 static struct i2c_board_info tsc_device = {
1199         I2C_BOARD_INFO("tsc2007", 0x48),
1200         .type           = "tsc2007",
1201         .platform_data  = &tsc2007_info,
1202         /*.irq is selected on ap4evb_init */
1203 };
1204
1205 /* I2C */
1206 static struct i2c_board_info i2c0_devices[] = {
1207         {
1208                 I2C_BOARD_INFO("ak4643", 0x13),
1209         },
1210 };
1211
1212 static struct i2c_board_info i2c1_devices[] = {
1213         {
1214                 I2C_BOARD_INFO("r2025sd", 0x32),
1215         },
1216 };
1217
1218
1219 #define GPIO_PORT9CR    0xE6051009
1220 #define GPIO_PORT10CR   0xE605100A
1221 #define USCCR1          0xE6058144
1222 static void __init ap4evb_init(void)
1223 {
1224         u32 srcr4;
1225         struct clk *clk;
1226
1227         /* External clock source */
1228         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1229
1230         sh7372_pinmux_init();
1231
1232         /* enable SCIFA0 */
1233         gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1234         gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1235
1236         /* enable SMSC911X */
1237         gpio_request(GPIO_FN_CS5A,      NULL);
1238         gpio_request(GPIO_FN_IRQ6_39,   NULL);
1239
1240         /* enable Debug switch (S6) */
1241         gpio_request(GPIO_PORT32, NULL);
1242         gpio_request(GPIO_PORT33, NULL);
1243         gpio_request(GPIO_PORT34, NULL);
1244         gpio_request(GPIO_PORT35, NULL);
1245         gpio_direction_input(GPIO_PORT32);
1246         gpio_direction_input(GPIO_PORT33);
1247         gpio_direction_input(GPIO_PORT34);
1248         gpio_direction_input(GPIO_PORT35);
1249         gpio_export(GPIO_PORT32, 0);
1250         gpio_export(GPIO_PORT33, 0);
1251         gpio_export(GPIO_PORT34, 0);
1252         gpio_export(GPIO_PORT35, 0);
1253
1254         /* SDHI0 */
1255         gpio_request(GPIO_FN_SDHICD0, NULL);
1256         gpio_request(GPIO_FN_SDHIWP0, NULL);
1257         gpio_request(GPIO_FN_SDHICMD0, NULL);
1258         gpio_request(GPIO_FN_SDHICLK0, NULL);
1259         gpio_request(GPIO_FN_SDHID0_3, NULL);
1260         gpio_request(GPIO_FN_SDHID0_2, NULL);
1261         gpio_request(GPIO_FN_SDHID0_1, NULL);
1262         gpio_request(GPIO_FN_SDHID0_0, NULL);
1263
1264         /* SDHI1 */
1265         gpio_request(GPIO_FN_SDHICMD1, NULL);
1266         gpio_request(GPIO_FN_SDHICLK1, NULL);
1267         gpio_request(GPIO_FN_SDHID1_3, NULL);
1268         gpio_request(GPIO_FN_SDHID1_2, NULL);
1269         gpio_request(GPIO_FN_SDHID1_1, NULL);
1270         gpio_request(GPIO_FN_SDHID1_0, NULL);
1271
1272         /* MMCIF */
1273         gpio_request(GPIO_FN_MMCD0_0, NULL);
1274         gpio_request(GPIO_FN_MMCD0_1, NULL);
1275         gpio_request(GPIO_FN_MMCD0_2, NULL);
1276         gpio_request(GPIO_FN_MMCD0_3, NULL);
1277         gpio_request(GPIO_FN_MMCD0_4, NULL);
1278         gpio_request(GPIO_FN_MMCD0_5, NULL);
1279         gpio_request(GPIO_FN_MMCD0_6, NULL);
1280         gpio_request(GPIO_FN_MMCD0_7, NULL);
1281         gpio_request(GPIO_FN_MMCCMD0, NULL);
1282         gpio_request(GPIO_FN_MMCCLK0, NULL);
1283
1284         /* USB enable */
1285         gpio_request(GPIO_FN_VBUS0_1,    NULL);
1286         gpio_request(GPIO_FN_IDIN_1_18,  NULL);
1287         gpio_request(GPIO_FN_PWEN_1_115, NULL);
1288         gpio_request(GPIO_FN_OVCN_1_114, NULL);
1289         gpio_request(GPIO_FN_EXTLP_1,    NULL);
1290         gpio_request(GPIO_FN_OVCN2_1,    NULL);
1291
1292         /* setup USB phy */
1293         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR4 */
1294
1295         /* enable FSI2 port A (ak4643) */
1296         gpio_request(GPIO_FN_FSIAIBT,   NULL);
1297         gpio_request(GPIO_FN_FSIAILR,   NULL);
1298         gpio_request(GPIO_FN_FSIAISLD,  NULL);
1299         gpio_request(GPIO_FN_FSIAOSLD,  NULL);
1300         gpio_request(GPIO_PORT161,      NULL);
1301         gpio_direction_output(GPIO_PORT161, 0); /* slave */
1302
1303         gpio_request(GPIO_PORT9, NULL);
1304         gpio_request(GPIO_PORT10, NULL);
1305         gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
1306         gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1307
1308         /* card detect pin for MMC slot (CN7) */
1309         gpio_request(GPIO_PORT41, NULL);
1310         gpio_direction_input(GPIO_PORT41);
1311
1312         /* setup FSI2 port B (HDMI) */
1313         gpio_request(GPIO_FN_FSIBCK, NULL);
1314         __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1315
1316         /* set SPU2 clock to 119.6 MHz */
1317         clk = clk_get(NULL, "spu_clk");
1318         if (!IS_ERR(clk)) {
1319                 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1320                 clk_put(clk);
1321         }
1322
1323         /*
1324          * set irq priority, to avoid sound chopping
1325          * when NFS rootfs is used
1326          *  FSI(3) > SMSC911X(2)
1327          */
1328         intc_set_priority(IRQ_FSI, 3);
1329
1330         i2c_register_board_info(0, i2c0_devices,
1331                                 ARRAY_SIZE(i2c0_devices));
1332
1333         i2c_register_board_info(1, i2c1_devices,
1334                                 ARRAY_SIZE(i2c1_devices));
1335
1336 #ifdef CONFIG_AP4EVB_QHD
1337
1338         /*
1339          * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1340          * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1341          */
1342
1343         /* enable KEYSC */
1344         gpio_request(GPIO_FN_KEYOUT0, NULL);
1345         gpio_request(GPIO_FN_KEYOUT1, NULL);
1346         gpio_request(GPIO_FN_KEYOUT2, NULL);
1347         gpio_request(GPIO_FN_KEYOUT3, NULL);
1348         gpio_request(GPIO_FN_KEYOUT4, NULL);
1349         gpio_request(GPIO_FN_KEYIN0_136, NULL);
1350         gpio_request(GPIO_FN_KEYIN1_135, NULL);
1351         gpio_request(GPIO_FN_KEYIN2_134, NULL);
1352         gpio_request(GPIO_FN_KEYIN3_133, NULL);
1353         gpio_request(GPIO_FN_KEYIN4,     NULL);
1354
1355         /* enable TouchScreen */
1356         irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1357
1358         tsc_device.irq = IRQ28;
1359         i2c_register_board_info(1, &tsc_device, 1);
1360
1361         /* LCDC0 */
1362         lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
1363         lcdc_info.ch[0].interface_type          = RGB24;
1364         lcdc_info.ch[0].clock_divider           = 1;
1365         lcdc_info.ch[0].flags                   = LCDC_FLAGS_DWPOL;
1366         lcdc_info.ch[0].panel_cfg.width         = 44;
1367         lcdc_info.ch[0].panel_cfg.height        = 79;
1368
1369         platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1370
1371 #else
1372         /*
1373          * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1374          * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1375          */
1376
1377         gpio_request(GPIO_FN_LCDD17,   NULL);
1378         gpio_request(GPIO_FN_LCDD16,   NULL);
1379         gpio_request(GPIO_FN_LCDD15,   NULL);
1380         gpio_request(GPIO_FN_LCDD14,   NULL);
1381         gpio_request(GPIO_FN_LCDD13,   NULL);
1382         gpio_request(GPIO_FN_LCDD12,   NULL);
1383         gpio_request(GPIO_FN_LCDD11,   NULL);
1384         gpio_request(GPIO_FN_LCDD10,   NULL);
1385         gpio_request(GPIO_FN_LCDD9,    NULL);
1386         gpio_request(GPIO_FN_LCDD8,    NULL);
1387         gpio_request(GPIO_FN_LCDD7,    NULL);
1388         gpio_request(GPIO_FN_LCDD6,    NULL);
1389         gpio_request(GPIO_FN_LCDD5,    NULL);
1390         gpio_request(GPIO_FN_LCDD4,    NULL);
1391         gpio_request(GPIO_FN_LCDD3,    NULL);
1392         gpio_request(GPIO_FN_LCDD2,    NULL);
1393         gpio_request(GPIO_FN_LCDD1,    NULL);
1394         gpio_request(GPIO_FN_LCDD0,    NULL);
1395         gpio_request(GPIO_FN_LCDDISP,  NULL);
1396         gpio_request(GPIO_FN_LCDDCK,   NULL);
1397
1398         gpio_request(GPIO_PORT189, NULL); /* backlight */
1399         gpio_direction_output(GPIO_PORT189, 1);
1400
1401         gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1402         gpio_direction_output(GPIO_PORT151, 1);
1403
1404         lcdc_info.clock_source                  = LCDC_CLK_BUS;
1405         lcdc_info.ch[0].interface_type          = RGB18;
1406         lcdc_info.ch[0].clock_divider           = 3;
1407         lcdc_info.ch[0].flags                   = 0;
1408         lcdc_info.ch[0].panel_cfg.width         = 152;
1409         lcdc_info.ch[0].panel_cfg.height        = 91;
1410
1411         /* enable TouchScreen */
1412         irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1413
1414         tsc_device.irq = IRQ7;
1415         i2c_register_board_info(0, &tsc_device, 1);
1416 #endif /* CONFIG_AP4EVB_QHD */
1417
1418         /* CEU */
1419
1420         /*
1421          * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1422          * becomes available
1423          */
1424
1425         /* MIPI-CSI stuff */
1426         gpio_request(GPIO_FN_VIO_CKO, NULL);
1427
1428         clk = clk_get(NULL, "vck1_clk");
1429         if (!IS_ERR(clk)) {
1430                 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1431                 clk_enable(clk);
1432                 clk_put(clk);
1433         }
1434
1435         sh7372_add_standard_devices();
1436
1437         /* HDMI */
1438         gpio_request(GPIO_FN_HDMI_HPD, NULL);
1439         gpio_request(GPIO_FN_HDMI_CEC, NULL);
1440
1441         /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1442 #define SRCR4 0xe61580bc
1443         srcr4 = __raw_readl(SRCR4);
1444         __raw_writel(srcr4 | (1 << 13), SRCR4);
1445         udelay(50);
1446         __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1447
1448         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1449
1450         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1451         sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1452         sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1453
1454         sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1455         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1456         sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1457         sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1458
1459         hdmi_init_pm_clock();
1460         fsi_init_pm_clock();
1461         sh7372_pm_init();
1462         pm_clk_add(&fsi_device.dev, "spu2");
1463         pm_clk_add(&lcdc1_device.dev, "hdmi");
1464 }
1465
1466 MACHINE_START(AP4EVB, "ap4evb")
1467         .map_io         = sh7372_map_io,
1468         .init_early     = sh7372_add_early_devices,
1469         .init_irq       = sh7372_init_irq,
1470         .handle_irq     = shmobile_handle_irq_intc,
1471         .init_machine   = ap4evb_init,
1472         .timer          = &shmobile_timer,
1473 MACHINE_END